Php/docs/function.pg-send-execute
pg_send_execute
(PHP 5 >= 5.1.0, PHP 7)
pg_send_execute — Sends a request to execute a prepared statement with given parameters, without waiting for the result(s)
说明
pg_send_execute
( resource $connection
, string $stmtname
, array $params
) : bool
Sends a request to execute a prepared statement with given parameters, without waiting for the result(s).
This is similar to pg_send_query_params(), but the command to be executed is specified by naming a previously-prepared statement, instead of giving a query string. The function's parameters are handled identically to pg_execute(). Like pg_execute(), it will not work on pre-7.4 versions of PostgreSQL.
参数
connection- PostgreSQL database connection resource. When
connectionis not present, the default connection is used. The default connection is the last connection made by pg_connect() or pg_pconnect(). stmtname- The name of the prepared statement to execute. if "" is specified, then the unnamed statement is executed. The name must have been previously prepared using pg_prepare(), pg_send_prepare() or a
PREPARESQL command. params- An array of parameter values to substitute for the $1, $2, etc. placeholders in the original prepared query string. The number of elements in the array must match the number of placeholders.
范例
Example #1 Using pg_send_execute()
<?php $dbconn = pg_connect("dbname=publisher") or die("Could not connect"); // Prepare a query for execution if (!pg_connection_busy($dbconn)) { pg_send_prepare($dbconn, "my_query", 'SELECT * FROM shops WHERE name = $1'); $res1 = pg_get_result($dbconn); } // Execute the prepared query. Note that it is not necessary to escape // the string "Joe's Widgets" in any way if (!pg_connection_busy($dbconn)) { pg_send_execute($dbconn, "my_query", array("Joe's Widgets")); $res2 = pg_get_result($dbconn); } // Execute the same prepared query, this time with a different parameter if (!pg_connection_busy($dbconn)) { pg_send_execute($dbconn, "my_query", array("Clothes Clothes Clothes")); $res3 = pg_get_result($dbconn); } ?>
参见
- pg_prepare() - Submits a request to create a prepared statement with the given parameters, and waits for completion
- pg_send_prepare() - Sends a request to create a prepared statement with the given parameters, without waiting for completion
- pg_execute() - Sends a request to execute a prepared statement with given parameters, and waits for the result
