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Overview
Comment:Still more tests using mptester. Added test cases that leave rollback journals that must be recovered by other threads.
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Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 437b674f00610e2b925dc00ca27b5022e3858994
User & Date: drh 2013-04-08 18:58:00
Context
2013-04-08
19:13
In mptester, handle startScript no-change commits using a retry rather than grabbing an exclusive transaction. check-in: ae8bb24b user: drh tags: trunk
18:58
Still more tests using mptester. Added test cases that leave rollback journals that must be recovered by other threads. check-in: 437b674f user: drh tags: trunk
17:57
Adding tests to the mptester scripts. check-in: e121adce user: drh tags: trunk
Changes
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Changes to mptest/config02.test. 

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--task 3
  PRAGMA mmap_limit=8192;
--end
--task 4
  PRAGMA mmap_limit=65536;
--end
--source multiwrite01.test

PRAGMA page_size=1024;
VACUUM;
CREATE TABLE pgsz(taskid, sz INTEGER);
--task 1
  INSERT INTO pgsz VALUES(1, eval('PRAGMA page_size'));
--end
--task 2
................................................................................
--task 4
  INSERT INTO pgsz VALUES(4, eval('PRAGMA page_size'));
--end
--task 5
  INSERT INTO pgsz VALUES(5, eval('PRAGMA page_size'));
--end
--source multiwrite01.test

--wait all
SELECT sz FROM pgsz;
--match 1024 1024 1024 1024 1024
PRAGMA page_size=2048;
VACUUM;
DELETE FROM pgsz;
--task 1
................................................................................
--task 4
  INSERT INTO pgsz VALUES(4, eval('PRAGMA page_size'));
--end
--task 5
  INSERT INTO pgsz VALUES(5, eval('PRAGMA page_size'));
--end
--source multiwrite01.test

--wait all
SELECT sz FROM pgsz;
--match 2048 2048 2048 2048 2048
PRAGMA page_size=8192;
VACUUM;
DELETE FROM pgsz;
--task 1
................................................................................
--task 4
  INSERT INTO pgsz VALUES(4, eval('PRAGMA page_size'));
--end
--task 5
  INSERT INTO pgsz VALUES(5, eval('PRAGMA page_size'));
--end
--source multiwrite01.test

--wait all
SELECT sz FROM pgsz;
--match 8192 8192 8192 8192 8192
PRAGMA page_size=16384;
VACUUM;
DELETE FROM pgsz;
--task 1
................................................................................
--task 4
  INSERT INTO pgsz VALUES(4, eval('PRAGMA page_size'));
--end
--task 5
  INSERT INTO pgsz VALUES(5, eval('PRAGMA page_size'));
--end
--source multiwrite01.test

--wait all
SELECT sz FROM pgsz;
--match 16384 16384 16384 16384 16384
PRAGMA auto_vacuum=FULL;
VACUUM;
--source multiwrite01.test

--wait all
PRAGMA auto_vacuum=FULL;
PRAGMA page_size=512;
VACUUM;
--source multiwrite01.test









