AryaWu/sqlite

1# 2004 June 302#3# The author disclaims copyright to this source code.  In place of4# a legal notice, here is a blessing:5#6#    May you do good and not evil.7#    May you find forgiveness for yourself and forgive others.8#    May you share freely, never taking more than you give.9#10#***********************************************************************11# This file implements regression tests for SQLite library.  The12# focus of this file is verifying that a rollback in one statement13# caused by an ON CONFLICT ROLLBACK clause aborts any other pending14# statements.15#16# $Id: rollback.test,v 1.11 2009/06/26 07:12:07 danielk1977 Exp $17 18set testdir [file dirname $argv0]19source $testdir/tester.tcl20 21set DB [sqlite3_connection_pointer db]22 23do_test rollback-1.1 {24  execsql {25    CREATE TABLE t1(a);26    INSERT INTO t1 VALUES(1);27    INSERT INTO t1 VALUES(2);28    INSERT INTO t1 VALUES(3);29    INSERT INTO t1 VALUES(4);30    SELECT * FROM t1;31  }32} {1 2 3 4}33 34ifcapable conflict {35  do_test rollback-1.2 {36    execsql {37      CREATE TABLE t3(a unique on conflict rollback);38      INSERT INTO t3 SELECT a FROM t1;39      BEGIN;40      INSERT INTO t1 SELECT * FROM t1;41    }42  } {}43}44do_test rollback-1.3 {45  set STMT [sqlite3_prepare $DB "SELECT a FROM t1" -1 TAIL]46  sqlite3_step $STMT47} {SQLITE_ROW}48 49ifcapable conflict {50  # This causes a ROLLBACK, which deletes the table out from underneath the51  # SELECT statement.52  #53  do_test rollback-1.4 {54    catchsql {55      INSERT INTO t3 SELECT a FROM t1;56    }57  } {1 {UNIQUE constraint failed: t3.a}}58  59  # Try to continue with the SELECT statement60  #61  do_test rollback-1.5 {62    sqlite3_step $STMT63  } {SQLITE_ROW}64 65  # Restart the SELECT statement66  #67  do_test rollback-1.6 { sqlite3_reset $STMT } {SQLITE_OK}68} else {69  do_test rollback-1.6 { sqlite3_reset $STMT } {SQLITE_OK}70}71 72do_test rollback-1.7 {73  sqlite3_step $STMT74} {SQLITE_ROW}75do_test rollback-1.8 {76  sqlite3_step $STMT77} {SQLITE_ROW}78do_test rollback-1.9 {79  sqlite3_finalize $STMT80} {SQLITE_OK}81 82if {$tcl_platform(platform) == "unix" 83 && [permutation] ne "onefile"84 && [permutation] ne "inmemory_journal"85 && [permutation] ne "atomic-batch-write"86 && [atomic_batch_write test.db]==087} {88  do_test rollback-2.1 {89    execsql {90      BEGIN;91      INSERT INTO t3 VALUES('hello world');92    }93    forcecopy test.db testA.db94    forcecopy test.db-journal testA.db-journal95    execsql {96      COMMIT;97    }98  } {}99 100  # At this point files testA.db and testA.db-journal are present in the101  # file system. This block adds a master-journal file pointer to the102  # end of testA.db-journal. The master-journal file does not exist.103  # 104  set mj [file normalize testA.db-mj-123]105  binary scan $mj c* a106  set cksum 0107  foreach i $a { incr cksum $i }108  set mj_pgno [expr $sqlite_pending_byte / 1024]109  set zAppend [binary format Ia*IIa8 $mj_pgno $mj [string length $mj] $cksum \110    "\xd9\xd5\x05\xf9\x20\xa1\x63\xd7"111  ]112  set iOffset [expr (([file size testA.db-journal] + 511)/512)*512]113  set fd [open testA.db-journal a+]114  fconfigure $fd -translation binary115  seek $fd $iOffset116  puts -nonewline $fd $zAppend117 118  # Also, fix the first journal-header in the journal-file. Because the119  # journal file has not yet been synced, the 8-byte magic string at the120  # start of the first journal-header has not been written by SQLite.121  # So write it now.122  seek $fd 0123  puts -nonewline $fd "\xd9\xd5\x05\xf9\x20\xa1\x63\xd7"124  close $fd125 126  # Open a handle on testA.db and use it to query the database. At one127  # point the first query would attempt a hot rollback, attempt to open128  # the master-journal file and return SQLITE_CANTOPEN when it could not129  # be opened. This is incorrect, it should simply delete the journal130  # file and proceed with the query.131  # 132  do_test rollback-2.2 {133    sqlite3 db2 testA.db134    execsql {135      SELECT distinct tbl_name FROM sqlite_master;136    } db2137  } {t1 t3}138  if {[lsearch {exclusive persistent_journal no_journal} [permutation]]<0} {139    do_test rollback-2.3 {140      file exists testA.db-journal141    } 0142  }143  do_test rollback-2.4 {144    execsql {145      SELECT distinct tbl_name FROM sqlite_master;146    } db2147  } {t1 t3}148 149  db2 close150}151 152finish_test153