Move bundled copy of sqlite one level deeper to better separate it...

third_party/sqlite/test/where3.test

-# 2006 January 31
-#
-# 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 the join reordering optimization
-# in cases that include a LEFT JOIN.
-#
-# $Id: where3.test,v 1.4 2008/04/17 19:14:02 drh Exp $
-
-set testdir [file dirname $argv0]
-source $testdir/tester.tcl
-
-# The following is from ticket #1652.
-#
-# A comma join then a left outer join:  A,B left join C.
-# Arrange indices so that the B table is chosen to go first.
-# Also put an index on C, but make sure that A is chosen before C.
-#
-do_test where3-1.1 {
-  execsql {
-    CREATE TABLE t1(a, b);
-    CREATE TABLE t2(p, q);
-    CREATE TABLE t3(x, y);
-    
-    INSERT INTO t1 VALUES(111,'one');
-    INSERT INTO t1 VALUES(222,'two');
-    INSERT INTO t1 VALUES(333,'three');
-    
-    INSERT INTO t2 VALUES(1,111);
-    INSERT INTO t2 VALUES(2,222);
-    INSERT INTO t2 VALUES(4,444);
-    CREATE INDEX t2i1 ON t2(p);
-    
-    INSERT INTO t3 VALUES(999,'nine');
-    CREATE INDEX t3i1 ON t3(x);
-    
-    SELECT * FROM t1, t2 LEFT JOIN t3 ON q=x WHERE p=2 AND a=q;
-  }
-} {222 two 2 222 {} {}}
-
-ifcapable explain {
-  do_test where3-1.1.1 {
-     explain_no_trace {SELECT * FROM t1, t2 LEFT JOIN t3 ON q=x
-                        WHERE p=2 AND a=q}
-  } [explain_no_trace {SELECT * FROM t1, t2 LEFT JOIN t3 ON x=q
-                        WHERE p=2 AND a=q}]
-}
-
-# Ticket #1830
-#
-# This is similar to the above but with the LEFT JOIN on the
-# other side.
-#
-do_test where3-1.2 {
-  execsql {
-    CREATE TABLE parent1(parent1key, child1key, Child2key, child3key);
-    CREATE TABLE child1 ( child1key NVARCHAR, value NVARCHAR );
-    CREATE UNIQUE INDEX PKIDXChild1 ON child1 ( child1key );
-    CREATE TABLE child2 ( child2key NVARCHAR, value NVARCHAR );
-
-    INSERT INTO parent1(parent1key,child1key,child2key)
-       VALUES ( 1, 'C1.1', 'C2.1' );
-    INSERT INTO child1 ( child1key, value ) VALUES ( 'C1.1', 'Value for C1.1' );
-    INSERT INTO child2 ( child2key, value ) VALUES ( 'C2.1', 'Value for C2.1' );
-
-    INSERT INTO parent1 ( parent1key, child1key, child2key )
-       VALUES ( 2, 'C1.2', 'C2.2' );
-    INSERT INTO child2 ( child2key, value ) VALUES ( 'C2.2', 'Value for C2.2' );
-
-    INSERT INTO parent1 ( parent1key, child1key, child2key )
-       VALUES ( 3, 'C1.3', 'C2.3' );
-    INSERT INTO child1 ( child1key, value ) VALUES ( 'C1.3', 'Value for C1.3' );
-    INSERT INTO child2 ( child2key, value ) VALUES ( 'C2.3', 'Value for C2.3' );
-
-    SELECT parent1.parent1key, child1.value, child2.value
-    FROM parent1
-    LEFT OUTER JOIN child1 ON child1.child1key = parent1.child1key
-    INNER JOIN child2 ON child2.child2key = parent1.child2key;
-  }
-} {1 {Value for C1.1} {Value for C2.1} 2 {} {Value for C2.2} 3 {Value for C1.3} {Value for C2.3}}
-
-ifcapable explain {
-  do_test where3-1.2.1 {
-     explain_no_trace {
-       SELECT parent1.parent1key, child1.value, child2.value
-       FROM parent1
-       LEFT OUTER JOIN child1 ON child1.child1key = parent1.child1key
-       INNER JOIN child2 ON child2.child2key = parent1.child2key;
-     }
-  } [explain_no_trace {
-       SELECT parent1.parent1key, child1.value, child2.value
-       FROM parent1
-       LEFT OUTER JOIN child1 ON parent1.child1key = child1.child1key 
-       INNER JOIN child2 ON child2.child2key = parent1.child2key;
-     }]
-}
-
-# This procedure executes the SQL.  Then it appends 
-# the ::sqlite_query_plan variable.
