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(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.

Warning

This function is EXPERIMENTAL . The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own 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

Returns TRUE on success or FALSE on failure. Returns string if PGSQL_DML_STRING is passed via options .

Examples

Example 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";
  }
?>

Related Function(s)

pg_convert()