108 lines
2.6 KiB
Plaintext
108 lines
2.6 KiB
Plaintext
# 2011 September 16
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#*************************************************************************
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# This file implements regression tests for SQLite library. The
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# focus of this script is testing correlated subqueries
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#
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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set ::testprefix subquery2
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ifcapable !subquery {
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finish_test
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return
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}
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do_test subquery2-1.1 {
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execsql {
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BEGIN;
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CREATE TABLE t1(a,b);
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INSERT INTO t1 VALUES(1,2);
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INSERT INTO t1 VALUES(3,4);
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INSERT INTO t1 VALUES(5,6);
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INSERT INTO t1 VALUES(7,8);
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CREATE TABLE t2(c,d);
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INSERT INTO t2 VALUES(1,1);
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INSERT INTO t2 VALUES(3,9);
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INSERT INTO t2 VALUES(5,25);
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INSERT INTO t2 VALUES(7,49);
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CREATE TABLE t3(e,f);
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INSERT INTO t3 VALUES(1,1);
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INSERT INTO t3 VALUES(3,27);
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INSERT INTO t3 VALUES(5,125);
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INSERT INTO t3 VALUES(7,343);
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COMMIT;
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}
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execsql {
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SELECT a FROM t1
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WHERE b IN (SELECT x+1 FROM (SELECT DISTINCT f/(a*a) AS x FROM t3));
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}
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} {1 3 5 7}
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do_test subquery2-1.2 {
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execsql {
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CREATE INDEX t1b ON t1(b);
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SELECT a FROM t1
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WHERE b IN (SELECT x+1 FROM (SELECT DISTINCT f/(a*a) AS x FROM t3));
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}
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} {1 3 5 7}
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do_test subquery2-1.11 {
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execsql {
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SELECT a FROM t1
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WHERE +b=(SELECT x+1 FROM (SELECT DISTINCT f/(a*a) AS x FROM t3));
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}
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} {1}
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do_test subquery2-1.12 {
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execsql {
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SELECT a FROM t1
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WHERE b=(SELECT x+1 FROM (SELECT DISTINCT f/(a*a) AS x FROM t3));
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}
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} {1}
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do_test subquery2-1.21 {
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execsql {
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SELECT a FROM t1
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WHERE +b=(SELECT x+1 FROM
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(SELECT DISTINCT f/d AS x FROM t2 JOIN t3 ON d*a=f))
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}
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} {1 3 5 7}
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do_test subquery2-1.22 {
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execsql {
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SELECT a FROM t1
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WHERE b=(SELECT x+1 FROM
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(SELECT DISTINCT f/d AS x FROM t2 JOIN t3 ON d*a=f))
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}
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} {1 3 5 7}
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#-------------------------------------------------------------------------
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# Test that ticket d6b36be38a has been fixed.
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do_execsql_test 2.1 {
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CREATE TABLE t4(a, b);
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CREATE TABLE t5(a, b);
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INSERT INTO t5 VALUES(3, 5);
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INSERT INTO t4 VALUES(1, 1);
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INSERT INTO t4 VALUES(2, 3);
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INSERT INTO t4 VALUES(3, 6);
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INSERT INTO t4 VALUES(4, 10);
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INSERT INTO t4 VALUES(5, 15);
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}
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do_execsql_test 2.2 {
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SELECT *
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FROM (SELECT * FROM t4 ORDER BY a LIMIT -1 OFFSET 1)
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LIMIT (SELECT a FROM t5)
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} {2 3 3 6 4 10}
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finish_test
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