# 2006 June 10

#

# 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: vtab2.test,v 1.8 2008/01/31 15:53:46 drh Exp $

set testdir [file dirname $argv0]

source $testdir/tester.tcl

ifcapable !vtab||!schema_pragmas {

  finish_test

  return

}

register_schema_module [sqlite3_connection_pointer db]

do_test vtab2-1.1 {

  execsql {

    CREATE VIRTUAL TABLE schema USING schema;

    SELECT * FROM schema;

  }

} [list \

  main schema 0 database   {} 0 {} 0 \

  main schema 1 tablename  {} 0 {} 0 \

  main schema 2 cid        {} 0 {} 0 \

  main schema 3 name       {} 0 {} 0 \

  main schema 4 type       {} 0 {} 0 \

  main schema 5 not_null   {} 0 {} 0 \

  main schema 6 dflt_value {} 0 {} 0 \

  main schema 7 pk         {} 0 {} 0 \

]

# See ticket #2230.

#

do_test vtab2-1.2 {

  execsql {

    SELECT length(tablename) FROM schema GROUP by tablename;

  }

} {6}

do_test vtab2-1.3 {

  execsql {

    SELECT tablename FROM schema GROUP by length(tablename);

  }

} {schema}

do_test vtab2-1.4 {

  execsql {

    SELECT length(tablename) FROM schema GROUP by length(tablename);

  }

} {6}

register_tclvar_module [sqlite3_connection_pointer db]

do_test vtab2-2.1 {

  set ::abc 123

  execsql {

    CREATE VIRTUAL TABLE vars USING tclvar;

    SELECT * FROM vars WHERE name='abc';

  }

} [list abc "" 123]

do_test vtab2-2.2 {

  set A(1) 1

  set A(2) 4

  set A(3) 9

  execsql {

    SELECT * FROM vars WHERE name='A';

  }

} [list A 1 1 A 2 4 A 3 9]

unset -nocomplain result

unset -nocomplain var

set result {}

foreach var [lsort [info vars tcl_*]] {

  catch {lappend result $var [set $var]}

}

do_test vtab2-2.3 {

  execsql {

    SELECT name, value FROM vars

      WHERE name MATCH 'tcl_*' AND arrayname = '' 

      ORDER BY name;

  }

} $result

unset result

unset var

# Ticket #2894.

#

# Make sure we do call Column(), and Rowid() methods of

# a virtual table when that table is in a LEFT JOIN.

#

do_test vtab2-3.1 {

  execsql {

    SELECT * FROM schema WHERE dflt_value IS NULL LIMIT 1

  }

} {main schema 0 database {} 0 {} 0}

do_test vtab2-3.2 {

  execsql {

    SELECT *, b.rowid

      FROM schema a LEFT JOIN schema b ON a.dflt_value=b.dflt_value

     WHERE a.rowid=1

  }

} {main schema 0 database {} 0 {} 0 {} {} {} {} {} {} {} {} {}}

finish_test