| 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);
|
| -}
|
|
|