# 2005 November 26

#

# 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.

#

# This file implements tests to verify that ticket #1537 is

# fixed.  

#

set testdir [file dirname $argv0]

source $testdir/tester.tcl

do_test tkt1537-1.1 {

  execsql {

    CREATE TABLE t1(id, a1, a2);

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

    INSERT INTO t1 VALUES(2, 1, 3);

    CREATE TABLE t2(id, b);

    INSERT INTO t2 VALUES(3, 1);

    INSERT INTO t2 VALUES(4, NULL);

    SELECT * FROM t1 LEFT JOIN t2 ON a1=b OR a2=+b;

  }

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

do_test tkt1537-1.2 {

  execsql {

    SELECT * FROM t1 LEFT JOIN t2 ON a1=b OR a2=b;

  }

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

do_test tkt1537-1.3 {

  execsql {

    SELECT * FROM t2 LEFT JOIN t1 ON a1=b OR a2=b;

  }

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

ifcapable subquery {

  do_test tkt1537-1.4 {

    execsql {

      SELECT * FROM t1 LEFT JOIN t2 ON b IN (a1,a2);

    }

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

  do_test tkt1537-1.5 {

    execsql {

      SELECT * FROM t2 LEFT JOIN t1 ON b IN (a2,a1);

    }

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

}

do_test tkt1537-1.6 {

  execsql {

    CREATE INDEX t1a1 ON t1(a1);

    CREATE INDEX t1a2 ON t1(a2);

    CREATE INDEX t2b ON t2(b);

    SELECT * FROM t1 LEFT JOIN t2 ON a1=b OR a2=b;

  }

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

do_test tkt1537-1.7 {

  execsql {

    SELECT * FROM t2 LEFT JOIN t1 ON a1=b OR a2=b;

  }

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

ifcapable subquery {

  do_test tkt1537-1.8 {

    execsql {

      SELECT * FROM t1 LEFT JOIN t2 ON b IN (a1,a2);

    }

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

  do_test tkt1537-1.9 {

    execsql {

      SELECT * FROM t2 LEFT JOIN t1 ON b IN (a2,a1);

    }

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

}

execsql {

  DROP INDEX t1a1;

  DROP INDEX t1a2;

  DROP INDEX t2b;

}

do_test tkt1537-2.1 {

  execsql {

    SELECT * FROM t1 LEFT JOIN t2 ON b BETWEEN a1 AND a2;

  }

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

do_test tkt1537-2.2 {

  execsql {

    CREATE INDEX t2b ON t2(b);

    SELECT * FROM t1 LEFT JOIN t2 ON b BETWEEN a1 AND a2;

  }

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

do_test tkt1537-2.3 {

  execsql {

    SELECT * FROM t2 LEFT JOIN t1 ON b BETWEEN a1 AND a2;

  }

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

do_test tkt1537-2.4 {

  execsql {

    CREATE INDEX t1a1 ON t1(a1);

    CREATE INDEX t1a2 ON t1(a2);

    SELECT * FROM t2 LEFT JOIN t1 ON b BETWEEN a1 AND a2;

  }

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

do_test tkt1537-3.1 {

  execsql {

    SELECT * FROM t1 LEFT JOIN t2 ON b GLOB 'abc*' WHERE t1.id=1;

  }

} {1 {} {} {} {}}

do_test tkt1537-3.2 {

  execsql { 

    SELECT * FROM t2 LEFT JOIN t1 ON a1 GLOB 'abc*' WHERE t2.id=3;

  }

} {3 1 {} {} {}}

finish_test