31daa63f3e
Ticket #3461. The column cache and result set alias cache mechanisms are prone to this kind of error and need to be refactored. This check-in should be considered a temporary fix in advance of a more general redesign of the whole mechanism. (CVS 5841) FossilOrigin-Name: 1fa3bbd8220ce073e91935ea362b6f5d5d6d2859
68 lines
1.7 KiB
Plaintext
68 lines
1.7 KiB
Plaintext
# 2008 October 25
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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.
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#
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# This file implements tests to verify that ticket #3461 has been
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# fixed.
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#
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# $Id: tkt3461.test,v 1.2 2008/10/25 15:03:21 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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####################################
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####################################
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# REMOVE THESE TWO LINES:
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####################################
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####################################
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#finish_test
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#return
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do_test tkt3461-1.1 {
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execsql {
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CREATE TABLE t1(a, b);
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INSERT INTO t1 VALUES(1, 2);
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}
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} {}
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do_test tkt3461-1.2 {
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execsql { SELECT a, b+1 AS b_plus_one FROM t1 WHERE a=1 }
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} {1 3}
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do_test tkt3461-1.3 {
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# explain { SELECT a, b+1 AS b_plus_one FROM t1 WHERE a=1 OR b_plus_one }
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# execsql { PRAGMA vdbe_trace = 1; PRAGMA vdbe_listing=1 }
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execsql { SELECT a, b+1 AS b_plus_one FROM t1 WHERE a=1 OR b_plus_one }
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} {1 3}
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do_test tkt3461-2.1 {
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execsql {
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SELECT a, b+1 AS b_plus_one
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FROM t1
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WHERE CASE WHEN a=1 THEN 1 ELSE b_plus_one END
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}
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} {1 3}
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do_test tkt3461-3.1 {
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execsql {
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CREATE TABLE t2(c, d);
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INSERT INTO t2 VALUES(3, 4);
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}
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# execsql { PRAGMA vdbe_trace = 1; PRAGMA vdbe_listing=1 }
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execsql {
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SELECT a, b+1 AS b_plus_one, c, d
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FROM t1 LEFT JOIN t2
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ON (a=c AND d=b_plus_one)
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}
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} {1 3 {} {}}
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finish_test
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