[sql] Import reference version of SQLite 3.17..

third_party/sqlite/sqlite-src-3170000/test/autoindex5.test

Index: third_party/sqlite/sqlite-src-3170000/test/autoindex5.test
diff --git a/third_party/sqlite/sqlite-src-3170000/test/autoindex5.test b/third_party/sqlite/sqlite-src-3170000/test/autoindex5.test
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+# 2014-10-24
+#
+# 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 script is testing automatic index creation logic,
+# and specifically ensuring that automatic indexes can be used with
+# co-routine subqueries.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix autoindex5
+
+# Schema is from the Debian security database
+#
+do_execsql_test autoindex5-1.0 {
+  CREATE TABLE source_package_status
+          (bug_name TEXT NOT NULL,
+           package INTEGER NOT NULL,
+           vulnerable INTEGER NOT NULL,
+           urgency TEXT NOT NULL,
+           PRIMARY KEY (bug_name, package));
+  CREATE INDEX source_package_status_package
+              ON source_package_status(package);
+  
+  CREATE TABLE source_packages
+              (name TEXT NOT NULL,
+              release TEXT NOT NULL,
+              subrelease TEXT NOT NULL,
+              archive TEXT NOT NULL,
+              version TEXT NOT NULL,
+              version_id INTEGER NOT NULL DEFAULT 0,
+              PRIMARY KEY (name, release, subrelease, archive));
+  
+  CREATE TABLE bugs
+          (name TEXT NOT NULL PRIMARY KEY,
+           cve_status TEXT NOT NULL
+               CHECK (cve_status IN
+                      ('', 'CANDIDATE', 'ASSIGNED', 'RESERVED', 'REJECTED')),
+           not_for_us INTEGER NOT NULL CHECK (not_for_us IN (0, 1)),
+           description TEXT NOT NULL,
+           release_date TEXT NOT NULL,
+           source_file TEXT NOT NULL,
+           source_line INTEGER NOT NULL);
+  
+  CREATE TABLE package_notes
+          (id INTEGER NOT NULL PRIMARY KEY,
+           bug_name TEXT NOT NULL,
+           package TEXT NOT NULL,
+           fixed_version TEXT
+               CHECK (fixed_version IS NULL OR fixed_version <> ''),
+           fixed_version_id INTEGER NOT NULL DEFAULT 0,
+           release TEXT NOT NULL,
+           package_kind TEXT NOT NULL DEFAULT 'unknown',
+           urgency TEXT NOT NULL,
+           bug_origin TEXT NOT NULL DEFAULT '');
+  CREATE INDEX package_notes_package
+              ON package_notes(package);
+  CREATE UNIQUE INDEX package_notes_bug
+              ON package_notes(bug_name, package, release);
+  
+  CREATE TABLE debian_bugs
+          (bug INTEGER NOT NULL,
+           note INTEGER NOT NULL,
+           PRIMARY KEY (bug, note));
+  
+  
+  CREATE VIEW debian_cve AS
+              SELECT DISTINCT debian_bugs.bug, st.bug_name
+              FROM package_notes, debian_bugs, source_package_status AS st
+              WHERE package_notes.bug_name = st.bug_name
+              AND debian_bugs.note = package_notes.id
+              ORDER BY debian_bugs.bug;
+} {}
+
+# The following query should use an automatic index for the view
+# in FROM clause of the subquery of the second result column.
+#
+do_execsql_test autoindex5-1.1 {
+  EXPLAIN QUERY PLAN
+  SELECT
+    st.bug_name,
+    (SELECT ALL debian_cve.bug FROM debian_cve
+      WHERE debian_cve.bug_name = st.bug_name
+      ORDER BY debian_cve.bug),
+    sp.release
+  FROM
+     source_package_status AS st,
+     source_packages AS sp,
+     bugs
+  WHERE
+     sp.rowid = st.package
+     AND st.bug_name = bugs.name
+     AND ( st.bug_name LIKE 'CVE-%' OR st.bug_name LIKE 'TEMP-%' )
+     AND ( sp.release = 'sid' OR sp.release = 'stretch' OR sp.release = 'jessie'
+            OR sp.release = 'wheezy' OR sp.release = 'squeeze' )
+  ORDER BY sp.name, st.bug_name, sp.release, sp.subrelease;
+} {/SEARCH SUBQUERY 2 USING AUTOMATIC COVERING INDEX .bug_name=/}
+
+#-------------------------------------------------------------------------
+# Test that ticket [8a2adec1] has been fixed.
+#
+do_execsql_test 2.1 {
+  CREATE TABLE one(o);
+  INSERT INTO one DEFAULT VALUES;
+
+  CREATE TABLE t1(x, z);
+  INSERT INTO t1 VALUES('aaa', 4.0);
+  INSERT INTO t1 VALUES('aaa', 4.0);
+  CREATE VIEW vvv AS
+    SELECT * FROM t1
+    UNION ALL
+    SELECT 0, 0 WHERE 0;
+
+  SELECT (
+      SELECT sum(z) FROM vvv WHERE x='aaa'
+  ) FROM one;
+} {8.0}
+    
+
+finish_test