voiddb: only supported on linux

Not clear why this fixed it

CHANGELOG.md

@@ -1,5 +1,25 @@
 # Changelog
 
+2026-01-04 v2.1.0
+
+- SQLite: Support SSH tunnel
+- SQLite: Strict type handling, support nullable columns, always rely on `rowid` as PK
+- SQLite: Remove hardcoded LIMIT
+- SQLite: Hide internal sqlite_sequence and sqlite_stat1 tables
+- BuntDB: Initial support, including editing
+- VoidDB: Initial support, including editing and multiple keyspace management
+- Pogreb: Initial support, including compaction
+- Fix an issue with SQL queries running twice
+- Fix an issue with not showing multiple connection errors from the connection manager dialog
+- Truncate large binary column display in grid
+- UI: Add icons for SSH/Password connection options, for Bolt/Zip conversion tool
+- UI: Show 'null' as grey in tables
+- UI: Clickable links to Go.mod dependencies in 'Driver versions' data table
+- UI: When connecting to a new DB, always start on the Properties tab
+- UI: Allow toggling separate toolbar sections in context menu
+- UI: Disable Query tab for non-queryable database types
+- UI: Fix extra labels appearing when editing large binary columns
+
 2025-12-20 v2.0.0
 
 - Merge yvbolt and QBolt together

Makefile

@@ -9,6 +9,7 @@ GO_WINRES ?= ~/go/bin/go-winres
 
 .PHONY: generate
 generate:
+	/bin/bash -c '( echo "<RCC>" ; echo "  <qresource prefix=\"/\">" ; for f in assets/* ; do echo "    <file>$$f</file>" ; done ; echo "  </qresource>" ; echo "</RCC>" ) > embed.qrc'
 	$(MIQT_UIC) -InFile mainwindow.ui -OutFile mainwindow.go -Qt6
 	$(MIQT_UIC) -InFile connectionDialog.ui -OutFile connectionDialog.go -Qt6
 	$(MIQT_UIC) -InFile connectionManagerDialog.ui -OutFile connectionManagerDialog.go -Qt6
@@ -65,3 +66,7 @@ clean:
 .PHONY: test-mongo
 test-mongo:
 	sudo docker run --rm  -p 127.0.0.1:27017:27017 -e MONGO_INITDB_ROOT_USERNAME=root -e MONGO_INITDB_ROOT_PASSWORD=toor mongo:latest
+
+.PHONY: test-redis
+test-redis:
+	sudo docker run --rm  -p 127.0.0.1:6379:6379 redis:latest

README.md

@@ -18,12 +18,13 @@ A graphical interface for multiple databases.
 
 ## Supported databases
 
-There are currently 15 supported databases:
+There are currently 18 supported databases:
 
 Database     |Read  |Editing  |Query |Connection options  |Context menu actions
 -------------|------|---------|------|--------------------|--------
 Badger v4    |Yes   |Yes      |No    |Encrypted, readonly, in-memory |Backup, restore, compact
 Bitcask      |Yes   |Yes      |No    |Readonly, autorecovery |Backup
+BuntDB       |Yes   |Yes      |No    |In-memory           |Shrink
 Bolt         |Yes   |Yes      |No    |Readonly            |Create/delete child buckets, import/export as zip
 Debconf      |Yes   |No       |No    |                    |
 Freedesktop.org Secret Service |Yes |No | No |            |Unlock, create new collection
@@ -32,11 +33,13 @@ LMDB         |Yes   |Yes      |No    |Multi-DB, readonly  |Create/delete child d
 LotusDB      |Yes   |Yes      |No    |                    |
 MongoDB      |Yes   |No       |Yes   |SSH tunnel          |Create/delete child databases and collections
 Pebble       |Yes   |Yes      |No    |Readonly, in-memory |
+Pogreb       |Yes   |Yes      |No    |                    |Compact
 Redis        |Yes   |No       |Yes   |SSH tunnel, RESP v3 |
 RoseDB       |Yes   |Yes      |No    |                    |
-SQLite       |Yes   |Yes      |Yes   |CLI driver, in-memory |Vacuum, export
+SQLite       |Yes   |Yes      |Yes   |**SSH tunnel**, CLI driver, in-memory |Vacuum, export
 SSH Agent    |Yes   |No       |No    |Unix/TCP            |Lock, unlock
 Starskey     |Yes   |Yes      |No    |Compression         |
+VoidDB       |Yes   |Yes      |No    |Multi-keyspace      |Create/delete child keyspaces
 
 ## License
 

TODO

@@ -1,19 +1,18 @@
-- BUG: Connecting to multiple DBs from connection manager: if one has an error, the error popup from the others is lost
-- BUG: ExecQuery being called multiple times on error?
 - Drag and drop database into UI (QBolt parity)
-- Merge with QBolt
 - Portable mode (portable.txt or portable/ dir)
 - Syntax highlighting in editor
 - Autorefresh
 - Sshagent
 	- want to trigger an async refresh from inside the LDB after lock/unlock
 	- support adding/removing keys (will need per-row actions)
+- SSH: knownhost parser is stricter than openssh, does not support hostname if there is known a knownhost for the IP address
 - Bolt: import/export should support passworded zips
 - Table: BSON view can't see data
 - Table: quick filter
 	- QSortFilterProxyModel
 - Cancellation
 - Loading animations for connection + queries
+- Delay rendering properties/data tab until tab is focused
 - Mutation
 	- Debconf: Support insert/update/delete
 	- Redis: Support insert/update/delete
@@ -26,6 +25,8 @@
 		- CLI using psql
 	- Lungo: Mini embeddable Mongo - https://github.com/256dpi/lungo 
 	- MSSQL (recursive navigation for instances)
+	- NutsDB https://github.com/nutsdb/nutsdb
+	- Sniper https://github.com/recoilme/sniper
 	- Other K/V stores from https://github.com/smallnest/kvbench 
 	- Windows registry
 		- Allow entering path for quick navigation
@@ -36,7 +37,6 @@
 	- Chai (built on Pebble) - https://github.com/chaisql/chai
 	- CloverDB (built on Bolt/Badger) - https://github.com/ostafen/clover
 	- APCu - need some sort of hook into the storage engine
-	- VoidDB - https://github.com/voidDB/voidDB
 	- UnisonDB - https://github.com/ankur-anand/unisondb
 	- Etcd
 		- v2: hierarchal
@@ -57,7 +57,6 @@
 	- Not-quite-DBs
 		- IRC client
 		- Docker daemon (images, containers, ...)
-		- ssh-agent
 		- ssh known-hosts
 			- golang.org/x/crypto/ssh/knownhosts - already using this package
 	- Generic ODBC, database/sql, ...
@@ -67,6 +66,8 @@
 				- https://github.com/TerraTech/go-tokyocabinet needs pkg-config tokyocabinet
 				- https://github.com/estraier/tkrzw-go needs pkg-config tkrzw
 			- cdb (DJB's Constant Database)
+			- RocksDB
+				- https://github.com/tecbot/gorocksdb Go bindings, need pkg-config rocksdb
 		- Rust
 			- Stoolap https://github.com/stoolap/stoolap
 			- Rust, needs C binding layer https://github.com/mozilla/cbindgen
@@ -75,8 +76,11 @@
 - SQLite CLI driver:
 	- Context support
 	- Write support
-	- Attach to SSH tunnel
+	- Type handling for columns
+		- Binary data is losing its \uXXXX escaping and appearing as string
+		- Unix timestamps are appearing with scientific notation
 	- Configure binary path
+	- Error handling: if an error occurs, listing db tables has problems/shows separators
 	- https://ricardoanderegg.com/posts/sqlite-remote-explorer-gui/
 	- https://github.com/litements/litexplore
 - Badger:
@@ -85,17 +89,29 @@
 - SQLite:
 	- drop table doesn't autorefresh nav since callback is late
 	- more accurate type handling
-		- binary data currently shows as "<<binary>>", edits wrongly
+	- generated columns, hidden columns
+		- switch to table_xinfo
+		- https://sqlite.org/gencol.html - probably want to show
+		- https://sqlite.org/vtab.html#hiddencol hidden columns - probably want to leave hidden (option to show??)
 	- views
-	- other special objects (triggers? udf functions?)
-	- remove current hardcoded LIMIT 1000
-	- attach additional db to same connection
+	- set cell null
+	- other special objects
+		- triggers? udf functions?
+		- virtual tables, shadow tables
+	- toggle showing system tables
+		- e.g. sqlite_schema a.k.a. sqlite_master not present in default list; sqlite_sequence, is present
+		- both show in pragma_table_list()
+	- integrity checks / quick_check
+	- attach additional db to same connection ("schemas")
+	- ~~autoincrement: if column is autoincrement and left blank on insert, do not populate in INSERT statement~~ works with implicitly null columns
 - LMDB: dupsort mode (duplicate keys / entries-per-key)
 - MongoDB
 	- UI for replica sets, ssl certs, cluster, custom auth database
 	- SSH tunnel: error `ssh: tcpChan: deadline not supported` - needs workaround
 	- Backup/restore
 	- drop db/collection doesn't autorefresh nav since server is asynchronous
+- VoidDB:
+	- drop multidb doesn't autorefresh nav
 - SSH tunnel
 	- option to use external/system SSH
 	- SSH over Cockpit
@@ -110,3 +126,4 @@
 - Export all data from grid
 - Export all data from all buckets within a DB
 - Reconnect
+- Connection manager: clone entry

config.go

@@ -22,6 +22,7 @@ type ConnectionConfig struct {
 	Badger        *badgerConnection        `ylabel:"BadgerDB v4" yicon:":/assets/vendor_dgraph.png" json:",omitempty"`
 	Bitcask       *bitcaskDBConnection     `yicon:":/assets/vendor_riak.png" json:",omitempty"`
 	Bolt          *boltConfig              `yicon:":/assets/vendor_github.png" json:",omitempty"`
+	BuntDB        *buntDBConnection        `ylabel:"BuntDB" yicon:":/assets/vendor_buntdb.png" json:",omitempty"`
 	Debconf       *debconfConnection       `yicon:":/assets/vendor_debian.png" json:",omitempty"`
 	SecretService *secretServiceConnection `ylabel:"Freedesktop.org Secret Service" yicon:":/assets/vendor_freedesktop.png" json:",omitempty"`
 	LevelDB       *leveldbConnection       `ylabel:"LevelDB" yicon:":/assets/vendor_leveldb.png" json:",omitempty"`
@@ -29,11 +30,13 @@ type ConnectionConfig struct {
 	LotusDB       *lotusDBConnection       `ylabel:"LotusDB" yicon:":/assets/vendor_lotus.png" json:",omitempty"`
 	MongoDB       *mongoConnection         `ylabel:"MongoDB" yicon:":/assets/vendor_mongodb.png" json:",omitempty"`
 	Pebble        *pebbleConnection        `yicon:":/assets/vendor_cockroach.png" json:",omitempty"`
+	Pogreb        *pogrebConn              `yicon:":/assets/vendor_pogreb.png" json:",omitempty"`
 	Redis         *redisConnectionOptions  `yicon:":/assets/vendor_redis.png" json:",omitempty"`
 	RoseDB        *roseDBConn              `ylabel:"RoseDB" yicon:":/assets/vendor_rosedb.png" json:",omitempty"`
 	SQLite        *sqliteConnection        `ylabel:"SQLite" yicon:":/assets/vendor_sqlite.png" json:",omitempty"`
 	SSHAgent      *sshAgentConn            `yicon:":/assets/vendor_ssh.png" json:",omitempty"`
 	Starskey      *starskeyConnection      `yicon:":/assets/vendor_starskey.png" json:",omitempty"`
+	VoidDB        *voidDBConn              `ylabel:"VoidDB" yicon:":/assets/vendor_voiddb.png" json:",omitempty"`
 }
 
 func NewConnectionConfig() *ConnectionConfig {
@@ -278,7 +281,8 @@ func (f *App) OnMnuConnectionManagerClick() {
 		itms := dlg.treeWidget.SelectedItems()
 		var ok bool = true
 		for _, itm := range itms {
-			ok = ok && connectToItem(itm) // connect to selected
+			itmConnectOK := connectToItem(itm) // connect to selected
+			ok = ok && itmConnectOK
 		}
 
 		if ok {

db_badger.go

@@ -31,7 +31,7 @@ func (ld *badgerLoadedDatabase) RenderForNav(f *tableState, bucketPath []string)
 	// Load data
 	// Badger always uses Key + Value as the columns
 
-	f.SetupColumns([]columnType{columnType_popupData, columnType_popupData}, []string{"Key", "Value"})
+	f.SetupColumns([]TableColumn{&binColumn{}, &binColumn{}}, []string{"Key", "Value"})
 
 	err := ld.db.View(func(txn *badger.Txn) error {
 
@@ -143,8 +143,8 @@ type badgerConnection struct {
 		Directory  autoconfig.ExistingDirectory
 		Readonly   bool
 		Encryption *encryptionKey
-	}
-	Memory *struct{}
+	} `json:",omitempty"`
+	Memory *struct{} `json:",omitempty"`
 }
 
 type encryptionKey struct {

db_bitcask.go

@@ -30,7 +30,7 @@ func (ld *bitcaskLdb) Properties(bucketPath []string) (string, error) {
 func (ld *bitcaskLdb) RenderForNav(f *tableState, bucketPath []string) error {
 
 	// Load data
-	f.SetupColumns([]columnType{columnType_popupData, columnType_popupData}, []string{"Key", "Value"})
+	f.SetupColumns([]TableColumn{&binColumn{}, &binColumn{}}, []string{"Key", "Value"})
 
 	cur := ld.db.Iterator()
 	defer cur.Close()

db_bolt.go

@@ -75,7 +75,7 @@ func (ld *boltLoadedDatabase) RenderForNav(f *tableState, bucketPath []string) e
 	// Load data
 	// Bolt always uses Key + Value as the columns
 
