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37 lines
965 B
Plaintext
37 lines
965 B
Plaintext
# 2016-08-18
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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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# The focus of this file is handling of NULL values in row-value IN
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# expressions.
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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 rowvalue6
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do_execsql_test 1.1 {
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CREATE TABLE t1(a,b,c);
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CREATE INDEX t1x1 ON t1(a,b);
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INSERT INTO t1 VALUES(1,NULL,200);
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CREATE TABLE t2(x,y,z);
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INSERT INTO t2 VALUES(1,NULL,55);
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SELECT c FROM t1 WHERE (a,b) IN (SELECT x,y FROM t2 WHERE z==55);
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} {}
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do_execsql_test 1.2 {
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INSERT INTO t1 VALUES(2,3,400);
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INSERT INTO t2 VALUES(2,3,55);
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SELECT c FROM t1 WHERE (a,b) IN (SELECT x,y FROM t2 WHERE z==55);
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} {400}
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finish_test
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