[sqlite] Remove obsolete reference version 3.8.7.4.

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

-# 2012 November 9
-#
-# 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.
-#
-#***********************************************************************
-# 
-# Test cases for query planning decisions.
-
-
-#
-# The tests in this file demonstrate the behaviour of the query planner
-# in determining the order in which joined tables are scanned.
-#
-# Assume there are two tables being joined - t1 and t2. Each has a cost
-# if it is the outer loop, and a cost if it is the inner loop. As follows:
-#
-#   t1(outer) - cost of scanning t1 as the outer loop.
-#   t1(inner) - cost of scanning t1 as the inner loop.
-#   t2(outer) - cost of scanning t2 as the outer loop.
-#   t2(inner) - cost of scanning t2 as the inner loop.
-#
-# Depending on the order in which the planner nests the scans, the total
-# cost of the join query is one of:
-#
-#   t1(outer) * t2(inner)
-#   t2(outer) * t1(inner)
-#
-# The tests in this file attempt to verify that the planner nests joins in
-# the correct order when the following are true:
-#
-#   + (t1(outer) * t2(inner)) > (t1(inner) * t2(outer)
-#   +  t1(outer) < t2(outer)
-#
-# In other words, when the best overall query plan has t2 as the outer loop,
-# but when the outer loop is considered independent of the inner, t1 is the
-# most efficient choice.
-#
-# In order to make them more predictable, automatic indexes are turned off for
-# the tests in this file.
-#
-
-set testdir [file dirname $argv0]
-source $testdir/tester.tcl
-set testprefix whereF
-
-do_execsql_test 1.0 {
-  PRAGMA automatic_index = 0;
-  CREATE TABLE t1(a, b, c);
-  CREATE TABLE t2(d, e, f);
-  CREATE UNIQUE INDEX i1 ON t1(a);
-  CREATE UNIQUE INDEX i2 ON t2(d);
-} {}
-
-foreach {tn sql} {
-  1 "SELECT * FROM t1,           t2 WHERE t1.a=t2.e AND t2.d<t1.b AND t1.c!=10"
-  2 "SELECT * FROM t2,           t1 WHERE t1.a=t2.e AND t2.d<t1.b AND t1.c!=10"
-  3 "SELECT * FROM t2 CROSS JOIN t1 WHERE t1.a=t2.e AND t2.d<t1.b AND t1.c!=10"
-} {
-  do_test 1.$tn {
-    db eval "EXPLAIN QUERY PLAN $sql"
-   } {/.*SCAN TABLE t2\y.*SEARCH TABLE t1\y.*/}
-}
-
-do_execsql_test 2.0 {
-  DROP TABLE t1;
-  DROP TABLE t2;
-  CREATE TABLE t1(a, b, c);
-  CREATE TABLE t2(d, e, f);
-
-  CREATE UNIQUE INDEX i1 ON t1(a);
-  CREATE UNIQUE INDEX i2 ON t1(b);
-  CREATE UNIQUE INDEX i3 ON t2(d);
-} {}
-
-foreach {tn sql} {
-  1 "SELECT * FROM t1,           t2 WHERE t1.a>? AND t2.d>t1.c AND t1.b=t2.e"
-  2 "SELECT * FROM t2,           t1 WHERE t1.a>? AND t2.d>t1.c AND t1.b=t2.e"
-  3 "SELECT * FROM t2 CROSS JOIN t1 WHERE t1.a>? AND t2.d>t1.c AND t1.b=t2.e"
-} {
-  do_test 2.$tn {
-    db eval "EXPLAIN QUERY PLAN $sql"
-   } {/.*SCAN TABLE t2\y.*SEARCH TABLE t1\y.*/}
-}
-
-do_execsql_test 3.0 {
-  DROP TABLE t1;
-  DROP TABLE t2;
-  CREATE TABLE t1(a, b, c);
-  CREATE TABLE t2(d, e, f);
-
-  CREATE UNIQUE INDEX i1 ON t1(a, b);
-  CREATE INDEX i2 ON t2(d);
-} {}
-
-foreach {tn sql} {
-  1 {SELECT t1.a, t1.b, t2.d, t2.e FROM t1, t2 
-     WHERE t2.d=t1.b AND t1.a=(t2.d+1) AND t1.b = (t2.e+1)}
-
-  2 {SELECT t1.a, t1.b, t2.d, t2.e FROM t2, t1 
-     WHERE t2.d=t1.b AND t1.a=(t2.d+1) AND t1.b = (t2.e+1)}
-
-  3 {SELECT t1.a, t1.b, t2.d, t2.e FROM t2 CROSS JOIN t1 
-     WHERE t2.d=t1.b AND t1.a=(t2.d+1) AND t1.b = (t2.e+1)}
-} {
-  do_test 3.$tn {
-    db eval "EXPLAIN QUERY PLAN $sql"
-   } {/.*SCAN TABLE t2\y.*SEARCH TABLE t1\y.*/}
-}
-
-do_execsql_test 4.0 {
-  CREATE TABLE t4(a,b,c,d,e, PRIMARY KEY(a,b,c));
-  CREATE INDEX t4adc ON t4(a,d,c);
-  CREATE UNIQUE INDEX t4aebc ON t4(a,e,b,c);
-  EXPLAIN QUERY PLAN SELECT rowid FROM t4 WHERE a=? AND b=?;
-} {/a=. AND b=./}
-
-finish_test