005.phpt

php-4.4.7学习linux时下载的源代码

--TEST--
InterBase: transactions
--SKIPIF--
<?php include("skipif.inc"); ?>
--POST--
--GET--
--FILE--
<?php /* $Id: 005.phpt,v 1.2.4.4 2004/02/15 20:47:21 abies Exp $ */

require("interbase.inc");

ibase_connect($test_base);

@ibase_query("CREATE TABLE test5 (i integer)");
@ibase_query("DELETE FROM test5");
ibase_close();


echo "default transaction:\n";

/*
Difference between default and other transactions:
default commited when you call  ibase_close().
Other transaction doing rollback.

If you not open default transaction with
ibase_trans, default transaction open
when you call ibase_query(), ibase_prepare(),
ibase_blob_create(), ibase_blob_import()  first time.
*/

/*
simple default transaction test without ibase_trans()
*/

ibase_connect($test_base);

echo "empty table\n";

/*  out_table call ibase_query()
  and ibase_query() start default transaction */
out_table("test5");   

/* in default transaction context */
ibase_query("INSERT INTO test5 (i) VALUES (1)");

echo "one row\n";
out_table("test5");

ibase_rollback(); /* default rolled */

echo "after rollback table empty again\n";
out_table("test5");  /* started new default transaction */

ibase_query("INSERT INTO test5 (i) VALUES (2)");

ibase_close(); /* commit here! */

ibase_connect($test_base);

echo "one row\n";
out_table("test5");
ibase_close();

/*
default transaction on default link
First open transaction on link will be default.
$tr_def_l1 may be ommited. All queryes without link and trans
parameters run in this context
*/

$link_def = ibase_connect($test_base);

$tr_def_l1 = ibase_trans(IBASE_READ); /* here transaction start */

/* all default */
$res = ibase_query("SELECT * FROM test5");

echo "one row\n";
out_result($res,"test5");

ibase_free_result($res);

/* specify transaction context...  */
$res = ibase_query($tr_def_l1, "SELECT * FROM test5");

echo "one row... again.\n";
out_result($res,"test5");

ibase_free_result($res);

/* specify default transaction on link  */
$res = ibase_query($link_def, "SELECT * FROM test5");

echo "one row.\n";
out_result($res,"test5");

ibase_free_result($res);

ibase_rollback($link_def); /* just for example */

ibase_close();

/*
three transaction on default link
*/
ibase_connect($test_base);

$tr_1 = ibase_trans();  /* this default transaction also */
$tr_2 = ibase_trans(IBASE_READ);
$tr_3 = ibase_trans(IBASE_READ+IBASE_COMMITTED+IBASE_REC_VERSION+IBASE_WAIT);    
$tr_4 = ibase_trans(IBASE_READ+IBASE_COMMITTED+IBASE_REC_NO_VERSION+IBASE_NOWAIT);	

$res = ibase_query("select * from test5");

echo "one row\n";
out_result($res,"test5");

ibase_free_result($res);

/* insert in first transaction context...  */
/* as default */
ibase_query("INSERT INTO test5 (i) VALUES (3)");
/* specify context */
ibase_query($tr_1, "INSERT INTO test5 (i) VALUES (4)");

$res = ibase_query("SELECT * FROM test5");

echo "three rows\n";
out_result($res,"test5");

ibase_free_result($res);

$res = ibase_query($tr_1, "SELECT * FROM test5");

echo "three rows again\n";
out_result($res,"test5");

ibase_free_result($res);

ibase_commit($tr_1);

$tr_1 = ibase_trans();
 ibase_query($tr_1, "INSERT INTO test5 (i) VALUES (5)");

/* tr_2 is IBASE_READ + IBASE_CONCURRENCY + IBASE_WAIT */
$res = ibase_query($tr_2, "SELECT * FROM test5");

echo "one row in second transaction\n";
out_result($res,"test5");

ibase_free_result($res);

/* tr_3 is IBASE_COMMITTED + IBASE_REC_VERSION + IBASE_WAIT */
$res = ibase_query($tr_3, "SELECT * FROM test5");

echo "three rows in third transaction\n";
out_result($res,"test5");

ibase_free_result($res);

/* tr_4 IBASE_COMMITED + IBASE_REC_NO_VERSION + IBASE_NOWAIT */
$res = ibase_query($tr_4, "SELECT * FROM test5");

 echo "three rows in fourth transaction with deadlock\n";
out_result_trap_error($res,"test5");

ibase_free_result($res); 

ibase_rollback($tr_1);
ibase_close();
/*
transactions on second link
*/
$link_1 = ibase_pconnect($test_base);
$link_2 = ibase_pconnect($test_base);

$tr_1 = ibase_trans(IBASE_DEFAULT, $link_2);  /* this default transaction also */
$tr_2 = ibase_trans(IBASE_COMMITTED, $link_2);

$res = ibase_query($tr_1, "SELECT * FROM test5");

echo "three rows\n";
out_result($res,"test5");

ibase_free_result($res);

ibase_query($tr_1, "INSERT INTO test5 (i) VALUES (5)");

$res = ibase_query($tr_1, "SELECT * FROM test5");

echo "four rows\n";
out_result($res,"test5");

ibase_free_result($res);

ibase_commit($tr_1);

$res = ibase_query($tr_2, "SELECT * FROM test5");

echo "four rows again\n";
out_result($res,"test5");

ibase_free_result($res);

ibase_close($link_1);
ibase_close($link_2);

echo "end of test\n";
?>
--EXPECT--
default transaction:
empty table
--- test5 ---
---
one row
--- test5 ---
1	
---
after rollback table empty again
--- test5 ---
---
one row
--- test5 ---
2	
---
one row
--- test5 ---
2	
---
one row... again.
--- test5 ---
2	
---
one row.
--- test5 ---
2	
---
one row
--- test5 ---
2	
---
three rows
--- test5 ---
2	
3	
4	
---
three rows again
--- test5 ---
2	
3	
4	
---
one row in second transaction
--- test5 ---
2	
---
three rows in third transaction
--- test5 ---
2	
3	
4	
---
three rows in fourth transaction with deadlock
--- test5 ---
2	
3	
4	
errmsg [lock conflict on no wait transaction deadlock ]	
---
three rows
--- test5 ---
2	
3	
4	
---
four rows
--- test5 ---
2	
3	
4	
5	
---
four rows again
--- test5 ---
2	
3	
4	
5	
---
end of test