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PHP pg_meta_data

PHP original manual for pg_meta_data [ show | php.net ]

pg_meta_data

(PHP 4 >= 4.3.0, PHP 5, PHP 7)

pg_meta_data Get meta data for table

Description

array pg_meta_data ( resource $connection , string $table_name [, bool $extended = FALSE ] )

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

Parameters

connection

PostgreSQL database connection resource.

table_name

The name of the table.

extended

Flag for returning extended meta data. Default to FALSE.

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)
}
}

Changelog

Version Description
5.6.0 No longer experimental. Added "is enum" as default attribute. extended flag is added.

See Also

  • pg_convert() - Convert associative array values into forms suitable for SQL statements