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pg_execute

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

pg_executeSends a request to execute a prepared statement with given parameters, and waits for the result

Descrição

pg_execute(PgSql\Connection $connection = ?, string $stmtname, array $params): PgSql\Result|false

Sends a request to execute a prepared statement with given parameters, and waits for the result.

pg_execute() is like pg_query_params(), but the command to be executed is specified by naming a previously-prepared statement, instead of giving a query string. This feature allows commands that will be used repeatedly to be parsed and planned just once, rather than each time they are executed. The statement must have been prepared previously in the current session. pg_execute() is supported only against PostgreSQL 7.4 or higher connections; it will fail when using earlier versions.

The parameters are identical to pg_query_params(), except that the name of a prepared statement is given instead of a query string.

Parâmetros

connection

Uma instância de PgSql\Connection. Quando o parâmetro connection não for especificado, a conexão padrão será usada. A conexão padrão é a última conexão feita por pg_connect() ou pg_pconnect().

Aviso

A partir do PHP 8.1.0, usar a conexão padrão tornou-se defasado.

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 PREPARE SQL 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.

Aviso

Elements are converted to strings by calling this function.

Valor Retornado

An PgSql\Result instance on success, ou false em caso de falha.

Registro de Alterações

Versão Descrição
8.1.0 Agora retorna uma instância de PgSql\Result; anteriormente, um resource era retornado.
8.1.0 O parâmetro connection agora espera uma instância de PgSql\Connection; anteriormente, um resource era esperado.

Exemplos

Exemplo #1 Using pg_execute()

<?php
// Connect to a database named "mary"
$dbconn = pg_connect("dbname=mary");

// Prepare a query for execution
$result = pg_prepare($dbconn, "my_query", 'SELECT * FROM shops WHERE name = $1');

// Execute the prepared query. Note that it is not necessary to escape
// the string "Joe's Widgets" in any way
$result = pg_execute($dbconn, "my_query", array("Joe's Widgets"));

// Execute the same prepared query, this time with a different parameter
$result = pg_execute($dbconn, "my_query", array("Clothes Clothes Clothes"));

?>

Veja Também

  • 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_query_params() - Submits a command to the server and waits for the result, with the ability to pass parameters separately from the SQL command text

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