-	f.SetupColumns([]columnType{columnType_popupData, columnType_popupData}, []string{"Key", "Value"})
+	f.SetupColumns([]TableColumn{&binColumn{}, &binColumn{}}, []string{"Key", "Value"})
 
 	err := ld.db.View(func(tx *bbolt.Tx) error {
 		b := boltTargetBucket(tx, bucketPath)

db_bunt.go

@@ -0,0 +1,118 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"path/filepath"
+	"strings"
+
+	"github.com/mappu/autoconfig"
+	qt "github.com/mappu/miqt/qt6"
+	"github.com/tidwall/buntdb"
+)
+
+type buntLdb struct {
+	db *buntdb.DB
+}
+
+func (ld *buntLdb) DriverName() string {
+	return "BuntDB"
+}
+
+func (ld *buntLdb) Properties(bucketPath []string) (string, error) {
+	idxInfo, err := ld.db.Indexes()
+	if err != nil {
+		return "", err
+	}
+
+	return fmt.Sprintf("Indexes (%d):\n%s", len(idxInfo), "-"+strings.Join(idxInfo, "\n- ")+"\n"), nil
+}
+
+func (ld *buntLdb) RenderForNav(f *tableState, bucketPath []string) error {
+
+	// Load data
+	// Interestingly, BuntDB internally uses string data, not []byte data
+	// That would stop us from using kvstore_ApplyChanges that only works with
+	// []byte data, so, fake []byte casts ourselves
+	f.SetupColumns([]TableColumn{&binColumn{}, &binColumn{}}, []string{"Key", "Value"})
+
+	err := ld.db.View(func(tx *buntdb.Tx) error {
+		return tx.Ascend("", func(k, v string) bool {
+			f.AddRow_PK_Data([]byte(k), []byte(k), []byte(v))
+			return true
+		})
+	})
+	if err != nil {
+		return err
+	}
+
+	// Valid
+	f.Ready()
+	return nil
+}
+
+func (n *buntLdb) ApplyChanges(f *tableState, bucketPath []string) error {
+
+	return n.db.Update(func(tx *buntdb.Tx) error {
+		return kvstore_ApplyChanges(
+			f,
+			func(k, v []byte) error {
+				_, _, err := tx.Set(string(k), string(v), nil)
+				return err
+			},
+			func(k []byte) error {
+				_, err := tx.Delete(string(k))
+				return err
+			},
+		)
+	})
+}
+
+func (ld *buntLdb) doShrink(sender *qt.QTreeWidgetItem, bucketPath []string) error {
+	return ld.db.Shrink()
+}
+
+func (ld *buntLdb) NavChildren(bucketPath []string) ([]string, error) {
+	return []string{}, nil // No children
+}
+
+func (ld *buntLdb) NavContext(bucketPath []string) ([]contextAction, error) {
+	return []contextAction{
+		{"Shrink", ld.doShrink},
+	}, nil
+}
+
+func (ld *buntLdb) Close() {
+	_ = ld.db.Close()
+}
+
+var _ loadedDatabase = &buntLdb{}         // interface assertion
+var _ editableLoadedDatabase = &buntLdb{} // interface assertion
+
+//
+
+type buntDBConnection struct {
+	Type autoconfig.OneOf
+
+	Disk *struct {
+		File autoconfig.ExistingFile
+	} `json:",omitempty"`
+	Memory *struct{} `json:",omitempty"`
+}
+
+func (ldc *buntDBConnection) Connect(ctx context.Context) (loadedDatabase, string, error) {
+
+	var path string
+	if ldc.Disk != nil {
+		path = string(ldc.Disk.File)
+	} else {
+		path = `:memory:` // Special string known by driver
+	}
+
+	db, err := buntdb.Open(path)
+	if err != nil {
+		return nil, "", err
+	}
+
+	return &buntLdb{db: db}, filepath.Base(path), nil
+}

db_debconf.go

@@ -44,7 +44,11 @@ func (ld *debconfLoadedDatabase) RenderForNav(f *tableState, bucketPath []string
 
 	indexes := make(map[string]int)
 
-	f.SetupColumns(slice_repeat(columnType_inlineText, len(ld.db.AllColumnNames)), ld.db.AllColumnNames)
+	cols := make([]TableColumn, 0, len(ld.db.AllColumnNames))
+	for i := 0; i < len(ld.db.AllColumnNames); i++ {
+		cols = append(cols, &stringColumn{})
+	}
+	f.SetupColumns(cols, ld.db.AllColumnNames)
 
 	for i, cname := range ld.db.AllColumnNames {
 		indexes[cname] = i

db_embeddedversions.go

@@ -24,7 +24,7 @@ func (ld *evLdb) Properties(bucketPath []string) (string, error) {
 
 func (ld *evLdb) RenderForNav(f *tableState, bucketPath []string) error {
 
-	f.SetupColumns([]columnType{columnType_inlineText, columnType_inlineText, columnType_inlineText}, []string{"Library", "Version", "Hash"})
+	f.SetupColumns([]TableColumn{&goModuleColumn{}, &stringColumn{}, &stringColumn{}}, []string{"Library", "Version", "Hash"})
 
 	for _, dep := range ld.mods.Deps {
 		f.AddRowData(dep.Path, dep.Version, dep.Sum)

db_leveldb.go

@@ -34,7 +34,7 @@ func (ld *leveldbLoadedDatabase) RenderForNav(f *tableState, bucketPath []string
 
 	// Load data
 	// leveldb always uses Key + Value as the columns
-	f.SetupColumns([]columnType{columnType_popupData, columnType_popupData}, []string{"Key", "Value"})
+	f.SetupColumns([]TableColumn{&binColumn{}, &binColumn{}}, []string{"Key", "Value"})
 
 	itn := ld.db.NewIterator(nil, nil)
 	defer itn.Release()

db_lmdb.go

@@ -41,7 +41,7 @@ func (ld *lmdbDatabase) RenderForNav(f *tableState, bucketPath []string) error {
 
 	// LMDB always uses Key + Value as the columns
 
-	f.SetupColumns([]columnType{columnType_popupData, columnType_popupData}, []string{"Key", "Value"})
+	f.SetupColumns([]TableColumn{&binColumn{}, &binColumn{}}, []string{"Key", "Value"})
 
 	err := ld.db.View(func(txn *lmdb.Txn) error {
 		var dbi lmdb.DBI
@@ -238,10 +238,10 @@ var _ editableLoadedDatabase = &lmdbDatabase{} // interface assertion
 type lmdbConnection struct {
 	Storage struct {
 		Type      autoconfig.OneOf
-		Directory *autoconfig.ExistingDirectory
+		Directory *autoconfig.ExistingDirectory `json:",omitempty"`
 		File      *struct {
 			Path autoconfig.ExistingFile `yfilter:"LMDB database (*.mdb);;All files (*)"`
-		}
+		} `json:",omitempty"`
 	}
 	MultiDB *struct {
 		Slots int

db_lotusdb.go

@@ -24,7 +24,7 @@ func (ld *lotusLdb) Properties(bucketPath []string) (string, error) {
 func (ld *lotusLdb) RenderForNav(f *tableState, bucketPath []string) error {
 
 	// Load data
-	f.SetupColumns([]columnType{columnType_popupData, columnType_popupData}, []string{"Key", "Value"})
+	f.SetupColumns([]TableColumn{&binColumn{}, &binColumn{}}, []string{"Key", "Value"})
 
 	cur, err := ld.db.NewIterator(lotusdb.IteratorOptions{})
 	if err != nil {

db_mongo.go

@@ -82,7 +82,7 @@ func (ld *mongoLdb) RenderForNav(f *tableState, bucketPath []string) error {
 
 	} else if len(bucketPath) == 2 {
 
-		f.SetupColumns([]columnType{columnType_inlineText, columnType_bsonDoc}, []string{"_id", "Document"})
+		f.SetupColumns([]TableColumn{&stringColumn{}, &bsonColumn{}}, []string{"_id", "Document"})
 
 		db := ld.client.Database(bucketPath[0])
 		coll := db.Collection(bucketPath[1])
@@ -239,7 +239,7 @@ func (ld *mongoLdb) ExecQuery(query string, bucketPath []string, resultArea *tab
 			return fmt.Errorf("Decoding response: %w", err)
 		}
 
-		resultArea.SetupColumns([]columnType{columnType_popupData}, []string{"Response"})
+		resultArea.SetupColumns([]TableColumn{&binColumn{}}, []string{"Response"})
 		resultArea.AddRowData(responseJson)
 		resultArea.Ready()
 		return nil
@@ -287,7 +287,7 @@ type mongoConnection struct {
 	Conn struct {
 		Mode autoconfig.OneOf
 
-		Connection_String *string
+		Connection_String *string `json:",omitempty"`
 	}
 
 	SSH_Tunnel *SSHTunnel

db_pebble.go

@@ -30,7 +30,7 @@ func (ld *pebbleLoadedDatabase) RenderForNav(f *tableState, bucketPath []string)
 	// Load data
 	// pebble always uses Key + Value as the columns
 
-	f.SetupColumns([]columnType{columnType_popupData, columnType_popupData}, []string{"Key", "Value"})
+	f.SetupColumns([]TableColumn{&binColumn{}, &binColumn{}}, []string{"Key", "Value"})
 
 	itr, err := ld.db.NewIterWithContext(ctx, nil)
 	if err != nil {
@@ -91,8 +91,8 @@ type pebbleConnection struct {
 	Disk *struct {
 		Directory autoconfig.ExistingDirectory
 		Readonly  bool
-	}
-	Memory *struct{}
+	} `json:",omitempty"`
+	Memory *struct{} `json:",omitempty"`
 }
 
 func (pdc *pebbleConnection) Connect(ctx context.Context) (loadedDatabase, string, error) {

db_pogreb.go

@@ -0,0 +1,95 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"path/filepath"
+
+	"github.com/akrylysov/pogreb"
+	"github.com/mappu/autoconfig"
+	qt "github.com/mappu/miqt/qt6"
+)
+
+type pogrebLdb struct {
+	db *pogreb.DB
+}
+
+func (ld *pogrebLdb) DriverName() string {
+	return "Pogreb"
+}
+
+func (ld *pogrebLdb) Properties(bucketPath []string) (string, error) {
+	m := ld.db.Metrics()
+	return fmt.Sprintf("Metrics: %#v\n", m), nil
+}
+
+func (ld *pogrebLdb) RenderForNav(f *tableState, bucketPath []string) error {
+
+	// Load data
+	f.SetupColumns([]TableColumn{&binColumn{}, &binColumn{}}, []string{"Key", "Value"})
+
+	itn := ld.db.Items()
+	for {
+		k, v, err := itn.Next()
+		if err != nil {
+			if errors.Is(err, pogreb.ErrIterationDone) {
+				break
+			}
+			return err // Real error
+		}
+
+		f.AddRow_PK_Data(k, k, v)
+	}
+
+	f.Ready()
+	return nil
+}
+
+func (n *pogrebLdb) ApplyChanges(f *tableState, bucketPath []string) error {
+	return kvstore_ApplyChanges(f, n.db.Put, n.db.Delete)
+}
+
+func (ld *pogrebLdb) NavChildren(bucketPath []string) ([]string, error) {
+	return []string{}, nil // No children
+}
+
+func (ld *pogrebLdb) compactDB(sender *qt.QTreeWidgetItem, bucketPath []string) error {
+	info, err := ld.db.Compact()
+	if err != nil {
+		return err
+	}
+
+	qt.QMessageBox_Information(sender.TreeWidget().QWidget, APPNAME,
+		fmt.Sprintf("Compaction completed successfully.\n\nStatistics: %#v", info))
+
+	return nil
+}
+
+func (ld *pogrebLdb) NavContext(bucketPath []string) ([]contextAction, error) {
+	return []contextAction{
+		{"Compact", ld.compactDB},
+	}, nil
+}
+
+func (ld *pogrebLdb) Close() {
+	_ = ld.db.Close()
+}
+
+var _ loadedDatabase = &pogrebLdb{}         // interface assertion
+var _ editableLoadedDatabase = &pogrebLdb{} // interface assertion
+
+//
+
+type pogrebConn struct {
+	Directory autoconfig.ExistingDirectory
+}
+
+func (c *pogrebConn) Connect(ctx context.Context) (loadedDatabase, string, error) {
+	db, err := pogreb.Open(string(c.Directory), nil)
+	if err != nil {
+		return nil, "", err
+	}
+
+	return &pogrebLdb{db: db}, filepath.Base(string(c.Directory)), nil
+}

db_redis.go

@@ -142,7 +142,7 @@ func (ld *redisLoadedDatabase) RenderForNav(f *tableState, bucketPath []string)
 		// Redis always uses Key string, Type string, Value []byte as the columns
 
 		f.SetupColumns(
-			[]columnType{columnType_popupData, columnType_inlineText, columnType_popupData},
+			[]TableColumn{&binColumn{}, &stringColumn{}, &binColumn{}},
 			[]string{"Key", "Type", "Value"},
 		)
 
@@ -240,7 +240,7 @@ func (ld *redisLoadedDatabase) ExecQuery(query string, _ []string, resultArea *t
 		return fmt.Errorf("The redis query returned an error: %w", err)
 	}
 
-	resultArea.SetupColumns([]columnType{columnType_inlineText}, []string{"Result"})
+	resultArea.SetupColumns([]TableColumn{&stringColumn{}}, []string{"Result"})
 
 	// The result is probably a single value or a string slice
 	switch ret := ret.(type) {

db_rosedb.go

@@ -25,7 +25,7 @@ func (ld *roseLdb) Properties(bucketPath []string) (string, error) {
 func (ld *roseLdb) RenderForNav(f *tableState, bucketPath []string) error {
 
 	// Load data
-	f.SetupColumns([]columnType{columnType_popupData, columnType_popupData}, []string{"Key", "Value"})
+	f.SetupColumns([]TableColumn{&binColumn{}, &binColumn{}}, []string{"Key", "Value"})
 
 	ld.db.Ascend(func(k, v []byte) (bool, error) {
 		f.AddRow_PK_Data(k, k, v)

db_secretsvc_linux.go

@@ -37,7 +37,7 @@ func (ld *secretServiceDb) RenderForNav(f *tableState, bucketPath []string) erro
 	} else if len(bucketPath) == 1 {
 
 		f.SetupColumns(
-			[]columnType{columnType_inlineText, columnType_inlineText, columnType_inlineText, columnType_inlineText, columnType_inlineText, columnType_popupData},
+			[]TableColumn{&stringColumn{}, &stringColumn{}, &stringColumn{}, &stringColumn{}, &stringColumn{}, &binColumn{}},
 			[]string{"ID", "Label", "Attributes", "ContentType", "Parameters", "Value"},
 		)
 

db_sqlite.go

@@ -6,6 +6,7 @@ import (
 	"errors"
 	"fmt"
 	"path/filepath"
+	"reflect"
 	"strings"
 
 	"qbolt/sqliteclidriver"
@@ -55,8 +56,6 @@ func (ld *sqliteLoadedDatabase) Properties(bucketPath []string) (string, error)
 
 func (ld *sqliteLoadedDatabase) RenderForNav(f *tableState, bucketPath []string) error {
 
-	ctx := context.TODO()
-
 	if len(bucketPath) == 0 {
 		return nil
 
@@ -68,36 +67,17 @@ func (ld *sqliteLoadedDatabase) RenderForNav(f *tableState, bucketPath []string)
 		// Render for specific table
 		tableName := bucketPath[1]
 
-		// Load column details
-		// Use SELECT form instead of common PRAGMA table_info so we can just get names
-		// We could possibly get this from the main data select, but this will
-		// work even when there are 0 results
-		columnNames, err := ld.sqliteGetColumnNamesForTable(tableName)
-		if err != nil {
-			return fmt.Errorf("Failed to load columns for table %q: %w", tableName, err)
-		}
-
-		populateColumns(columnNames, f)
-
-		// Find primary key, if any
-		var primaryKeyIdx int = -1
-		if primaryKeyColumnName, err := ld.getPrimaryKeyForTable(ctx, ld.db, tableName); err == nil {
-			if search, ok := slice_find(columnNames, primaryKeyColumnName); ok {
-				primaryKeyIdx = search
-			}
-		}
-
 		// Select count(*) so we know to display a warning if there are too many entries
 		// TODO
 
 		// Select * with small limit
-		datar, err := ld.db.Query(`SELECT * FROM "` + tableName + `" LIMIT 1000`) // WARNING can't prepare this parameter, but it comes from the DB (trusted)
+		datar, err := ld.db.Query(`SELECT rowid, * FROM [` + tableName + `]`) // WARNING can't prepare this parameter, but it comes from the DB (trusted)
 		if err != nil {
 			return fmt.Errorf("Failed to load data for table %q: %w", tableName, err)
 		}
 		defer datar.Close()
 
-		err = populateRows(datar, f, primaryKeyIdx)
+		err = populateRows(datar, f, true)
 		if err != nil {
 			return err
 		}
@@ -140,34 +120,108 @@ func (ld *sqliteLoadedDatabase) sqliteGetColumnNamesForTable(tableName string) (
 	return ret, nil
 }
 
-func populateColumns(names []string, dest *tableState) {
-	// FIXME better column types?
-	dest.SetupColumns(slice_repeat(columnType_inlineText, len(names)), names)
-}
-
-func populateRows(rr *sql.Rows, dest *tableState, pk_index int) error {
+func populateRows(rr *sql.Rows, dest *tableState, firstColumnIsExtraRowID bool) error {
 
 	numColumns := len(dest.columns)
 
