pg_select

(PHP 4 >= 4.3.0, PHP 5)

pg_select --  Select records

Description

mixed pg_select ( resource connection, string table_name, array assoc_array [, int options] )

pg_select() selects records specified by assoc_array which has field=>value. For a successful query, it returns an array containing all records and fields that match the condition specified by assoc_array.

If options is specified, pg_convert() is applied to assoc_array with the specified flags.

Varning

Den h�r funktionen �r EXPERIMENTELL. Dess beteende, namnet p� den, och allt annat dokumenterat om den h�r funktionen kan �ndras i framtida utg�var av PHP. Anv�nd den p� egen risk.

Parameters

connection

PostgreSQL database connection resource.

table_name

Name of the table from which to select rows.

assoc_array

An array whose keys are field names in the table table_name, and whose values are what matched rows are to be updated to.

condition

An array whose keys are field names in the table table_name, and whose values are the conditions that a row must meet to be retrieved.

options

Any number of PGSQL_CONV_FORCE_NULL, PGSQL_DML_NO_CONV, PGSQL_DML_EXEC, PGSQL_DML_ASYNC or PGSQL_DML_STRING combined. If PGSQL_DML_STRING is part of the options then query string is returned.

Return Values

Returnerar TRUE vid framg�ng eller FALSE vid fel. Returns string if PGSQL_DML_STRING is passed via options.

Exempel

Exempel 1. pg_select() example

<?php
  $db
= pg_connect('dbname=foo');
  
// This is safe, since $_POST is converted automatically
  
$rec = pg_select($db, 'post_log', $_POST);
  if (
$rec) {
      echo
"Records selected\n";
      
var_dump($rec);
  } else {
      echo
"User must have sent wrong inputs\n";
  }
?>

Se ocks�

pg_convert()