fix(grid): exclude postgres serial primary keys in pk-free copies

apps/desktop/src/composables/__tests__/useDataGridExport.spec.ts

@@ -965,6 +965,32 @@ describe("useDataGridExport prepared row statements", () => {
     expect(state.canCopyWithExtractor("sql-inserts")).toBe(false);
   });
 
+  it("recognizes PostgreSQL serial primary keys when excluding primary keys", () => {
+    const serialTable: DataGridTableMeta = {
+      tableName: "users",
+      primaryKeys: ["id"],
+      columns: [
+        {
+          name: "id",
+          data_type: "integer",
+          is_nullable: false,
+          is_primary_key: true,
+          extra: "serial",
+        },
+        { name: "name", data_type: "text", is_nullable: false },
+      ],
+    };
+    const matrix: CellSelectionMatrix = { rowIndexes: [0], columnIndexes: [0], columns: ["id"], rows: [[1]] };
+    const excludePrimaryKeys = {
+      ...DEFAULT_DATA_GRID_EXTRACTOR_OPTIONS,
+      sql: { ...DEFAULT_DATA_GRID_EXTRACTOR_OPTIONS.sql, excludePrimaryKeysFromInsert: true },
+    };
+
+    const state = createExportState(serialTable, ["id"], matrix, [1], undefined, undefined, [], excludePrimaryKeys);
+
+    expect(state.canCopyWithExtractor("sql-inserts")).toBe(false);
+  });
+
   it("keeps a manually-assigned primary key insertable under primary-key exclusion", () => {
     const compositeKeyTable: DataGridTableMeta = {
       tableName: "daily_stats",

apps/desktop/src/composables/useDataGridExport.ts

@@ -1709,7 +1709,9 @@ function effectiveColumns(sourceColumns: Array<string | undefined> | undefined,
 
 function isAutoGeneratedColumn(column: string, tableMeta: DataGridTableMeta | undefined): boolean {
   const columnInfo = tableMeta?.columns?.find((item) => normalizeColumnName(item.name) === normalizeColumnName(column));
-  return /\b(auto_increment|autoincrement|identity)\b/.test(columnInfo?.extra?.toLowerCase() ?? "");
+  const extra = columnInfo?.extra?.toLowerCase() ?? "";
+  const defaultValue = columnInfo?.column_default?.toLowerCase() ?? "";
+  return /\b(auto_increment|autoincrement|identity|smallserial|serial|bigserial)\b/.test(extra) || /\bnextval\s*\(/.test(defaultValue);
 }
 
 function isCopyInsertOmittedColumn(databaseType: DatabaseType | undefined, column: string, tableMeta: DataGridTableMeta | undefined, extractorOptions?: DataGridExtractorOptions): boolean {
@@ -1718,7 +1720,7 @@ function isCopyInsertOmittedColumn(databaseType: DatabaseType | undefined, colum
   const normalizedType = columnInfo?.data_type.trim().replace(/^"|"$/g, "").toLowerCase();
   if (databaseType === "postgres" && (normalizedType === "tsvector" || normalizedType?.endsWith(".tsvector"))) return true;
   const extra = columnInfo?.extra?.toLowerCase() ?? "";
-  const isAutoGenerated = /\b(auto_increment|autoincrement|identity)\b/.test(extra);
+  const isAutoGenerated = isAutoGeneratedColumn(column, tableMeta);
   const isComputed = extra.includes("generated always as") && !extra.includes("identity");
   const isPrimaryKey = (tableMeta?.primaryKeys ?? []).some((key) => normalizeColumnName(key) === normalizeColumnName(column));
   return ((extractorOptions?.sql.skipGeneratedColumns ?? true) && isAutoGenerated && !isPrimaryKey) || ((extractorOptions?.sql.skipComputedColumns ?? true) && isComputed);

apps/desktop/src/composables/useDataGridExtractor.ts

@@ -473,7 +473,9 @@ function columnExtra(column: string, tableMeta: DataGridTableMeta | undefined):
 }
 
 function isAutoGeneratedColumn(column: string, tableMeta: DataGridTableMeta | undefined): boolean {
-  return /\b(auto_increment|autoincrement|identity)\b/.test(columnExtra(column, tableMeta));
+  const columnInfo = tableMeta?.columns?.find((item) => normalizeName(item.name) === normalizeName(column));
+  const defaultValue = columnInfo?.column_default?.toLowerCase() ?? "";
+  return /\b(auto_increment|autoincrement|identity|smallserial|serial|bigserial)\b/.test(columnExtra(column, tableMeta)) || /\bnextval\s*\(/.test(defaultValue);
 }
 
 function isComputedColumn(column: string, tableMeta: DataGridTableMeta | undefined): boolean {