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pg_send_prepare

pg_send_prepare

Sends a request to create a prepared statement with the given parameters, without waiting for completion

 **pg_send_prepare** PgSql\Connection $connection string $statement_name string $query

Sends a request to create a prepared statement with the given parameters, without waiting for completion.

This is an asynchronous version of : it returns true if it was able to 
dispatch the request, and false if not. After a successful call, call 
 to determine whether the server successfully created the 
prepared statement. The function's parameters are handled identically to 
. Like , it will not work 
on pre-7.4 versions of PostgreSQL.

pg_prepare``pg_get_result``pg_prepare``pg_prepare

connection``statement_nameThe name to give the prepared statement. Must be unique per-connection. If "" is specified, then an unnamed statement is created, overwriting any previously defined unnamed statement.

queryThe parameterized SQL statement. Must contain only a single statement. (multiple statements separated by semi-colons are not allowed.) If any parameters are used, they are referred to as $1, $2, etc.

Returns true on success, false or on failure. Use to determine the query result. 0``pg_get_result

**Voorbeeld: Using **

<?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);
  }
  
?>

pg_connect``pg_pconnect``pg_execute``pg_send_execute``pg_send_query_params

Vorige ← pg_send_execute Volgende pg_send_query_params →

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