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Side by Side Diff: third_party/sqlite/src/test/tt3_checkpoint.c

Issue 1610963002: Import SQLite 3.10.2. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 11 months ago
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1 /* 1 /*
2 ** 2001 September 15 2 ** 2011-02-02
3 ** 3 **
4 ** The author disclaims copyright to this source code. In place of 4 ** The author disclaims copyright to this source code. In place of
5 ** a legal notice, here is a blessing: 5 ** a legal notice, here is a blessing:
6 ** 6 **
7 ** May you do good and not evil. 7 ** May you do good and not evil.
8 ** May you find forgiveness for yourself and forgive others. 8 ** May you find forgiveness for yourself and forgive others.
9 ** May you share freely, never taking more than you give. 9 ** May you share freely, never taking more than you give.
10 ** 10 **
11 ************************************************************************* 11 *************************************************************************
12 ** This file is part of the test program "threadtest3". Despite being a C 12 ** This file is part of the test program "threadtest3". Despite being a C
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59 CheckpointStarvationCtx *p = (CheckpointStarvationCtx *)pCtx; 59 CheckpointStarvationCtx *p = (CheckpointStarvationCtx *)pCtx;
60 if( nFrame>p->nMaxFrame ){ 60 if( nFrame>p->nMaxFrame ){
61 p->nMaxFrame = nFrame; 61 p->nMaxFrame = nFrame;
62 } 62 }
63 if( nFrame>=CHECKPOINT_STARVATION_FRAMELIMIT ){ 63 if( nFrame>=CHECKPOINT_STARVATION_FRAMELIMIT ){
64 sqlite3_wal_checkpoint_v2(db, zDb, p->eMode, 0, 0); 64 sqlite3_wal_checkpoint_v2(db, zDb, p->eMode, 0, 0);
65 } 65 }
66 return SQLITE_OK; 66 return SQLITE_OK;
67 } 67 }
68 68
69 static char *checkpoint_starvation_reader(int iTid, int iArg){ 69 static char *checkpoint_starvation_reader(int iTid, void *pArg){
70 Error err = {0}; 70 Error err = {0};
71 Sqlite db = {0}; 71 Sqlite db = {0};
72 72
73 opendb(&err, &db, "test.db", 0); 73 opendb(&err, &db, "test.db", 0);
74 while( !timetostop(&err) ){ 74 while( !timetostop(&err) ){
75 i64 iCount1, iCount2; 75 i64 iCount1, iCount2;
76 sql_script(&err, &db, "BEGIN"); 76 sql_script(&err, &db, "BEGIN");
77 iCount1 = execsql_i64(&err, &db, "SELECT count(x) FROM t1"); 77 iCount1 = execsql_i64(&err, &db, "SELECT count(x) FROM t1");
78 usleep(CHECKPOINT_STARVATION_READMS*1000); 78 usleep(CHECKPOINT_STARVATION_READMS*1000);
79 iCount2 = execsql_i64(&err, &db, "SELECT count(x) FROM t1"); 79 iCount2 = execsql_i64(&err, &db, "SELECT count(x) FROM t1");
(...skipping 59 matching lines...) Expand 10 before | Expand all | Expand 10 after
139 139
140 static void checkpoint_starvation_2(int nMs){ 140 static void checkpoint_starvation_2(int nMs){
141 Error err = {0}; 141 Error err = {0};
142 CheckpointStarvationCtx ctx = { SQLITE_CHECKPOINT_RESTART, 0 }; 142 CheckpointStarvationCtx ctx = { SQLITE_CHECKPOINT_RESTART, 0 };
143 checkpoint_starvation_main(nMs, &ctx); 143 checkpoint_starvation_main(nMs, &ctx);
144 if( ctx.nMaxFrame>CHECKPOINT_STARVATION_FRAMELIMIT+10 ){ 144 if( ctx.nMaxFrame>CHECKPOINT_STARVATION_FRAMELIMIT+10 ){
145 test_error(&err, "WAL grew too large - %d frames", ctx.nMaxFrame); 145 test_error(&err, "WAL grew too large - %d frames", ctx.nMaxFrame);
146 } 146 }
147 print_and_free_err(&err); 147 print_and_free_err(&err);
148 } 148 }
149
150
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