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PHP:pg_transaction_status()的用法_PostgreSQL函数

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pg_transaction_status

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(PHP 5 >= 5.1.0)

pg_transaction_status — Returns the current in-transaction status of the server.

说明 int pg_transaction_status ( resource $connection )

Returns the current in-transaction status of the server.

Caution

pg_transaction_status() will give incorrect results when using a PostgreSQL 7.3 server that has the parameter autocommit set to off. The server-side autocommit feature has been deprecated and does not exist in later server versions.

参数

PHP:pg_transaction_status()的用法_PostgreSQL函数

connection

PostgreSQL database connection resource.

返回值

The status can be PGSQL_TRANSACTION_IDLE (currently idle), PGSQL_TRANSACTION_ACTIVE (a command is in progress), PGSQL_TRANSACTION_INTRANS (idle, in a valid transaction block), or PGSQL_TRANSACTION_INERROR (idle, in a failed transaction block). PGSQL_TRANSACTION_UNKNOWN is reported if the connection is bad. PGSQL_TRANSACTION_ACTIVE is reported only when a query has been sent to the server and not yet completed.

范例

Example #1 pg_transaction_status() example

<?php$dbconn=pg_connect("dbname=publisher")ordie("Couldnotconnect");$stat=pg_transaction_status($dbconn);if($stat===PGSQL_TRANSACTION_UNKNOWN){echo'Connectionisbad';}elseif($stat===PGSQL_TRANSACTION_IDLE){echo'Connectioniscurrentlyidle';}else{echo'Connectionisinatransactionstate';}?>

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