Artifact 44f4e1b2c86e40f8135294a826ec4142766e21c3:

• File test/selectC.test — part of check-in [f8b759f1] at 2008-09-17 00:13:12 on branch trunk — Fix for tickets #3378 and #3381 that preserves the aliasing optimization. And yet, this fix feels uncomfortable. Seeking an alternative... (CVS 5712) (user: drh size: 2512)

# 2008 September 16
#
# 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.
#
#***********************************************************************
# This file implements regression tests for SQLite library. 
#
# $Id: selectC.test,v 1.3 2008/09/17 00:13:12 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

# Ticket #
do_test selectC-1.1 {
  execsql {
    CREATE TABLE t1(a, b, c);
    INSERT INTO t1 VALUES(1,'aaa','bbb');
    INSERT INTO t1 SELECT * FROM t1;
    INSERT INTO t1 VALUES(2,'ccc','ddd');

    SELECT DISTINCT a AS x, b||c AS y
      FROM t1
     WHERE y IN ('aaabbb','xxx');
  }
} {1 aaabbb}
do_test selectC-1.2 {
  execsql {
    SELECT DISTINCT a AS x, b||c AS y
      FROM t1
     WHERE b||c IN ('aaabbb','xxx');
  }
} {1 aaabbb}
do_test selectC-1.3 {
  execsql {
    SELECT DISTINCT a AS x, b||c AS y
      FROM t1
     WHERE y='aaabbb'
  }
} {1 aaabbb}
do_test selectC-1.4 {
  execsql {
    SELECT DISTINCT a AS x, b||c AS y
      FROM t1
     WHERE b||c='aaabbb'
  }
} {1 aaabbb}
do_test selectC-1.5 {
  execsql {
    SELECT DISTINCT a AS x, b||c AS y
      FROM t1
     WHERE x=2
  }
} {2 cccddd}
do_test selectC-1.6 {
  execsql {
    SELECT DISTINCT a AS x, b||c AS y
      FROM t1
     WHERE a=2
  }
} {2 cccddd}
do_test selectC-1.7 {
  execsql {
    SELECT DISTINCT a AS x, b||c AS y
      FROM t1
     WHERE +y='aaabbb'
  }
} {1 aaabbb}
do_test selectC-1.8 {
  execsql {
    SELECT a AS x, b||c AS y
      FROM t1
     GROUP BY x, y
    HAVING y='aaabbb'
  }
} {1 aaabbb}
do_test selectC-1.9 {
  execsql {
    SELECT a AS x, b||c AS y
      FROM t1
     GROUP BY x, y
    HAVING b||c='aaabbb'
  }
} {1 aaabbb}
do_test selectC-1.10 {
  execsql {
    SELECT a AS x, b||c AS y
      FROM t1
     WHERE y='aaabbb'
     GROUP BY x, y
  }
} {1 aaabbb}
do_test selectC-1.11 {
  execsql {
    SELECT a AS x, b||c AS y
      FROM t1
     WHERE b||c='aaabbb'
     GROUP BY x, y
  }
} {1 aaabbb}
do_test selectC-1.12 {
  execsql {
    SELECT DISTINCT upper(b) AS x
      FROM t1
     ORDER BY x
  }
} {AAA CCC}
do_test selectC-1.13 {
  execsql {
    SELECT upper(b) AS x
      FROM t1
     GROUP BY x
     ORDER BY x
  }
} {AAA CCC}
do_test selectC-1.14 {
  execsql {
    SELECT upper(b) AS x
      FROM t1
     ORDER BY x DESC
  }
} {CCC AAA AAA}

finish_test