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

third_party/sqlite/test/select6.test

-# 2001 September 15
-#
-# 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 SELECT statements that contain
-# subqueries in their FROM clause.
-#
-# $Id: select6.test,v 1.29 2009/01/09 01:12:28 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
-  return
-}
-
-do_test select6-1.0 {
-  execsql {
-    BEGIN;
-    CREATE TABLE t1(x, y);
-    INSERT INTO t1 VALUES(1,1);
-    INSERT INTO t1 VALUES(2,2);
-    INSERT INTO t1 VALUES(3,2);
-    INSERT INTO t1 VALUES(4,3);
-    INSERT INTO t1 VALUES(5,3);
-    INSERT INTO t1 VALUES(6,3);
-    INSERT INTO t1 VALUES(7,3);
-    INSERT INTO t1 VALUES(8,4);
-    INSERT INTO t1 VALUES(9,4);
-    INSERT INTO t1 VALUES(10,4);
-    INSERT INTO t1 VALUES(11,4);
-    INSERT INTO t1 VALUES(12,4);
-    INSERT INTO t1 VALUES(13,4);
-    INSERT INTO t1 VALUES(14,4);
-    INSERT INTO t1 VALUES(15,4);
-    INSERT INTO t1 VALUES(16,5);
-    INSERT INTO t1 VALUES(17,5);
-    INSERT INTO t1 VALUES(18,5);
-    INSERT INTO t1 VALUES(19,5);
-    INSERT INTO t1 VALUES(20,5);
-    COMMIT;
-    SELECT DISTINCT y FROM t1 ORDER BY y;
-  }
-} {1 2 3 4 5}
-
-do_test select6-1.1 {
-  execsql2 {SELECT * FROM (SELECT x, y FROM t1 WHERE x<2)}
-} {x 1 y 1}
-do_test select6-1.2 {
-  execsql {SELECT count(*) FROM (SELECT y FROM t1)}
-} {20}
-do_test select6-1.3 {
-  execsql {SELECT count(*) FROM (SELECT DISTINCT y FROM t1)}
-} {5}
-do_test select6-1.4 {
-  execsql {SELECT count(*) FROM (SELECT DISTINCT * FROM (SELECT y FROM t1))}
-} {5}
-do_test select6-1.5 {
-  execsql {SELECT count(*) FROM (SELECT * FROM (SELECT DISTINCT y FROM t1))}
-} {5}
-
-do_test select6-1.6 {
-  execsql {
-    SELECT * 
-    FROM (SELECT count(*),y FROM t1 GROUP BY y) AS a,
-         (SELECT max(x),y FROM t1 GROUP BY y) as b
-    WHERE a.y=b.y ORDER BY a.y
-  }
-} {1 1 1 1 2 2 3 2 4 3 7 3 8 4 15 4 5 5 20 5}
-do_test select6-1.7 {
-  execsql {
-    SELECT a.y, a.[count(*)], [max(x)], [count(*)]
-    FROM (SELECT count(*),y FROM t1 GROUP BY y) AS a,
-         (SELECT max(x),y FROM t1 GROUP BY y) as b
-    WHERE a.y=b.y ORDER BY a.y
-  }
-} {1 1 1 1 2 2 3 2 3 4 7 4 4 8 15 8 5 5 20 5}
-do_test select6-1.8 {
-  execsql {
-    SELECT q, p, r
-    FROM (SELECT count(*) as p , y as q FROM t1 GROUP BY y) AS a,
-         (SELECT max(x) as r, y as s FROM t1 GROUP BY y) as b
-    WHERE q=s ORDER BY s
-  }
-} {1 1 1 2 2 3 3 4 7 4 8 15 5 5 20}
