Class Collection

Represents a database schema collection

Used to access information about the tables, and other data in a database.

Namespace: Cake\Database\Schema

Properties summary

  • $_connection protected
    \Cake\Database\Connection

    Connection object

  • $_dialect protected
    \Cake\Database\Schema\BaseSchema

    Schema 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)

Helper 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 schema instance.

Throws

Cake\Database\Exception
on query failure.

describe() public 

describe(string $name, array $options)

Get 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\TableSchema

Object with column metadata.

Throws

Cake\Database\Exception
when table cannot be described.

listTables() public 

listTables()

Get the list of tables available in the current connection.

Returns

string[]

The list of tables in the connected database/schema.

Property Detail

$_connection protected

Connection object

Type

\Cake\Database\Connection

$_dialect protected

Schema dialect instance.

Type

\Cake\Database\Schema\BaseSchema

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https://api.cakephp.org/4.0/class-Cake.Database.Schema.Collection.html