summaryrefslogtreecommitdiff
path: root/test/whereE.test
diff options
context:
space:
mode:
authorHans-Christoph Steiner <hans@eds.org>2013-08-13 15:43:01 -0400
committerHans-Christoph Steiner <hans@eds.org>2013-08-13 15:43:01 -0400
commit4228998fd796fa2f9e84fb73632e0a07cc7cd188 (patch)
tree15b2336f351468fedd0c39e9de4ad905a686f3b0 /test/whereE.test
parentbdee7cf7d974b2f70d5934786c5666006e7360be (diff)
parent08119c361d1181b3e8f1abb429236e488a664753 (diff)
Merge tag 'upstream/2.2.1'
Upstream version 2.2.1 # gpg: Signature made Tue 13 Aug 2013 03:42:56 PM EDT using RSA key ID 374BBE81 # gpg: Good signature from "Hans-Christoph Steiner <hans@at.or.at>" # gpg: aka "[jpeg image of size 5408]" # gpg: aka "Hans-Christoph Steiner <hs420@nyu.edu>" # gpg: aka "Hans-Christoph Steiner <hans@eds.org>" # gpg: aka "Hans-Christoph Steiner <hans@guardianproject.info>" # gpg: aka "Hans-Christoph Steiner <hansi@nyu.edu>" # gpg: aka "Hans-Christoph Steiner <hans@guardianproject.info>"
Diffstat (limited to 'test/whereE.test')
-rw-r--r--test/whereE.test62
1 files changed, 62 insertions, 0 deletions
diff --git a/test/whereE.test b/test/whereE.test
new file mode 100644
index 0000000..e686a46
--- /dev/null
+++ b/test/whereE.test
@@ -0,0 +1,62 @@
+# 2012 November 9
+#
+# 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 query planner to make sure it
+# is making good planning decisions.
+#
+
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set ::testprefix whereE
+
+do_execsql_test 1.1 {
+ CREATE TABLE t1(a,b);
+ INSERT INTO t1 VALUES(1,10), (2,20), (3,30), (2,22), (3, 33);
+ INSERT INTO t1 SELECT * FROM t1;
+ INSERT INTO t1 SELECT * FROM t1;
+ INSERT INTO t1 SELECT * FROM t1;
+ INSERT INTO t1 SELECT * FROM t1;
+ INSERT INTO t1 SELECT * FROM t1;
+ INSERT INTO t1 SELECT * FROM t1;
+ INSERT INTO t1 SELECT * FROM t1;
+ INSERT INTO t1 SELECT * FROM t1;
+ INSERT INTO t1 SELECT * FROM t1;
+ INSERT INTO t1 SELECT * FROM t1;
+ ALTER TABLE t1 ADD COLUMN c;
+ UPDATE t1 SET c=a*rowid+10000;
+ CREATE INDEX t1ab ON t1(a,b);
+
+ CREATE TABLE t2(x,y);
+ INSERT INTO t2 VALUES(4,44),(5,55),(6,66),(7,77);
+ INSERT INTO t2 SELECT x+4, (x+4)*11 FROM t2;
+ INSERT INTO t2 SELECT x+8, (x+8)*11 FROM t2;
+ INSERT INTO t2 SELECT x+16, (x+16)*11 FROM t2;
+ INSERT INTO t2 SELECT x+32, (x+32)*11 FROM t2;
+ INSERT INTO t2 SELECT x+64, (x+32)*11 FROM t2;
+ ALTER TABLE t2 ADD COLUMN z;
+ UPDATE t2 SET z=2;
+ CREATE UNIQUE INDEX t2zx ON t2(z,x);
+
+ EXPLAIN QUERY PLAN SELECT x FROM t1, t2 WHERE a=z AND c=x;
+} {/.*SCAN TABLE t1 .*SEARCH TABLE t2 .*/}
+do_execsql_test 1.2 {
+ EXPLAIN QUERY PLAN SELECT x FROM t2, t1 WHERE a=z AND c=x;
+} {/.*SCAN TABLE t1 .*SEARCH TABLE t2 .*/}
+do_execsql_test 1.3 {
+ ANALYZE;
+ EXPLAIN QUERY PLAN SELECT x FROM t1, t2 WHERE a=z AND c=x;
+} {/.*SCAN TABLE t1 .*SEARCH TABLE t2 .*/}
+do_execsql_test 1.4 {
+ EXPLAIN QUERY PLAN SELECT x FROM t2, t1 WHERE a=z AND c=x;
+} {/.*SCAN TABLE t1 .*SEARCH TABLE t2 .*/}
+
+finish_test