-do_test select6-1.9 {
-  execsql {
-    SELECT q, p, r, b.[min(x)+y]
-    FROM (SELECT count(*) as p , y as q FROM t1 GROUP BY y) AS a,
-         (SELECT max(x) as r, y as s, min(x)+y FROM t1 GROUP BY y) as b
-    WHERE q=s ORDER BY s
-  }
-} {1 1 1 2 2 2 3 4 3 4 7 7 4 8 15 12 5 5 20 21}
-
-do_test select6-2.0 {
-  execsql {
-    CREATE TABLE t2(a INTEGER PRIMARY KEY, b);
-    INSERT INTO t2 SELECT * FROM t1;
-    SELECT DISTINCT b FROM t2 ORDER BY b;
-  }
-} {1 2 3 4 5}
-do_test select6-2.1 {
-  execsql2 {SELECT * FROM (SELECT a, b FROM t2 WHERE a<2)}
-} {a 1 b 1}
-do_test select6-2.2 {
-  execsql {SELECT count(*) FROM (SELECT b FROM t2)}
-} {20}
-do_test select6-2.3 {
-  execsql {SELECT count(*) FROM (SELECT DISTINCT b FROM t2)}
-} {5}
-do_test select6-2.4 {
-  execsql {SELECT count(*) FROM (SELECT DISTINCT * FROM (SELECT b FROM t2))}
-} {5}
-do_test select6-2.5 {
-  execsql {SELECT count(*) FROM (SELECT * FROM (SELECT DISTINCT b FROM t2))}
-} {5}
-
-do_test select6-2.6 {
-  execsql {
-    SELECT * 
-    FROM (SELECT count(*),b FROM t2 GROUP BY b) AS a,
-         (SELECT max(a),b FROM t2 GROUP BY b) as b
-    WHERE a.b=b.b ORDER BY a.b
-  }
-} {1 1 1 1 2 2 3 2 4 3 7 3 8 4 15 4 5 5 20 5}
-do_test select6-2.7 {
-  execsql {
-    SELECT a.b, a.[count(*)], [max(a)], [count(*)]
-    FROM (SELECT count(*),b FROM t2 GROUP BY b) AS a,
-         (SELECT max(a),b FROM t2 GROUP BY b) as b
-    WHERE a.b=b.b ORDER BY a.b
-  }
-} {1 1 1 1 2 2 3 2 3 4 7 4 4 8 15 8 5 5 20 5}
-do_test select6-2.8 {
-  execsql {
-    SELECT q, p, r
-    FROM (SELECT count(*) as p , b as q FROM t2 GROUP BY b) AS a,
-         (SELECT max(a) as r, b as s FROM t2 GROUP BY b) as b
-    WHERE q=s ORDER BY s
-  }
-} {1 1 1 2 2 3 3 4 7 4 8 15 5 5 20}
-do_test select6-2.9 {
-  execsql {
-    SELECT a.q, a.p, b.r
-    FROM (SELECT count(*) as p , b as q FROM t2 GROUP BY q) AS a,
-         (SELECT max(a) as r, b as s FROM t2 GROUP BY s) as b
-    WHERE a.q=b.s ORDER BY a.q
-  }
-} {1 1 1 2 2 3 3 4 7 4 8 15 5 5 20}
-
-do_test select6-3.1 {
-  execsql2 {
-    SELECT * FROM (SELECT * FROM (SELECT * FROM t1 WHERE x=3));
-  }
-} {x 3 y 2}
-do_test select6-3.2 {
-  execsql {
-    SELECT * FROM
-      (SELECT a.q, a.p, b.r
-       FROM (SELECT count(*) as p , b as q FROM t2 GROUP BY q) AS a,
-            (SELECT max(a) as r, b as s FROM t2 GROUP BY s) as b
-       WHERE a.q=b.s ORDER BY a.q)
-    ORDER BY "a.q"
-  }
-} {1 1 1 2 2 3 3 4 7 4 8 15 5 5 20}
