[sqlite] Remove obsolete reference version 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/test/where2.test

Index: third_party/sqlite/sqlite-src-3080704/test/where2.test
diff --git a/third_party/sqlite/sqlite-src-3080704/test/where2.test b/third_party/sqlite/sqlite-src-3080704/test/where2.test
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-# 2005 July 28
-#
-# 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 use of indices in WHERE clauses
-# based on recent changes to the optimizer.
-#
-# $Id: where2.test,v 1.15 2009/02/02 01:50:40 drh Exp $
-
-set testdir [file dirname $argv0]
-source $testdir/tester.tcl
-
-# Build some test data
-#
-do_test where2-1.0 {
-  execsql {
-    BEGIN;
-    CREATE TABLE t1(w int, x int, y int, z int);
-  }
-  for {set i 1} {$i<=100} {incr i} {
-    set w $i
-    set x [expr {int(log($i)/log(2))}]
-    set y [expr {$i*$i + 2*$i + 1}]
-    set z [expr {$x+$y}]
-    ifcapable tclvar {
-      execsql {INSERT INTO t1 VALUES($::w,$::x,$::y,$::z)}
-    } else {
-      execsql {INSERT INTO t1 VALUES(:w,:x,:y,:z)}
-    }
-  }
-  execsql {
-    CREATE UNIQUE INDEX i1w ON t1(w);
-    CREATE INDEX i1xy ON t1(x,y);
-    CREATE INDEX i1zyx ON t1(z,y,x);
-    COMMIT;
-  }
-} {}
-
-# Do an SQL statement.  Append the search count to the end of the result.
-#
-proc count sql {
-  set ::sqlite_search_count 0
-  return [concat [execsql $sql] $::sqlite_search_count]
-}
-
-# This procedure executes the SQL.  Then it checks to see if the OP_Sort
-# opcode was executed.  If an OP_Sort did occur, then "sort" is appended
-# to the result.  If no OP_Sort happened, then "nosort" is appended.
-#
-# This procedure is used to check to make sure sorting is or is not
-# occurring as expected.
-#
-proc cksort {sql} {
-  set data [execsql $sql]
-  if {[db status sort]} {set x sort} {set x nosort}
-  lappend data $x
-  return $data
-}
-
-# This procedure executes the SQL.  Then it appends to the result the
-# "sort" or "nosort" keyword (as in the cksort procedure above) then
-# it appends the name of the table and index used.
-#
-proc queryplan {sql} {
-  set ::sqlite_sort_count 0
-  set data [execsql $sql]
-  if {$::sqlite_sort_count} {set x sort} {set x nosort}
-  lappend data $x
-  set eqp [execsql "EXPLAIN QUERY PLAN $sql"]
-  # puts eqp=$eqp
-  foreach {a b c x} $eqp {
-    if {[regexp { TABLE (\w+ AS )?(\w+) USING.* INDEX (\w+)\y} \
-        $x all as tab idx]} {
-      lappend data $tab $idx
-    } elseif {[regexp { TABLE (\w+ AS )?(\w+)\y} $x all as tab]} {
-      lappend data $tab *
-    }
-  }
-  return $data   
-}
-
-
-# Prefer a UNIQUE index over another index.
-#
-do_test where2-1.1 {
-  queryplan {
-    SELECT * FROM t1 WHERE w=85 AND x=6 AND y=7396
-  }
-} {85 6 7396 7402 nosort t1 i1w}
-
-# Always prefer a rowid== constraint over any other index.
-#
-do_test where2-1.3 {
-  queryplan {
-    SELECT * FROM t1 WHERE w=85 AND x=6 AND y=7396 AND rowid=85
-  }
-} {85 6 7396 7402 nosort t1 *}
-
-# When constrained by a UNIQUE index, the ORDER BY clause is always ignored.
-#
-do_test where2-2.1 {
-  queryplan {
-    SELECT * FROM t1 WHERE w=85 ORDER BY random();
-  }
-} {85 6 7396 7402 nosort t1 i1w}
-do_test where2-2.2 {
-  queryplan {
-    SELECT * FROM t1 WHERE x=6 AND y=7396 ORDER BY random();
-  }
-} {85 6 7396 7402 sort t1 i1xy}
-do_test where2-2.3 {
-  queryplan {
-    SELECT * FROM t1 WHERE rowid=85 AND x=6 AND y=7396 ORDER BY random();
-  }
-} {85 6 7396 7402 nosort t1 *}
-
-# Ticket [65bdeb9739605cc22966f49208452996ff29a640] 2014-02-26
-# Make sure "ORDER BY random" does not gets optimized out.
