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test/tkt3911.test
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drh
Make sure nested queries with USING clauses do not leak memory.
12 июн 2009, 07:27
12 июн 2009, 07:27
c3a8402
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# 2009 June 11 # # 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. # #*********************************************************************** # # Tests to verify ticket #3911 is fixed. # # $Id: tkt3911.test,v 1.1 2009/06/12 03:27:28 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl do_test tkt3911.1 { execsql { CREATE TABLE t1(a,b); INSERT INTO t1 VALUES(1,2); INSERT INTO t1 VALUES(11,12); CREATE TABLE t2(b,c); INSERT INTO t2 VALUES(2,3); INSERT INTO t2 VALUES(22,23); SELECT * FROM t1 JOIN t2 USING(b); } } {1 2 3} do_test tkt3911.2 { db eval { SELECT * FROM t1 JOIN (t2) AS x USING (b); } } {1 2 3} do_test tkt3911.3 { db eval { SELECT * FROM t1 JOIN (SELECT * FROM t2) AS x USING (b); } } {1 2 3} do_test tkt3911.4 { db eval { CREATE TABLE t3(m,a); INSERT INTO t3 VALUES('one',1); INSERT INTO t3 VALUES('two',2); SELECT * FROM t3 JOIN (SELECT * FROM t1 NATURAL JOIN t2) AS x USING(a); } } {one 1 2 3} do_test tkt3911.5 { db eval { SELECT * FROM t3 JOIN (SELECT * FROM t1 JOIN t2 USING (b)) AS x USING(a); } } {one 1 2 3} finish_test