172 lines
3.8 KiB
Plaintext
172 lines
3.8 KiB
Plaintext
# 2006 January 09
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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 testing the server mode of SQLite.
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#
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# This file is derived from thread1.test
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#
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# $Id: server1.test,v 1.5 2007/08/29 18:20:17 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# Skip this whole file if the server testing code is not enabled
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#
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if {[llength [info command client_step]]==0 || [sqlite3 -has-codec]} {
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finish_test
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return
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}
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# The sample server implementation does not work right when memory
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# management is enabled.
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#
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ifcapable memorymanage {
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finish_test
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return
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}
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# Create some data to work with
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#
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do_test server1-1.1 {
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execsql {
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CREATE TABLE t1(a,b);
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INSERT INTO t1 VALUES(1,'abcdefgh');
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INSERT INTO t1 SELECT a+1, b||b FROM t1;
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INSERT INTO t1 SELECT a+2, b||b FROM t1;
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INSERT INTO t1 SELECT a+4, b||b FROM t1;
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SELECT count(*), max(length(b)) FROM t1;
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}
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} {8 64}
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# Interleave two threads on read access. Then make sure a third
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# thread can write the database. In other words:
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#
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# read-lock A
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# read-lock B
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# unlock A
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# unlock B
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# write-lock C
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#
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do_test server1-1.2 {
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client_create A test.db
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client_create B test.db
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client_create C test.db
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client_compile A {SELECT a FROM t1}
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client_step A
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client_result A
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} SQLITE_ROW
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do_test server1-1.3 {
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client_argc A
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} 1
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do_test server1-1.4 {
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client_argv A 0
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} 1
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do_test server1-1.5 {
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client_compile B {SELECT b FROM t1}
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client_step B
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client_result B
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} SQLITE_ROW
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do_test server1-1.6 {
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client_argc B
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} 1
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do_test server1-1.7 {
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client_argv B 0
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} abcdefgh
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do_test server1-1.8 {
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client_finalize A
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client_result A
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} SQLITE_OK
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do_test server1-1.9 {
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client_finalize B
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client_result B
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} SQLITE_OK
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do_test server1-1.10 {
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client_compile C {CREATE TABLE t2(x,y)}
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client_step C
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client_result C
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} SQLITE_DONE
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do_test server1-1.11 {
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client_finalize C
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client_result C
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} SQLITE_OK
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do_test server1-1.12 {
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catchsql {SELECT name FROM sqlite_master}
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execsql {SELECT name FROM sqlite_master}
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} {t1 t2}
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# Read from table t1. Do not finalize the statement. This
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# will leave the lock pending.
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#
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do_test server1-2.1 {
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client_halt *
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client_create A test.db
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client_compile A {SELECT a FROM t1}
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client_step A
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client_result A
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} SQLITE_ROW
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# Read from the same table from another thread. This is allows.
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#
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do_test server1-2.2 {
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client_create B test.db
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client_compile B {SELECT b FROM t1}
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client_step B
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client_result B
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} SQLITE_ROW
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# Write to a different table from another thread. This is allowed
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# because in server mode with a shared cache we have table-level locking.
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#
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do_test server1-2.3 {
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client_create C test.db
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client_compile C {INSERT INTO t2 VALUES(98,99)}
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client_step C
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client_result C
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client_finalize C
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client_result C
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} SQLITE_OK
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# But we cannot insert into table t1 because threads A and B have it locked.
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#
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do_test server1-2.4 {
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client_compile C {INSERT INTO t1 VALUES(98,99)}
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client_step C
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client_result C
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client_finalize C
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client_result C
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} SQLITE_LOCKED
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do_test server1-2.5 {
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client_finalize B
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client_wait B
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client_compile C {INSERT INTO t1 VALUES(98,99)}
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client_step C
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client_result C
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client_finalize C
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client_result C
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} SQLITE_LOCKED
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# Insert into t1 is successful after finishing the other two threads.
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do_test server1-2.6 {
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client_finalize A
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client_wait A
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client_compile C {INSERT INTO t1 VALUES(98,99)}
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client_step C
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client_result C
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client_finalize C
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client_result C
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} SQLITE_OK
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client_halt *
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sqlite3_enable_shared_cache 0
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finish_test
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