-#
-do_test where2-2.4 {
-  db eval {
-    CREATE TABLE x1(a INTEGER PRIMARY KEY, b DEFAULT 1);
-    WITH RECURSIVE
-       cnt(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM cnt WHERE x<50)
-    INSERT INTO x1 SELECT x, 1 FROM cnt;
-    CREATE TABLE x2(x INTEGER PRIMARY KEY);
-    INSERT INTO x2 VALUES(1);
-  }
-  set sql {SELECT * FROM x1, x2 WHERE x=1 ORDER BY random()}
-  set out1 [db eval $sql]
-  set out2 [db eval $sql]
-  set out3 [db eval $sql]
-  expr {$out1!=$out2 && $out2!=$out3}
-} {1}
-do_execsql_test where2-2.5 {
-  -- random() is not optimized out
-  EXPLAIN SELECT * FROM x1, x2 WHERE x=1 ORDER BY random();
-} {/ random/}
-do_execsql_test where2-2.5b {
-  -- random() is not optimized out
-  EXPLAIN SELECT * FROM x1, x2 WHERE x=1 ORDER BY random();
-} {/ SorterOpen /}
-do_execsql_test where2-2.6 {
-  -- other constant functions are optimized out
-  EXPLAIN SELECT * FROM x1, x2 WHERE x=1 ORDER BY abs(5);
-} {~/ abs/}
-do_execsql_test where2-2.6b {
-  -- other constant functions are optimized out
-  EXPLAIN SELECT * FROM x1, x2 WHERE x=1 ORDER BY abs(5);
-} {~/ SorterOpen /}
-
-
-
-# Efficient handling of forward and reverse table scans.
-#
-do_test where2-3.1 {
-  queryplan {
-    SELECT * FROM t1 ORDER BY rowid LIMIT 2
-  }
-} {1 0 4 4 2 1 9 10 nosort t1 *}
-do_test where2-3.2 {
-  queryplan {
-    SELECT * FROM t1 ORDER BY rowid DESC LIMIT 2
-  }
-} {100 6 10201 10207 99 6 10000 10006 nosort t1 *}
-
-# The IN operator can be used by indices at multiple layers
-#
-ifcapable subquery {
-  do_test where2-4.1 {
-    queryplan {
-      SELECT * FROM t1 WHERE z IN (10207,10006) AND y IN (10000,10201)
-                       AND x>0 AND x<10
-      ORDER BY w
-    }
-  } {99 6 10000 10006 100 6 10201 10207 sort t1 i1zyx}
-  do_test where2-4.2 {
-    queryplan {
-      SELECT * FROM t1 WHERE z IN (10207,10006) AND y=10000
-                       AND x>0 AND x<10
-      ORDER BY w
-    }
-  } {99 6 10000 10006 sort t1 i1zyx}
-  do_test where2-4.3 {
-    queryplan {
-      SELECT * FROM t1 WHERE z=10006 AND y IN (10000,10201)
-                       AND x>0 AND x<10
-      ORDER BY w
-    }
-  } {99 6 10000 10006 sort t1 i1zyx}
-  ifcapable compound {
-    do_test where2-4.4 {
-      queryplan {
-        SELECT * FROM t1 WHERE z IN (SELECT 10207 UNION SELECT 10006)
-                         AND y IN (10000,10201)
-                         AND x>0 AND x<10
-        ORDER BY w
-      }
-    } {99 6 10000 10006 100 6 10201 10207 sort t1 i1zyx}
-    do_test where2-4.5 {
-      queryplan {
-        SELECT * FROM t1 WHERE z IN (SELECT 10207 UNION SELECT 10006)
-                         AND y IN (SELECT 10000 UNION SELECT 10201)
-                         AND x>0 AND x<10
-        ORDER BY w
-      }
-    } {99 6 10000 10006 100 6 10201 10207 sort t1 i1zyx}
-  }
-  do_test where2-4.6a {
-    queryplan {
-      SELECT * FROM t1
-       WHERE x IN (1,2,3,4,5,6,7,8)
-         AND y IN (10000,10001,10002,10003,10004,10005)
-       ORDER BY x
-    }
-  } {99 6 10000 10006 nosort t1 i1xy}
-  do_test where2-4.6b {
-    queryplan {
-      SELECT * FROM t1
-       WHERE x IN (1,2,3,4,5,6,7,8)
-         AND y IN (10000,10001,10002,10003,10004,10005)
-       ORDER BY x DESC
-    }
-  } {99 6 10000 10006 nosort t1 i1xy}
-  do_test where2-4.6c {
-    queryplan {
-      SELECT * FROM t1
-       WHERE x IN (1,2,3,4,5,6,7,8)
-         AND y IN (10000,10001,10002,10003,10004,10005)
-       ORDER BY x, y
-    }
-  } {99 6 10000 10006 nosort t1 i1xy}
-  do_test where2-4.6d {
-    queryplan {
-      SELECT * FROM t1
-       WHERE x IN (1,2,3,4,5,6,7,8)
-         AND y IN (10000,10001,10002,10003,10004,10005)
-       ORDER BY x, y DESC
-    }
-  } {99 6 10000 10006 sort t1 i1xy}
-
-  # Duplicate entires on the RHS of an IN operator do not cause duplicate
-  # output rows.
