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Website Programming in PHP / MYSQL
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, the 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) } }