-	for rr.Next() {
-		fields := make([]interface{}, numColumns)
-		pfields := make([]interface{}, numColumns)
-		for i := 0; i < numColumns; i += 1 {
-			pfields[i] = &fields[i]
+	var pfields []interface{} = nil
+
+	cNames, err := rr.Columns()
+	if err != nil {
+		return err
+	}
+
+	cTypes, err := rr.ColumnTypes()
+	if err != nil {
+		return err
+	}
+
+	if len(cNames) != len(cTypes) {
+		return errors.New("unexpected column metadata mismatch") // assert
+	}
+
+	numColumns = len(cNames)
+
+	rrMakeCtypes := []TableColumn{}
+
+	for i := 0; i < len(cTypes); i++ {
+
+		if firstColumnIsExtraRowID && i == 0 {
+			pfields = append(pfields, new(int64))
+			continue
 		}
 
+		nullable, ok := cTypes[i].Nullable()
+		if !ok {
+			return errors.New("can't tell if column is nullable?")
+		}
+
+		// TODO support all SQLite column names/type-affinities
+		// TODO support nullable variants for all types here
+		// @ref https://www.sqlite.org/datatype3.html
+
+		switch cTypes[i].DatabaseTypeName() {
+		case "BLOB":
+			// Binary column
+			rrMakeCtypes = append(rrMakeCtypes, &binColumn{})
+			pfields = append(pfields, new([]byte))
+
+		case "INTEGER":
+			if nullable {
+				rrMakeCtypes = append(rrMakeCtypes, &sqlNullInt64Column{})
+				pfields = append(pfields, new(sql.NullInt64))
+			} else {
+				rrMakeCtypes = append(rrMakeCtypes, &int64Column{})
+				pfields = append(pfields, new(int64))
+			}
+
+		default:
+			if nullable {
+				rrMakeCtypes = append(rrMakeCtypes, &sqlNullStringColumn{})
+				pfields = append(pfields, new(sql.NullString))
+
+			} else {
+				rrMakeCtypes = append(rrMakeCtypes, &stringColumn{})
+				pfields = append(pfields, new(string))
+			}
+
+		}
+
+	}
+
+	// Resetup table
+
+	if firstColumnIsExtraRowID {
+		cNames = cNames[1:]
+	}
+
+	dest.SetupColumns(rrMakeCtypes, cNames)
+
+	for rr.Next() {
+
 		err := rr.Scan(pfields...)
 		if err != nil {
 			return fmt.Errorf("Scan: %w", err)
 		}
 
 		rpos := dest.AddRow()
-		for i := 0; i < len(fields); i += 1 {
-			dest.SetCell(rpos, i, formatAny(fields[i])) // FIXME stop doing string conversion here
-		}
 
-		if pk_index >= 0 {
-			dest.SetRowPrimaryKey(rpos, []byte(formatAny(fields[pk_index]))) // FIXME stop doing string conversion here
+		if firstColumnIsExtraRowID {
+			dest.SetRowPrimaryKey(rpos, int64_to_binary8(*(pfields[0].(*int64))))
+
+			for i := 1; i < numColumns; i += 1 { // skip first column
+				interior := reflect.ValueOf(pfields[i]).Elem().Interface()
+				dest.SetCell(rpos, i-1, interior)
+			}
+
+		} else {
+
+			// all columns
+			for i := 0; i < numColumns; i += 1 {
+				interior := reflect.ValueOf(pfields[i]).Elem().Interface()
+				dest.SetCell(rpos, i, interior)
+			}
+
 		}
 
 	}
@@ -182,14 +236,7 @@ func (ld *sqliteLoadedDatabase) ExecQuery(query string, _ []string, resultArea *
 
 	defer rr.Close()
 
-	columns, err := rr.Columns()
-	if err != nil {
-		return err
-	}
-
-	populateColumns(columns, resultArea)
-
-	err = populateRows(rr, resultArea, -1)
+	err = populateRows(rr, resultArea, false)
 	if err != nil {
 		return err
 	}
@@ -202,12 +249,6 @@ type RowQueryContexter interface {
 	QueryRowContext(context.Context, string, ...interface{}) *sql.Row
 }
 
-func (n *sqliteLoadedDatabase) getPrimaryKeyForTable(ctx context.Context, tx RowQueryContexter, tableName string) (string, error) {
-	var primaryColumnName string
-	err := tx.QueryRowContext(ctx, `SELECT l.name FROM pragma_table_info(?) as l WHERE l.pk = 1;`, tableName).Scan(&primaryColumnName)
-	return primaryColumnName, err
-}
-
 func (n *sqliteLoadedDatabase) ApplyChanges(f *tableState, bucketPath []string) (retErr error) {
 
 	if len(bucketPath) != 2 {
@@ -232,33 +273,27 @@ func (n *sqliteLoadedDatabase) ApplyChanges(f *tableState, bucketPath []string)
 		}
 	}()
 
-	// Query sqlite table metadata to determine which of these is the PRIMARY KEY
-	primaryColumnName, err := n.getPrimaryKeyForTable(ctx, tx, tableName)
-	if err != nil {
-		return fmt.Errorf("Finding primary key for update: %w", err)
-	}
-
 	// SQLite can only LIMIT 1 on update/delete if it was compiled with
 	// SQLITE_ENABLE_UPDATE_DELETE_LIMIT, which isn't the case for the mattn
 	// cgo library
 	// Skip that, and just rely on primary key uniqueness
 
 	// Edit
-	for rowid, editcells := range f.updateRows {
+	for aRow, editcells := range f.updateRows {
 		stmt := `UPDATE [` + tableName + `] SET `
-		params := []interface{}{} // FIXME reinstate types for the driver (although SQLite doesn't mind)
+		params := []interface{}{}
 
 		for ct, cell := range editcells {
 			if ct > 0 {
 				stmt += `, `
 			}
 			stmt += `[` + f.columnLabels[cell] + `] = ?`
-			params = append(params, (f.columns[cell].(*stringColumn)).vals[rowid]) // FIXME stop doing string conversion
+			params = append(params, f.columns[cell].GetCell(aRow))
 		}
-		stmt += ` WHERE [` + primaryColumnName + `] = ?`
+		stmt += ` WHERE [rowid] = ?`
 
 		// Update by primary key (stored separately)
-		pkVal := string(f.primaryKeys[rowid]) // FIXME avoid string marshalling
+		pkVal := binary8_to_int64(f.primaryKeys[aRow])
 		params = append(params, pkVal)
 
 		_, err = tx.ExecContext(ctx, stmt, params...)
@@ -268,10 +303,10 @@ func (n *sqliteLoadedDatabase) ApplyChanges(f *tableState, bucketPath []string)
 	}
 
 	// Delete by key (affects rowids after re-render)
-	for rowid, _ := range f.deleteRows {
-		pkVal := string(f.primaryKeys[rowid]) // FIXME avoid string marshalling
+	for aRow, _ := range f.deleteRows {
+		pkVal := binary8_to_int64(f.primaryKeys[aRow])
 
-		stmt := `DELETE FROM [` + tableName + `] WHERE [` + primaryColumnName + `] = ?`
+		stmt := `DELETE FROM [` + tableName + `] WHERE [rowid] = ?`
 
 		_, err = tx.ExecContext(ctx, stmt, pkVal)
 		if err != nil {
@@ -280,16 +315,16 @@ func (n *sqliteLoadedDatabase) ApplyChanges(f *tableState, bucketPath []string)
 	}
 
 	// Insert all new entries
-	for rowid, _ := range f.insertRows {
+	for aRow, _ := range f.insertRows {
 		stmt := `INSERT INTO [` + tableName + `] ([` + strings.Join(f.columnLabels, `], [`) + `]) VALUES (`
-		params := []interface{}{} // FIXME reinstate types for the driver (although SQLite doesn't mind)
+		params := []interface{}{}
 
 		for colid := 0; colid < len(f.columnLabels); colid++ {
 			if colid > 0 {
 				stmt += `, `
 			}
 			stmt += "?"
-			params = append(params, (f.columns[colid].(*stringColumn)).vals[rowid]) // FIXME stop doing string conversion
+			params = append(params, f.columns[colid].GetCell(aRow))
 		}
 		stmt += `)`
 
@@ -316,7 +351,10 @@ func (ld *sqliteLoadedDatabase) NavChildren(bucketPath []string) ([]string, erro
 	}
 
 	if len(bucketPath) == 1 && bucketPath[0] == sqliteTablesCaption {
-		rr, err := ld.db.Query(`SELECT name FROM sqlite_master WHERE type='table' ORDER BY name ASC;`)
+		// The sequence and stat1 tables are not marked as hidden tables
+		// They are created automatically when using (A) autoincrement and (B) ???.
+
+		rr, err := ld.db.Query(`SELECT name FROM sqlite_master WHERE type='table' AND name != 'sqlite_sequence' AND name != 'sqlite_stat1' ORDER BY name ASC;`)
 		if err != nil {
 			return nil, err
 		}
@@ -406,8 +444,12 @@ type sqliteConnection struct {
 	Disk *struct {
 		Database  autoconfig.ExistingFile `yfilter:"SQLite database (*.db *.db3 *.sqlite *.sqlite3);;All files (*)"`
 		CliDriver bool                    `ylabel:"Use experimental CLI driver"`
-	}
-	Memory *struct{}
+	} `json:",omitempty"`
+	Memory *struct{} `json:",omitempty"`
+	SSH    *struct {
+		SSHServer *SSHTunnel
+		Database  string
+	} `json:",omitempty"`
 }
 
 func (sc *sqliteConnection) Connect(ctx context.Context) (loadedDatabase, string, error) {
@@ -424,12 +466,29 @@ func (sc *sqliteConnection) Connect(ctx context.Context) (loadedDatabase, string
 
 		return &sqliteLoadedDatabase{db: db}, filepath.Base(string(sc.Disk.Database)), nil
 
-	} else { // memory
+	} else if sc.Memory != nil { // memory
 		db, err := sql.Open("sqlite3", ":memory:")
 		if err != nil {
 			return nil, "", err
 		}
 
 		return &sqliteLoadedDatabase{db: db}, ":memory:", nil
+
+	} else if sc.SSH != nil {
+		if sc.SSH.SSHServer == nil {
+			return nil, "", errors.New("Invalid configuration")
+		}
+
+		cl, err := sc.SSH.SSHServer.Open(ctx)
+		if err != nil {
+			return nil, "", err
+		}
+
+		db := sqliteclidriver.OpenSSH(cl, sc.SSH.Database)
+
+		return &sqliteLoadedDatabase{db: db}, "SSH[" + filepath.Base(string(sc.SSH.Database)) + "]", nil
+
+	} else {
+		return nil, "", errors.New("Invalid configuration")
 	}
 }

db_sshagent.go

@@ -31,7 +31,7 @@ func (ld *sshAgentLdb) RenderForNav(f *tableState, bucketPath []string) error {
 		return err
 	}
 
-	f.SetupColumns([]columnType{columnType_inlineText, columnType_inlineText, columnType_popupData}, []string{"Comment", "Type", "Public Key"})
+	f.SetupColumns([]TableColumn{&stringColumn{}, &stringColumn{}, &binColumn{}}, []string{"Comment", "Type", "Public Key"})
 
 	for _, key := range keys {
 		// The publicKey blob is the effective primary-key for DB manipulation
@@ -117,8 +117,8 @@ var _ loadedDatabase = &sshAgentLdb{} // interface assertion
 
 type sshAgentConn struct {
 	Type autoconfig.OneOf
-	Unix *autoconfig.ExistingFile
-	TCP  *autoconfig.AddressPort
+	Unix *autoconfig.ExistingFile `json:",omitempty"`
+	TCP  *autoconfig.AddressPort  `json:",omitempty"`
 }
 
 func (c *sshAgentConn) Reset() {

db_starskey.go

@@ -26,7 +26,7 @@ func (ld *starskeyLdb) RenderForNav(f *tableState, bucketPath []string) error {
 	// Load data
 	// Starskey always uses Key + Value as the columns
 
-	f.SetupColumns([]columnType{columnType_popupData, columnType_popupData}, []string{"Key", "Value"})
+	f.SetupColumns([]TableColumn{&binColumn{}, &binColumn{}}, []string{"Key", "Value"})
 
 	// It's possible to create a transaction in Starskey, but you can't enumerate keys
 	// within the transaction - doesn't really help us