-  #
-  do_test where2-4.6x {
-    queryplan {
-      SELECT * FROM t1 WHERE z IN (10207,10006,10006,10207)
-      ORDER BY w
-    }
-  } {99 6 10000 10006 100 6 10201 10207 sort t1 i1zyx}
-  do_test where2-4.6y {
-    queryplan {
-      SELECT * FROM t1 WHERE z IN (10207,10006,10006,10207)
-      ORDER BY w DESC
-    }
-  } {100 6 10201 10207 99 6 10000 10006 sort t1 i1zyx}
-  ifcapable compound {
-    do_test where2-4.7 {
-      queryplan {
-        SELECT * FROM t1 WHERE z IN (
-           SELECT 10207 UNION ALL SELECT 10006
-           UNION ALL SELECT 10006 UNION ALL SELECT 10207)
-        ORDER BY w
-      }
-    } {99 6 10000 10006 100 6 10201 10207 sort t1 i1zyx}
-  }
-
-} ;# ifcapable subquery
-
-# The use of an IN operator disables the index as a sorter.
-#
-do_test where2-5.1 {
-  queryplan {
-    SELECT * FROM t1 WHERE w=99 ORDER BY w
-  }
-} {99 6 10000 10006 nosort t1 i1w}
-
-ifcapable subquery {
-  do_test where2-5.2a {
-    queryplan {
-      SELECT * FROM t1 WHERE w IN (99) ORDER BY w
-    }
-  } {99 6 10000 10006 nosort t1 i1w}
-  do_test where2-5.2b {
-    queryplan {
-      SELECT * FROM t1 WHERE w IN (99) ORDER BY w DESC
-    }
-  } {99 6 10000 10006 nosort t1 i1w}
-}
-
-# Verify that OR clauses get translated into IN operators.
-#
-set ::idx {}
-ifcapable subquery {set ::idx i1w}
-do_test where2-6.1.1 {
-  queryplan {
-    SELECT * FROM t1 WHERE w=99 OR w=100 ORDER BY +w
-  }
-} [list 99 6 10000 10006 100 6 10201 10207 sort t1 $::idx]
-do_test where2-6.1.2 {
-  queryplan {
-    SELECT * FROM t1 WHERE 99=w OR 100=w ORDER BY +w
-  }
-} [list 99 6 10000 10006 100 6 10201 10207 sort t1 $::idx]
-do_test where2-6.2 {
-  queryplan {
-    SELECT * FROM t1 WHERE w=99 OR w=100 OR 6=w ORDER BY +w
-  }
-} [list 6 2 49 51 99 6 10000 10006 100 6 10201 10207 sort t1 $::idx]
-
-do_test where2-6.3 {
-  queryplan {
-    SELECT * FROM t1 WHERE w=99 OR w=100 OR 6=+w ORDER BY +w
-  }
-} {6 2 49 51 99 6 10000 10006 100 6 10201 10207 sort t1 *}
-do_test where2-6.4 {
-  queryplan {
-    SELECT * FROM t1 WHERE w=99 OR +w=100 OR 6=w ORDER BY +w
-  }
-} {6 2 49 51 99 6 10000 10006 100 6 10201 10207 sort t1 *}
-
-set ::idx {}
-ifcapable subquery {set ::idx i1zyx}
-do_test where2-6.5 {
-  queryplan {
-    SELECT b.* FROM t1 a, t1 b
-     WHERE a.w=1 AND (a.y=b.z OR b.z=10)
-     ORDER BY +b.w
-  }
-} [list 1 0 4 4 2 1 9 10 sort a i1w b $::idx]
-do_test where2-6.6 {
-  queryplan {
-    SELECT b.* FROM t1 a, t1 b
-     WHERE a.w=1 AND (b.z=10 OR a.y=b.z OR b.z=10)
-     ORDER BY +b.w
-  }
-} [list 1 0 4 4 2 1 9 10 sort a i1w b $::idx]
-
-if {[permutation] != "no_optimization"} {
-
-# Ticket #2249.  Make sure the OR optimization is not attempted if
-# comparisons between columns of different affinities are needed.
