Initial open-source release

packages/context/src/connections/query-executor.ts

@@ -0,0 +1,25 @@
+import type { KloProjectConnectionConfig } from '../project/index.js';
+
+export interface KloSqlQueryExecutionInput {
+  connectionId: string;
+  projectDir?: string;
+  connection: KloProjectConnectionConfig | undefined;
+  sql: string;
+  maxRows?: number;
+}
+
+export interface KloSqlQueryExecutionResult {
+  headers: string[];
+  rows: unknown[][];
+  totalRows: number;
+  command: string;
+  rowCount: number | null;
+}
+
+export interface KloSqlQueryExecutorPort {
+  execute(input: KloSqlQueryExecutionInput): Promise<KloSqlQueryExecutionResult>;
+}
+
+export function normalizeQueryRows(rows: unknown[]): unknown[][] {
+  return rows.map((row) => (Array.isArray(row) ? row : Object.values(row as Record<string, unknown>)));
+}