Php/docs/function.pg-meta-data
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pg_meta_data
(PHP 4 >= 4.3.0, PHP 5, PHP 7)
pg_meta_data — Get meta data for table
Description
pg_meta_data
( resource $connection
, string $table_name
[, bool $extended = FALSE
] ) : array
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.
|
