1: <?php
 2: 
 3: /**
 4:  * This file is part of the Nette Framework (https://nette.org)
 5:  * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
 6:  */
 7: 
 8: namespace Nette\Database;
 9: 
10: use Nette;
11: 
12: 
13: /**
14:  * Information about tables and columns structure.
15:  */
16: interface IReflection
17: {
18:     const
19:         FIELD_TEXT = 'string',
20:         FIELD_BINARY = 'bin',
21:         FIELD_BOOL = 'bool',
22:         FIELD_INTEGER = 'int',
23:         FIELD_FLOAT = 'float',
24:         FIELD_DATE = 'date',
25:         FIELD_TIME = 'time',
26:         FIELD_DATETIME = 'datetime',
27:         FIELD_UNIX_TIMESTAMP = 'timestamp',
28:         FIELD_TIME_INTERVAL = 'timeint';
29: 
30:     /**
31:      * Gets primary key of $table.
32:      * @param  string
33:      * @return string|array
34:      */
35:     function getPrimary($table);
36: 
37:     /**
38:      * Gets referenced table & referenced column.
39:      * Example:
40:      *     author, book returns array(book, author_id)
41:      *
42:      * @param  string  source table
43:      * @param  string  referencing key
44:      * @return array   array(referenced table, referenced column)
45:      * @throws Reflection\MissingReferenceException
46:      * @throws Reflection\AmbiguousReferenceKeyException
47:      */
48:     function getHasManyReference($table, $key);
49: 
50:     /**
51:      * Gets referenced table & referencing column.
52:      * Example
53:      *     book, author      returns array(author, author_id)
54:      *     book, translator  returns array(author, translator_id)
55:      *
56:      * @param  string  source table
57:      * @param  string  referencing key
58:      * @return array   array(referenced table, referencing column)
59:      * @throws Reflection\MissingReferenceException
60:      */
61:     function getBelongsToReference($table, $key);
62: 
63: }
64: