From d7ed8e6f2bfa6f1f8bde2af71a031de515777d4c Mon Sep 17 00:00:00 2001
From: Mark Waddingham <mark.waddingham@livecode.com>
Date: Tue, 26 Mar 2019 20:24:04 +0000
Subject: [PATCH] [[ Bug 21932 ]] Fix memory leak when executing sqlite queries

This patch fixes a memory leak when executing sqlite queries. The
leak is caused by failing to release the array holding the fetched
column values (azVals) in the sqlite3_query_exec function.
---
 libsqlite/src/sqlitedataset.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libsqlite/src/sqlitedataset.cpp b/libsqlite/src/sqlitedataset.cpp
index 27a491a6..8d58546a 100644
--- a/libsqlite/src/sqlitedataset.cpp
+++ b/libsqlite/src/sqlitedataset.cpp
@@ -737,6 +737,8 @@ static int sqlite3_query_exec(sqlite3 *db, const char *zSql, int (*xCallback)(vo
 			}
 		}
 
+        free(azVals);
+        azVals = 0;
 		free(azCols);
 		azCols = 0;
 	}