418 lines
11 KiB
Plaintext
418 lines
11 KiB
Plaintext
# 2001 September 15
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library. The
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# focus of this script is in-memory database backend.
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#
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# $Id: memdb.test,v 1.15 2006/01/30 22:48:44 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable memorydb {
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# In the following sequence of tests, compute the MD5 sum of the content
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# of a table, make lots of modifications to that table, then do a rollback.
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# Verify that after the rollback, the MD5 checksum is unchanged.
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#
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# These tests were browed from trans.tcl.
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#
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do_test memdb-1.1 {
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db close
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sqlite3 db :memory:
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# sqlite3 db test.db
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execsql {
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BEGIN;
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CREATE TABLE t3(x TEXT);
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INSERT INTO t3 VALUES(randstr(10,400));
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INSERT INTO t3 VALUES(randstr(10,400));
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INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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INSERT INTO t3 SELECT randstr(10,400) FROM t3;
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COMMIT;
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SELECT count(*) FROM t3;
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}
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} {1024}
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# The following procedure computes a "signature" for table "t3". If
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# T3 changes in any way, the signature should change.
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#
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# This is used to test ROLLBACK. We gather a signature for t3, then
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# make lots of changes to t3, then rollback and take another signature.
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# The two signatures should be the same.
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#
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proc signature {{fn {}}} {
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set rx [db eval {SELECT x FROM t3}]
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# set r1 [md5 $rx\n]
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if {$fn!=""} {
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# set fd [open $fn w]
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# puts $fd $rx
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# close $fd
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}
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# set r [db eval {SELECT count(*), md5sum(x) FROM t3}]
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# puts "SIG($fn)=$r1"
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return [list [string length $rx] $rx]
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}
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# Do rollbacks. Make sure the signature does not change.
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#
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set limit 10
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for {set i 2} {$i<=$limit} {incr i} {
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set ::sig [signature one]
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# puts "sig=$sig"
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set cnt [lindex $::sig 0]
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if {$i%2==0} {
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execsql {PRAGMA synchronous=FULL}
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} else {
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execsql {PRAGMA synchronous=NORMAL}
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}
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do_test memdb-1.$i.1-$cnt {
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execsql {
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BEGIN;
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DELETE FROM t3 WHERE random()%10!=0;
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INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
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INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
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ROLLBACK;
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}
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set sig2 [signature two]
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} $sig
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# puts "sig2=$sig2"
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# if {$sig2!=$sig} exit
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do_test memdb-1.$i.2-$cnt {
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execsql {
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BEGIN;
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DELETE FROM t3 WHERE random()%10!=0;
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INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
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DELETE FROM t3 WHERE random()%10!=0;
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INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
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ROLLBACK;
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}
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signature
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} $sig
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if {$i<$limit} {
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do_test memdb-1.$i.9-$cnt {
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execsql {
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INSERT INTO t3 SELECT randstr(10,400) FROM t3 WHERE random()%10==0;
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}
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} {}
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}
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set ::pager_old_format 0
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}
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integrity_check memdb-2.1
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do_test memdb-3.1 {
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execsql {
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CREATE TABLE t4(a,b,c,d);
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BEGIN;
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INSERT INTO t4 VALUES(1,2,3,4);
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SELECT * FROM t4;
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}
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} {1 2 3 4}
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do_test memdb-3.2 {
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execsql {
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SELECT name FROM sqlite_master WHERE type='table';
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}
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} {t3 t4}
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do_test memdb-3.3 {
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execsql {
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DROP TABLE t4;
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SELECT name FROM sqlite_master WHERE type='table';
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}
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} {t3}
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do_test memdb-3.4 {
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execsql {
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ROLLBACK;
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SELECT name FROM sqlite_master WHERE type='table';
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}
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} {t3 t4}
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# Create tables for the first group of tests.
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#
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do_test memdb-4.0 {
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execsql {
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CREATE TABLE t1(a, b, c, UNIQUE(a,b));
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CREATE TABLE t2(x);
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SELECT c FROM t1 ORDER BY c;
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}
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} {}
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# Six columns of configuration data as follows:
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#
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# i The reference number of the test
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# conf The conflict resolution algorithm on the BEGIN statement
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# cmd An INSERT or REPLACE command to execute against table t1
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# t0 True if there is an error from $cmd
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# t1 Content of "c" column of t1 assuming no error in $cmd
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# t2 Content of "x" column of t2
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#
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foreach {i conf cmd t0 t1 t2} {
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1 {} INSERT 1 {} 1
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2 {} {INSERT OR IGNORE} 0 3 1
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3 {} {INSERT OR REPLACE} 0 4 1
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4 {} REPLACE 0 4 1
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5 {} {INSERT OR FAIL} 1 {} 1
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6 {} {INSERT OR ABORT} 1 {} 1
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7 {} {INSERT OR ROLLBACK} 1 {} {}
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} {
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# All tests after test 1 depend on conflict resolution. So end the
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# loop if that is not available in this build.