-#
-proc queryplan {sql} {
-  set ::sqlite_sort_count 0
-  set data [execsql $sql]
-  return [concat $data $::sqlite_query_plan]
-}
-
-
-# If you have a from clause of the form:   A B C left join D
-# then make sure the query optimizer is able to reorder the 
-# A B C part anyway it wants. 
-#
-# Following the fix to ticket #1652, there was a time when
-# the C table would not reorder.  So the following reorderings
-# were possible:
-#
-#            A B C left join D
-#            B A C left join D
-#
-# But these reorders were not allowed
-#
-#            C A B left join D
-#            A C B left join D
-#            C B A left join D
-#            B C A left join D
-#
-# The following tests are here to verify that the latter four
-# reorderings are allowed again.
-#
-do_test where3-2.1 {
-  execsql {
-    CREATE TABLE tA(apk integer primary key, ax);
-    CREATE TABLE tB(bpk integer primary key, bx);
-    CREATE TABLE tC(cpk integer primary key, cx);
-    CREATE TABLE tD(dpk integer primary key, dx);
-  }
-  queryplan {
-    SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
-     WHERE cpk=bx AND bpk=ax
-  }
-} {tA {} tB * tC * tD *}
-do_test where3-2.1.1 {
-  queryplan {
-    SELECT * FROM tA, tB, tC LEFT JOIN tD ON cx=dpk
-     WHERE cpk=bx AND bpk=ax
-  }
-} {tA {} tB * tC * tD *}
-do_test where3-2.1.2 {
-  queryplan {
-    SELECT * FROM tA, tB, tC LEFT JOIN tD ON cx=dpk
-     WHERE bx=cpk AND bpk=ax
-  }
-} {tA {} tB * tC * tD *}
-do_test where3-2.1.3 {
-  queryplan {
-    SELECT * FROM tA, tB, tC LEFT JOIN tD ON cx=dpk
-     WHERE bx=cpk AND ax=bpk
-  }
-} {tA {} tB * tC * tD *}
-do_test where3-2.1.4 {
-  queryplan {
-    SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
-     WHERE bx=cpk AND ax=bpk
-  }
-} {tA {} tB * tC * tD *}
-do_test where3-2.1.5 {
-  queryplan {
-    SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
-     WHERE cpk=bx AND ax=bpk
-  }
-} {tA {} tB * tC * tD *}
-do_test where3-2.2 {
-  queryplan {
-    SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
-     WHERE cpk=bx AND apk=bx
-  }
-} {tB {} tA * tC * tD *}
-do_test where3-2.3 {
-  queryplan {
-    SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
-     WHERE cpk=bx AND apk=bx
-  }
-} {tB {} tA * tC * tD *}
-do_test where3-2.4 {
-  queryplan {
-    SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
-     WHERE apk=cx AND bpk=ax
-  }
-} {tC {} tA * tB * tD *}
-do_test where3-2.5 {
-  queryplan {
-    SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
-     WHERE cpk=ax AND bpk=cx
-  }
-} {tA {} tC * tB * tD *}
-do_test where3-2.5 {
-  queryplan {
-    SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
-     WHERE bpk=cx AND apk=bx
-  }
-} {tC {} tB * tA * tD *}
-do_test where3-2.6 {
-  queryplan {
-    SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
-     WHERE cpk=bx AND apk=cx
-  }
-} {tB {} tC * tA * tD *}
-
-
-finish_test