-#
-do_test where2-6.7 {
-  execsql {
-    CREATE TABLE t2249a(a TEXT UNIQUE, x CHAR(100));
-    CREATE TABLE t2249b(b INTEGER);
-    INSERT INTO t2249a(a) VALUES('0123');
-    INSERT INTO t2249b VALUES(123);
-  }
-  queryplan {
-    -- Because a is type TEXT and b is type INTEGER, both a and b
-    -- will attempt to convert to NUMERIC before the comparison.
-    -- They will thus compare equal.
-    --
-    SELECT b,a FROM t2249b CROSS JOIN t2249a WHERE a=b;
-  }
-} {123 0123 nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
-do_test where2-6.9 {
-  queryplan {
-    -- The + operator removes affinity from the rhs.  No conversions
-    -- occur and the comparison is false.  The result is an empty set.
-    --
-    SELECT b,a FROM t2249b CROSS JOIN t2249a WHERE a=+b;
-  }
-} {nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
-do_test where2-6.9.2 {
-  # The same thing but with the expression flipped around.
-  queryplan {
-    SELECT b,a FROM t2249b CROSS JOIN t2249a WHERE +b=a
-  }
-} {nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
-do_test where2-6.10 {
-  queryplan {
-    -- Use + on both sides of the comparison to disable indices
-    -- completely.  Make sure we get the same result.
-    --
-    SELECT b,a FROM t2249b CROSS JOIN t2249a WHERE +a=+b;
-  }
-} {nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
-do_test where2-6.11 {
-  # This will not attempt the OR optimization because of the a=b
-  # comparison.
-  queryplan {
-    SELECT b,a FROM t2249b CROSS JOIN t2249a WHERE a=b OR a='hello';
-  }
-} {123 0123 nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
-do_test where2-6.11.2 {
-  # Permutations of the expression terms.
-  queryplan {
-    SELECT b,a FROM t2249b CROSS JOIN t2249a WHERE b=a OR a='hello';
-  }
-} {123 0123 nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
-do_test where2-6.11.3 {
-  # Permutations of the expression terms.
-  queryplan {
-    SELECT b,a FROM t2249b CROSS JOIN t2249a WHERE 'hello'=a OR b=a;
-  }
-} {123 0123 nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
-do_test where2-6.11.4 {
-  # Permutations of the expression terms.
-  queryplan {
-    SELECT b,a FROM t2249b CROSS JOIN t2249a WHERE a='hello' OR b=a;
-  }
-} {123 0123 nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
-ifcapable explain&&subquery {
-  # These tests are not run if subquery support is not included in the
-  # build. This is because these tests test the "a = 1 OR a = 2" to
-  # "a IN (1, 2)" optimisation transformation, which is not enabled if
-  # subqueries and the IN operator is not available.
-  #
-  do_test where2-6.12 {
-    # In this case, the +b disables the affinity conflict and allows
-    # the OR optimization to be used again.  The result is now an empty
-    # set, the same as in where2-6.9.
-    queryplan {
-      SELECT b,a FROM t2249b CROSS JOIN t2249a WHERE a=+b OR a='hello';
-    }
-  } {nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
-  do_test where2-6.12.2 {
-    # In this case, the +b disables the affinity conflict and allows
-    # the OR optimization to be used again.  The result is now an empty
-    # set, the same as in where2-6.9.
