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Get meta data for table

pg_meta_data

(PHP 4 >= 4.3.0, PHP 5)

pg_meta_data — Get meta data for table

Description

array pg_meta_data ( resource $connection , string $table_name )

pg_meta_data() returns table definition for table_name as an array.

Warning

This function is EXPERIMENTAL. The behaviour of this function, its name, and surrounding documentation may change without notice in a future release of PHP. This function should be used at your own risk.

Parameters

connection

PostgreSQL database connection resource.

table_name

The name of the table.

Return Values

An array of the table definition, or FALSE on error.

Examples

Example #1 Getting table metadata

<?php
  $dbconn = pg_connect("dbname=publisher") or die("Could not connect");

  $meta = pg_meta_data($dbconn, 'authors');
  if (is_array($meta)) {
      echo '<pre>';
      var_dump($meta);
      echo '</pre>';
  }
?>

The above example will output:

 
 array(3) { ["author"]=> array(5) {   ["num"]=>   int(1)   ["type"]=>   string(7) "varchar"   ["len"]=>   int(-1)   ["not null"]=>   bool(false)   ["has default"]=>   bool(false) } ["year"]=> array(5) {   ["num"]=>   int(2)   ["type"]=>   string(4) "int2"   ["len"]=>   int(2)   ["not null"]=>   bool(false)   ["has default"]=>   bool(false) } ["title"]=> array(5) {   ["num"]=>   int(3)   ["type"]=>   string(7) "varchar"   ["len"]=>   int(-1)   ["not null"]=>   bool(false)   ["has default"]=>   bool(false) } }

See Also