#

# 2007 June 20

#

# 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.  The

# focus of this script is making sure collations pass through the

# unary + operator.

#

# $Id: collate8.test,v 1.2 2008/08/25 12:14:09 drh Exp $

set testdir [file dirname $argv0]

source $testdir/tester.tcl

do_test collate8-1.1 {

  execsql {

    CREATE TABLE t1(a TEXT COLLATE nocase);

    INSERT INTO t1 VALUES('aaa');

    INSERT INTO t1 VALUES('BBB');

    INSERT INTO t1 VALUES('ccc');

    INSERT INTO t1 VALUES('DDD');

    SELECT a FROM t1 ORDER BY a;

  }

} {aaa BBB ccc DDD}

do_test collate8-1.2 {

  execsql {

    SELECT rowid FROM t1 WHERE a<'ccc' ORDER BY 1

  }

} {1 2}

do_test collate8-1.3 {

  execsql {

    SELECT rowid FROM t1 WHERE a<'ccc' COLLATE binary ORDER BY 1

  }

} {1 2 4}

do_test collate8-1.4 {

  execsql {

    SELECT rowid FROM t1 WHERE +a<'ccc' ORDER BY 1

  }

} {1 2}

do_test collate8-1.5 {

  execsql {

    SELECT a FROM t1 ORDER BY +a

  }

} {aaa BBB ccc DDD}

do_test collate8-1.11 {

  execsql {

    SELECT a AS x FROM t1 ORDER BY "x";

  }

} {aaa BBB ccc DDD}

do_test collate8-1.12 {

  execsql {

    SELECT a AS x FROM t1 WHERE x<'ccc' ORDER BY 1

  }

} {aaa BBB}

do_test collate8-1.13 {

  execsql {

    SELECT a AS x FROM t1 WHERE x<'ccc' COLLATE binary ORDER BY [x]

  }

} {aaa BBB DDD}

do_test collate8-1.14 {

  execsql {

    SELECT a AS x FROM t1 WHERE +x<'ccc' ORDER BY 1

  }

} {aaa BBB}

do_test collate8-1.15 {

  execsql {

    SELECT a AS x FROM t1 ORDER BY +x

  }

} {aaa BBB ccc DDD}

# When a result-set column is aliased into a WHERE clause, make sure the

# collating sequence logic works correctly.

#

do_test collate8-2.1 {

  execsql {

    CREATE TABLE t2(a);

    INSERT INTO t2 VALUES('abc');

    INSERT INTO t2 VALUES('ABC');

    SELECT a AS x FROM t2 WHERE x='abc';

  }

} {abc}

do_test collate8-2.2 {

  execsql {

    SELECT a AS x FROM t2 WHERE x='abc' COLLATE nocase;

  }

} {abc ABC}

do_test collate8-2.3 {

  execsql {

    SELECT a AS x FROM t2 WHERE (x COLLATE nocase)='abc';

  }

} {abc ABC}

do_test collate8-2.4 {

  execsql {

    SELECT a COLLATE nocase AS x FROM t2 WHERE x='abc';

  }

} {abc ABC}

do_test collate8-2.5 {

  execsql {

    SELECT a COLLATE nocase AS x FROM t2 WHERE (x COLLATE binary)='abc';

  }

} {abc}

do_test collate8-2.6 {

  execsql {

    SELECT a COLLATE nocase AS x FROM t2 WHERE x='abc' COLLATE binary;

  }

} {abc ABC}

do_test collate8-2.7 {

  execsql {

    SELECT * FROM t2 WHERE (a COLLATE nocase)='abc' COLLATE binary;

  }

} {abc ABC}

do_test collate8-2.8 {

  execsql {

    SELECT a COLLATE nocase AS x FROM t2 WHERE 'abc'=x COLLATE binary;

  }

} {abc}

finish_test