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--task 3
  PRAGMA mmap_limit=8192;
--end
--task 4
  PRAGMA mmap_limit=65536;
--end
--source multiwrite01.test
--source crash02.subtest
PRAGMA page_size=1024;
VACUUM;
CREATE TABLE pgsz(taskid, sz INTEGER);
--task 1
  INSERT INTO pgsz VALUES(1, eval('PRAGMA page_size'));
--end
--task 2
................................................................................
--task 4
  INSERT INTO pgsz VALUES(4, eval('PRAGMA page_size'));
--end
--task 5
  INSERT INTO pgsz VALUES(5, eval('PRAGMA page_size'));
--end
--source multiwrite01.test
--source crash02.subtest
--wait all
SELECT sz FROM pgsz;
--match 1024 1024 1024 1024 1024
PRAGMA page_size=2048;
VACUUM;
DELETE FROM pgsz;
--task 1
................................................................................
--task 4
  INSERT INTO pgsz VALUES(4, eval('PRAGMA page_size'));
--end
--task 5
  INSERT INTO pgsz VALUES(5, eval('PRAGMA page_size'));
--end
--source multiwrite01.test
--source crash02.subtest
--wait all
SELECT sz FROM pgsz;
--match 2048 2048 2048 2048 2048
PRAGMA page_size=8192;
VACUUM;
DELETE FROM pgsz;
--task 1
................................................................................
--task 4
  INSERT INTO pgsz VALUES(4, eval('PRAGMA page_size'));
--end
--task 5
  INSERT INTO pgsz VALUES(5, eval('PRAGMA page_size'));
--end
--source multiwrite01.test
--source crash02.subtest
--wait all
SELECT sz FROM pgsz;
--match 8192 8192 8192 8192 8192
PRAGMA page_size=16384;
VACUUM;
DELETE FROM pgsz;
--task 1
................................................................................
--task 4
  INSERT INTO pgsz VALUES(4, eval('PRAGMA page_size'));
--end
--task 5
  INSERT INTO pgsz VALUES(5, eval('PRAGMA page_size'));
--end
--source multiwrite01.test
--source crash02.subtest
--wait all
SELECT sz FROM pgsz;
--match 16384 16384 16384 16384 16384
PRAGMA auto_vacuum=FULL;
VACUUM;
--source multiwrite01.test
--source crash02.subtest
--wait all
PRAGMA auto_vacuum=FULL;
PRAGMA page_size=512;
VACUUM;
--source multiwrite01.test
--source crash02.subtest

Added mptest/crash01.test. 















































































































































































































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/* Test cases involving incomplete transactions that must be rolled back.
*/
--task 1
  DROP TABLE IF EXISTS t1;
  CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
  --sleep 1
  INSERT INTO t1 VALUES(1, randomblob(2000));
  INSERT INTO t1 VALUES(2, randomblob(1000));
  --sleep 1
  INSERT INTO t1 SELECT a+2, randomblob(1500) FROM t1;
  INSERT INTO t1 SELECT a+4, randomblob(1500) FROM t1;
  INSERT INTO t1 SELECT a+8, randomblob(1500) FROM t1;
  --sleep 1
  INSERT INTO t1 SELECT a+16, randomblob(1500) FROM t1;
  --sleep 1
  INSERT INTO t1 SELECT a+32, randomblob(1500) FROM t1;
  SELECT count(*) FROM t1;
  --match 64
  SELECT avg(length(b)) FROM t1;
  --match 1500.0
  --sleep 2
  UPDATE t1 SET b='x'||a||'y';
  SELECT total(length(b)) FROM t1;
  --match 247
  SELECT a FROM t1 WHERE b='x17y';
  --match 17
  CREATE INDEX t1b ON t1(b);
  SELECT a FROM t1 WHERE b='x17y';
  --match 17
  SELECT a FROM t1 WHERE b GLOB 'x2?y' ORDER BY b DESC LIMIT 5;
  --match 29 28 27 26 25
--end
--wait 1
--task 2
  CREATE TABLE t2(a INTEGER PRIMARY KEY, b);
  INSERT INTO t2 SELECT a, b FROM t1;
  UPDATE t1 SET b='x'||a||'y';
  SELECT total(length(b)) FROM t2;
  --match 247
  SELECT a FROM t2 WHERE b='x17y';
  --match 17
  CREATE INDEX t2b ON t2(b);
  SELECT a FROM t2 WHERE b='x17y';
  --match 17
  SELECT a FROM t2 WHERE b GLOB 'x2?y' ORDER BY b DESC LIMIT 5;
  --match 29 28 27 26 25
--end
--task 3
  CREATE TABLE t3(a INTEGER PRIMARY KEY, b);
  INSERT INTO t3 SELECT a, b FROM t1;
  UPDATE t1 SET b='x'||a||'y';
  SELECT total(length(b)) FROM t3;
  --match 247
  SELECT a FROM t3 WHERE b='x17y';
  --match 17
  CREATE INDEX t3b ON t3(b);
  SELECT a FROM t3 WHERE b='x17y';
  --match 17
  SELECT a FROM t3 WHERE b GLOB 'x2?y' ORDER BY b DESC LIMIT 5;
  --match 29 28 27 26 25
--end
--task 4
  CREATE TABLE t4(a INTEGER PRIMARY KEY, b);
  INSERT INTO t4 SELECT a, b FROM t1;
  UPDATE t1 SET b='x'||a||'y';
  SELECT total(length(b)) FROM t4;
  --match 247
  SELECT a FROM t4 WHERE b='x17y';
  --match 17
  CREATE INDEX t4b ON t4(b);
  SELECT a FROM t4 WHERE b='x17y';
  --match 17
  SELECT a FROM t4 WHERE b GLOB 'x2?y' ORDER BY b DESC LIMIT 5;
  --match 29 28 27 26 25
--end
--task 5
  CREATE TABLE t5(a INTEGER PRIMARY KEY, b);
  INSERT INTO t5 SELECT a, b FROM t1;
  UPDATE t1 SET b='x'||a||'y';
  SELECT total(length(b)) FROM t5;
  --match 247
  SELECT a FROM t5 WHERE b='x17y';
  --match 17
  CREATE INDEX t5b ON t5(b);
  SELECT a FROM t5 WHERE b='x17y';
  --match 17
  SELECT a FROM t5 WHERE b GLOB 'x2?y' ORDER BY b DESC LIMIT 5;
  --match 29 28 27 26 25
--end

