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Unified Diff: third_party/sqlite/sqlite-src-3100200/test/tt3_lookaside1.c

Issue 2846743003: [sql] Remove SQLite 3.10.2 reference directory. (Closed)
Patch Set: Created 3 years, 8 months ago
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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);
-}
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