(PHP 4 >= 4.3.0, PHP 5, PHP 7)
Get meta data for table
array pg_meta_data ( resource $connection, string $table_name [, bool $extended ] )
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
.
Returns:
An array of the table definition, or FALSE
on error.
Changelog:
5.6.0
No longer experimental. Added "is enum" as default attribute. extended
flag is added.
Examples:
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:
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