db_voiddb_linux.go

@@ -0,0 +1,248 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"github.com/mappu/autoconfig"
+	qt "github.com/mappu/miqt/qt6"
+	"github.com/voidDB/voidDB"
+	"github.com/voidDB/voidDB/common"
+	"github.com/voidDB/voidDB/cursor"
+)
+
+type voidLdb struct {
+	db            *voidDB.Void
+	multiKeyspace bool
+}
+
+func (ld *voidLdb) DriverName() string {
+	return "VoidDB"
+}
+
+func (ld *voidLdb) Properties(bucketPath []string) (string, error) {
+	return "", nil
+}
+
+// cursor gets a VoidDB cursor for the given transaction and bucketPath.
+func (ld *voidLdb) cursor(txn *voidDB.Txn, bucketPath []string) (*cursor.Cursor, error) {
+	if ld.multiKeyspace {
+		if len(bucketPath) == 0 {
+			return nil, errors.New("No data at VoidDB root keyspace when in multi-keyspace mode")
+		}
+
+		return txn.OpenCursor([]byte(bucketPath[0]))
+
+	} else {
+		if len(bucketPath) != 0 {
+			return nil, errors.New("Invalid navigation")
+		}
+
+		return txn.Cursor, nil // The Txn embeds a new cursor over the default keyspace
+	}
+}
+
+func (ld *voidLdb) RenderForNav(f *tableState, bucketPath []string) error {
+
+	// Load data
+	f.SetupColumns([]TableColumn{&binColumn{}, &binColumn{}}, []string{"Key", "Value"})
+
+	if ld.multiKeyspace && len(bucketPath) == 0 {
+		// Nothing to see/do in the default keyspace, sorry
+		// Exit without calling .Ready()
+		return nil
+	}
+
+	err := ld.db.View(func(tx *voidDB.Txn) error {
+
+		cur, err := ld.cursor(tx, bucketPath)
+		if err != nil {
+			return err
+		}
+
+		for {
+			k, v, err := cur.GetNext()
+			if err != nil {
+				if errors.Is(err, common.ErrorNotFound) {
+					break // Reached end
+				}
+				return fmt.Errorf("GetNext: %w", err) // Some other real error
+			}
+
+			f.AddRow_PK_Data(k, k, v)
+		}
+		return nil
+	})
+	if err != nil {
+		return err
+	}
+
+	f.Ready()
+	return nil
+}
+
+func (n *voidLdb) ApplyChanges(f *tableState, bucketPath []string) error {
+
+	return n.db.Update(true, func(tx *voidDB.Txn) error {
+
+		cur, err := n.cursor(tx, bucketPath)
+		if err != nil {
+			return err
+		}
+
+		return kvstore_ApplyChanges(
+			f,
+			cur.Put,
+			func(k []byte) error {
+				// To delete keys in VoidDB, first move the cursor to the target
+				_, err := cur.Get(k)
+				if err != nil {
+					return fmt.Errorf("Finding key %q for deletion: %w", formatUtf8(k), err)
+				}
+
+				return cur.Del()
+			},
+		)
+	})
+}
+
+func (ld *voidLdb) NavChildren(bucketPath []string) ([]string, error) {
+	if len(bucketPath) == 0 && ld.multiKeyspace {
+
+		// In multi-db mode, the root keyspace is filled with pointers to
+		// other keyspaces
+		// Iterate the names
+		var rootNames []string
+		err := ld.db.View(func(tx *voidDB.Txn) error {
+			for {
+				k, _, err := tx.GetNext()
+				if err != nil {
+					if errors.Is(err, common.ErrorNotFound) {
+						return nil // Reached end
+					}
+					return fmt.Errorf("GetNext: %w", err) // Some other real error
+				}
+
+				rootNames = append(rootNames, string(k))
+			}
+		})
+		if err != nil {
+			return nil, err
+		}
+		return rootNames, nil
+	}
+
+	return []string{}, nil // No children
+}
+
+// addKeyspace is valid only in multi-keyspace mode.
+func (ld *voidLdb) addKeyspace(sender *qt.QTreeWidgetItem, bucketPath []string) error {
+	if len(bucketPath) != 0 {
+		return errors.New("Can only add keyspaces at the root")
+	}
+
+	ksName := qt.QInputDialog_GetText(sender.TreeWidget().QWidget, APPNAME, "Enter a name for the new keyspace:")
+	if ksName == "" {
+		return nil // cancel
+	}
+
+	return ld.db.Update(true, func(tx *voidDB.Txn) error {
+		_, err := tx.OpenCursor([]byte(ksName))
+		return err
+	})
+}
+
+// deleteKeyspace is valid only in multi-keyspace mode. It deletes the target
+// keyspace and all its content.
+func (ld *voidLdb) deleteKeyspace(sender *qt.QTreeWidgetItem, bucketPath []string) error {
+	if len(bucketPath) != 1 {
+		return errors.New("Invalid navigation")
+	}
+
+	if !vcl_confirm_dialog(sender.TreeWidget().QWidget, fmt.Sprintf("Are you sure you want to delete the keyspace %q?", bucketPath[0])) {
+		return nil // cancelled
+	}
+
+	return ld.db.Update(true, func(tx *voidDB.Txn) error {
+		// Open the keyspace
+		cur, err := tx.OpenCursor([]byte(bucketPath[0]))
+		if err != nil {
+			return err
+		}
+
+		// Delete all its content
+		for {
+			_, _, err := cur.GetNext()
+			if err != nil {
+				if errors.Is(err, common.ErrorNotFound) {
+					break // Done
+				}
+				return fmt.Errorf("GetNext: %w", err) // real error
+			}
+
+			err = cur.Del()
+			if err != nil {
+				return err
+			}
+		}
+
+		// Delete the root-level keyspace pointer
+		// In VoidDB you delete by moving the cursor to the target item first
+		_, err = tx.Get([]byte(bucketPath[0]))
+		if err != nil {
+			return err
+		}
+
+		return tx.Del()
+	})
+}
+
+func (ld *voidLdb) NavContext(bucketPath []string) ([]contextAction, error) {
+	if ld.multiKeyspace {
+		if len(bucketPath) == 0 {
+			return []contextAction{
+				{"Add keyspace...", ld.addKeyspace},
+			}, nil
+		} else {
+			return []contextAction{
+				{"Delete keyspace...", ld.deleteKeyspace},
+			}, nil
+		}
+	}
+
+	return nil, nil // No supported actions
+}
+
+func (ld *voidLdb) Close() {
+	_ = ld.db.Close()
+}
+
+var _ loadedDatabase = &voidLdb{}         // interface assertion
+var _ editableLoadedDatabase = &voidLdb{} // interface assertion
+
+//
+
+type voidDBConn struct {
+	Path          autoconfig.ExistingFile
+	MultiKeyspace bool `ylabel:"Use multiple keyspaces"`
+}
+
+func (c *voidDBConn) Connect(ctx context.Context) (loadedDatabase, string, error) {
+
+	const capacity = 1 << 40 // 1 TiB max size before returning ErrorFull
+
+	openFunc := voidDB.OpenVoid
+	if _, err := os.Stat(string(c.Path)); os.IsNotExist(err) {
+		openFunc = voidDB.NewVoid
+	}
+
+	db, err := openFunc(string(c.Path), capacity)
+	if err != nil {
+		return nil, "", err
+	}
+
+	return &voidLdb{db: db, multiKeyspace: c.MultiKeyspace}, filepath.Base(string(c.Path)), nil
+}

db_voiddb_other.go

@@ -0,0 +1,19 @@
+//go:build !linux
+// +build !linux
+
+package main
+
+import (
+	"context"
+	"errors"
+
+	"github.com/mappu/autoconfig"
+)
+
+type voidDBConn struct {
+	H1 autoconfig.Header `ylabel:"Not supported on this operating system"`
+}
+
+func (ssc *voidDBConn) Connect(ctx context.Context) (loadedDatabase, string, error) {
+	return nil, "", errors.New("Not supported on this operating system")
+}

embed.qrc

@@ -1,21 +1,24 @@
 <RCC>
   <qresource prefix="/">
-    <file>assets/vendor_qt.png</file>
-    <file>assets/connect.png</file>
-    <file>assets/disconnect.png</file>
-    <file>assets/database_key.png</file>
-    <file>assets/help.png</file>
     <file>assets/add.png</file>
     <file>assets/arrow_refresh.png</file>
     <file>assets/chart_bar.png</file>
+    <file>assets/compress.png</file>
+    <file>assets/connect.png</file>
     <file>assets/database.png</file>
     <file>assets/database_add.png</file>
     <file>assets/database_delete.png</file>
+    <file>assets/database_key.png</file>
     <file>assets/database_lightning.png</file>
     <file>assets/database_save.png</file>
     <file>assets/delete.png</file>
+    <file>assets/disconnect.png</file>
+    <file>assets/help.png</file>
+    <file>assets/key.png</file>
     <file>assets/lightning.png</file>
     <file>assets/lightning_go.png</file>
+    <file>assets/note_delete.png</file>
+    <file>assets/page_key.png</file>
     <file>assets/pencil.png</file>
     <file>assets/pencil_add.png</file>
     <file>assets/pencil_delete.png</file>
@@ -25,6 +28,7 @@
     <file>assets/table_add.png</file>
     <file>assets/table_delete.png</file>
     <file>assets/table_save.png</file>
+    <file>assets/vendor_buntdb.png</file>
     <file>assets/vendor_cockroach.png</file>
     <file>assets/vendor_debian.png</file>
     <file>assets/vendor_dgraph.png</file>
@@ -35,11 +39,14 @@
     <file>assets/vendor_lotus.png</file>
     <file>assets/vendor_mongodb.png</file>
     <file>assets/vendor_mysql.png</file>
+    <file>assets/vendor_pogreb.png</file>
+    <file>assets/vendor_qt.png</file>
     <file>assets/vendor_redis.png</file>
     <file>assets/vendor_riak.png</file>
     <file>assets/vendor_rosedb.png</file>
     <file>assets/vendor_sqlite.png</file>
     <file>assets/vendor_ssh.png</file>
     <file>assets/vendor_starskey.png</file>
+    <file>assets/vendor_voiddb.png</file>
   </qresource>
 </RCC>

go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/google/uuid v1.6.0
 	github.com/ledgerwatch/lmdb-go v1.18.2
 	github.com/lotusdblabs/lotusdb/v2 v2.1.0
-	github.com/mappu/autoconfig v0.4.1
+	github.com/mappu/autoconfig v0.5.0
 	github.com/mappu/miqt v0.12.1-0.20251106063543-466b60e47edf
 	github.com/mattn/go-sqlite3 v1.14.32
 	github.com/redis/go-redis/v9 v9.17.2
@@ -30,6 +30,7 @@ require (
 	al.essio.dev/pkg/shellescape v1.6.0 // indirect
 	github.com/DataDog/zstd v1.5.7 // indirect
 	github.com/abcum/lcp v0.0.0-20201209214815-7a3f3840be81 // indirect
+	github.com/akrylysov/pogreb v0.10.2 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/bwmarrin/snowflake v0.3.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
@@ -71,7 +72,16 @@ require (
 	github.com/rosedblabs/wal v1.3.6 // indirect
 	github.com/sirupsen/logrus v1.9.3 // indirect
 	github.com/spaolacci/murmur3 v1.1.0 // indirect
+	github.com/tidwall/btree v1.7.0 // indirect
+	github.com/tidwall/buntdb v1.3.2 // indirect
+	github.com/tidwall/gjson v1.14.3 // indirect
+	github.com/tidwall/grect v0.1.4 // indirect
+	github.com/tidwall/match v1.1.1 // indirect
+	github.com/tidwall/pretty v1.2.0 // indirect
+	github.com/tidwall/rtred v0.1.2 // indirect
+	github.com/tidwall/tinyqueue v0.1.1 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/voidDB/voidDB v0.1.18 // indirect
 	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
 	github.com/xdg-go/scram v1.2.0 // indirect
 	github.com/xdg-go/stringprep v1.0.4 // indirect

go.sum

@@ -4,6 +4,8 @@ github.com/DataDog/zstd v1.5.7 h1:ybO8RBeh29qrxIhCA9E8gKY6xfONU9T6G6aP9DTKfLE=
 github.com/DataDog/zstd v1.5.7/go.mod h1:g4AWEaM3yOg3HYfnJ3YIawPnVdXJh9QME85blwSAmyw=
 github.com/abcum/lcp v0.0.0-20201209214815-7a3f3840be81 h1:uHogIJ9bXH75ZYrXnVShHIyywFiUZ7OOabwd9Sfd8rw=
 github.com/abcum/lcp v0.0.0-20201209214815-7a3f3840be81/go.mod h1:6ZvnjTZX1LNo1oLpfaJK8h+MXqHxcBFBIwkgsv+xlv0=
+github.com/akrylysov/pogreb v0.10.2 h1:e6PxmeyEhWyi2AKOBIJzAEi4HkiC+lKyCocRGlnDi78=
+github.com/akrylysov/pogreb v0.10.2/go.mod h1:pNs6QmpQ1UlTJKDezuRWmaqkgUE2TuU0YTWyqJZ7+lI=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bsm/ginkgo/v2 v2.12.0 h1:Ny8MWAHyOepLGlLKYmXG4IEkioBysk6GpaRTLC8zwWs=
@@ -104,6 +106,8 @@ github.com/lotusdblabs/lotusdb/v2 v2.1.0 h1:rCBrwED8Po12FzrxxX4zppxoHb2O+sCtddyW
 github.com/lotusdblabs/lotusdb/v2 v2.1.0/go.mod h1:MyOEvqL3Hxm3HiBOYZ4BlZBnqCIcc2QQkF34VBD76fk=
 github.com/mappu/autoconfig v0.4.1 h1:ekO7mzN+beFu7VhNfJxNlL/5wkYcP9PAl9VTG4EDxYs=
 github.com/mappu/autoconfig v0.4.1/go.mod h1:kca6kaYjqOwkZnY9z5YKo0oI/7Bxe2fMIHhYzXwGHEE=
+github.com/mappu/autoconfig v0.5.0 h1:pSune+YObUOZmo8PXhxg41PsmcJJ8mP0L/3juDicUhE=
+github.com/mappu/autoconfig v0.5.0/go.mod h1:kca6kaYjqOwkZnY9z5YKo0oI/7Bxe2fMIHhYzXwGHEE=
 github.com/mappu/miqt v0.12.1-0.20251106063543-466b60e47edf h1:SmBzNUevLUzu1msJ5xzWH/Kot+GtOtoz0u9la42dRU4=
 github.com/mappu/miqt v0.12.1-0.20251106063543-466b60e47edf/go.mod h1:xFg7ADaO1QSkmXPsPODoKe/bydJpRG9fgCYyIDl/h1U=
 github.com/mattetti/filebuffer v1.0.1 h1:gG7pyfnSIZCxdoKq+cPa8T0hhYtD9NxCdI4D7PTjRLM=
@@ -165,8 +169,27 @@ github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 github.com/syndtr/goleveldb v1.0.0 h1:fBdIW9lB4Iz0n9khmH8w27SJ3QEJ7+IgjPEwGSZiFdE=
 github.com/syndtr/goleveldb v1.0.0/go.mod h1:ZVVdQEZoIme9iO1Ch2Jdy24qqXrMMOU6lpPAyBWyWuQ=
+github.com/tidwall/btree v1.7.0 h1:L1fkJH/AuEh5zBnnBbmTwQ5Lt+bRJ5A8EWecslvo9iI=
+github.com/tidwall/btree v1.7.0/go.mod h1:twD9XRA5jj9VUQGELzDO4HPQTNJsoWWfYEL+EUQ2cKY=
+github.com/tidwall/buntdb v1.3.2 h1:qd+IpdEGs0pZci37G4jF51+fSKlkuUTMXuHhXL1AkKg=
+github.com/tidwall/buntdb v1.3.2/go.mod h1:lZZrZUWzlyDJKlLQ6DKAy53LnG7m5kHyrEHvvcDmBpU=
+github.com/tidwall/gjson v1.12.1/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
+github.com/tidwall/gjson v1.14.3 h1:9jvXn7olKEHU1S9vwoMGliaT8jq1vJ7IH/n9zD9Dnlw=
+github.com/tidwall/gjson v1.14.3/go.mod h1:/wbyibRr2FHMks5tjHJ5F8dMZh3AcwJEMf5vlfC0lxk=
+github.com/tidwall/grect v0.1.4 h1:dA3oIgNgWdSspFzn1kS4S/RDpZFLrIxAZOdJKjYapOg=
+github.com/tidwall/grect v0.1.4/go.mod h1:9FBsaYRaR0Tcy4UwefBX/UDcDcDy9V5jUcxHzv2jd5Q=
+github.com/tidwall/match v1.1.1 h1:+Ho715JplO36QYgwN9PGYNhgZvoUSc9X2c80KVTi+GA=
+github.com/tidwall/match v1.1.1/go.mod h1:eRSPERbgtNPcGhD8UCthc6PmLEQXEWd3PRB5JTxsfmM=
+github.com/tidwall/pretty v1.2.0 h1:RWIZEg2iJ8/g6fDDYzMpobmaoGh5OLl4AXtGUGPcqCs=
+github.com/tidwall/pretty v1.2.0/go.mod h1:ITEVvHYasfjBbM0u2Pg8T2nJnzm8xPwvNhhsoaGGjNU=
+github.com/tidwall/rtred v0.1.2 h1:exmoQtOLvDoO8ud++6LwVsAMTu0KPzLTUrMln8u1yu8=
+github.com/tidwall/rtred v0.1.2/go.mod h1:hd69WNXQ5RP9vHd7dqekAz+RIdtfBogmglkZSRxCHFQ=
+github.com/tidwall/tinyqueue v0.1.1 h1:SpNEvEggbpyN5DIReaJ2/1ndroY8iyEGxPYxoSaymYE=
+github.com/tidwall/tinyqueue v0.1.1/go.mod h1:O/QNHwrnjqr6IHItYrzoHAKYhBkLI67Q096fQP5zMYw=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
+github.com/voidDB/voidDB v0.1.18 h1:Y2a+2nle/EUZTfM9uuIAAbeRlaxMVejFIE1K4kR8on0=
+github.com/voidDB/voidDB v0.1.18/go.mod h1:Yj7wPJtpUHq27xPRsZmyUIlCIYize+VlxK5pHtMRoK0=
 github.com/xdg-go/pbkdf2 v1.0.0 h1:Su7DPu48wXMwC3bs7MCNG+z4FhcyEuz5dlvchbq0B0c=
 github.com/xdg-go/pbkdf2 v1.0.0/go.mod h1:jrpuAogTd400dnrH08LKmI/xc1MbPOebTwRqcT5RDeI=
 github.com/xdg-go/scram v1.2.0 h1:bYKF2AEwG5rqd1BumT4gAnvwU/M9nBp2pTSxeZw7Wvs=

main.go

@@ -43,6 +43,11 @@ func newApp() *App {
 	// different QStyles
 	a.ui.propertiesBox.SetStyleSheet("background-color: transparent;")
 
