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+# 2004 June 30
+#
+# 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.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library. The
+# focus of this file is verifying that a rollback in one statement
+# caused by an ON CONFLICT ROLLBACK clause aborts any other pending
+# statements.
+#
+# $Id: rollback.test,v 1.11 2009/06/26 07:12:07 danielk1977 Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+set DB [sqlite3_connection_pointer db]
+
+do_test rollback-1.1 {
+ execsql {
+ CREATE TABLE t1(a);
+ INSERT INTO t1 VALUES(1);
+ INSERT INTO t1 VALUES(2);
+ INSERT INTO t1 VALUES(3);
+ INSERT INTO t1 VALUES(4);
+ SELECT * FROM t1;
+ }
+} {1 2 3 4}
+
+ifcapable conflict {
+ do_test rollback-1.2 {
+ execsql {
+ CREATE TABLE t3(a unique on conflict rollback);
+ INSERT INTO t3 SELECT a FROM t1;
+ BEGIN;
+ INSERT INTO t1 SELECT * FROM t1;
+ }
+ } {}
+}
+do_test rollback-1.3 {
+ set STMT [sqlite3_prepare $DB "SELECT a FROM t1" -1 TAIL]
+ sqlite3_step $STMT
+} {SQLITE_ROW}
+
+ifcapable conflict {
+ # This causes a ROLLBACK, which deletes the table out from underneath the
+ # SELECT statement.
+ #
+ do_test rollback-1.4 {
+ catchsql {
+ INSERT INTO t3 SELECT a FROM t1;
+ }
+ } {1 {UNIQUE constraint failed: t3.a}}
+
+ # Try to continue with the SELECT statement
+ #
+ do_test rollback-1.5 {
+ sqlite3_step $STMT
+ } {SQLITE_ROW}
+
+ # Restart the SELECT statement
+ #
+ do_test rollback-1.6 { sqlite3_reset $STMT } {SQLITE_OK}
+} else {
+ do_test rollback-1.6 { sqlite3_reset $STMT } {SQLITE_OK}
+}
+
+do_test rollback-1.7 {
+ sqlite3_step $STMT
+} {SQLITE_ROW}
+do_test rollback-1.8 {
+ sqlite3_step $STMT
+} {SQLITE_ROW}
+do_test rollback-1.9 {
+ sqlite3_finalize $STMT
+} {SQLITE_OK}
+
+if {$tcl_platform(platform) == "unix"
+ && [permutation] ne "onefile"
+ && [permutation] ne "inmemory_journal"
+ && [permutation] ne "atomic-batch-write"
+ && [atomic_batch_write test.db]==0
+} {
+ do_test rollback-2.1 {
+ execsql {
+ BEGIN;
+ INSERT INTO t3 VALUES('hello world');
+ }
+ forcecopy test.db testA.db
+ forcecopy test.db-journal testA.db-journal
+ execsql {
+ COMMIT;
+ }
+ } {}
+
+ # At this point files testA.db and testA.db-journal are present in the
+ # file system. This block adds a master-journal file pointer to the
+ # end of testA.db-journal. The master-journal file does not exist.
+ #
+ set mj [file normalize testA.db-mj-123]
+ binary scan $mj c* a
+ set cksum 0
+ foreach i $a { incr cksum $i }
+ set mj_pgno [expr $sqlite_pending_byte / 1024]
+ set zAppend [binary format Ia*IIa8 $mj_pgno $mj [string length $mj] $cksum \
+ "\xd9\xd5\x05\xf9\x20\xa1\x63\xd7"
+ ]
+ set iOffset [expr (([file size testA.db-journal] + 511)/512)*512]
+ set fd [open testA.db-journal a+]
+ fconfigure $fd -encoding binary -translation binary
+ seek $fd $iOffset
+ puts -nonewline $fd $zAppend
+
+ # Also, fix the first journal-header in the journal-file. Because the
+ # journal file has not yet been synced, the 8-byte magic string at the
+ # start of the first journal-header has not been written by SQLite.
+ # So write it now.
+ seek $fd 0
+ puts -nonewline $fd "\xd9\xd5\x05\xf9\x20\xa1\x63\xd7"
+ close $fd
+
+ # Open a handle on testA.db and use it to query the database. At one
+ # point the first query would attempt a hot rollback, attempt to open
+ # the master-journal file and return SQLITE_CANTOPEN when it could not
+ # be opened. This is incorrect, it should simply delete the journal
+ # file and proceed with the query.
+ #
+ do_test rollback-2.2 {
+ sqlite3 db2 testA.db
+ execsql {
+ SELECT distinct tbl_name FROM sqlite_master;
+ } db2
+ } {t1 t3}
+ if {[lsearch {exclusive persistent_journal no_journal} [permutation]]<0} {
+ do_test rollback-2.3 {
+ file exists testA.db-journal
+ } 0
+ }
+ do_test rollback-2.4 {
+ execsql {
+ SELECT distinct tbl_name FROM sqlite_master;
+ } db2
+ } {t1 t3}
+
+ db2 close
+}
+
+finish_test