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author | Hans-Christoph Steiner <hans@eds.org> | 2013-08-13 15:42:54 -0400 |
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committer | Hans-Christoph Steiner <hans@eds.org> | 2013-08-13 15:42:54 -0400 |
commit | 08119c361d1181b3e8f1abb429236e488a664753 (patch) | |
tree | 77e5a8b6d411ca32c360c7e48df5c293b1e0baac /test/whereE.test | |
parent | 1b5ba8e022836fa8ab93bc90df1b34a29ea6e134 (diff) |
Imported Upstream version 2.2.1
Diffstat (limited to 'test/whereE.test')
-rw-r--r-- | test/whereE.test | 62 |
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 |