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ifcapable !conflict {if {$i>1} break}
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do_test memdb-4.$i {
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if {$conf!=""} {set conf "ON CONFLICT $conf"}
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set r0 [catch {execsql [subst {
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DELETE FROM t1;
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DELETE FROM t2;
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INSERT INTO t1 VALUES(1,2,3);
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BEGIN $conf;
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INSERT INTO t2 VALUES(1);
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$cmd INTO t1 VALUES(1,2,4);
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}]} r1]
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catch {execsql {COMMIT}}
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if {$r0} {set r1 {}} {set r1 [execsql {SELECT c FROM t1}]}
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set r2 [execsql {SELECT x FROM t2}]
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list $r0 $r1 $r2
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} [list $t0 $t1 $t2]
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}
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do_test memdb-5.0 {
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execsql {
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DROP TABLE t2;
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DROP TABLE t3;
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CREATE TABLE t2(a,b,c);
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INSERT INTO t2 VALUES(1,2,1);
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INSERT INTO t2 VALUES(2,3,2);
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INSERT INTO t2 VALUES(3,4,1);
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INSERT INTO t2 VALUES(4,5,4);
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SELECT c FROM t2 ORDER BY b;
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CREATE TABLE t3(x);
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INSERT INTO t3 VALUES(1);
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}
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} {1 2 1 4}
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# Six columns of configuration data as follows:
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#
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# i The reference number of the test
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# conf1 The conflict resolution algorithm on the UNIQUE constraint
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# conf2 The conflict resolution algorithm on the BEGIN statement
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# cmd An UPDATE command to execute against table t1
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# t0 True if there is an error from $cmd
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# t1 Content of "b" column of t1 assuming no error in $cmd
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# t2 Content of "x" column of t3
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#
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foreach {i conf1 conf2 cmd t0 t1 t2} {
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1 {} {} UPDATE 1 {6 7 8 9} 1
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2 REPLACE {} UPDATE 0 {7 6 9} 1
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3 IGNORE {} UPDATE 0 {6 7 3 9} 1
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4 FAIL {} UPDATE 1 {6 7 3 4} 1
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5 ABORT {} UPDATE 1 {1 2 3 4} 1
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6 ROLLBACK {} UPDATE 1 {1 2 3 4} 0
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7 REPLACE {} {UPDATE OR IGNORE} 0 {6 7 3 9} 1
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8 IGNORE {} {UPDATE OR REPLACE} 0 {7 6 9} 1
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9 FAIL {} {UPDATE OR IGNORE} 0 {6 7 3 9} 1
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10 ABORT {} {UPDATE OR REPLACE} 0 {7 6 9} 1
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11 ROLLBACK {} {UPDATE OR IGNORE} 0 {6 7 3 9} 1
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12 {} {} {UPDATE OR IGNORE} 0 {6 7 3 9} 1
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13 {} {} {UPDATE OR REPLACE} 0 {7 6 9} 1
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14 {} {} {UPDATE OR FAIL} 1 {6 7 3 4} 1
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15 {} {} {UPDATE OR ABORT} 1 {1 2 3 4} 1
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16 {} {} {UPDATE OR ROLLBACK} 1 {1 2 3 4} 0
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} {
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# All tests after test 1 depend on conflict resolution. So end the
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# loop if that is not available in this build.
