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node_modules/@libsql/hrana-client/lib-cjs/stream.js

@@ -0,0 +1,61 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Stream = void 0;
+const batch_js_1 = require("./batch.js");
+const describe_js_1 = require("./describe.js");
+const result_js_1 = require("./result.js");
+const sql_js_1 = require("./sql.js");
+const stmt_js_1 = require("./stmt.js");
+/** A stream for executing SQL statements (a "database connection"). */
+class Stream {
+    /** @private */
+    constructor(intMode) {
+        this.intMode = intMode;
+    }
+    /** Execute a statement and return rows. */
+    query(stmt) {
+        return this.#execute(stmt, true, result_js_1.rowsResultFromProto);
+    }
+    /** Execute a statement and return at most a single row. */
+    queryRow(stmt) {
+        return this.#execute(stmt, true, result_js_1.rowResultFromProto);
+    }
+    /** Execute a statement and return at most a single value. */
+    queryValue(stmt) {
+        return this.#execute(stmt, true, result_js_1.valueResultFromProto);
+    }
+    /** Execute a statement without returning rows. */
+    run(stmt) {
+        return this.#execute(stmt, false, result_js_1.stmtResultFromProto);
+    }
+    #execute(inStmt, wantRows, fromProto) {
+        const stmt = (0, stmt_js_1.stmtToProto)(this._sqlOwner(), inStmt, wantRows);
+        return this._execute(stmt).then((r) => fromProto(r, this.intMode));
+    }
+    /** Return a builder for creating and executing a batch.
+     *
+     * If `useCursor` is true, the batch will be executed using a Hrana cursor, which will stream results from
+     * the server to the client, which consumes less memory on the server. This requires protocol version 3 or
+     * higher.
+     */
+    batch(useCursor = false) {
+        return new batch_js_1.Batch(this, useCursor);
+    }
+    /** Parse and analyze a statement. This requires protocol version 2 or higher. */
+    describe(inSql) {
+        const protoSql = (0, sql_js_1.sqlToProto)(this._sqlOwner(), inSql);
+        return this._describe(protoSql).then(describe_js_1.describeResultFromProto);
+    }
+    /** Execute a sequence of statements separated by semicolons. This requires protocol version 2 or higher.
+     * */
+    sequence(inSql) {
+        const protoSql = (0, sql_js_1.sqlToProto)(this._sqlOwner(), inSql);
+        return this._sequence(protoSql);
+    }
+    /** Representation of integers returned from the database. See {@link IntMode}.
+     *
+     * This value affects the results of all operations on this stream.
+     */
+    intMode;
+}
+exports.Stream = Stream;