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Diffstat (limited to 'test/whereA.test')
| -rw-r--r-- | test/whereA.test | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/test/whereA.test b/test/whereA.test new file mode 100644 index 0000000..dff24d8 --- /dev/null +++ b/test/whereA.test @@ -0,0 +1,189 @@ +# 2009 February 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 of this file is testing the reverse_select_order pragma. +# +# $Id: whereA.test,v 1.3 2009/06/10 19:33:29 drh Exp $ + +set testdir [file dirname $argv0] +source $testdir/tester.tcl + +do_test whereA-1.1 { + db eval { + CREATE TABLE t1(a INTEGER PRIMARY KEY, b UNIQUE, c); + INSERT INTO t1 VALUES(1,2,3); + INSERT INTO t1 values(2,'hello','world'); + INSERT INTO t1 VALUES(3,4.53,NULL); + SELECT * FROM t1 + } +} {1 2 3 2 hello world 3 4.53 {}} +do_test whereA-1.2 { + db eval { + PRAGMA reverse_unordered_selects=1; + SELECT * FROM t1; + } +} {3 4.53 {} 2 hello world 1 2 3} + +do_test whereA-1.3 { + db close + sqlite3 db test.db + db eval { + PRAGMA reverse_unordered_selects=1; + SELECT * FROM t1; + } +} {3 4.53 {} 2 hello world 1 2 3} +do_test whereA-1.4 { + db close + sqlite3 db test.db + db eval { + PRAGMA reverse_unordered_selects=1; + SELECT * FROM t1 ORDER BY rowid; + } +} {1 2 3 2 hello world 3 4.53 {}} +do_test whereA-1.5 { + db eval { + VACUUM; + SELECT * FROM t1 ORDER BY rowid; + } +} {1 2 3 2 hello world 3 4.53 {}} +do_test whereA-1.6 { + db eval { + PRAGMA reverse_unordered_selects; + } +} {1} +do_test whereA-1.7 { + db close + sqlite3 db test.db + db eval { + PRAGMA reverse_unordered_selects=1; + VACUUM; + SELECT * FROM t1; + } +} {3 4.53 {} 2 hello world 1 2 3} +do_execsql_test whereA-1.8 { + SELECT * FROM t1 WHERE b=2 AND a IS NULL; +} {} +do_execsql_test whereA-1.9 { + SELECT * FROM t1 WHERE b=2 AND a IS NOT NULL; +} {1 2 3} + +do_test whereA-2.1 { + db eval { + PRAGMA reverse_unordered_selects=0; + SELECT * FROM t1 WHERE a>0; + } +} {1 2 3 2 hello world 3 4.53 {}} +do_test whereA-2.2 { + db eval { + PRAGMA reverse_unordered_selects=1; + SELECT * FROM t1 WHERE a>0; + } +} {3 4.53 {} 2 hello world 1 2 3} + +do_test whereA-2.3 { + db eval { + PRAGMA reverse_unordered_selects=1; + SELECT * FROM t1 WHERE a>0 ORDER BY rowid; + } +} {1 2 3 2 hello world 3 4.53 {}} + +do_test whereA-3.1 { + db eval { + PRAGMA reverse_unordered_selects=0; + SELECT * FROM t1 WHERE b>0; + } +} {1 2 3 3 4.53 {} 2 hello world} +do_test whereA-3.2 { + db eval { + PRAGMA reverse_unordered_selects=1; + SELECT * FROM t1 WHERE b>0; + } +} {2 hello world 3 4.53 {} 1 2 3} +do_test whereA-3.3 { + db eval { + PRAGMA reverse_unordered_selects=1; + SELECT * FROM t1 WHERE b>0 ORDER BY b; + } +} {1 2 3 3 4.53 {} 2 hello world} + +do_test whereA-4.1 { + db eval { + CREATE TABLE t2(x); + INSERT INTO t2 VALUES(1); + INSERT INTO t2 VALUES(2); + SELECT x FROM t2; + } +} {2 1} +# Do an SQL statement. Append the search count to the end of the result. +# +proc count sql { + set ::sqlite_sort_count 0 + return [concat [execsql $sql] $::sqlite_sort_count] +} +do_test whereA-4.2 { ;# Ticket #3904 + db eval { + CREATE INDEX t2x ON t2(x); + } + count { + SELECT x FROM t2; + } +} {2 1 0} +do_test whereA-4.3 { + count { + SELECT x FROM t2 ORDER BY x; + } +} {1 2 0} +do_test whereA-4.4 { + count { + SELECT x FROM t2 ORDER BY x DESC; + } +} {2 1 0} +do_test whereA-4.5 { + db eval {DROP INDEX t2x;} + count { + SELECT x FROM t2 ORDER BY x; + } +} {1 2 1} +do_test whereA-4.6 { + count { + SELECT x FROM t2 ORDER BY x DESC; + } +} {2 1 1} + +# Ticket https://sqlite.org/src/tktview/cb91bf4290c211 2017-08-01 +# Assertion fault following PRAGMA reverse_unordered_selects=ON. +# +do_execsql_test whereA-5.1 { + PRAGMA reverse_unordered_selects=on; + DROP TABLE IF EXISTS t1; + CREATE TABLE t1(a,b); + INSERT INTO t1 VALUES(1,2); + CREATE INDEX t1b ON t1(b); + SELECT a FROM t1 WHERE b=-99 OR b>1; +} {1} + +# 2020-10-02 OSSFuzz find for an issue introduced by a check-in +# on the previous day. +# +reset_db +do_execsql_test whereA-6.1 { + CREATE TABLE t1(a, b); + CREATE INDEX t1aa ON t1(a,a); + INSERT INTO t1 VALUES(1,2); + ANALYZE; + UPDATE sqlite_stat1 SET stat='27 3 3' WHERE idx='t1aa'; + ANALYZE sqlite_schema; + PRAGMA reverse_unordered_selects (1) ; + SELECT a FROM t1 WHERE a=1 OR a=2; +} {1} + + +finish_test |