# 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