--wait all
/* After the database file has been set up, run the crash2 subscript
** multiple times. */
--source crash02.subtest
--source crash02.subtest
--source crash02.subtest
--source crash02.subtest
--source crash02.subtest
--source crash02.subtest
--source crash02.subtest
--source crash02.subtest
--source crash02.subtest

Added mptest/crash02.subtest. 





















































































































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/*
** This script is called from crash01.test and config02.test and perhaps other
** script.  After the database file has been set up, make a big rollback 
** journal in client 1, then crash client 1.
** Then in the other clients, do an integrity check.
*/
--task 1
  --sleep 5
  --finish
  PRAGMA cache_size=10;
  BEGIN;
  UPDATE t1 SET b=randomblob(20000);
  UPDATE t2 SET b=randomblob(20000);
  UPDATE t3 SET b=randomblob(20000);
  UPDATE t4 SET b=randomblob(20000);
  UPDATE t5 SET b=randomblob(20000);
  UPDATE t1 SET b=NULL;
  UPDATE t2 SET b=NULL;
  UPDATE t3 SET b=NULL;
  UPDATE t4 SET b=NULL;
  UPDATE t5 SET b=NULL;
  --print Task one crashing an incomplete transaction
  --exit 1
--end
--task 2
  SELECT count(*) FROM t1;
  --match 64
  --sleep 100
  PRAGMA integrity_check;
  --output
  --match ok
--end
--task 3
  SELECT count(*) FROM t1;
  --match 64
  --sleep 100
  PRAGMA integrity_check;
  --output
  --match ok
--end
--task 4
  SELECT count(*) FROM t1;
  --match 64
  --sleep 100
  PRAGMA integrity_check;
  --output
  --match ok
--end
--task 5
  SELECT count(*) FROM t1;
  --match 64
  --sleep 100
  PRAGMA integrity_check;
  --output
  --match ok
--end
--wait all

Changes to mptest/mptest.c. 

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  int taskId;
  int rc;
  int totalTime = 0;

  *pzScript = 0;
  g.iTimeout = 0;
  while(1){
    rc = trySql("BEGIN IMMEDIATE");
    if( rc==SQLITE_BUSY ){
      sqlite3_sleep(10);
      totalTime += 10;
      continue;
    }
    if( rc!=SQLITE_OK ){
      fatalError("%s\nBEGIN IMMEDIATE", sqlite3_errmsg(g.db));
    }
    if( g.nError || g.nTest ){
      runSql("UPDATE counters SET nError=nError+%d, nTest=nTest+%d",
             g.nError, g.nTest);
      g.nError = 0;
      g.nTest = 0;
    }
................................................................................

