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Overview
Comment:Tests for the subquery flattening fix of check-in (2987). (CVS 2988)
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SHA1: 72a067f0df5818c0fdb3b9f8af20f83bb2e1dd34
User & Date: drh 2006-01-22 00:14:39.000
Context
2006-01-22
00:42
Code size reductions in select.c. (CVS 2989) (check-in: 3c2eee5e1f user: drh tags: trunk)
00:14
Tests for the subquery flattening fix of check-in (2987). (CVS 2988) (check-in: 72a067f0df user: drh tags: trunk)
2006-01-21
22:19
Do not flatten subqueries in a join where the subquery includes a LIMIT. Ticket #1634. This is just an initial fix. Many test cases need to be added prior to closing the ticket. (CVS 2987) (check-in: af18c0f431 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to test/select6.test.
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#    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 SELECT statements that contain
# subqueries in their FROM clause.
#
# $Id: select6.test,v 1.21 2005/11/14 22:29:06 drh Exp $

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

# Omit this whole file if the library is build without subquery support.
ifcapable !subquery {
  finish_test








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#    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 SELECT statements that contain
# subqueries in their FROM clause.
#
# $Id: select6.test,v 1.22 2006/01/22 00:14:39 drh Exp $

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

# Omit this whole file if the library is build without subquery support.
ifcapable !subquery {
  finish_test
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         (SELECT t3.p AS p, t3.q AS q, t4.r AS r FROM t3 NATURAL JOIN t4) as n
      WHERE  y=p) AS e,
      (SELECT r AS z FROM t4 WHERE q=11) AS f
    WHERE e.r=f.z
  }
} {1}
} ;# ifcapable view



















































finish_test









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         (SELECT t3.p AS p, t3.q AS q, t4.r AS r FROM t3 NATURAL JOIN t4) as n
      WHERE  y=p) AS e,
      (SELECT r AS z FROM t4 WHERE q=11) AS f
    WHERE e.r=f.z
  }
} {1}
} ;# ifcapable view

# Ticket #1634
#
do_test select6-9.1 {
  execsql {
    SELECT a.x, b.x FROM t1 AS a, (SELECT x FROM t1 LIMIT 2) AS b
  }
} {1 1 1 2 2 1 2 2 3 1 3 2 4 1 4 2}
do_test select6-9.2 {
  execsql {
    SELECT x FROM (SELECT x FROM t1 LIMIT 2);
  }
} {1 2}
do_test select6-9.3 {
  execsql {
    SELECT x FROM (SELECT x FROM t1 LIMIT 2 OFFSET 1);
  }
} {2 3}
do_test select6-9.4 {
  execsql {
    SELECT x FROM (SELECT x FROM t1) LIMIT 2;
  }
} {1 2}
do_test select6-9.5 {
  execsql {
    SELECT x FROM (SELECT x FROM t1) LIMIT 2 OFFSET 1;
  }
} {2 3}
do_test select6-9.6 {
  execsql {
    SELECT x FROM (SELECT x FROM t1 LIMIT 2) LIMIT 3;
  }
} {1 2}
do_test select6-9.7 {
  execsql {
    SELECT x FROM (SELECT x FROM t1 LIMIT -1) LIMIT 3;
  }
} {1 2 3}
do_test select6-9.8 {
  execsql {
    SELECT x FROM (SELECT x FROM t1 LIMIT -1);
  }
} {1 2 3 4}
do_test select6-9.9 {
  execsql {
    SELECT x FROM (SELECT x FROM t1 LIMIT -1 OFFSET 1);
  }
} {2 3 4}



finish_test