+	// These properties are not supported by miqt-uic yet
+	a.ui.tbConnect.SetIconSize(qt.NewQSize2(16, 16))
+	a.ui.tbData.SetIconSize(qt.NewQSize2(16, 16))
+	a.ui.tbQuery.SetIconSize(qt.NewQSize2(16, 16))
+
 	//
 
 	a.ui.actionConnect.OnTriggered(a.OnMnuConnectClick)
@@ -97,8 +102,6 @@ func newApp() *App {
 
 	// a.ui.queryInput.OnTextChanged(a.OnQueryTextChanged) // apply syntax highlighting
 
-	a.ui.mnuExecute.OnTriggered(a.OnQueryExecute)
-
 	a.ui.queryInput.SetFont(vcl_monospace())
 
 	a.resultsTbl = NewTableState(a.ui.queryResult)
@@ -474,6 +477,7 @@ func (f *App) refreshContent(node *qt.QTreeWidgetItem) {
 	f.ui.actionApply_changes.SetEnabled(false)    // will be enabled after add/delete/edit
 	f.ui.actionDelete_row.SetEnabled(editable)
 	f.ui.actionAddRow.SetEnabled(editable)
+	f.ui.actionSet_cell_to_null.SetEnabled(false) // TODO
 	f.contentTbl.SetAllowEditing(editable)
 
 	// Toggle the Query functionality
@@ -482,6 +486,9 @@ func (f *App) refreshContent(node *qt.QTreeWidgetItem) {
 	f.ui.queryResult.SetEnabled(queryable)
 	f.ui.mnuExecute.SetEnabled(queryable)
 
+	tabindex_Query := f.ui.tabWidget.IndexOf(f.ui.tabQuery)
+	f.ui.tabWidget.SetTabEnabled(tabindex_Query, queryable) // If we were on the query tab at this time, Qt automatically moves us back 1 tab off it
+
 	// We're in charge of common status bar text updates
 	// Find database displayname
 	f.ui.MainWindow.StatusBar().ShowMessage(f.DatabaseDisplayName(node) + " | " + ld.DriverName())
@@ -634,6 +641,10 @@ func (f *App) addTopLevelDatabaseConnection(ld loadedDatabase, displayName strin
 	nav.SetData(0, BucketPathBSliceRole, qt.NewQVariant12(emptyData))
 
 	f.ui.Buckets.AddTopLevelItem(nav)
+
+	// For a newly added DB, switch us back to the Properties pane
+	f.ui.tabWidget.SetCurrentIndex(0)
+
 	f.ui.Buckets.SetCurrentItem(nav) // Select new element
 
 	f.handleNavExpansion(nav, 0) // Load child contents but do not recurse further

mainwindow.go

@@ -34,7 +34,9 @@ type MainWindowUi struct {
 	menu_Data                           *qt.QMenu
 	menu_Tools                          *qt.QMenu
 	statusbar                           *qt.QStatusBar
-	toolBar                             *qt.QToolBar
+	tbConnect                           *qt.QToolBar
+	tbData                              *qt.QToolBar
+	tbQuery                             *qt.QToolBar
 	actionE_xit                         *qt.QAction
 	mnuExecute                          *qt.QAction
 	mnuDriverVersions                   *qt.QAction
@@ -47,6 +49,7 @@ type MainWindowUi struct {
 	actionApply_changes                 *qt.QAction
 	actionConnectionManager             *qt.QAction
 	actionCreate_Bolt_database_from_zip *qt.QAction
+	actionSet_cell_to_null              *qt.QAction
 }
 
 // NewMainWindowUi creates all Qt widget classes for MainWindow.
@@ -143,6 +146,17 @@ func NewMainWindowUi() *MainWindowUi {
 	actionCreate_Bolt_database_from_zip__objectName := qt.NewQAnyStringView3("actionCreate_Bolt_database_from_zip")
 	ui.actionCreate_Bolt_database_from_zip.SetObjectName(*actionCreate_Bolt_database_from_zip__objectName)
 	actionCreate_Bolt_database_from_zip__objectName.Delete() // setter copied value
+	icon10 := qt.NewQIcon()
+	icon10.AddFile4(":/assets/compress.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
+	ui.actionCreate_Bolt_database_from_zip.SetIcon(icon10)
+	ui.actionSet_cell_to_null = qt.NewQAction()
+	actionSet_cell_to_null__objectName := qt.NewQAnyStringView3("actionSet_cell_to_null")
+	ui.actionSet_cell_to_null.SetObjectName(*actionSet_cell_to_null__objectName)
+	actionSet_cell_to_null__objectName.Delete() // setter copied value
+	icon11 := qt.NewQIcon()
+	icon11.AddFile4(":/assets/note_delete.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
+	ui.actionSet_cell_to_null.SetIcon(icon11)
+	/* miqt-uic: no handler for QAction property 'menuRole' */
 	ui.centralwidget = qt.NewQWidget(ui.MainWindow.QWidget)
 	centralwidget__objectName := qt.NewQAnyStringView3("centralwidget")
 	ui.centralwidget.SetObjectName(*centralwidget__objectName)
@@ -198,9 +212,9 @@ func NewMainWindowUi() *MainWindowUi {
 	ui.propertiesBox.SetReadOnly(true)
 
 	ui.gridLayout_2.AddWidget2(ui.propertiesBox.QWidget, 0, 0)
-	icon10 := qt.NewQIcon()
-	icon10.AddFile4(":/assets/chart_bar.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
-	ui.tabWidget.AddTab2(ui.tabProperties, icon10, "")
+	icon12 := qt.NewQIcon()
+	icon12.AddFile4(":/assets/chart_bar.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
+	ui.tabWidget.AddTab2(ui.tabProperties, icon12, "")
 	ui.tabData = qt.NewQWidget(ui.tabWidget.QWidget)
 	tabData__objectName := qt.NewQAnyStringView3("tabData")
 	ui.tabData.SetObjectName(*tabData__objectName)
@@ -219,9 +233,9 @@ func NewMainWindowUi() *MainWindowUi {
 	ui.contentBox.SetHorizontalScrollMode(qt.QAbstractItemView__ScrollPerPixel)
 
 	ui.verticalLayout.AddWidget(ui.contentBox.QWidget)
-	icon11 := qt.NewQIcon()
-	icon11.AddFile4(":/assets/table.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
-	ui.tabWidget.AddTab2(ui.tabData, icon11, "")
+	icon13 := qt.NewQIcon()
+	icon13.AddFile4(":/assets/table.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
+	ui.tabWidget.AddTab2(ui.tabData, icon13, "")
 	ui.tabQuery = qt.NewQWidget(ui.tabWidget.QWidget)
 	tabQuery__objectName := qt.NewQAnyStringView3("tabQuery")
 	ui.tabQuery.SetObjectName(*tabQuery__objectName)
@@ -253,9 +267,9 @@ func NewMainWindowUi() *MainWindowUi {
 	ui.splitter_2.AddWidget(ui.queryResult.QWidget)
 
 	ui.verticalLayout_2.AddWidget(ui.splitter_2.QWidget)
-	icon12 := qt.NewQIcon()
-	icon12.AddFile4(":/assets/lightning.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
-	ui.tabWidget.AddTab2(ui.tabQuery, icon12, "")
+	icon14 := qt.NewQIcon()
+	icon14.AddFile4(":/assets/lightning.png", qt.NewQSize(), qt.QIcon__Normal, qt.QIcon__Off)
+	ui.tabWidget.AddTab2(ui.tabQuery, icon14, "")
 	ui.splitter.AddWidget(ui.tabWidget.QWidget)
 
 	ui.gridLayout.AddWidget2(ui.splitter.QWidget, 0, 0)
@@ -294,6 +308,7 @@ func NewMainWindowUi() *MainWindowUi {
 	ui.menu_Data.AddSeparator()
 	ui.menu_Data.QWidget.AddAction(ui.actionAddRow)
 	ui.menu_Data.QWidget.AddAction(ui.actionDelete_row)
+	ui.menu_Data.QWidget.AddAction(ui.actionSet_cell_to_null)
 	ui.menu_Data.QWidget.AddAction(ui.actionApply_changes)
 	ui.menu_Tools = qt.NewQMenu(ui.menubar.QWidget)
 	menu_Tools__objectName := qt.NewQAnyStringView3("menu_Tools")
@@ -311,23 +326,39 @@ func NewMainWindowUi() *MainWindowUi {
 	ui.statusbar.SetObjectName(*statusbar__objectName)
 	statusbar__objectName.Delete() // setter copied value
 	ui.MainWindow.SetStatusBar(ui.statusbar)
-	ui.toolBar = qt.NewQToolBar(ui.MainWindow.QWidget)
-	toolBar__objectName := qt.NewQAnyStringView3("toolBar")
-	ui.toolBar.SetObjectName(*toolBar__objectName)
-	toolBar__objectName.Delete() // setter copied value
-	/* miqt-uic: no handler for toolBar property 'iconSize' */
-	ui.toolBar.SetToolButtonStyle(qt.ToolButtonIconOnly)
-	ui.MainWindow.AddToolBar(qt.TopToolBarArea, ui.toolBar)
-	/* miqt-uic: no handler for toolBar attribute 'toolBarBreak' */
-	ui.toolBar.QWidget.AddAction(ui.actionConnectionManager)
-	ui.toolBar.QWidget.AddAction(ui.actionConnect)
-	ui.toolBar.AddSeparator()
-	ui.toolBar.QWidget.AddAction(ui.actionRefresh)
-	ui.toolBar.QWidget.AddAction(ui.actionAddRow)
-	ui.toolBar.QWidget.AddAction(ui.actionDelete_row)
-	ui.toolBar.QWidget.AddAction(ui.actionApply_changes)
-	ui.toolBar.AddSeparator()
-	ui.toolBar.QWidget.AddAction(ui.mnuExecute)
+	ui.tbConnect = qt.NewQToolBar(ui.MainWindow.QWidget)
+	tbConnect__objectName := qt.NewQAnyStringView3("tbConnect")
+	ui.tbConnect.SetObjectName(*tbConnect__objectName)
+	tbConnect__objectName.Delete() // setter copied value
+	/* miqt-uic: no handler for tbConnect property 'iconSize' */
+	ui.tbConnect.SetToolButtonStyle(qt.ToolButtonIconOnly)
+	ui.tbConnect.SetFloatable(false)
+	ui.MainWindow.AddToolBar(qt.TopToolBarArea, ui.tbConnect)
+	/* miqt-uic: no handler for tbConnect attribute 'toolBarBreak' */
+	ui.tbConnect.QWidget.AddAction(ui.actionConnectionManager)
+	ui.tbConnect.QWidget.AddAction(ui.actionConnect)
+	ui.tbData = qt.NewQToolBar(ui.MainWindow.QWidget)
+	tbData__objectName := qt.NewQAnyStringView3("tbData")
+	ui.tbData.SetObjectName(*tbData__objectName)
+	tbData__objectName.Delete() // setter copied value
+	/* miqt-uic: no handler for tbData property 'iconSize' */
+	ui.tbData.SetFloatable(false)
+	ui.MainWindow.AddToolBar(qt.TopToolBarArea, ui.tbData)
+	/* miqt-uic: no handler for tbData attribute 'toolBarBreak' */
+	ui.tbData.QWidget.AddAction(ui.actionRefresh)
+	ui.tbData.QWidget.AddAction(ui.actionAddRow)
+	ui.tbData.QWidget.AddAction(ui.actionDelete_row)
+	ui.tbData.QWidget.AddAction(ui.actionSet_cell_to_null)
+	ui.tbData.QWidget.AddAction(ui.actionApply_changes)
+	ui.tbQuery = qt.NewQToolBar(ui.MainWindow.QWidget)
+	tbQuery__objectName := qt.NewQAnyStringView3("tbQuery")
+	ui.tbQuery.SetObjectName(*tbQuery__objectName)
+	tbQuery__objectName.Delete() // setter copied value
+	/* miqt-uic: no handler for tbQuery property 'iconSize' */
+	ui.tbQuery.SetFloatable(false)
+	ui.MainWindow.AddToolBar(qt.TopToolBarArea, ui.tbQuery)
+	/* miqt-uic: no handler for tbQuery attribute 'toolBarBreak' */
+	ui.tbQuery.QWidget.AddAction(ui.mnuExecute)
 
 	ui.Retranslate()
 
@@ -358,6 +389,7 @@ func (ui *MainWindowUi) Retranslate() {
 	ui.actionConnectionManager.SetText(qt.QMainWindow_Tr("Connection Manager"))
 	ui.actionConnectionManager.SetToolTip(qt.QMainWindow_Tr("Connection Manager"))
 	ui.actionCreate_Bolt_database_from_zip.SetText(qt.QMainWindow_Tr("Create Bolt database from zip"))
+	ui.actionSet_cell_to_null.SetText(qt.QMainWindow_Tr("Set cell to null"))
 	ui.tabWidget.SetTabText(ui.tabWidget.IndexOf(ui.tabProperties), qt.QTabWidget_Tr("Properties"))
 	ui.tabWidget.SetTabText(ui.tabWidget.IndexOf(ui.tabData), qt.QTabWidget_Tr("Data"))
 	ui.tabWidget.SetTabText(ui.tabWidget.IndexOf(ui.tabQuery), qt.QTabWidget_Tr("Query"))
@@ -366,5 +398,7 @@ func (ui *MainWindowUi) Retranslate() {
 	ui.menu_Help.SetTitle(qt.QMenuBar_Tr("&Help"))
 	ui.menu_Data.SetTitle(qt.QMenuBar_Tr("&Data"))
 	ui.menu_Tools.SetTitle(qt.QMenuBar_Tr("&Tools"))
-	ui.toolBar.SetWindowTitle(qt.QMainWindow_Tr("toolBar"))
+	ui.tbConnect.SetWindowTitle(qt.QMainWindow_Tr("Connection Toolbar"))
+	ui.tbData.SetWindowTitle(qt.QMainWindow_Tr("Data Toolbar"))
+	ui.tbQuery.SetWindowTitle(qt.QMainWindow_Tr("Query Toolbar"))
 }

mainwindow.ui

@@ -177,6 +177,7 @@
     <addaction name="separator"/>
     <addaction name="actionAddRow"/>
     <addaction name="actionDelete_row"/>
+    <addaction name="actionSet_cell_to_null"/>
     <addaction name="actionApply_changes"/>
    </widget>
    <widget class="QMenu" name="menu_Tools">
@@ -192,9 +193,9 @@
    <addaction name="menu_Help"/>
   </widget>
   <widget class="QStatusBar" name="statusbar"/>
-  <widget class="QToolBar" name="toolBar">
+  <widget class="QToolBar" name="tbConnect">
    <property name="windowTitle">
-    <string>toolBar</string>
+    <string>Connection Toolbar</string>
    </property>
    <property name="iconSize">
     <size>
@@ -205,6 +206,9 @@
    <property name="toolButtonStyle">
     <enum>Qt::ToolButtonStyle::ToolButtonIconOnly</enum>
    </property>
+   <property name="floatable">
+    <bool>false</bool>
+   </property>
    <attribute name="toolBarArea">
     <enum>TopToolBarArea</enum>
    </attribute>
@@ -213,12 +217,51 @@
    </attribute>
    <addaction name="actionConnectionManager"/>
    <addaction name="actionConnect"/>
-   <addaction name="separator"/>
+  </widget>
+  <widget class="QToolBar" name="tbData">
+   <property name="windowTitle">
+    <string>Data Toolbar</string>
+   </property>
+   <property name="iconSize">
+    <size>
+     <width>16</width>
+     <height>16</height>
+    </size>
+   </property>
+   <property name="floatable">
+    <bool>false</bool>
+   </property>
+   <attribute name="toolBarArea">
+    <enum>TopToolBarArea</enum>
+   </attribute>
+   <attribute name="toolBarBreak">
+    <bool>false</bool>
+   </attribute>
    <addaction name="actionRefresh"/>
    <addaction name="actionAddRow"/>
    <addaction name="actionDelete_row"/>
+   <addaction name="actionSet_cell_to_null"/>
    <addaction name="actionApply_changes"/>
-   <addaction name="separator"/>
+  </widget>
+  <widget class="QToolBar" name="tbQuery">
+   <property name="windowTitle">
+    <string>Query Toolbar</string>
+   </property>
+   <property name="iconSize">
+    <size>
+     <width>16</width>
+     <height>16</height>
+    </size>
+   </property>
+   <property name="floatable">
+    <bool>false</bool>
+   </property>
+   <attribute name="toolBarArea">
+    <enum>TopToolBarArea</enum>
+   </attribute>
+   <attribute name="toolBarBreak">
+    <bool>false</bool>
+   </attribute>
    <addaction name="mnuExecute"/>
   </widget>
   <action name="actionE_xit">
@@ -358,10 +401,26 @@
    </property>
   </action>
   <action name="actionCreate_Bolt_database_from_zip">
+   <property name="icon">
+    <iconset resource="embed.qrc">
+     <normaloff>:/assets/compress.png</normaloff>:/assets/compress.png</iconset>
+   </property>
    <property name="text">
     <string>Create Bolt database from zip</string>
    </property>
   </action>
+  <action name="actionSet_cell_to_null">
+   <property name="icon">
+    <iconset resource="embed.qrc">
+     <normaloff>:/assets/note_delete.png</normaloff>:/assets/note_delete.png</iconset>
+   </property>
+   <property name="text">
+    <string>Set cell to null</string>
+   </property>
+   <property name="menuRole">
+    <enum>QAction::MenuRole::NoRole</enum>
+   </property>
+  </action>
  </widget>
  <resources>
   <include location="embed.qrc"/>

