book_schema()
Implements hook_schema().
File
- core/modules/book/book.install, line 19
- Install, update and uninstall functions for the book module.
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 | function book_schema() { $schema['book'] = array( 'description' => 'Stores book outline information. Uniquely defines the location of each node in the book outline', 'fields' => array( 'nid' => array( 'type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0, 'description' => "The book page's {node}.nid.", ), 'bid' => array( 'type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0, 'description' => "The book ID is the {book}.nid of the top-level page.", ), 'pid' => array( 'description' => 'The parent ID (pid) is the id of the node above in the hierarchy, or zero if the node is at the top level in its outline.', 'type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0, ), 'has_children' => array( 'description' => 'Flag indicating whether any nodes have this node as a parent (1 = children exist, 0 = no children).', 'type' => 'int', 'not null' => TRUE, 'default' => 0, 'size' => 'small', ), 'weight' => array( 'description' => 'Weight among book entries in the same book at the same depth.', 'type' => 'int', 'not null' => TRUE, 'default' => 0, ), 'depth' => array( 'description' => 'The depth relative to the top level. A link with pid == 0 will have depth == 1.', 'type' => 'int', 'not null' => TRUE, 'default' => 0, 'size' => 'small', ), 'p1' => array( 'description' => 'The first nid in the materialized path. If N = depth, then pN must equal the nid. If depth > 1 then p(N-1) must equal the pid. All pX where X > depth must equal zero. The columns p1 .. p9 are also called the parents.', 'type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0, ), 'p2' => array( 'description' => 'The second nid in the materialized path. See p1.', 'type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0, ), 'p3' => array( 'description' => 'The third nid in the materialized path. See p1.', 'type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0, ), 'p4' => array( 'description' => 'The fourth nid in the materialized path. See p1.', 'type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0, ), 'p5' => array( 'description' => 'The fifth nid in the materialized path. See p1.', 'type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0, ), 'p6' => array( 'description' => 'The sixth nid in the materialized path. See p1.', 'type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0, ), 'p7' => array( 'description' => 'The seventh nid in the materialized path. See p1.', 'type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0, ), 'p8' => array( 'description' => 'The eighth nid in the materialized path. See p1.', 'type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0, ), 'p9' => array( 'description' => 'The ninth nid in the materialized path. See p1.', 'type' => 'int', 'unsigned' => TRUE, 'not null' => TRUE, 'default' => 0, ), ), 'primary key' => array('nid'), 'indexes' => array( 'book_parents' => array('bid', 'p1', 'p2', 'p3', 'p4', 'p5', 'p6', 'p7', 'p8', 'p9'), ), ); return $schema;} |
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