-do_test select6-3.3 {
-  execsql {
-    SELECT a,b,a+b FROM (SELECT avg(x) as 'a', avg(y) as 'b' FROM t1)
-  }
-} {10.5 3.7 14.2}
-do_test select6-3.4 {
-  execsql {
-    SELECT a,b,a+b FROM (SELECT avg(x) as 'a', avg(y) as 'b' FROM t1 WHERE y=4)
-  }
-} {11.5 4.0 15.5}
-do_test select6-3.5 {
-  execsql {
-    SELECT x,y,x+y FROM (SELECT avg(a) as 'x', avg(b) as 'y' FROM t2 WHERE a=4)
-  }
-} {4.0 3.0 7.0}
-do_test select6-3.6 {
-  execsql {
-    SELECT a,b,a+b FROM (SELECT avg(x) as 'a', avg(y) as 'b' FROM t1)
-    WHERE a>10
-  }
-} {10.5 3.7 14.2}
-do_test select6-3.7 {
-  execsql {
-    SELECT a,b,a+b FROM (SELECT avg(x) as 'a', avg(y) as 'b' FROM t1)
-    WHERE a<10
-  }
-} {}
-do_test select6-3.8 {
-  execsql {
-    SELECT a,b,a+b FROM (SELECT avg(x) as 'a', avg(y) as 'b' FROM t1 WHERE y=4)
-    WHERE a>10
-  }
-} {11.5 4.0 15.5}
-do_test select6-3.9 {
-  execsql {
-    SELECT a,b,a+b FROM (SELECT avg(x) as 'a', avg(y) as 'b' FROM t1 WHERE y=4)
-    WHERE a<10
-  }
-} {}
-do_test select6-3.10 {
-  execsql {
-    SELECT a,b,a+b FROM (SELECT avg(x) as 'a', y as 'b' FROM t1 GROUP BY b)
-    ORDER BY a
-  }
-} {1.0 1 2.0 2.5 2 4.5 5.5 3 8.5 11.5 4 15.5 18.0 5 23.0}
-do_test select6-3.11 {
-  execsql {
-    SELECT a,b,a+b FROM 
-       (SELECT avg(x) as 'a', y as 'b' FROM t1 GROUP BY b)
-    WHERE b<4 ORDER BY a
-  }
-} {1.0 1 2.0 2.5 2 4.5 5.5 3 8.5}
-do_test select6-3.12 {
-  execsql {
-    SELECT a,b,a+b FROM 
-       (SELECT avg(x) as 'a', y as 'b' FROM t1 GROUP BY b HAVING a>1)
-    WHERE b<4 ORDER BY a
-  }
-} {2.5 2 4.5 5.5 3 8.5}
-do_test select6-3.13 {
-  execsql {
-    SELECT a,b,a+b FROM 
-       (SELECT avg(x) as 'a', y as 'b' FROM t1 GROUP BY b HAVING a>1)
-    ORDER BY a
-  }
-} {2.5 2 4.5 5.5 3 8.5 11.5 4 15.5 18.0 5 23.0}
-do_test select6-3.14 {
-  execsql {
-    SELECT [count(*)],y FROM (SELECT count(*), y FROM t1 GROUP BY y)
-    ORDER BY [count(*)]
-  }
-} {1 1 2 2 4 3 5 5 8 4}
-do_test select6-3.15 {
-  execsql {
-    SELECT [count(*)],y FROM (SELECT count(*), y FROM t1 GROUP BY y)
-    ORDER BY y
-  }
-} {1 1 2 2 4 3 8 4 5 5}
-
-do_test select6-4.1 {
-  execsql {
-    SELECT a,b,c FROM 
-      (SELECT x AS 'a', y AS 'b', x+y AS 'c' FROM t1 WHERE y=4)
-    WHERE a<10 ORDER BY a;
-  }
-} {8 4 12 9 4 13}
-do_test select6-4.2 {
-  execsql {
-    SELECT y FROM (SELECT DISTINCT y FROM t1) WHERE y<5 ORDER BY y
-  }
-} {1 2 3 4}
-do_test select6-4.3 {
-  execsql {