    /*
    **   --exit N
    **
    ** Exit this process.  If N>0 then exit without shutting down
    ** SQLite.  (In other words, simulate a crash.)
    */
    if( strcmp(zCmd, "exit")==0 ){
      int rc = atoi(azArg[0]);
      finishScript(iClient, taskId, 1);
      if( rc==0 ) sqlite3_close(g.db);
      exit(rc);
    }else











    /*
    **  --reset
    **
    ** Reset accumulated results back to an empty string
    */
    if( strcmp(zCmd, "reset")==0 ){
      stringReset(&sResult);
................................................................................
  if( iClient>0 ){
    if( n>0 ) unrecognizedArguments(argv[0], n, argv+2);
    if( g.iTrace ) logMessage("start-client");
    while(1){
      char zTaskName[50];
      rc = startScript(iClient, &zScript, &taskId);
      if( rc==SQLITE_DONE ) break;
      if( g.iTrace ) logMessage("begin task %d", taskId);
      sqlite3_snprintf(sizeof(zTaskName), zTaskName, "client%02d-task-%d",
                       iClient, taskId);

      runScript(iClient, taskId, zScript, zTaskName);
      if( g.iTrace ) logMessage("end task %d", taskId);
      finishScript(iClient, taskId, 0);
      sqlite3_sleep(10);
    }
    if( g.iTrace ) logMessage("end-client");
  }else{
    sqlite3_stmt *pStmt;
    int iTimeout;








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  int taskId;
  int rc;
  int totalTime = 0;

  *pzScript = 0;
  g.iTimeout = 0;
  while(1){
    rc = trySql("BEGIN EXCLUSIVE");
    if( rc==SQLITE_BUSY ){
      sqlite3_sleep(10);
      totalTime += 10;
      continue;
    }
    if( rc!=SQLITE_OK ){
      fatalError("in startScript: %s", sqlite3_errmsg(g.db));
    }
    if( g.nError || g.nTest ){
      runSql("UPDATE counters SET nError=nError+%d, nTest=nTest+%d",
             g.nError, g.nTest);
      g.nError = 0;
      g.nTest = 0;
    }
................................................................................

    /*
    **   --exit N
    **
    ** Exit this process.  If N>0 then exit without shutting down
    ** SQLite.  (In other words, simulate a crash.)
    */
    if( strcmp(zCmd, "exit")==0 && iClient>0 ){
      int rc = atoi(azArg[0]);
      finishScript(iClient, taskId, 1);
      if( rc==0 ) sqlite3_close(g.db);
      exit(rc);
    }else

    /*
    **   --finish
    **
    ** Mark the current task as having finished, even if it is not.
    ** This can be used in conjunction with --exit to simulate a crash.
    */
    if( strcmp(zCmd, "finish")==0 && iClient>0 ){
      finishScript(iClient, taskId, 1);
    }else

    /*
    **  --reset
    **
    ** Reset accumulated results back to an empty string
    */
    if( strcmp(zCmd, "reset")==0 ){
      stringReset(&sResult);
................................................................................
  if( iClient>0 ){
    if( n>0 ) unrecognizedArguments(argv[0], n, argv+2);
    if( g.iTrace ) logMessage("start-client");
    while(1){
      char zTaskName[50];
      rc = startScript(iClient, &zScript, &taskId);
      if( rc==SQLITE_DONE ) break;

      sqlite3_snprintf(sizeof(zTaskName), zTaskName, "client%02d-task-%d",
                       iClient, taskId);
      if( g.iTrace ) logMessage("begin %s", zTaskName);
      runScript(iClient, taskId, zScript, zTaskName);
      if( g.iTrace ) logMessage("end %s", zTaskName);
      finishScript(iClient, taskId, 0);
      sqlite3_sleep(10);
    }
    if( g.iTrace ) logMessage("end-client");
  }else{
    sqlite3_stmt *pStmt;
    int iTimeout;

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   ORDER BY t1.a LIMIT 4
  --match 33 34 35 36
  SELECT t3.a FROM t3, t4
   WHERE t4.b GLOB 'x4?y' AND t3.b=('x'||(t4.a+5)||'y')
   ORDER BY t3.a LIMIT 7
  --match 45 46 47 48 49 50 51
--end









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   ORDER BY t1.a LIMIT 4
  --match 33 34 35 36
  SELECT t3.a FROM t3, t4
   WHERE t4.b GLOB 'x4?y' AND t3.b=('x'||(t4.a+5)||'y')
   ORDER BY t3.a LIMIT 7
  --match 45 46 47 48 49 50 51
--end
--wait all

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