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ifcapable !conflict {
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if {$i>1} break
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}
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if {$t0} {set t1 {column a is not unique}}
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do_test memdb-5.$i {
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if {$conf1!=""} {set conf1 "ON CONFLICT $conf1"}
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if {$conf2!=""} {set conf2 "ON CONFLICT $conf2"}
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set r0 [catch {execsql [subst {
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DROP TABLE t1;
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CREATE TABLE t1(a,b,c, UNIQUE(a) $conf1);
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INSERT INTO t1 SELECT * FROM t2;
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UPDATE t3 SET x=0;
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BEGIN $conf2;
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$cmd t3 SET x=1;
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$cmd t1 SET b=b*2;
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$cmd t1 SET a=c+5;
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}]} r1]
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catch {execsql {COMMIT}}
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if {!$r0} {set r1 [execsql {SELECT a FROM t1 ORDER BY b}]}
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set r2 [execsql {SELECT x FROM t3}]
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list $r0 $r1 $r2
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} [list $t0 $t1 $t2]
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}
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do_test memdb-6.1 {
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execsql {
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SELECT * FROM t2;
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}
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} {1 2 1 2 3 2 3 4 1 4 5 4}
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do_test memdb-6.2 {
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execsql {
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BEGIN;
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DROP TABLE t2;
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SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
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}
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} {t1 t3 t4}
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do_test memdb-6.3 {
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execsql {
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ROLLBACK;
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SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
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}
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} {t1 t2 t3 t4}
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do_test memdb-6.4 {
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execsql {
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SELECT * FROM t2;
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}
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} {1 2 1 2 3 2 3 4 1 4 5 4}
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ifcapable compound {
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do_test memdb-6.5 {
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execsql {
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SELECT a FROM t2 UNION SELECT b FROM t2 ORDER BY 1;
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}
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} {1 2 3 4 5}
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} ;# ifcapable compound
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do_test memdb-6.6 {
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execsql {
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CREATE INDEX i2 ON t2(c);
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SELECT a FROM t2 ORDER BY c;
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}
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} {1 3 2 4}
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do_test memdb-6.6 {
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execsql {
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SELECT a FROM t2 ORDER BY c DESC;
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}
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} {4 2 3 1}
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do_test memdb-6.7 {
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execsql {
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BEGIN;
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CREATE TABLE t5(x,y);
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INSERT INTO t5 VALUES(1,2);
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SELECT * FROM t5;
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}
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} {1 2}
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do_test memdb-6.8 {
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execsql {
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SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
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}
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} {t1 t2 t3 t4 t5}
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do_test memdb-6.9 {
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execsql {
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ROLLBACK;
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SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
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}
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} {t1 t2 t3 t4}
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do_test memdb-6.10 {
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execsql {
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CREATE TABLE t5(x PRIMARY KEY, y UNIQUE);
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SELECT * FROM t5;
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}
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} {}
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do_test memdb-6.11 {
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execsql {
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SELECT * FROM t5 ORDER BY y DESC;
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}
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} {}
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ifcapable conflict {
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do_test memdb-6.12 {
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execsql {
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INSERT INTO t5 VALUES(1,2);
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INSERT INTO t5 VALUES(3,4);
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REPLACE INTO t5 VALUES(1,4);
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SELECT rowid,* FROM t5;
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}
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} {3 1 4}
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do_test memdb-6.13 {
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execsql {
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DELETE FROM t5 WHERE x>5;
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SELECT * FROM t5;
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}
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} {1 4}
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do_test memdb-6.14 {
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execsql {
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DELETE FROM t5 WHERE y<3;
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SELECT * FROM t5;
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}
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} {1 4}
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}
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do_test memdb-6.15 {
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execsql {
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DELETE FROM t5 WHERE x>0;
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SELECT * FROM t5;
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}
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} {}
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ifcapable subquery {
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do_test memdb-7.1 {
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execsql {
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CREATE TABLE t6(x);
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INSERT INTO t6 VALUES(1);
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INSERT INTO t6 SELECT x+1 FROM t6;
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INSERT INTO t6 SELECT x+2 FROM t6;
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INSERT INTO t6 SELECT x+4 FROM t6;
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INSERT INTO t6 SELECT x+8 FROM t6;
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INSERT INTO t6 SELECT x+16 FROM t6;
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INSERT INTO t6 SELECT x+32 FROM t6;
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INSERT INTO t6 SELECT x+64 FROM t6;
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INSERT INTO t6 SELECT x+128 FROM t6;
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SELECT count(*) FROM (SELECT DISTINCT x FROM t6);
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}
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} {256}
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for {set i 1} {$i<=256} {incr i} {
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do_test memdb-7.2.$i {
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execsql "DELETE FROM t6 WHERE x=\
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(SELECT x FROM t6 ORDER BY random() LIMIT 1)"
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execsql {SELECT count(*) FROM t6}
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} [expr {256-$i}]
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}
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}
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# Ticket #1524
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#
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do_test memdb-8.1 {
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db close
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sqlite3 db {:memory:}
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execsql {
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PRAGMA auto_vacuum=TRUE;
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CREATE TABLE t1(a);
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INSERT INTO t1 VALUES(randstr(5000,6000));
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INSERT INTO t1 VALUES(randstr(5000,6000));
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INSERT INTO t1 VALUES(randstr(5000,6000));
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INSERT INTO t1 VALUES(randstr(5000,6000));
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INSERT INTO t1 VALUES(randstr(5000,6000));
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SELECT count(*) FROM t1;
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}
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} 5
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do_test memdb-8.2 {
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execsql {
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DELETE FROM t1;
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SELECT count(*) FROM t1;
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}
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} 0
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} ;# ifcapable memorydb
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finish_test
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