-    queryplan {
-      SELECT b,a FROM t2249b CROSS JOIN t2249a WHERE a='hello' OR +b=a;
-    }
-  } {nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
-  do_test where2-6.12.3 {
-    # In this case, the +b disables the affinity conflict and allows
-    # the OR optimization to be used again.  The result is now an empty
-    # set, the same as in where2-6.9.
-    queryplan {
-      SELECT b,a FROM t2249b CROSS JOIN t2249a WHERE +b=a OR a='hello';
-    }
-  } {nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
-  do_test where2-6.13 {
-    # The addition of +a on the second term disabled the OR optimization.
-    # But we should still get the same empty-set result as in where2-6.9.
-    queryplan {
-      SELECT b,a FROM t2249b CROSS JOIN t2249a WHERE a=+b OR +a='hello';
-    }
-  } {nosort t2249b * t2249a sqlite_autoindex_t2249a_1}
-}
-
-# Variations on the order of terms in a WHERE clause in order
-# to make sure the OR optimizer can recognize them all.
-do_test where2-6.20 {
-  queryplan {
-    SELECT x.a, y.a FROM t2249a x CROSS JOIN t2249a y WHERE x.a=y.a
-  }
-} {0123 0123 nosort x sqlite_autoindex_t2249a_1 y sqlite_autoindex_t2249a_1}
-ifcapable explain&&subquery {
-  # These tests are not run if subquery support is not included in the
-  # build. This is because these tests test the "a = 1 OR a = 2" to
-  # "a IN (1, 2)" optimisation transformation, which is not enabled if
-  # subqueries and the IN operator is not available.
-  #
-  do_test where2-6.21 {
-    queryplan {
-      SELECT x.a,y.a FROM t2249a x CROSS JOIN t2249a y
-       WHERE x.a=y.a OR y.a='hello'
-    }
-  } {0123 0123 nosort x sqlite_autoindex_t2249a_1 y sqlite_autoindex_t2249a_1}
-  do_test where2-6.22 {
-    queryplan {
-      SELECT x.a,y.a FROM t2249a x CROSS JOIN t2249a y
-       WHERE y.a=x.a OR y.a='hello'
-    }
-  } {0123 0123 nosort x sqlite_autoindex_t2249a_1 y sqlite_autoindex_t2249a_1}
-  do_test where2-6.23 {
-    queryplan {
-      SELECT x.a,y.a FROM t2249a x CROSS JOIN t2249a y
-       WHERE y.a='hello' OR x.a=y.a
-    }
-  } {0123 0123 nosort x sqlite_autoindex_t2249a_1 y sqlite_autoindex_t2249a_1}
-}
-
-# Unique queries (queries that are guaranteed to return only a single
-# row of result) do not call the sorter.  But all tables must give
-# a unique result.  If any one table in the join does not give a unique
-# result then sorting is necessary.
-#
-do_test where2-7.1 {
-  cksort {
-    create table t8(a unique, b, c);
-    insert into t8 values(1,2,3);
-    insert into t8 values(2,3,4);
-    create table t9(x,y);
-    insert into t9 values(2,4);
-    insert into t9 values(2,3);
-    select y from t8, t9 where a=1 order by a, y;
-  }
-} {3 4 sort}
-do_test where2-7.2 {
-  cksort {
-    select * from t8 where a=1 order by b, c
-  }
-} {1 2 3 nosort}
-do_test where2-7.3 {
-  cksort {
-    select * from t8, t9 where a=1 and y=3 order by b, x
-  }
-} {1 2 3 2 3 sort}
-do_test where2-7.4 {
-  cksort {
-    create unique index i9y on t9(y);
-    select * from t8, t9 where a=1 and y=3 order by b, x
-  }
-} {1 2 3 2 3 nosort}
-
-} ;# if {[permutation] != "no_optimization"}
-
-# Ticket #1807.  Using IN constrains on multiple columns of
-# a multi-column index.