sqliteclidriver/event.go

@@ -0,0 +1,94 @@
+package sqliteclidriver
+
+import (
+	"io"
+	"sync"
+)
+
+const (
+	evtypeStdout int = iota
+	evtypeStderr
+	evtypeExit
+)
+
+type processEvent struct {
+	evtype int
+	data   []byte
+	err    error
+}
+
+func (pe processEvent) Error() string {
+	if pe.err != nil {
+		return pe.err.Error()
+	}
+
+	if pe.evtype == evtypeStderr {
+		return string(pe.data)
+	}
+
+	return "<no error>"
+}
+
+func (pe processEvent) Unwrap() error {
+	return pe.err
+}
+
+//
+
+func handleEvents(pw io.WriteCloser, pr, pe io.Reader, waiter func() error) (<-chan processEvent, io.WriteCloser, error) {
+
+	chEvents := make(chan processEvent, 0)
+
+	var wg sync.WaitGroup
+
+	go func() {
+		defer wg.Done()
+		processEventWorker(pr, evtypeStdout, chEvents)
+	}()
+
+	go func() {
+		defer wg.Done()
+		processEventWorker(pe, evtypeStderr, chEvents)
+	}()
+	wg.Add(2)
+
+	go func() {
+		// Only call cmd.Wait() after pipes are closed
+		wg.Wait()
+
+		err := waiter()
+		chEvents <- processEvent{
+			evtype: evtypeExit,
+			err:    err,
+		}
+
+		close(chEvents)
+	}()
+
+	return chEvents, pw, nil
+}
+
+func processEventWorker(p io.Reader, evtype int, dest chan<- processEvent) {
+	for {
+		buf := make([]byte, 1024)
+		n, err := p.Read(buf)
+
+		if n > 0 {
+			dest <- processEvent{
+				evtype: evtype,
+				data:   buf[0:n],
+			}
+		}
+
+		if err != nil {
+			dest <- processEvent{
+				evtype: evtype,
+				err:    err,
+			}
+
+			// Assume all errors are permanent
+			// Ordering can produce either io.EOF, ErrClosedPipe, or PathError{"file already closed"}
+			return
+		}
+	}
+}

sqliteclidriver/eventcmd.go

@@ -3,40 +3,15 @@ package sqliteclidriver
 import (
 	"io"
 	"os/exec"
-	"sync"
 )
 
-const (
-	evtypeStdout int = iota
-	evtypeStderr
-	evtypeExit
-)
-
-type processEvent struct {
-	evtype int
-	data   []byte
-	err    error
+func LocalBinEvents(databasePath string) (<-chan processEvent, io.WriteCloser, error) {
+	// TODO find a way to strictly separate parameters and paths (`--` is not supported here)
+	cmd := exec.Command(`/usr/bin/sqlite3`, `-noheader`, `-json`, databasePath)
+	return execEvents(cmd)
 }
 
-func (pe processEvent) Error() string {
-	if pe.err != nil {
-		return pe.err.Error()
-	}
-
-	if pe.evtype == evtypeStderr {
-		return string(pe.data)
-	}
-
-	return "<no error>"
-}
-
-func (pe processEvent) Unwrap() error {
-	return pe.err
-}
-
-//
-
-func ExecEvents(cmd *exec.Cmd) (<-chan processEvent, io.WriteCloser, error) {
+func execEvents(cmd *exec.Cmd) (<-chan processEvent, io.WriteCloser, error) {
 
 	pw, err := cmd.StdinPipe()
 	if err != nil {
@@ -58,58 +33,5 @@ func ExecEvents(cmd *exec.Cmd) (<-chan processEvent, io.WriteCloser, error) {
 		return nil, nil, err
 	}
 
-	chEvents := make(chan processEvent, 0)
-
-	var wg sync.WaitGroup
-
-	go func() {
-		defer wg.Done()
-		processEventWorker(pr, evtypeStdout, chEvents)
-	}()
-
-	go func() {
-		defer wg.Done()
-		processEventWorker(pe, evtypeStderr, chEvents)
-	}()
-	wg.Add(2)
-
-	go func() {
-		// Only call cmd.Wait() after pipes are closed
-		wg.Wait()
-
-		err = cmd.Wait()
-		chEvents <- processEvent{
-			evtype: evtypeExit,
-			err:    err,
-		}
-
-		close(chEvents)
-	}()
-
-	return chEvents, pw, nil
-}
-
-func processEventWorker(p io.Reader, evtype int, dest chan<- processEvent) {
-	for {
-		buf := make([]byte, 1024)
-		n, err := p.Read(buf)
-
-		if n > 0 {
-			dest <- processEvent{
-				evtype: evtype,
-				data:   buf[0:n],
-			}
-		}
-
-		if err != nil {
-			dest <- processEvent{
-				evtype: evtype,
-				err:    err,
-			}
-
-			// Assume all errors are permanent
-			// Ordering can produce either io.EOF, ErrClosedPipe, or PathError{"file already closed"}
-			return
-		}
-	}
+	return handleEvents(pw, pr, pe, cmd.Wait)
 }

sqliteclidriver/eventcmd_test.go

@@ -13,7 +13,7 @@ import (
 func TestEventCmd(t *testing.T) {
 	cmd := exec.Command("/bin/bash", "-c", `echo "hello world"`)
 
-	ch, _, err := ExecEvents(cmd)
+	ch, _, err := execEvents(cmd)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -36,7 +36,7 @@ func TestEventCmd(t *testing.T) {
 func TestEventCmdStdin(t *testing.T) {
 	cmd := exec.Command("/usr/bin/tr", "a-z", "A-Z")
 
-	ch, pw, err := ExecEvents(cmd)
+	ch, pw, err := execEvents(cmd)
 	if err != nil {
 		t.Fatal(err)
 	}

sqliteclidriver/eventssh.go

@@ -0,0 +1,94 @@
+package sqliteclidriver
+
+import (
+	"context"
+	"database/sql"
+	"database/sql/driver"
+	"fmt"
+	"io"
+	"strconv"
+
+	"golang.org/x/crypto/ssh"
+)
+
+func SSHEvents(cl *ssh.Client, databasePath string) (<-chan processEvent, io.WriteCloser, error) {
+	// Client must have already been Dial()'ed
+
+	ses, err := cl.NewSession()
+	if err != nil {
+		return nil, nil, fmt.Errorf("NewSession: %w", err)
+	}
+
+	pw, err := ses.StdinPipe()
+	if err != nil {
+		return nil, nil, fmt.Errorf("StdinPipe: %w", err)
+	}
+
+	pr, err := ses.StdoutPipe()
+	if err != nil {
+		return nil, nil, fmt.Errorf("StdoutPipe: %w", err)
+	}
+
+	pe, err := ses.StderrPipe()
+	if err != nil {
+		return nil, nil, fmt.Errorf("StderrPipe: %w", err)
+	}
+
+	// FIXME use accurate Bash escaping
+	// TODO find a way to strictly separate parameters and paths (`--` is not supported here)
+	ses.Start(`/usr/bin/sqlite3 -noheader -json "` + strconv.Quote(databasePath) + `"`)
+
+	return handleEvents(pw, pr, pe, ses.Wait)
+}
+
+//
+
+type sshDriver struct {
+	cl *ssh.Client
+}
+
+func (d *sshDriver) Open(connectionString string) (driver.Conn, error) {
+	// TODO support custom binpath from our connection string
+	chEvents, pw, err := SSHEvents(d.cl, connectionString)
+	if err != nil {
+		return nil, err
+	}
+
+	return &SCConn{
+		listen: chEvents,
+		w:      pw,
+	}, nil
+}
+
+var _ driver.Driver = &sshDriver{} // interface assertion
+
+//
+
+type sshConnector struct {
+	connectionString string
+	driver           *sshDriver
+}
+
+func (c *sshConnector) Connect(context.Context) (driver.Conn, error) {
+	// FIXME support context
+	return c.driver.Open(c.connectionString)
+}
+
+func (c *sshConnector) Driver() driver.Driver {
+	return c.driver
+}
+
+var _ driver.Connector = &sshConnector{} // interface assertion
+
+//
+
+// OpenSSH opens an sql.DB connection over SSH using the supplied ssh.Client
+// object.
+func OpenSSH(cl *ssh.Client, databasePath string) *sql.DB {
+	return sql.OpenDB(&sshConnector{
+		connectionString: databasePath,
+		driver: &sshDriver{
+			cl: cl,
+		},
+	})
+}

sqliteclidriver/sqliteclidriver.go

@@ -21,25 +21,26 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"os/exec"
+	"reflect"
 
 	"qbolt/lexer"
 
 	"github.com/google/uuid"
 )
 
+const DriverName = `sqliteclidriver`
+
 var ErrNotSupported = errors.New("Not supported")
 
 //
 
+// SCDriver is a thing that can open connections to the database for a given
+// connection string. It has no particular state.
 type SCDriver struct{}
 
 func (d *SCDriver) Open(connectionString string) (driver.Conn, error) {
 	// TODO support custom binpath from our connection string
-
-	cmd := exec.Command(`/usr/bin/sqlite3`, `-noheader`, `-json`, connectionString) // n.b. doesn't support `--`
-
-	chEvents, pw, err := ExecEvents(cmd)
+	chEvents, pw, err := LocalBinEvents(connectionString)
 	if err != nil {
 		return nil, err
 	}
@@ -53,17 +54,21 @@ func (d *SCDriver) Open(connectionString string) (driver.Conn, error) {
 var _ driver.Driver = &SCDriver{} // interface assertion
 
 func init() {
-	sql.Register("sqliteclidriver", &SCDriver{})
+	sql.Register(DriverName, &SCDriver{})
 }
 
 //
 
+// SCConnector is a container holding a driver and connection string together.
+// It is the result of parsing a sql.Open(driverName, connectionString) call
+// and has not parsed anything.
 type SCConnector struct {
 	connectionString string
 	driver           *SCDriver
 }
 
 func (c *SCConnector) Connect(context.Context) (driver.Conn, error) {
+	// FIXME support context
 	return c.driver.Open(c.connectionString)
 }
 
@@ -75,6 +80,7 @@ var _ driver.Connector = &SCConnector{} // interface assertion
 
 //
 
+// SCConn represents a single, active, open, connection to the database.
 type SCConn struct {
 	listen <-chan processEvent
 	w      io.WriteCloser
@@ -376,3 +382,15 @@ func (r *SCRows) Next(dest []driver.Value) error {
 	r.idx++
 	return nil
 }
+
+func (r *SCRows) ColumnTypeDatabaseTypeName(index int) string {
+	return "BLOB" // FIXME We are not type-safe
+}
+
+func (r *SCRows) ColumnTypeScanType(index int) reflect.Type {
+	return reflect.TypeOf([]byte{})
+}
+
+func (r *SCRows) ColumnTypeNullable(index int) (nullable, ok bool) {
+	return true, true // FIXME
+}

sshTunnel.go

@@ -21,24 +21,24 @@ type SSHTunnel struct {
 		Type     autoconfig.OneOf
 		Password *struct {
 			Password autoconfig.Password
-		}
+		} `yicon:":/assets/key.png" json:",omitempty"`
 		PrivateKeyExternal *struct {
 			PrivateKeyFile         autoconfig.ExistingFile `ylabel:"Private Key"`
 			PrivateKeyFilePassword autoconfig.Password     `ylabel:"Password (optional)"`
-		} `ylabel:"Private key (External)"`
+		} `ylabel:"Private key (External)" yicon:":/assets/page_key.png" json:",omitempty"`
 		PrivateKeyInternal *struct {
 			PrivateKeyContent         autoconfig.MultiLineString `ylabel:"Private Key"`
 			PrivateKeyContentPassword autoconfig.Password        `ylabel:"Password (optional)"`
-		} `ylabel:"Private key (Internal)"`
-		SSHAgent *sshAgentConn `ylabel:"SSH Agent"`
+		} `ylabel:"Private key (Internal)" yicon:":/assets/page_key.png" json:",omitempty"`
+		SSHAgent *sshAgentConn `ylabel:"SSH Agent" yicon:":/assets/vendor_ssh.png" json:",omitempty"`
 	}
 	H2               autoconfig.Header `ylabel:"Server host key:" json:",omitempty"`
 	HostVerification struct {
 		Type                   autoconfig.OneOf
-		InsecureSkipVerify     *struct{}
+		InsecureSkipVerify     *struct{} `json:",omitempty"`
 		ExternalKnownHostsFile *struct {
 			Path autoconfig.ExistingFile
-		}
+		} `json:",omitempty"`
 	}
 }
 

table.go

@@ -7,6 +7,7 @@ import (
 type TableColumn interface {
 	SetRowCount(newlen int)
 	SetCell(aRow int, data any)
+	GetCell(aRow int) any // only needed for editing
 	Display(aRow int) *qt.QVariant
 	Inspect(parent *qt.QWidget, aRow int)
 	ApplySimpleChange(aRow int, data *qt.QVariant)
@@ -14,22 +15,21 @@ type TableColumn interface {
 	IndicateBlue() bool
 }
 
+type EditAdvancedTableColumn interface {
+	CreateEditor(parent *qt.QWidget, aRow int, resolve, reject func())
+}
+
+type NullableTableColumn interface {
+	CellIsNull(aRow int) bool
+}
+
 const (
 	CO_INSERT        = qt.Yellow
 	CO_EDIT_IMPLICIT = qt.Green
 	CO_EDIT_EXPLICIT = qt.DarkGreen
 	CO_DELETE        = qt.Red
 	CO_OBJECT        = qt.Blue
-)
-
-type columnType int
-
-const (
-	columnType_invalid columnType = iota
-	columnType_inlineText
-	columnType_bsonDoc
-	columnType_popupData
-	// TODO add a column type for map[string]string that can show content in a mini popup?? (Useful for redis + secretsvc)
+	CO_CELL_NULL     = qt.Gray
 )
 
 type tableState struct {
@@ -48,19 +48,19 @@ type tableState struct {
 	model *qt.QAbstractTableModel
 	tbl   *qt.QTableView
 
