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+# 2008 December 23
+#
+# 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
+# is testing of where.c. More specifically, the focus is on handling OOM
+# errors within the code that optimizes WHERE clauses that feature the
+# OR operator.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+source $testdir/malloc_common.tcl
+
+set testprefix wherefault
+
+do_malloc_test 1 -sqlprep {
+ CREATE TABLE t1(a, b, c);
+ CREATE INDEX i1 ON t1(a);
+ CREATE INDEX i2 ON t1(b);
+} -sqlbody {
+ SELECT c FROM t1
+ WHERE
+ a = 2 OR b = 'three' OR a = 4 OR b = 'five' OR a = 6 OR
+ b = 'seven' OR a = 8 OR b = 'nine' OR a = 10
+ ORDER BY rowid;
+
+ SELECT c FROM t1 WHERE
+ a = 1 OR a = 2 OR a = 3 OR a = 4 OR a = 5 OR a = 6;
+
+ SELECT c FROM t1 WHERE
+ a BETWEEN 1 AND 3 AND b < 5 AND b > 2 AND c = 4;
+}
+
+do_malloc_test 2 -tclprep {
+ db eval {
+ BEGIN;
+ CREATE TABLE t1(a, b, c);
+ CREATE INDEX i1 ON t1(a);
+ CREATE INDEX i2 ON t1(b);
+ }
+ for {set i 0} {$i < 1000} {incr i} {
+ set ii [expr $i*$i]
+ set iii [expr $i*$i]
+ db eval { INSERT INTO t1 VALUES($i, $ii, $iii) }
+ }
+ db eval COMMIT
+} -sqlbody {
+ SELECT count(*) FROM t1 WHERE a BETWEEN 5 AND 995 OR b BETWEEN 5 AND 900000;
+}
+
+reset_db
+do_execsql_test 3.0 {
+ PRAGMA writable_schema = 1;
+ BEGIN TRANSACTION;
+ CREATE TABLE t1(
+ a INT AS (c*11),
+ b TEXT AS (substr(d,1,3)) STORED,
+ c INTEGEB PRIMARI KEY, d TEXT
+ );
+ CREATE INDEX t1a ON t1(a);
+ COMMIT;
+}
+faultsim_save_and_close
+
+do_faultsim_test 3.1 -faults oom* -prep {
+ faultsim_restore_and_reopen
+} -body {
+ execsql {
+ SELECT * FROM (SELECT a FROM t1 NATURAL JOIN t1 WHERE a IN (SELECT b FROM t1 ORDER BY b)) WHERE (SELECT a FROM t1 NATURAL JOIN (SELECT * FROM (SELECT a FROM t1 NATURAL JOIN t1 WHERE a IN (SELECT CASE b WHEN 82 THEN 207 WHEN 869 THEN 406 WHEN 85 THEN 83 WHEN 705 THEN 698 ELSE 1992229051 END%5 FROM t1 ORDER BY b)) WHERE (SELECT a FROM t1 NATURAL JOIN (SELECT b FROM t1 ORDER BY b) WHERE a IN (SELECT b FROM t1 ORDER BY b))) WHERE a );
+ }
+} -test {
+ faultsim_test_result {0 {}}
+}
+
+finish_test