-#
-ifcapable subquery {
-  do_test where2-8.1 {
-    execsql {
-      SELECT * FROM t1 WHERE x IN (20,21) AND y IN (1,2)
-    }
-  } {}
-  do_test where2-8.2 {
-    execsql {
-      SELECT * FROM t1 WHERE x IN (1,2) AND y IN (-5,-6)
-    }
-  } {}
-  execsql {CREATE TABLE tx AS SELECT * FROM t1}
-  do_test where2-8.3 {
-    execsql {
-      SELECT w FROM t1
-       WHERE x IN (SELECT x FROM tx WHERE rowid<0)
-         AND +y IN (SELECT y FROM tx WHERE rowid=1)
-    }
-  } {}
-  do_test where2-8.4 {
-    execsql {
-      SELECT w FROM t1
-       WHERE x IN (SELECT x FROM tx WHERE rowid=1)
-         AND y IN (SELECT y FROM tx WHERE rowid<0)
-    }
-  } {}
-  #set sqlite_where_trace 1
-  do_test where2-8.5 {
-    execsql {
-      CREATE INDEX tx_xyz ON tx(x, y, z, w);
-      SELECT w FROM tx
-       WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20)
-         AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20)
-         AND z IN (SELECT z FROM t1 WHERE w BETWEEN 12 AND 14)
-    }
-  } {12 13 14}
-  do_test where2-8.6 {
-    execsql {
-      SELECT w FROM tx
-       WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20)
-         AND y IN (SELECT y FROM t1 WHERE w BETWEEN 12 AND 14)
-         AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20)
-    }
-  } {12 13 14}
-  do_test where2-8.7 {
-    execsql {
-      SELECT w FROM tx
-       WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 12 AND 14)
-         AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20)
-         AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20)
-    }
-  } {10 11 12 13 14 15}
-  do_test where2-8.8 {
-    execsql {
-      SELECT w FROM tx
-       WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20)
-         AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20)
-         AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20)
-    }
-  } {10 11 12 13 14 15 16 17 18 19 20}
-  do_test where2-8.9 {
-    execsql {
-      SELECT w FROM tx
-       WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20)
-         AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20)
-         AND z IN (SELECT z FROM t1 WHERE w BETWEEN 2 AND 4)
-    }
-  } {}
-  do_test where2-8.10 {
-    execsql {
-      SELECT w FROM tx
-       WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20)
-         AND y IN (SELECT y FROM t1 WHERE w BETWEEN 2 AND 4)
-         AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20)
-    }
-  } {}
-  do_test where2-8.11 {
-    execsql {
-      SELECT w FROM tx
-       WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 2 AND 4)
-         AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20)
-         AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20)
-    }
-  } {}
-  do_test where2-8.12 {
-    execsql {
-      SELECT w FROM tx
-       WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20)
-         AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20)
-         AND z IN (SELECT z FROM t1 WHERE w BETWEEN -4 AND -2)
-    }
-  } {}
-  do_test where2-8.13 {
-    execsql {
-      SELECT w FROM tx
-       WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20)
-         AND y IN (SELECT y FROM t1 WHERE w BETWEEN -4 AND -2)
-         AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20)
-    }
-  } {}
-  do_test where2-8.14 {
-    execsql {
-      SELECT w FROM tx
-       WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN -4 AND -2)
-         AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20)
-         AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20)
-    }
-  } {}
-  do_test where2-8.15 {
-    execsql {
-      SELECT w FROM tx
-       WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20)
-         AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20)
-         AND z IN (SELECT z FROM t1 WHERE w BETWEEN 200 AND 300)
-    }
-  } {}
-  do_test where2-8.16 {
-    execsql {
-      SELECT w FROM tx
-       WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 10 AND 20)
-         AND y IN (SELECT y FROM t1 WHERE w BETWEEN 200 AND 300)
-         AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20)
-    }
-  } {}
-  do_test where2-8.17 {
-    execsql {
-      SELECT w FROM tx
-       WHERE x IN (SELECT x FROM t1 WHERE w BETWEEN 200 AND 300)
-         AND y IN (SELECT y FROM t1 WHERE w BETWEEN 10 AND 20)
-         AND z IN (SELECT z FROM t1 WHERE w BETWEEN 10 AND 20)
-    }
-  } {}
-  do_test where2-8.18 {
-    execsql {
-      SELECT w FROM tx
-       WHERE x IN (SELECT x FROM t1 WHERE +w BETWEEN 10 AND 20)
-         AND y IN (SELECT y FROM t1 WHERE +w BETWEEN 10 AND 20)
-         AND z IN (SELECT z FROM t1 WHERE +w BETWEEN 200 AND 300)
-    }
-  } {}
-  do_test where2-8.19 {
-    execsql {
-      SELECT w FROM tx
-       WHERE x IN (SELECT x FROM t1 WHERE +w BETWEEN 10 AND 20)
-         AND y IN (SELECT y FROM t1 WHERE +w BETWEEN 200 AND 300)
-         AND z IN (SELECT z FROM t1 WHERE +w BETWEEN 10 AND 20)
-    }
-  } {}
-  do_test where2-8.20 {
-    execsql {
-      SELECT w FROM tx
-       WHERE x IN (SELECT x FROM t1 WHERE +w BETWEEN 200 AND 300)
-         AND y IN (SELECT y FROM t1 WHERE +w BETWEEN 10 AND 20)
-         AND z IN (SELECT z FROM t1 WHERE +w BETWEEN 10 AND 20)
-    }
-  } {}
-}  
-
-# Make sure WHERE clauses of the form A=1 AND (B=2 OR B=3) are optimized
-# when we have an index on A and B.
