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Do not reuse factored constants that might have had their encodings changed.

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FossilOrigin-Name: 487f20366ce77f0c90865d10d5aaedd95af98694
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drh
2013-11-21 21:23:31 +00:00
parent d9f158e7b2
commit d673cddad6
5 changed files with 61 additions and 16 deletions
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test/func5.test
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# 2013-11-21
#
# 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.
#
#*************************************************************************
#
# Verify that constant string expressions that get factored into initializing
# code are not reused between function parameters and other values in the
# VDBE program, as the function might have changed the encoding.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
do_execsql_test func5-1.1 {
PRAGMA encoding=UTF16le;
CREATE TABLE t1(x,a,b,c);
INSERT INTO t1 VALUES(1,'ab','cd',1);
INSERT INTO t1 VALUES(2,'gh','ef',5);
INSERT INTO t1 VALUES(3,'pqr','fuzzy',99);
INSERT INTO t1 VALUES(4,'abcdefg','xy',22);
INSERT INTO t1 VALUES(5,'shoe','mayer',2953);
SELECT x FROM t1 WHERE c=instr('abcdefg',b) OR a='abcdefg' ORDER BY +x;
} {2 4}
do_execsql_test func5-1.2 {
SELECT x FROM t1 WHERE a='abcdefg' OR c=instr('abcdefg',b) ORDER BY +x;
} {2 4}
finish_test