# 2007 June 8

#

# 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 file is testing that terms in the ON clause of

# a LEFT OUTER JOIN are not used with indices.  See ticket #3015.

#

# $Id: where6.test,v 1.2 2008/04/17 19:14:02 drh Exp $

set testdir [file dirname $argv0]

source $testdir/tester.tcl

# Build some test data

#

do_test where6-1.1 {

  execsql {

    CREATE TABLE t1(a INTEGER PRIMARY KEY,b,c);

    INSERT INTO t1 VALUES(1,3,1);

    INSERT INTO t1 VALUES(2,4,2);

    CREATE TABLE t2(x INTEGER PRIMARY KEY);

    INSERT INTO t2 VALUES(3);

    SELECT * FROM t1 LEFT JOIN t2 ON b=x AND c=1;

  }

} {1 3 1 3 2 4 2 {}}

do_test where6-1.2 {

  execsql {

    SELECT * FROM t1 LEFT JOIN t2 ON x=b AND c=1;

  }

} {1 3 1 3 2 4 2 {}}

do_test where6-1.3 {

  execsql {

    SELECT * FROM t1 LEFT JOIN t2 ON x=b AND 1=c;

  }

} {1 3 1 3 2 4 2 {}}

do_test where6-1.4 {

  execsql {

    SELECT * FROM t1 LEFT JOIN t2 ON b=x AND 1=c;

  }

} {1 3 1 3 2 4 2 {}}

ifcapable explain {

  do_test where6-1.5 {

     explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON x=b AND 1=c}

  } [explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON b=x AND c=1}]

  do_test where6-1.6 {

     explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON x=b WHERE 1=c}

  } [explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON b=x WHERE c=1}]

}

do_test where6-1.11 {

  execsql {

    SELECT * FROM t1 LEFT JOIN t2 ON b=x WHERE c=1;

  }

} {1 3 1 3}

do_test where6-1.12 {

  execsql {

    SELECT * FROM t1 LEFT JOIN t2 ON x=b WHERE c=1;

  }

} {1 3 1 3}

do_test where6-1.13 {

  execsql {

    SELECT * FROM t1 LEFT JOIN t2 ON b=x WHERE 1=c;

  }

} {1 3 1 3}

do_test where6-2.1 {

  execsql {

    CREATE INDEX i1 ON t1(c);

    SELECT * FROM t1 LEFT JOIN t2 ON b=x AND c=1;

  }

} {1 3 1 3 2 4 2 {}}

do_test where6-2.2 {

  execsql {

    SELECT * FROM t1 LEFT JOIN t2 ON x=b AND c=1;

  }

} {1 3 1 3 2 4 2 {}}

do_test where6-2.3 {

  execsql {

    SELECT * FROM t1 LEFT JOIN t2 ON x=b AND 1=c;

  }

} {1 3 1 3 2 4 2 {}}

do_test where6-2.4 {

  execsql {

    SELECT * FROM t1 LEFT JOIN t2 ON b=x AND 1=c;

  }

} {1 3 1 3 2 4 2 {}}

ifcapable explain {

  do_test where6-2.5 {

     explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON x=b AND 1=c}

  } [explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON b=x AND c=1}]

  do_test where6-2.6 {

     explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON x=b WHERE 1=c}

  } [explain_no_trace {SELECT * FROM t1 LEFT JOIN t2 ON b=x WHERE c=1}]

}

do_test where6-2.11 {

  execsql {

    SELECT * FROM t1 LEFT JOIN t2 ON b=x WHERE c=1;

  }

} {1 3 1 3}

do_test where6-2.12 {

  execsql {

    SELECT * FROM t1 LEFT JOIN t2 ON x=b WHERE c=1;

  }

} {1 3 1 3}

do_test where6-2.13 {

  execsql {

    SELECT * FROM t1 LEFT JOIN t2 ON x=b WHERE 1=c;

  }

} {1 3 1 3}

do_test where6-2.14 {

  execsql {

    SELECT * FROM t1 LEFT JOIN t2 ON b=x WHERE 1=c;

  }

} {1 3 1 3}

finish_test