3 # The author disclaims copyright to this source code. In place of
4 # a legal notice, here is a blessing:
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.
10 #***********************************************************************
11 # This file implements regression tests for SQLite library. Specifically,
12 # it tests that ticket [fa7bf5ec94801e7e2030e41eefe5d9dd96eaacfd] has
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
24 set testdir [file dirname $argv0]
25 source $testdir/tester.tcl
27 do_test tkt-fa7bf5ec-1 {
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)