Index: third_party/sqlite/sqlite-src-3100200/test/tt3_lookaside1.c |
diff --git a/third_party/sqlite/sqlite-src-3100200/test/tt3_lookaside1.c b/third_party/sqlite/sqlite-src-3100200/test/tt3_lookaside1.c |
deleted file mode 100644 |
index e785e7998baa958c70d36ba1c144009681f9fee2..0000000000000000000000000000000000000000 |
--- a/third_party/sqlite/sqlite-src-3100200/test/tt3_lookaside1.c |
+++ /dev/null |
@@ -1,99 +0,0 @@ |
-/* |
-** 2014 December 9 |
-** |
-** The author disclaims copyright to this source code. In place of |
-** a legal notice, here is a blessing: |
-** |
-** May you do good and not evil. |
-** May you find forgiveness for yourself and forgive others. |
-** May you share freely, never taking more than you give. |
-** |
-************************************************************************* |
-** |
-** lookaside1 |
-*/ |
- |
-/* |
-** The test in this file attempts to expose a specific race condition |
-** that is suspected to exist at time of writing. |
-*/ |
- |
-static char *lookaside1_thread_reader(int iTid, void *pArg){ |
- Error err = {0}; /* Error code and message */ |
- Sqlite db = {0}; /* SQLite database connection */ |
- |
- opendb(&err, &db, "test.db", 0); |
- |
- while( !timetostop(&err) ){ |
- sqlite3_stmt *pStmt = 0; |
- int rc; |
- |
- sqlite3_prepare_v2(db.db, "SELECT 1 FROM t1", -1, &pStmt, 0); |
- while( sqlite3_step(pStmt)==SQLITE_ROW ){ |
- execsql(&err, &db, "SELECT length(x||y||z) FROM t2"); |
- } |
- rc = sqlite3_finalize(pStmt); |
- if( err.rc==SQLITE_OK && rc!=SQLITE_OK ){ |
- sqlite_error(&err, &db, "finalize"); |
- } |
- } |
- |
- closedb(&err, &db); |
- print_and_free_err(&err); |
- return sqlite3_mprintf("ok"); |
-} |
- |
-static char *lookaside1_thread_writer(int iTid, void *pArg){ |
- Error err = {0}; /* Error code and message */ |
- Sqlite db = {0}; /* SQLite database connection */ |
- |
- opendb(&err, &db, "test.db", 0); |
- |
- do{ |
- sql_script(&err, &db, |
- "BEGIN;" |
- "UPDATE t3 SET i=i+1 WHERE x=1;" |
- "ROLLBACK;" |
- ); |
- }while( !timetostop(&err) ); |
- |
- closedb(&err, &db); |
- print_and_free_err(&err); |
- return sqlite3_mprintf("ok"); |
-} |
- |
- |
-static void lookaside1(int nMs){ |
- Error err = {0}; |
- Sqlite db = {0}; |
- Threadset threads = {0}; |
- |
- opendb(&err, &db, "test.db", 1); |
- sql_script(&err, &db, |
- "CREATE TABLE t1(x PRIMARY KEY) WITHOUT ROWID;" |
- "WITH data(x,y) AS (" |
- " SELECT 1, quote(randomblob(750)) UNION ALL " |
- " SELECT x*2, y||y FROM data WHERE x<5) " |
- "INSERT INTO t1 SELECT y FROM data;" |
- |
- "CREATE TABLE t3(x PRIMARY KEY,i) WITHOUT ROWID;" |
- "INSERT INTO t3 VALUES(1, 1);" |
- |
- "CREATE TABLE t2(x,y,z);" |
- "INSERT INTO t2 VALUES(randomblob(50), randomblob(50), randomblob(50));" |
- ); |
- closedb(&err, &db); |
- |
- setstoptime(&err, nMs); |
- |
- sqlite3_enable_shared_cache(1); |
- launch_thread(&err, &threads, lookaside1_thread_reader, 0); |
- launch_thread(&err, &threads, lookaside1_thread_reader, 0); |
- launch_thread(&err, &threads, lookaside1_thread_reader, 0); |
- launch_thread(&err, &threads, lookaside1_thread_reader, 0); |
- launch_thread(&err, &threads, lookaside1_thread_reader, 0); |
- launch_thread(&err, &threads, lookaside1_thread_writer, 0); |
- join_all_threads(&err, &threads); |
- sqlite3_enable_shared_cache(0); |
- print_and_free_err(&err); |
-} |