feat(tabs): enhance result toolbar layout and labels

apps/desktop/src/lib/sql/queryResultSource.ts

@@ -0,0 +1,24 @@
+import { buildSqlSemanticModel } from "@/lib/sql/semantic/model";
+import type { SqlSemanticRowSource } from "@/lib/sql/semantic/types";
+import type { DatabaseType } from "@/types/database";
+
+export interface QueryResultSourceLabelOptions {
+  database?: string;
+  databaseType?: DatabaseType;
+}
+
+function firstSourceOfKind(sources: SqlSemanticRowSource[], kind: SqlSemanticRowSource["kind"]): SqlSemanticRowSource | undefined {
+  return sources.filter((source) => source.kind === kind).sort((left, right) => left.sourceSpan.start - right.sourceSpan.start)[0];
+}
+
+export function queryResultSourceLabel(sql: string, options: QueryResultSourceLabelOptions = {}): string | undefined {
+  const statement = sql.trim();
+  if (!statement) return undefined;
+
+  const model = buildSqlSemanticModel(statement, statement.length, { databaseType: options.databaseType });
+  const source = firstSourceOfKind(model.rowSources, "mutation_target") ?? firstSourceOfKind(model.rowSources, "table");
+  if (!source?.name) return undefined;
+
+  const qualifier = source.qualifierParts[source.qualifierParts.length - 1]?.trim() || options.database?.trim();
+  return qualifier ? `${qualifier}.${source.name}` : source.name;
+}