-    SELECT DISTINCT y FROM (SELECT y FROM t1) WHERE y<5 ORDER BY y
-  }
-} {1 2 3 4}
-do_test select6-4.4 {
-  execsql {
-    SELECT avg(y) FROM (SELECT DISTINCT y FROM t1) WHERE y<5 ORDER BY y
-  }
-} {2.5}
-do_test select6-4.5 {
-  execsql {
-    SELECT avg(y) FROM (SELECT DISTINCT y FROM t1 WHERE y<5) ORDER BY y
-  }
-} {2.5}
-
-do_test select6-5.1 {
-  execsql {
-    SELECT a,x,b FROM
-      (SELECT x+3 AS 'a', x FROM t1 WHERE y=3) AS 'p',
-      (SELECT x AS 'b' FROM t1 WHERE y=4) AS 'q'
-    WHERE a=b
-    ORDER BY a
-  }
-} {8 5 8 9 6 9 10 7 10}
-do_test select6-5.2 {
-  execsql {
-    SELECT a,x,b FROM
-      (SELECT x+3 AS 'a', x FROM t1 WHERE y=3),
-      (SELECT x AS 'b' FROM t1 WHERE y=4)
-    WHERE a=b
-    ORDER BY a
-  }
-} {8 5 8 9 6 9 10 7 10}
-
-# Tests of compound sub-selects
-#
-do_test select6-6.1 {
-  execsql {
-    DELETE FROM t1 WHERE x>4;
-    SELECT * FROM t1
-  }
-} {1 1 2 2 3 2 4 3}
-ifcapable compound {
-  do_test select6-6.2 {
-    execsql {
-      SELECT * FROM (
-        SELECT x AS 'a' FROM t1 UNION ALL SELECT x+10 AS 'a' FROM t1
-      ) ORDER BY a;
-    }
-  } {1 2 3 4 11 12 13 14}
-  do_test select6-6.3 {
-    execsql {
-      SELECT * FROM (
-        SELECT x AS 'a' FROM t1 UNION ALL SELECT x+1 AS 'a' FROM t1
-      ) ORDER BY a;
-    }
-  } {1 2 2 3 3 4 4 5}
-  do_test select6-6.4 {
-    execsql {
-      SELECT * FROM (
-        SELECT x AS 'a' FROM t1 UNION SELECT x+1 AS 'a' FROM t1
-      ) ORDER BY a;
-    }
-  } {1 2 3 4 5}
-  do_test select6-6.5 {
-    execsql {
-      SELECT * FROM (
-        SELECT x AS 'a' FROM t1 INTERSECT SELECT x+1 AS 'a' FROM t1
-      ) ORDER BY a;
-    }
-  } {2 3 4}
-  do_test select6-6.6 {
-    execsql {
-      SELECT * FROM (
-        SELECT x AS 'a' FROM t1 EXCEPT SELECT x*2 AS 'a' FROM t1
-      ) ORDER BY a;
-    }
-  } {1 3}
-} ;# ifcapable compound
-
-# Subselects with no FROM clause
-#
-do_test select6-7.1 {
-  execsql {
-    SELECT * FROM (SELECT 1)
-  }
-} {1}
-do_test select6-7.2 {
-  execsql {
-    SELECT c,b,a,* FROM (SELECT 1 AS 'a', 2 AS 'b', 'abc' AS 'c')
-  }
-} {abc 2 1 1 2 abc}
-do_test select6-7.3 {
-  execsql {
-    SELECT c,b,a,* FROM (SELECT 1 AS 'a', 2 AS 'b', 'abc' AS 'c' WHERE 0)
-  }
-} {}
-do_test select6-7.4 {
-  execsql2 {
-    SELECT c,b,a,* FROM (SELECT 1 AS 'a', 2 AS 'b', 'abc' AS 'c' WHERE 1)
-  }
-} {c abc b 2 a 1 a 1 b 2 c abc}
-
-# The remaining tests in this file depend on the EXPLAIN keyword.
