Adding upstream version 1.37.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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testdata/tcl/tkt-fa7bf5ec.test
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# 2011 October 13
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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. Specifically,
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# it tests that ticket [fa7bf5ec94801e7e2030e41eefe5d9dd96eaacfd] has
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# been resolved.
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#
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# The problem described by this ticket was that the sqlite3ExprCompare()
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# function was saying that expressions (x='a') and (x='A') were identical
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# because it was using sqlite3StrICmp() instead of strcmp() to compare string
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# literals. That was causing the query optimizer for aggregate queries to
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# believe that both count() operations were identical, and thus only
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# computing the first count() and making a copy of the result for the
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# second count().
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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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do_test tkt-fa7bf5ec-1 {
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execsql {
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CREATE TABLE t1(x);
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INSERT INTO t1 VALUES ('a');
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INSERT INTO t1 VALUES ('A');
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INSERT INTO t1 VALUES ('A');
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SELECT count(CASE WHEN x='a' THEN 1 END),
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count(CASE WHEN x='A' THEN 1 END)
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FROM t1;
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}
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} {1 2}
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finish_test
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