fix(gaussdb): support M-mode type metadata

apps/desktop/src/components/objects/ObjectBrowser.vue

@@ -125,6 +125,7 @@ import { filterObjectBrowserTableColumns } from "@/lib/table/objectBrowserTableI
 import { createSidePanelRequestGuard } from "@/lib/table/sidePanelRequestGuard";
 import { runBatchTableTruncate } from "@/lib/table/batchTableTruncate";
 import { tableColumnDefaultDisplayValue } from "@/lib/table/tableColumnDefaultPresentation";
+import { gaussdbMTypeDisplayName } from "@/lib/table/postgresDataTypeHelp";
 import { cacheObjectBrowserRows, createObjectBrowserRowsCacheWriteToken, getCachedObjectBrowserRows, type ObjectBrowserRowsCacheScope, type ObjectBrowserRowsCacheWriteToken } from "@/lib/table/objectBrowserRowsCache";
 import { createObjectBrowserRowsLoadGuard, type ObjectBrowserRowsLoadHandle } from "@/lib/table/objectBrowserRowsLoadGuard";
 
@@ -202,8 +203,16 @@ const sidePanelGuard = createSidePanelRequestGuard();
 const sidePanelRef = ref<InstanceType<typeof CustomTypeInfoPanel> | null>(null);
 const tableMetadataCapabilities = computed<TableMetadataCapabilities>(() => getTableMetadataCapabilities(effectiveDatabaseType.value));
 const effectiveDatabaseType = computed(() => effectiveDatabaseTypeForConnection(props.connection) ?? props.connection.db_type);
+const isGaussdbM = computed(() => effectiveDatabaseType.value === "gaussdb" && props.connection.driver_profile?.toLowerCase() === "gaussdb-m");
 const isVictoriaMetrics = computed(() => effectiveDatabaseType.value === "victoriametrics");
 const objectRowsLabel = computed(() => t(isVictoriaMetrics.value ? "objects.series" : "objects.rows"));
+
+function gaussdbMColumnType(dataType: string): string {
+  if (isGaussdbM.value) {
+    return gaussdbMTypeDisplayName(dataType);
+  }
+  return dataType;
+}
 const tableStructureDatabaseType = computed(() => tableStructureDatabaseTypeForConnection(props.connection) ?? props.connection.db_type);
 const sourceEditableText = ref("");
 const sourceDraft = ref("");
@@ -3200,7 +3209,7 @@ function getObjectBrowserMenuItems(item: ObjectBrowserRow): ContextMenuItem[] {
                       {{ column.comment }}
                     </div>
                   </td>
-                  <td class="px-3 py-2 font-mono text-[11px] text-muted-foreground">{{ column.data_type }}</td>
+                  <td class="px-3 py-2 font-mono text-[11px] text-muted-foreground">{{ gaussdbMColumnType(column.data_type) }}</td>
                   <td class="px-3 py-2">{{ column.is_nullable ? "YES" : "NO" }}</td>
                   <td data-table-info-column-default class="max-w-56 px-3 py-2 font-mono text-[11px]" :class="{ 'text-muted-foreground/70': column.column_default == null }" :title="column.column_default ?? undefined">
                     <span class="block max-w-56 truncate">{{ tableColumnDefaultDisplayValue(column.column_default) }}</span>