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Overview
Comment:Disable multiplexing of master-journal files in the test_multiplex.c module.
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SHA1: b8684df395b5585a9428417c2bfd076515560f19
User & Date: dan 2015-03-12 19:12:30
Context
2015-03-12
21:22
When STAT4 is enabled, allow probes of the STAT4 table using the value of constant functions computed at compile-time. check-in: 0f250957 user: drh tags: trunk
19:12
Disable multiplexing of master-journal files in the test_multiplex.c module. check-in: b8684df3 user: dan tags: trunk
05:08
Improve the text on one of the opcode documentation comments in vdbe.c. check-in: 08958f57 user: drh tags: trunk
Changes
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Changes to src/test_multiplex.c.

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    }
    if( rc==SQLITE_OK ){
      sqlite3_int64 sz;

      rc = pSubOpen->pMethods->xFileSize(pSubOpen, &sz);
      if( rc==SQLITE_OK && zName ){
        int bExists;



        if( sz==0 ){
          if( flags & SQLITE_OPEN_MAIN_JOURNAL ){
            /* If opening a main journal file and the first chunk is zero
            ** bytes in size, delete any subsequent chunks from the 
            ** file-system. */
            int iChunk = 1;
            do {







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    }
    if( rc==SQLITE_OK ){
      sqlite3_int64 sz;

      rc = pSubOpen->pMethods->xFileSize(pSubOpen, &sz);
      if( rc==SQLITE_OK && zName ){
        int bExists;
        if( flags & SQLITE_OPEN_MASTER_JOURNAL ){
          pGroup->bEnabled = 0;
        }else
        if( sz==0 ){
          if( flags & SQLITE_OPEN_MAIN_JOURNAL ){
            /* If opening a main journal file and the first chunk is zero
            ** bytes in size, delete any subsequent chunks from the 
            ** file-system. */
            int iChunk = 1;
            do {

Added test/crashM.test.

































































































































































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# 2015 Mar 13
#
# 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.
#
#***********************************************************************
#
# Crash tests for the multiplex module with 8.3 filenames enabled.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix crashM

ifcapable !crashtest||!8_3_names {
  finish_test
  return
}

db close
sqlite3_shutdown
sqlite3_config_uri 1

foreach f [glob -nocomplain test1.* test2.*] { forcedelete $f }
sqlite3_multiplex_initialize "" 1
sqlite3 db file:test1.db?8_3_names=1
sqlite3_multiplex_control db main chunk_size [expr 64*1024]

do_execsql_test 1.0 {
  ATTACH 'file:test2.db?8_3_names=1' AS aux;

  CREATE TABLE t1(x, y);
  CREATE INDEX t1x ON t1(x);
  CREATE INDEX t1y ON t1(y);

  CREATE TABLE aux.t2(x, y);
  CREATE INDEX aux.t2x ON t2(x);
  CREATE INDEX aux.t2y ON t2(y);

  WITH s(a) AS (
    SELECT 1 UNION ALL SELECT a+1 FROM s WHERE a<1000
  )
  INSERT INTO t1 SELECT a, randomblob(500) FROM s;

  WITH s(a) AS (
    SELECT 1 UNION ALL SELECT a+1 FROM s WHERE a<1000
  )
  INSERT INTO t2 SELECT a, randomblob(500) FROM s;
} {}

for {set i 0} {$i < 20} {incr i} {
  do_test 2.$i.1 {
    crashsql -delay 1 -file test1.db -opendb {
      sqlite3_shutdown
      sqlite3_config_uri 1
      sqlite3_multiplex_initialize crash 1
      sqlite3 db file:test1.db?8_3_names=1
      sqlite3_multiplex_control db main chunk_size [expr 64*1024]
    } {
      ATTACH 'file:test2.db?8_3_names=1' AS aux;
      BEGIN;
        UPDATE t1 SET y = randomblob(500) WHERE (x%10)==0;
        UPDATE t2 SET y = randomblob(500) WHERE (x%10)==0;
      COMMIT;
    }
  } {1 {child process exited abnormally}}

  do_execsql_test 2.$i.2 {
    PRAGMA main.integrity_check;
    PRAGMA aux.integrity_check;
  } {ok ok}
}

catch { db close }
sqlite3_multiplex_shutdown
finish_test