Annotation of embedaddon/sqlite3/test/tkt-fa7bf5ec.test, revision 1.1

1.1     ! misho       1: # 2011 October 13
        !             2: #
        !             3: # The author disclaims copyright to this source code.  In place of
        !             4: # a legal notice, here is a blessing:
        !             5: #
        !             6: #    May you do good and not evil.
        !             7: #    May you find forgiveness for yourself and forgive others.
        !             8: #    May you share freely, never taking more than you give.
        !             9: #
        !            10: #***********************************************************************
        !            11: # This file implements regression tests for SQLite library. Specifically,
        !            12: # it tests that ticket [fa7bf5ec94801e7e2030e41eefe5d9dd96eaacfd] has
        !            13: # been resolved.
        !            14: #
        !            15: # The problem described by this ticket was that the sqlite3ExprCompare()
        !            16: # function was saying that expressions (x='a') and (x='A') were identical
        !            17: # because it was using sqlite3StrICmp() instead of strcmp() to compare string
        !            18: # literals.  That was causing the query optimizer for aggregate queries to 
        !            19: # believe that both count() operations were identical, and thus only 
        !            20: # computing the first count() and making a copy of the result for the 
        !            21: # second count().
        !            22: #
        !            23: 
        !            24: set testdir [file dirname $argv0]
        !            25: source $testdir/tester.tcl
        !            26: 
        !            27: do_test tkt-fa7bf5ec-1 {
        !            28:   execsql {
        !            29:     CREATE TABLE t1(x);
        !            30:     INSERT INTO t1 VALUES ('a');
        !            31:     INSERT INTO t1 VALUES ('A');
        !            32:     INSERT INTO t1 VALUES ('A');
        !            33:     SELECT count(CASE WHEN x='a' THEN 1 END),
        !            34:            count(CASE WHEN x='A' THEN 1 END)
        !            35:       FROM t1;
        !            36:   }
        !            37: } {1 2}
        !            38: 
        !            39: finish_test

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