Class Collection
Represents a database schema collection
Used to access information about the tables, and other data in a database.
Property Summary
-
$_connection protected
Cake\Database\ConnectionConnection object
-
$_dialect protected
Cake\Database\Schema\BaseSchemaSchema dialect instance.
Method Summary
-
__construct() public
Constructor.
-
_reflect() protected
Helper method for running each step of the reflection process.
-
describe() public
Get the column metadata for a table.
-
listTables() public
Get the list of tables available in the current connection.
Method Detail
__construct() ¶ public
__construct(Cake\Database\Connection $connection)Constructor.
Parameters
-
Cake\Database\Connection$connection The connection instance.
_reflect() ¶ protected
_reflect(string $stage, string $name, array $config, Cake\Database\Schema\TableSchema $schema): voidHelper method for running each step of the reflection process.
Parameters
-
string$stage The stage name.
-
string$name The table name.
-
array$config The config data.
-
Cake\Database\Schema\TableSchema$schema The table instance
Returns
voidThrows
Cake\Database\Exceptionon query failure.
describe() ¶ public
describe(string $name, array $options = []): Cake\Database\Schema\TableSchemaGet the column metadata for a table.
The name can include a database schema name in the form 'schema.table'.
Caching will be applied if cacheMetadata key is present in the Connection
configuration options. Defaults to _cakemodel when true.
Options
forceRefresh- Set to true to force rebuilding the cached metadata. Defaults to false.
Parameters
-
string$name The name of the table to describe.
-
array$options optional The options to use, see above.
Returns
Cake\Database\Schema\TableSchemaObject with column metadata.
Throws
Cake\Database\Exceptionwhen table cannot be described.
listTables() ¶ public
listTables(): string[]Get the list of tables available in the current connection.
Returns
string[]The list of tables in the connected database/schema.