[sqlite] Remove obsolete reference version 3.8.7.4.

third_party/sqlite/sqlite-src-3080704/test/skipscan3.test

-# 2014-08-20
-#
-# 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 tests of the "skip-scan" query strategy.
-# In particular, this file looks at skipping intermediate terms
-# in an index.  For example, if (a,b,c) are indexed, and we have
-# "WHERE a=?1 AND c=?2" - verify that skip-scan can still be used.
-#
-
-set testdir [file dirname $argv0]
-source $testdir/tester.tcl
-
-do_execsql_test skipscan3-1.1 {
-  CREATE TABLE t1(a,b,c,d,PRIMARY KEY(a,b,c));
-  WITH RECURSIVE
-    c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<1000)
-  INSERT INTO t1(a,b,c,d)
-    SELECT 1, 1, x, printf('x%04d',x) FROM c;
-  ANALYZE;
-} {}
-
-# This version has long used skip-scan because of the "+a"
-#
-do_execsql_test skipscan3-1.2eqp {
-  EXPLAIN QUERY PLAN SELECT d FROM t1 WHERE +a=1 AND c=32;
-} {/*ANY(a) AND ANY(b)*/}
-do_execsql_test skipscan3-1.2 {
-  SELECT d FROM t1 WHERE +a=1 AND c=32;
-} {x0032}
-
-# This version (with "a" instead of "+a") should use skip-scan but
-# did not prior to changes implemented on 2014-08-20
-#
-do_execsql_test skipscan3-1.3eqp {
-  EXPLAIN QUERY PLAN SELECT d FROM t1 WHERE a=1 AND c=32;
-} {/*ANY(a) AND ANY(b)*/}
-do_execsql_test skipscan3-1.3 {
-  SELECT d FROM t1 WHERE a=1 AND c=32;
-} {x0032}
-
-# Repeat the test on a WITHOUT ROWID table
-#
-do_execsql_test skipscan3-2.1 {
-  CREATE TABLE t2(a,b,c,d,PRIMARY KEY(a,b,c)) WITHOUT ROWID;
-  WITH RECURSIVE
-    c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<1000)
-  INSERT INTO t2(a,b,c,d)
-    SELECT 1, 1, x, printf('x%04d',x) FROM c;
-  ANALYZE;
-} {}
-do_execsql_test skipscan3-2.2eqp {
-  EXPLAIN QUERY PLAN SELECT d FROM t2 WHERE +a=1 AND c=32;
-} {/*ANY(a) AND ANY(b)*/}
-do_execsql_test skipscan3-2.2 {
-  SELECT d FROM t2 WHERE +a=1 AND c=32;
-} {x0032}
-do_execsql_test skipscan3-2.3eqp {
-  EXPLAIN QUERY PLAN SELECT d FROM t2 WHERE a=1 AND c=32;
-} {/*ANY(a) AND ANY(b)*/}
-do_execsql_test skipscan3-2.3 {
-  SELECT d FROM t2 WHERE a=1 AND c=32;
-} {x0032}
-
-  
-finish_test