-# Skip these tests if EXPLAIN is disabled in the current build.
-#
-ifcapable {!explain} {
-  finish_test
-  return
-}
-
-# The following procedure compiles the SQL given as an argument and returns
-# TRUE if that SQL uses any transient tables and returns FALSE if no
-# transient tables are used.  This is used to make sure that the
-# sqliteFlattenSubquery() routine in select.c is doing its job.
-#
-proc is_flat {sql} {
-  return [expr 0>[lsearch [execsql "EXPLAIN $sql"] OpenEphemeral]]
-}
-
-# Check that the flattener works correctly for deeply nested subqueries
-# involving joins.
-#
-do_test select6-8.1 {
-  execsql {
-    BEGIN;
-    CREATE TABLE t3(p,q);
-    INSERT INTO t3 VALUES(1,11);
-    INSERT INTO t3 VALUES(2,22);
-    CREATE TABLE t4(q,r);
-    INSERT INTO t4 VALUES(11,111);
-    INSERT INTO t4 VALUES(22,222);
-    COMMIT;
-    SELECT * FROM t3 NATURAL JOIN t4;
-  }
-} {1 11 111 2 22 222}
-do_test select6-8.2 {
-  execsql {
-    SELECT y, p, q, r FROM
-       (SELECT t1.y AS y, t2.b AS b FROM t1, t2 WHERE t1.x=t2.a) AS m,
-       (SELECT t3.p AS p, t3.q AS q, t4.r AS r FROM t3 NATURAL JOIN t4) as n
-    WHERE  y=p
-  }
-} {1 1 11 111 2 2 22 222 2 2 22 222}
-# If view support is omitted from the build, then so is the query 
-# "flattener". So omit this test and test select6-8.6 in that case.
-ifcapable view {
-do_test select6-8.3 {
-  is_flat {
-    SELECT y, p, q, r FROM
-       (SELECT t1.y AS y, t2.b AS b FROM t1, t2 WHERE t1.x=t2.a) AS m,
-       (SELECT t3.p AS p, t3.q AS q, t4.r AS r FROM t3 NATURAL JOIN t4) as n
-    WHERE  y=p
-  }
-} {1}
-} ;# ifcapable view
-do_test select6-8.4 {
-  execsql {
-    SELECT DISTINCT y, p, q, r FROM
-       (SELECT t1.y AS y, t2.b AS b FROM t1, t2 WHERE t1.x=t2.a) AS m,
-       (SELECT t3.p AS p, t3.q AS q, t4.r AS r FROM t3 NATURAL JOIN t4) as n
-    WHERE  y=p
-  }
-} {1 1 11 111 2 2 22 222}
-do_test select6-8.5 {
-  execsql {
-    SELECT * FROM 
-      (SELECT y, p, q, r FROM
-         (SELECT t1.y AS y, t2.b AS b FROM t1, t2 WHERE t1.x=t2.a) AS m,
-         (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 1 11 111 111}
-ifcapable view {
-do_test select6-8.6 {
-  is_flat {
-    SELECT * FROM 
-      (SELECT y, p, q, r FROM
-         (SELECT t1.y AS y, t2.b AS b FROM t1, t2 WHERE t1.x=t2.a) AS m,
-         (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}
-do_test select6-9.10 {
-  execsql {
-    SELECT x, y FROM (SELECT x, (SELECT 10+x) y FROM t1 LIMIT -1 OFFSET 1);
-  }
-} {2 12 3 13 4 14}
-do_test select6-9.11 {
-  execsql {
-    SELECT x, y FROM (SELECT x, (SELECT 10)+x y FROM t1 LIMIT -1 OFFSET 1);
-  }
-} {2 12 3 13 4 14}
-
-
-
-finish_test