-	dg_normal, dg_bson, dg_binary *qt.QAbstractItemDelegate
+	dg_advanced *qt.QAbstractItemDelegate
 }
 
 // SetupColumns resets the table's content.
 // It preserves the OnEdited callback
-func (ts *tableState) SetupColumns(columns []columnType, labels []string) {
+func (ts *tableState) SetupColumns(columns []TableColumn, labels []string) {
 
 	if ts.tbl.IsEnabled() {
 		ts.tbl.SetEnabled(false)
 		ts.model.BeginResetModel()
 	}
 
-	ts.columns = make([]TableColumn, len(columns))
+	ts.columns = columns
 	ts.columnLabels = labels
 
 	ts.SetAllowEditing(false)
@@ -69,44 +69,25 @@ func (ts *tableState) SetupColumns(columns []columnType, labels []string) {
 	ts.deleteRows = make(map[int]struct{}, 0)
 	ts.primaryKeys = nil
 
-	for aCol, ctype := range columns {
-		switch ctype {
-		case columnType_inlineText:
+	for aCol, _ := range columns {
 
-			ts.columns[aCol] = &stringColumn{}
-
-			// Reset renderer to something like the default Qt one
-			// Persist the delegate for the lifetime of this tableState - the
-			// QTableView does not take ownership of a supplied delegate(??)
-			// TODO is that true? Then why are we passing in the parent?
-			if ts.dg_normal == nil {
-				ts.dg_normal = qt.NewQStyledItemDelegate2(ts.tbl.QObject).QAbstractItemDelegate
+		// Column types that implement the EditAdvancedTableColumn interface
+		// get hooked up to the custom delegate renderer
+		if _, ok := ts.columns[aCol].(EditAdvancedTableColumn); ok {
+			if ts.dg_advanced == nil {
+				// Persist the delegate for the lifetime of this tableState
+				ts.dg_advanced = table_makeAdvancedEditorItemDelegate(ts, ts.tbl.QObject)
 			}
-			ts.tbl.SetItemDelegateForColumn(aCol, ts.dg_normal)
 
-		case columnType_popupData:
-			ts.columns[aCol] = &binColumn{}
+			ts.tbl.SetItemDelegateForColumn(aCol, ts.dg_advanced)
 
-			if ts.dg_binary == nil {
-				ts.dg_binary = table_makeBinaryItemDelegate(ts, ts.tbl.QObject)
-			}
-			ts.tbl.SetItemDelegateForColumn(aCol, ts.dg_binary)
-
-		case columnType_bsonDoc:
-			ts.columns[aCol] = &bsonColumn{}
-
-			if ts.dg_bson == nil {
-				ts.dg_bson = table_makeBsonItemDelegate(ts, ts.tbl.QObject)
-			}
-			ts.tbl.SetItemDelegateForColumn(aCol, ts.dg_bson)
-
-		default:
-			panic("bad columnType")
+		} else {
+			// Reset renderer to the default Qt one
+			ts.tbl.SetItemDelegateForColumn(aCol, nil)
 		}
 	}
 
 	ts.SetRowCount(0) // populate slices
-
 }
 
 func (ts *tableState) SetAllowEditing(allow bool) {
@@ -187,9 +168,9 @@ func (ts *tableState) SetRowPrimaryKey(aRow int, data []byte) {
 
 func (ts *tableState) Wipeout() {
 	ts.SetupColumns(
-		[]columnType{
-			columnType_inlineText,
-			columnType_popupData,
+		[]TableColumn{
+			&stringColumn{},
+			&binColumn{},
 		},
 		[]string{"Key", "Value"},
 	)
@@ -317,6 +298,10 @@ func NewTableState(tbl *qt.QTableView) *tableState {
 				return qt.NewQColor2(CO_OBJECT).ToQVariant()
 			}
 
+			if supportsNull, ok := ts.columns[aCol].(NullableTableColumn); ok && supportsNull.CellIsNull(aRow) {
+				return qt.NewQColor2(CO_CELL_NULL).ToQVariant()
+			}
+
 			return qt.NewQVariant() // just default
 
 		case int(qt.EditRole):
@@ -423,3 +408,58 @@ func NewTableState(tbl *qt.QTableView) *tableState {
 
 	return &ts
 }
+
+func table_makeAdvancedEditorItemDelegate(ts *tableState, parent *qt.QObject) *qt.QAbstractItemDelegate {
+
+	zombie := qt.NewQStyledItemDelegate2(parent)
+
+	zombie.OnCreateEditor(func(super func(parent *qt.QWidget, option *qt.QStyleOptionViewItem, index *qt.QModelIndex) *qt.QWidget, parent *qt.QWidget, option *qt.QStyleOptionViewItem, index *qt.QModelIndex) *qt.QWidget {
+		// return a custom editor widget
+
+		aCol, aRow := index.Column(), index.Row()
+
+		self := ts.columns[aCol].(EditAdvancedTableColumn)
+
+		// The widget here is rendered stacked on top of the cell's existing DisplayRole
+		// It doesn't replace it
+		editor := qt.NewQLabel(parent)
+		editor.SetAutoFillBackground(true) // Hide parent
+		editor.SetText("Editing...")
+
+		self.CreateEditor(
+			editor.QWidget,
+			aRow,
+			func() {
+				// Signal success/finished editing
+				zombie.CommitData(editor.QWidget)
+				zombie.CloseEditor2(editor.QWidget, qt.QAbstractItemDelegate__NoHint)
+			},
+			func() {
+				// close editor, without, signalling commitData (this was readonly)
+				//zombie.CommitData(editor.QWidget)
+				zombie.CloseEditor2(editor.QWidget, qt.QAbstractItemDelegate__NoHint)
+			},
+		)
+
+		return editor.QWidget
+	})
+
+	zombie.OnSetEditorData(func(super func(editor *qt.QWidget, index *qt.QModelIndex), editor *qt.QWidget, index *qt.QModelIndex) {
+		// TODO we may want to conditionally do nothing here??
+		super(editor, index)
+	})
+
+	zombie.OnSetModelData(func(super func(editor *qt.QWidget, model *qt.QAbstractItemModel, index *qt.QModelIndex), editor *qt.QWidget, model *qt.QAbstractItemModel, index *qt.QModelIndex) {
+		// TODO we may want to conditionally do nothing here??
+		super(editor, model, index) // Save
+	})
+
+	zombie.OnUpdateEditorGeometry(func(super func(editor *qt.QWidget, option *qt.QStyleOptionViewItem, index *qt.QModelIndex), editor *qt.QWidget, option *qt.QStyleOptionViewItem, index *qt.QModelIndex) {
+		// after having created our custom editor, set the widget's size as per the table column
+		editor.SetGeometryWithGeometry(option.Rect())
+
+		// super(editor, option, index)
+	})
+
+	return zombie.QAbstractItemDelegate
+}

table_binary.go

@@ -20,14 +20,26 @@ func (bc *binColumn) SetRowCount(newlen int) {
 func (bc *binColumn) SetCell(aRow int, data any) {
 	str, ok := data.([]byte)
 	if !ok {
-		panic("bad data type")
+		panic(fmt.Sprintf("bad data type (got %T)", data))
 	}
 
 	bc.vals[aRow] = str
 }
 
+func (bc *binColumn) GetCell(aRow int) any {
+	return bc.vals[aRow]
+}
+
 func (bc *binColumn) Display(aRow int) *qt.QVariant {
-	return qt.NewQVariant11(formatUtf8(bc.vals[aRow]))
+	const showLen = 140
+
+	cell := bc.vals[aRow]
+
+	if len(cell) > showLen {
+		return qt.NewQVariant11(formatUtf8(cell[0:showLen]) + "...")
+	}
+
+	return qt.NewQVariant11(formatUtf8(cell))
 }
 
 func (bc *binColumn) Inspect(parent *qt.QWidget, aRow int) {
@@ -51,126 +63,61 @@ func (bc *binColumn) IndicateBlue() bool {
 	return false
 }
 
-var _ TableColumn = &binColumn{}
+func (bc *binColumn) CreateEditor(parent *qt.QWidget, aRow int, resolve, reject func()) {
 
-func table_makeBinaryItemDelegate(ts *tableState, parent *qt.QObject) *qt.QAbstractItemDelegate {
+	// Only called if allowEdit=true
 
-	const (
-		ActionMode__invalid      int = iota
-		ActionMode_Text_Readonly     // Always a popup, otherwise you would just look at it
-		ActionMode_Text_Editable_Popup
-		//ActionMode_Text_Editable_Inline // TODO
-		ActionMode_Hex_Readonly
-	)
+	bslice := bc.vals[aRow]
 
-	const ActionModeProperty string = `x-am`
+	// Check if this contains valid UTF-8 data.
+	// If so, show in a multiline text editor
+	// If not, use the hexview popup + reject all edits
 
-	zombie := qt.NewQStyledItemDelegate2(parent)
+	isText := utf8.Valid(bslice)
 
-	zombie.OnCreateEditor(func(super func(parent *qt.QWidget, option *qt.QStyleOptionViewItem, index *qt.QModelIndex) *qt.QWidget, parent *qt.QWidget, option *qt.QStyleOptionViewItem, index *qt.QModelIndex) *qt.QWidget {
-		// return a custom editor widget
-
-		aCol, aRow := index.Column(), index.Row()
-
-		self := ts.columns[aCol].(*binColumn)
-
-		bslice := self.vals[aRow]
-
-		// Check if this contains valid UTF-8 data.
-		// If so, show in a multiline text editor + allow editing if this tableState allowed editing
-		// If not, use the hexview popup
-
-		isText := utf8.Valid(bslice)
-
-		// The widget here is rendered stacked on top of the cell's existing DisplayRole
-		// It doesn't replace it
-		editor := qt.NewQLabel(parent)
-		editor.SetAutoFillBackground(true) // Hide parent
-
-		if isText && !ts.allowEdit {
-
-			editor.SetProperty(ActionModeProperty, qt.NewQVariant4(ActionMode_Text_Readonly))
-			editor.SetText("Viewing...")
-
-			// TODO
-
-		} else if isText && ts.allowEdit {
-
-			editor.SetProperty(ActionModeProperty, qt.NewQVariant4(ActionMode_Text_Editable_Popup))
-			editor.SetText("Editing...")
-
-			var textEdit autoconfig.MultiLineString
-			textEdit = autoconfig.MultiLineString(string(bslice))
-
-			autoconfig.OpenDialog(&textEdit, editor.QWidget, APPNAME, func() {
-				// Store change directly back into column store
-				self.vals[aRow] = []byte(string(textEdit))
-
-				// Signal success/finished editing
-				zombie.CommitData(editor.QWidget)
-				zombie.CloseEditor2(editor.QWidget, qt.QAbstractItemDelegate__NoHint)
-			})
-
-		} else {
-			// Binary data
-			// Popup hexview
-			editor.SetProperty(ActionModeProperty, qt.NewQVariant4(ActionMode_Hex_Readonly))
-			editor.SetText("Viewing...")
-
-			dlg := qt.NewQDialog(parent)
-			dlg.SetModal(true)
-			dlg.SetWindowTitle(fmt.Sprintf("%s - Hex view (%d bytes)", APPNAME, len(bslice)))
-			dlg.SetContentsMargins(0, 0, 0, 0)
-			layout := qt.NewQGridLayout(dlg.QWidget)
-			layout.SetContentsMargins(0, 0, 0, 0)
-			dlg.SetLayout(layout.QLayout)
-
-			hxvw := vcl_hexview(nil, bytes.NewReader(bslice), int64(len(bslice)))
-			layout.AddWidget2(hxvw, 0, 0)
-
-			// Dialog should be, by default, big enough to show the whole table at once
-			// Slightly overshoots on Breeze theme with default fonts
-			// TODO figure out the real width accurately
-			dlg.SetMinimumWidth(700)
-
-			dlg.Show()
-			dlg.OnFinished(func(_ int) {
-				// close editor, without, signalling commitData (this was readonly)
-				//zombie.CommitData(editor.QWidget)
-				zombie.CloseEditor2(editor.QWidget, qt.QAbstractItemDelegate__NoHint)
-			})
+	if isText {
 
+		var textEdit struct {
+			Value autoconfig.MultiLineString `ylabel:""`
 		}
-		return editor.QWidget
-	})
 
-	zombie.OnSetEditorData(func(super func(editor *qt.QWidget, index *qt.QModelIndex), editor *qt.QWidget, index *qt.QModelIndex) {
-		actionType := editor.Property("x-am").ToInt()
-		switch actionType {
-		case ActionMode_Text_Readonly:
-		// TODO
-		case ActionMode_Text_Editable_Popup:
-			super(editor, index) // Save
-		case ActionMode_Hex_Readonly:
-			// do nothing
-		default:
-			panic("bad actionMode in editor delegate widget")
-		}
-	})
+		textEdit.Value = autoconfig.MultiLineString(string(bslice))
 
-	zombie.OnSetModelData(func(super func(editor *qt.QWidget, model *qt.QAbstractItemModel, index *qt.QModelIndex), editor *qt.QWidget, model *qt.QAbstractItemModel, index *qt.QModelIndex) {
-		actionType := editor.Property("x-am").ToInt()
-		switch actionType {
-		case ActionMode_Text_Readonly:
-		// TODO
-		case ActionMode_Text_Editable_Popup:
-			super(editor, model, index) // Save
-		case ActionMode_Hex_Readonly:
-			// do nothing
-		default:
-			panic("bad actionMode in editor delegate widget")
-		}
-	})
+		autoconfig.OpenDialog(&textEdit, parent, APPNAME, func() {
+			// Store change directly back into column store
+			bc.vals[aRow] = []byte(string(textEdit.Value))
 
-	return zombie.QAbstractItemDelegate
+			// Signal success/finished editing
+			resolve()
+		})
+
+	} else {
+		// Binary data
+		// Popup hexview
+		dlg := qt.NewQDialog(parent)
+		dlg.SetModal(true)
+		dlg.SetWindowTitle(fmt.Sprintf("%s - Hex view (%d bytes)", APPNAME, len(bslice)))
+		dlg.SetContentsMargins(0, 0, 0, 0)
+		layout := qt.NewQGridLayout(dlg.QWidget)
+		layout.SetContentsMargins(0, 0, 0, 0)
+		dlg.SetLayout(layout.QLayout)
+
+		hxvw := vcl_hexview(nil, bytes.NewReader(bslice), int64(len(bslice)))
+		layout.AddWidget2(hxvw, 0, 0)
+
+		// Dialog should be, by default, big enough to show the whole table at once
+		// Slightly overshoots on Breeze theme with default fonts
+		// TODO figure out the real width accurately
+		dlg.SetMinimumWidth(700)
+
+		dlg.Show()
+		dlg.OnFinished(func(_ int) {
+			// close editor, without, signalling commitData (this was readonly)
+			reject()
+		})
+
+	}
 }
+
+var _ TableColumn = &binColumn{}
+var _ EditAdvancedTableColumn = &binColumn{} // interface assertion

table_bson.go

@@ -26,6 +26,10 @@ func (bc *bsonColumn) SetCell(aRow int, data any) {
 	bc.vals[aRow] = obj
 }
 
+func (bc *bsonColumn) GetCell(aRow int) any {
+	return bc.vals[aRow]
+}
+
 func (bc *bsonColumn) Display(aRow int) *qt.QVariant {
 	return qt.NewQVariant11(fmt.Sprintf("BSON (%d keys)", len(bc.vals[aRow])))
 }
@@ -79,64 +83,20 @@ func (bc *bsonColumn) IndicateBlue() bool {
 	return true
 }
 
-var _ TableColumn = &bsonColumn{}
+func (bc *bsonColumn) CreateEditor(parent *qt.QWidget, aRow int, resolve, reject func()) {
 
