fix(neo4j): support table querying and editing

src/components/grid/DataGrid.vue

@@ -826,7 +826,7 @@ function currentWhereInput(): string | undefined {
 function currentOrderBy(): string | undefined {
   return (
     orderByInput.value.trim() ||
-    (sortCol.value ? `${quoteIdent(sortCol.value)} ${sortDir.value.toUpperCase()}` : undefined)
+    (sortCol.value ? `${queryColumnRef(sortCol.value)} ${sortDir.value.toUpperCase()}` : undefined)
   );
 }
 
@@ -1313,7 +1313,7 @@ type FilterMode =
 
 function contextFilterCondition(mode: FilterMode): string | null {
   if (!contextColumn.value) return null;
-  const column = quoteIdent(contextColumn.value);
+  const column = queryColumnRef(contextColumn.value);
   const value = contextCellValue.value;
 
   if (mode === "is-null") return `${column} IS NULL`;
@@ -1355,6 +1355,7 @@ async function applyOrderBySearch() {
       databaseType: props.databaseType,
       schema: props.tableMeta.schema,
       tableName: props.tableMeta.tableName,
+      columns: props.tableMeta.columns.map((column) => column.name),
       primaryKeys: props.tableMeta.primaryKeys,
       orderBy: orderByClause,
       limit: pageSize.value,
@@ -1379,10 +1380,11 @@ async function applyWhereFilter() {
       databaseType: props.databaseType,
       schema: props.tableMeta.schema,
       tableName: props.tableMeta.tableName,
+      columns: props.tableMeta.columns.map((column) => column.name),
       primaryKeys: props.tableMeta.primaryKeys,
       orderBy:
         orderByInput.value.trim() ||
-        (sortCol.value ? `${quoteIdent(sortCol.value)} ${sortDir.value.toUpperCase()}` : undefined),
+        (sortCol.value ? `${queryColumnRef(sortCol.value)} ${sortDir.value.toUpperCase()}` : undefined),
       limit: pageSize.value,
       whereInput: whereFilterInput.value.trim() || undefined,
       includeRowId: tableUsesSyntheticRowId.value,
@@ -1408,6 +1410,11 @@ function quoteIdent(name: string): string {
   return quoteTableIdentifier(props.databaseType, name);
 }
 
+function queryColumnRef(name: string): string {
+  const quoted = quoteIdent(name);
+  return props.databaseType === "neo4j" ? `n.${quoted}` : quoted;
+}
+
 function escapeVal(value: CellValue): string {
   return formatGridSqlLiteral(value);
 }

src/components/objects/ObjectBrowser.vue

@@ -31,7 +31,7 @@ import DangerConfirmDialog from "@/components/editor/DangerConfirmDialog.vue";
 import * as api from "@/lib/api";
 import type { ConnectionConfig, ObjectInfo, ObjectSourceKind } from "@/types/database";
 import { isSchemaAware } from "@/lib/databaseCapabilities";
-import { qualifiedTableName } from "@/lib/tableSelectSql";
+import { buildTableSelectSql, qualifiedTableName } from "@/lib/tableSelectSql";
 import { useToast } from "@/composables/useToast";
 import { buildExecutableObjectSourceSql, objectSourceSaveExecutionMode } from "@/lib/objectSourceEditor";
 import { useQueryStore } from "@/stores/queryStore";
@@ -215,7 +215,15 @@ async function openSource(row: ObjectRow) {
 
 function openNewQuery(row: ObjectRow) {
   const tabId = queryStore.createTab(props.connection.id, props.database, row.name);
-  queryStore.updateSql(tabId, `SELECT * FROM ${qualifiedName(row)} LIMIT 100;`);
+  queryStore.updateSql(
+    tabId,
+    buildTableSelectSql({
+      databaseType: props.connection.db_type,
+      schema: row.schema || selectedSchema.value,
+      tableName: row.name,
+      limit: 100,
+    }),
+  );
 }
 
 function qualifiedName(row: ObjectRow): string {

src/components/sidebar/TreeItem.vue

@@ -415,6 +415,7 @@ async function openData() {
       databaseType: config.db_type,
       schema: node.schema,
       tableName: node.label,
+      columns: columns.map((column) => column.name),
       primaryKeys: pks,
       includeRowId: usesSyntheticRowIdKey(config.db_type, pks),
     });
@@ -896,7 +897,20 @@ async function exportData(format: "csv" | "json" | "sql") {
       isSchemaAware(config.db_type) && node.schema
         ? `${quoteIdent(node.schema)}.${quoteIdent(node.label)}`
         : quoteIdent(node.label);
-    const result = await api.executeQuery(node.connectionId, node.database, `SELECT * FROM ${qualifiedName}`);
+    const queryColumns =
+      config.db_type === "neo4j"
+        ? (await api.getColumns(node.connectionId, node.database, node.schema || node.database, node.label)).map(
+            (column) => column.name,
+          )
+        : undefined;
+    const dataSql = buildTableSelectSql({
+      databaseType: config.db_type,
+      schema: node.schema,
+      tableName: node.label,
+      columns: queryColumns,
+      limit: 10000,
+    });
+    const result = await api.executeQuery(node.connectionId, node.database, dataSql);
 
     let content: string;
     let ext: string;
@@ -927,11 +941,20 @@ async function exportDataXlsx() {
 
   try {
     await connectionStore.ensureConnected(node.connectionId);
-    const qualifiedName =
-      isSchemaAware(config.db_type) && node.schema
-        ? `${quoteIdent(node.schema)}.${quoteIdent(node.label)}`
-        : quoteIdent(node.label);
-    const result = await api.executeQuery(node.connectionId, node.database, `SELECT * FROM ${qualifiedName}`);
+    const queryColumns =
+      config.db_type === "neo4j"
+        ? (await api.getColumns(node.connectionId, node.database, node.schema || node.database, node.label)).map(
+            (column) => column.name,
+          )
+        : undefined;
+    const dataSql = buildTableSelectSql({
+      databaseType: config.db_type,
+      schema: node.schema,
+      tableName: node.label,
+      columns: queryColumns,
+      limit: 10000,
+    });
+    const result = await api.executeQuery(node.connectionId, node.database, dataSql);
 
     const { buildXlsxWorkbook } = await import("@/lib/xlsxExport");
     const workbook = buildXlsxWorkbook({