[CONJS-128] error when using multipleStatements with metaAsArray #106

Author: rusher

lib/cmd/resultset.js

@@ -396,7 +396,10 @@ class ResultSet extends Command {
           //   [ {"1": 1} ],      //rows
           //   [ColumnDefinition] //meta
           // ]
-          if (this._responseIndex === 0) this._meta = [];
+          if (!this._meta) {
+            this._meta = new Array(this._responseIndex);
+          }
+
           this._meta[this._responseIndex] = this._columns;
 
           if (info.status & ServerStatus.MORE_RESULTS_EXISTS || this.isOutParameter) {

test/integration/test-pool.js

@@ -16,6 +16,35 @@ describe('Pool', () => {
       //eat
     });
   });
+  
+  it('pool metaAsArray', function(done) {
+    const pool = base.createPool({
+      metaAsArray: true,
+      multipleStatements: true,
+      connectionLimit: 1
+    });
+    pool
+        .query({
+          sql:
+              'DROP TABLE IF EXISTS t; ' +
+              'CREATE TABLE t (i int);\n' +
+              'INSERT INTO t(i) VALUES (1);\n' +
+              'SELECT i FROM t; ',
+          timeout: 3000
+        })
+        .then(res => {
+          assert.equal(2, res.length);
+          assert.equal(4, res[0].length);
+          assert.equal(4, res[1].length);
+          assert.equal('i', res[1][3][0].name());
+          pool.end();
+          done();
+        })
+        .catch(err => {
+          pool.end();
+          done(err);
+        });
+  });
 
   it('pool escape', function() {
     if (!base.utf8Collation()) this.skip();