From 7bb481fda9ecb134804b49c2ce77ca28f7eea583 Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Fri, 30 Mar 2012 20:42:12 -0400 Subject: Imported Upstream version 2.0.3 --- test/where6.test | 154 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 154 insertions(+) create mode 100644 test/where6.test (limited to 'test/where6.test') diff --git a/test/where6.test b/test/where6.test new file mode 100644 index 0000000..83e975b --- /dev/null +++ b/test/where6.test @@ -0,0 +1,154 @@ +# 2007 June 8 +# +# 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 that terms in the ON clause of +# a LEFT OUTER JOIN are not used with indices. See ticket #3015. +# +# $Id: where6.test,v 1.2 2008/04/17 19:14:02 drh Exp $ + +set testdir [file dirname $argv0] +source $testdir/tester.tcl + +# Build some test data +# +do_test where6-1.1 { + execsql { + CREATE TABLE t1(a INTEGER PRIMARY KEY,b,c); + INSERT INTO t1 VALUES(1,3,1); + INSERT INTO t1 VALUES(2,4,2); + CREATE TABLE t2(x INTEGER PRIMARY KEY); + INSERT INTO t2 VALUES(3); + + SELECT * FROM t1 LEFT JOIN t2 ON b=x AND c=1; + } +} {1 3 1 3 2 4 2 {}} +do_test where6-1.2 { + execsql { + SELECT * FROM t1 LEFT JOIN t2 ON x=b AND c=1; + } +} {1 3 1 3 2 4 2 {}} +do_test where6-1.3 { + execsql { + SELECT * FROM t1 LEFT JOIN t2 ON x=b AND 1=c; + } +} {1 3 1 3 2 4 2 {}} +do_test where6-1.4 { + execsql { + SELECT * FROM t1 LEFT JOIN t2 ON b=x AND 1=c; + } +} {1 3 1 3 2 4 2 {}} + +ifcapable explain { + do_test where6-1.5 { + explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON x=b AND 1=c} + } [explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON b=x AND c=1}] + do_test where6-1.6 { + explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON x=b WHERE 1=c} + } [explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON b=x WHERE c=1}] +} + +do_test where6-1.11 { + execsql { + SELECT * FROM t1 LEFT JOIN t2 ON b=x WHERE c=1; + } +} {1 3 1 3} +do_test where6-1.12 { + execsql { + SELECT * FROM t1 LEFT JOIN t2 ON x=b WHERE c=1; + } +} {1 3 1 3} +do_test where6-1.13 { + execsql { + SELECT * FROM t1 LEFT JOIN t2 ON b=x WHERE 1=c; + } +} {1 3 1 3} + + + +do_test where6-2.1 { + execsql { + CREATE INDEX i1 ON t1(c); + + SELECT * FROM t1 LEFT JOIN t2 ON b=x AND c=1; + } +} {1 3 1 3 2 4 2 {}} +do_test where6-2.2 { + execsql { + SELECT * FROM t1 LEFT JOIN t2 ON x=b AND c=1; + } +} {1 3 1 3 2 4 2 {}} +do_test where6-2.3 { + execsql { + SELECT * FROM t1 LEFT JOIN t2 ON x=b AND 1=c; + } +} {1 3 1 3 2 4 2 {}} +do_test where6-2.4 { + execsql { + SELECT * FROM t1 LEFT JOIN t2 ON b=x AND 1=c; + } +} {1 3 1 3 2 4 2 {}} + +ifcapable explain { + do_test where6-2.5 { + explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON x=b AND 1=c} + } [explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON b=x AND c=1}] + do_test where6-2.6 { + explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON x=b WHERE 1=c} + } [explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON b=x WHERE c=1}] +} + + +do_test where6-2.11 { + execsql { + SELECT * FROM t1 LEFT JOIN t2 ON b=x WHERE c=1; + } +} {1 3 1 3} +do_test where6-2.12 { + execsql { + SELECT * FROM t1 LEFT JOIN t2 ON x=b WHERE c=1; + } +} {1 3 1 3} +do_test where6-2.13 { + execsql { + SELECT * FROM t1 LEFT JOIN t2 ON x=b WHERE 1=c; + } +} {1 3 1 3} +do_test where6-2.14 { + execsql { + SELECT * FROM t1 LEFT JOIN t2 ON b=x WHERE 1=c; + } +} {1 3 1 3} + +# Ticket [ebdbadade5b]: +# If the ON close on a LEFT JOIN is of the form x=y where both x and y +# are indexed columns on tables to left of the join, then do not use that +# term with indices to either table. +# +do_test where6-3.1 { + db eval { + CREATE TABLE t4(x UNIQUE); + INSERT INTO t4 VALUES('abc'); + INSERT INTO t4 VALUES('def'); + INSERT INTO t4 VALUES('ghi'); + CREATE TABLE t5(a, b, c, PRIMARY KEY(a,b)); + INSERT INTO t5 VALUES('abc','def',123); + INSERT INTO t5 VALUES('def','ghi',456); + + SELECT t4a.x, t4b.x, t5.c, t6.v + FROM t4 AS t4a + INNER JOIN t4 AS t4b + LEFT JOIN t5 ON t5.a=t4a.x AND t5.b=t4b.x + LEFT JOIN (SELECT 1 AS v) AS t6 ON t4a.x=t4b.x + ORDER BY 1, 2, 3; + } +} {abc abc {} 1 abc def 123 {} abc ghi {} {} def abc {} {} def def {} 1 def ghi 456 {} ghi abc {} {} ghi def {} {} ghi ghi {} 1} + +finish_test -- cgit v1.2.3