-#
-ifcapable or_opt&&tclvar {
-  do_test where2-9.1 {
-    execsql {
-      BEGIN;
-      CREATE TABLE t10(a,b,c);
-      INSERT INTO t10 VALUES(1,1,1);
-      INSERT INTO t10 VALUES(1,2,2);
-      INSERT INTO t10 VALUES(1,3,3);
-    }
-    for {set i 4} {$i<=1000} {incr i} {
-      execsql {INSERT INTO t10 VALUES(1,$i,$i)}
-    }
-    execsql {
-      CREATE INDEX i10 ON t10(a,b);
-      COMMIT;
-      SELECT count(*) FROM t10;
-    }
-  } 1000
-  ifcapable subquery {
-    do_test where2-9.2 {
-      count {
-        SELECT * FROM t10 WHERE a=1 AND (b=2 OR b=3)
-      }
-    } {1 2 2 1 3 3 7}
-  }
-}
-
-# Indices with redundant columns
-#
-do_test where2-11.1 {
-  execsql {
-    CREATE TABLE t11(a,b,c,d);
-    CREATE INDEX i11aba ON t11(a,b,a,c); -- column A occurs twice.
-    INSERT INTO t11 VALUES(1,2,3,4);
-    INSERT INTO t11 VALUES(5,6,7,8);
-    INSERT INTO t11 VALUES(1,2,9,10);
-    INSERT INTO t11 VALUES(5,11,12,13);
-    SELECT c FROM t11 WHERE a=1 AND b=2 ORDER BY c;
-  }
-} {3 9}
-do_test where2-11.2 {
-  execsql {
-    CREATE INDEX i11cccccccc ON t11(c,c,c,c,c,c,c,c); -- repeated column
-    SELECT d FROM t11 WHERE c=9;
-  }
-} {10}
-do_test where2-11.3 {
-  execsql {
-    SELECT d FROM t11 WHERE c IN (1,2,3,4,5);
-  }
-} {4}
-do_test where2-11.4 {
-  execsql {
-    SELECT d FROM t11 WHERE c=7 OR (a=1 AND b=2) ORDER BY d;
-  }
-} {4 8 10}
-
-# Verify that the OR clause is used in an outer loop even when
-# the OR clause scores slightly better on an inner loop.
-if {[permutation] != "no_optimization"} {
-do_execsql_test where2-12.1 {
-  CREATE TABLE t12(x INTEGER PRIMARY KEY, y INT, z CHAR(100));
-  CREATE INDEX t12y ON t12(y);
-  EXPLAIN QUERY PLAN
-    SELECT a.x, b.x
-      FROM t12 AS a JOIN t12 AS b ON a.y=b.x
-     WHERE (b.x=$abc OR b.y=$abc);
-} {/.*SEARCH TABLE t12 AS b .*SEARCH TABLE t12 AS b .*/}
-}
-
-# Verify that all necessary OP_OpenRead opcodes occur in the OR optimization.
-#
-do_execsql_test where2-13.1 {
-  CREATE TABLE t13(a,b);
-  CREATE INDEX t13a ON t13(a);
-  INSERT INTO t13 VALUES(4,5);
-  SELECT * FROM t13 WHERE (1=2 AND a=3) OR a=4;
-} {4 5}
-
-finish_test