-func table_makeBsonItemDelegate(ts *tableState, parent *qt.QObject) *qt.QAbstractItemDelegate {
-	zombie := qt.NewQStyledItemDelegate2(parent)
+	// TODO this is not currently being called because MongoDB is not marked
+	// as being editable
 
-	zombie.OnCreateEditor(func(super func(parent *qt.QWidget, option *qt.QStyleOptionViewItem, index *qt.QModelIndex) *qt.QWidget, parent *qt.QWidget, option *qt.QStyleOptionViewItem, index *qt.QModelIndex) *qt.QWidget {
-		// return a custom editor widget
+	ptr_bData := &bc.vals[aRow]
 
-		aCol, aRow := index.Column(), index.Row()
-
-		self := ts.columns[aCol].(*bsonColumn)
-		ptr_bData := &self.vals[aRow]
-
-		// The widget here is rendered stacked on top of the cell's existing DisplayRole
-		// It doesn't replace it
-
-		foo := qt.NewQLabel(parent)
-		foo.SetAutoFillBackground(true) // Hide parent
-		foo.SetText("Editing...")
-
-		autoconfig.OpenDialog(ptr_bData, foo.QWidget, APPNAME, func() {
-			// onFinished
-			// We're already working with the data in-pointer, nothing to do here
-			// However - signal to the model that it's finished,
-
-			zombie.CommitData(foo.QWidget)
-			zombie.CloseEditor2(foo.QWidget, qt.QAbstractItemDelegate__NoHint)
-		})
-
-		return foo.QWidget
-
-		// return the default editor widget
-		//return super(parent, option, index)
+	autoconfig.OpenDialog(ptr_bData, parent, APPNAME, func() {
+		// onFinished
+		// We're already working with the data in-pointer, nothing to do here
+		// However - signal to the model that it's finished,
+		resolve()
 	})
-
-	zombie.OnSetEditorData(func(super func(editor *qt.QWidget, index *qt.QModelIndex), editor *qt.QWidget, index *qt.QModelIndex) {
-		// populate the custom editor with the table's current data
-		// DO NOTHING HERE - we have already set the data internally
-
-		// This calls onSetData
-		super(editor, index)
-	})
-
-	zombie.OnSetModelData(func(super func(editor *qt.QWidget, model *qt.QAbstractItemModel, index *qt.QModelIndex), editor *qt.QWidget, model *qt.QAbstractItemModel, index *qt.QModelIndex) {
-		// the table has requested to save data from the editor back into the model
-		// DO NOTHING HERE - autoconfig{} has already updated the data internally -
-		// However we do need to trigger model.OnSetData so that the green colour shows?
-		// FIXME
-
-		super(editor, model, index)
-	})
-
-	zombie.OnUpdateEditorGeometry(func(super func(editor *qt.QWidget, option *qt.QStyleOptionViewItem, index *qt.QModelIndex), editor *qt.QWidget, option *qt.QStyleOptionViewItem, index *qt.QModelIndex) {
-		// after having created our custom editor, set the widget's size as per the table column
-		editor.SetGeometryWithGeometry(option.Rect())
-
-		// super(editor, option, index)
-	})
-
-	return zombie.QAbstractItemDelegate
 }
+
+var _ TableColumn = &bsonColumn{}
+var _ EditAdvancedTableColumn = &binColumn{} // interface assertion

table_dynamic.go

@@ -0,0 +1,76 @@
+package main
+
+import (
+	"fmt"
+
+	qt "github.com/mappu/miqt/qt6"
+)
+
+type dynamicColumn struct {
+	vals []any
+}
+
+func (sc *dynamicColumn) SetRowCount(newlen int) {
+	sc.vals = slice_set_len(sc.vals, newlen)
+}
+
+func (sc *dynamicColumn) SetCell(aRow int, data any) {
+	sc.vals[aRow] = data
+}
+
+func (bc *dynamicColumn) GetCell(aRow int) any {
+	return bc.vals[aRow]
+}
+
+func (sc *dynamicColumn) Display(aRow int) *qt.QVariant {
+	return sc.SimpleEditData(aRow) // same as Qt::EditDataRole
+}
+
+func (sc *dynamicColumn) Inspect(parent *qt.QWidget, aRow int) {
+	// do nothing
+}
+
+func (sc *dynamicColumn) SimpleEditData(aRow int) *qt.QVariant {
+	// Try and format this usefully for display
+	switch vv := sc.vals[aRow].(type) {
+	case string:
+		return qt.NewQVariant11(vv)
+
+	case []byte:
+		return qt.NewQVariant12(vv) // TODO can we switch to the dynamic editor - just for this cell?
+
+	case int64:
+		return qt.NewQVariant6(vv)
+
+	case bool:
+		return qt.NewQVariant8(vv)
+
+	default:
+		panic(fmt.Sprintf("dynamicColumn missing handling for type %T", vv))
+	}
+}
+
+func (sc *dynamicColumn) ApplySimpleChange(aRow int, data *qt.QVariant) {
+	switch vv := sc.vals[aRow].(type) {
+	case string:
+		sc.vals[aRow] = data.ToString()
+
+	case []byte:
+		sc.vals[aRow] = data.ToByteArray()
+
+	case int64:
+		sc.vals[aRow] = data.ToLongLong()
+
+	case bool:
+		sc.vals[aRow] = data.ToBool()
+
+	default:
+		panic(fmt.Sprintf("dynamicColumn missing handling for type %T", vv))
+	}
+}
+
+func (sc *dynamicColumn) IndicateBlue() bool {
+	return false
+}
+
+var _ TableColumn = &dynamicColumn{}

table_gomodule.go

@@ -0,0 +1,54 @@
+package main
+
+import (
+	qt "github.com/mappu/miqt/qt6"
+)
+
+type goModuleColumn struct {
+	vals []string
+}
+
+func (sc *goModuleColumn) SetRowCount(newlen int) {
+	sc.vals = slice_set_len(sc.vals, newlen)
+}
+
+func (sc *goModuleColumn) SetCell(aRow int, data any) {
+	str, ok := data.(string)
+	if !ok {
+		panic("bad data type")
+	}
+
+	sc.vals[aRow] = str
+}
+
+func (sc *goModuleColumn) GetCell(aRow int) any {
+	return sc.vals[aRow]
+}
+
+func (sc *goModuleColumn) Display(aRow int) *qt.QVariant {
+	return qt.NewQVariant11(sc.vals[aRow])
+}
+
+func (sc *goModuleColumn) Inspect(parent *qt.QWidget, aRow int) {
+	// Convert the 'go mod' URL into a (probable) web URL
+	urlStr := `https://` + sc.vals[aRow] + `/`
+
+	url := qt.NewQUrl3(urlStr)
+	qt.QDesktopServices_OpenUrl(url) // ignore return value
+}
+
+func (sc *goModuleColumn) SimpleEditData(aRow int) *qt.QVariant {
+	// Works directly with the simple (inline) editor, not a custom editor
+	return qt.NewQVariant11(sc.vals[aRow])
+}
+
+func (sc *goModuleColumn) ApplySimpleChange(aRow int, data *qt.QVariant) {
+	// Works directly with the simple (inline) editor, not a custom editor
+	sc.vals[aRow] = data.ToString()
+}
+
+func (sc *goModuleColumn) IndicateBlue() bool {
+	return true
+}
+
+var _ TableColumn = &goModuleColumn{}

table_int64.go

@@ -0,0 +1,62 @@
+package main
+
+import (
+	"fmt"
+
+	qt "github.com/mappu/miqt/qt6"
+)
+
+type int64Column struct {
+	vals []int64
+}
+
+func (sc *int64Column) SetRowCount(newlen int) {
+	sc.vals = slice_set_len(sc.vals, newlen)
+}
+
+func (sc *int64Column) SetCell(aRow int, data any) {
+	str, ok := data.(int64)
+	if !ok {
+		panic(fmt.Sprintf("bad data type (got %T)", data))
+	}
+
+	sc.vals[aRow] = str
+}
+
+func (bc *int64Column) GetCell(aRow int) any {
+	return bc.vals[aRow]
+}
+
+func (sc *int64Column) Display(aRow int) *qt.QVariant {
+	// TODO this does not seem sufficient to get QTableView to create a spinbox
+	// widget by itself
+	// This may be related to QSpinBox having 32-bit precision
+	//return qt.NewQVariant4(int(sc.vals[aRow]))
+	return qt.NewQVariant6(sc.vals[aRow])
+}
+
+func (sc *int64Column) Inspect(parent *qt.QWidget, aRow int) {
+	// do nothing
+}
+
+func (sc *int64Column) SimpleEditData(aRow int) *qt.QVariant {
+	// Works directly with the simple (inline) editor, not a custom editor
+	return qt.NewQVariant6(sc.vals[aRow])
+}
+
+func (sc *int64Column) ApplySimpleChange(aRow int, data *qt.QVariant) {
+	// Works directly with the simple (inline) editor, not a custom editor
+	var ok bool
+	val := data.ToLongLongWithOk(&ok)
+	if !ok {
+		panic("Table provided non-numeric data")
+	}
+
+	sc.vals[aRow] = val
+}
+
+func (sc *int64Column) IndicateBlue() bool {
+	return false
+}
+
+var _ TableColumn = &int64Column{}

table_sqlnullint64.go

@@ -0,0 +1,70 @@
+package main
+
+import (
+	"database/sql"
+	"fmt"
+
+	qt "github.com/mappu/miqt/qt6"
+)
+
+type sqlNullInt64Column struct {
+	vals []sql.NullInt64
+}
+
+func (sc *sqlNullInt64Column) SetRowCount(newlen int) {
+	sc.vals = slice_set_len(sc.vals, newlen)
+}
+
+func (sc *sqlNullInt64Column) SetCell(aRow int, data any) {
+	str, ok := data.(sql.NullInt64)
+	if !ok {
+		panic(fmt.Sprintf("bad data type (got %T)", data))
+	}
+
+	sc.vals[aRow] = str
+}
+
+func (bc *sqlNullInt64Column) GetCell(aRow int) any {
+	return bc.vals[aRow]
+}
+
+func (sc *sqlNullInt64Column) Display(aRow int) *qt.QVariant {
+	cell := sc.vals[aRow]
+	if cell.Valid {
+		return qt.NewQVariant6(cell.Int64)
+	} else {
+		return qt.NewQVariant11("NULL") // TODO render this somehow differently?
+	}
+}
+
+func (sc *sqlNullInt64Column) CellIsNull(aRow int) bool {
+	return !sc.vals[aRow].Valid
+}
+
+func (sc *sqlNullInt64Column) Inspect(parent *qt.QWidget, aRow int) {
+	// do nothing
+}
+
+func (sc *sqlNullInt64Column) SimpleEditData(aRow int) *qt.QVariant {
+	// Works directly with the simple (inline) editor, not a custom editor
+
+	cell := sc.vals[aRow]
+	if cell.Valid {
+		return qt.NewQVariant6(cell.Int64)
+	} else {
+		return qt.NewQVariant6(0)
+	}
+}
+
+func (sc *sqlNullInt64Column) ApplySimpleChange(aRow int, data *qt.QVariant) {
+	// Works directly with the simple (inline) editor, not a custom editor
+	val := data.ToLongLong()
+	sc.vals[aRow] = sql.NullInt64{Int64: val, Valid: true}
+}
+
+func (sc *sqlNullInt64Column) IndicateBlue() bool {
+	return false
+}
+
+var _ TableColumn = &sqlNullInt64Column{}
+var _ NullableTableColumn = &sqlNullInt64Column{}

table_sqlnullstring.go

@@ -0,0 +1,70 @@
+package main
+
+import (
+	"database/sql"
+	"fmt"
+
+	qt "github.com/mappu/miqt/qt6"
+)
+
+type sqlNullStringColumn struct {
+	vals []sql.NullString
+}
+
+func (sc *sqlNullStringColumn) SetRowCount(newlen int) {
+	sc.vals = slice_set_len(sc.vals, newlen)
+}
+
+func (sc *sqlNullStringColumn) SetCell(aRow int, data any) {
+	str, ok := data.(sql.NullString)
+	if !ok {
+		panic(fmt.Sprintf("bad data type (got %T)", data))
+	}
+
+	sc.vals[aRow] = str
+}
+
+func (bc *sqlNullStringColumn) GetCell(aRow int) any {
+	return bc.vals[aRow]
+}
+
+func (sc *sqlNullStringColumn) CellIsNull(aRow int) bool {
+	return !sc.vals[aRow].Valid
+}
+
+func (sc *sqlNullStringColumn) Display(aRow int) *qt.QVariant {
+	cell := sc.vals[aRow]
+	if cell.Valid {
+		return qt.NewQVariant11(cell.String)
+	} else {
+		return qt.NewQVariant11("NULL") // TODO render this somehow differently?
+	}
+}
+
+func (sc *sqlNullStringColumn) Inspect(parent *qt.QWidget, aRow int) {
+	// do nothing
+}
+
+func (sc *sqlNullStringColumn) SimpleEditData(aRow int) *qt.QVariant {
+	// Works directly with the simple (inline) editor, not a custom editor
+
+	cell := sc.vals[aRow]
+	if cell.Valid {
+		return qt.NewQVariant11(cell.String)
+	} else {
+		return qt.NewQVariant11("")
+	}
+}
+
+func (sc *sqlNullStringColumn) ApplySimpleChange(aRow int, data *qt.QVariant) {
+	// Works directly with the simple (inline) editor, not a custom editor
+	str := data.ToString()
+	sc.vals[aRow] = sql.NullString{String: str, Valid: true}
+}
+
+func (sc *sqlNullStringColumn) IndicateBlue() bool {
+	return false
+}
+
+var _ TableColumn = &sqlNullStringColumn{}
+var _ NullableTableColumn = &sqlNullStringColumn{}

table_string.go

@@ -1,6 +1,8 @@
 package main
 
 import (
+	"fmt"
+
 	qt "github.com/mappu/miqt/qt6"
 )
 
@@ -15,12 +17,16 @@ func (sc *stringColumn) SetRowCount(newlen int) {
 func (sc *stringColumn) SetCell(aRow int, data any) {
 	str, ok := data.(string)
 	if !ok {
-		panic("bad data type")
+		panic(fmt.Sprintf("bad data type (got %T)", data))
 	}
 
 	sc.vals[aRow] = str
 }
 
+func (bc *stringColumn) GetCell(aRow int) any {
+	return bc.vals[aRow]
+}
+
 func (sc *stringColumn) Display(aRow int) *qt.QVariant {
 	return qt.NewQVariant11(sc.vals[aRow])
 }
@@ -30,12 +36,12 @@ func (sc *stringColumn) Inspect(parent *qt.QWidget, aRow int) {
 }
 
 func (sc *stringColumn) SimpleEditData(aRow int) *qt.QVariant {
-	// Theoretically don't need to return anything here for simple-edits since
-	// the popup editor works directly with the column-store
+	// Works directly with the simple (inline) editor, not a custom editor
 	return qt.NewQVariant11(sc.vals[aRow])
 }
 
 func (sc *stringColumn) ApplySimpleChange(aRow int, data *qt.QVariant) {
+	// Works directly with the simple (inline) editor, not a custom editor
 	sc.vals[aRow] = data.ToString()
 }
 

util_types.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"bytes"
+	"encoding/binary"
 	"encoding/gob"
 
 	"go.mongodb.org/mongo-driver/v2/bson"
@@ -117,3 +118,14 @@ func alloc_inplace[T any](target **T) {
 	var newObj T
 	*target = &newObj
 }
+
+func int64_to_binary8(i int64) []byte {
+	b := make([]byte, 8)
+	binary.LittleEndian.PutUint64(b, uint64(i))
+	return b
+}
+
+func binary8_to_int64(val []byte) int64 {
+	// If this is supplied with a too-short value, we will panic
+	return int64(binary.LittleEndian.Uint64(val))
+}