db_add_primary_key

Versions
6
db_add_primary_key(&$ret, $table, $fields)
7
db_add_primary_key($table, $fields)

Add a primary key.

Parameters

$ret Array to which query results will be added.

$table The table to be altered.

$fields Fields for the primary key.

Related topics

▾ 7 functions call db_add_primary_key()

system_update_6001 in modules/system/system.install
Add version id column to {term_node} to allow taxonomy module to use revisions.
system_update_6002 in modules/system/system.install
Increase the maximum length of variable names from 48 to 128.
system_update_6019 in modules/system/system.install
Reconcile small differences in the previous, manually created mysql and pgsql schemas so they are the same and can be represented by a single schema structure.
system_update_6022 in modules/system/system.install
Update files tables to associate files to a uid by default instead of a nid. Rename file_revisions to upload since it should only be used by the upload module used by upload to link files to nodes.
system_update_6033 in modules/system/system.install
Change node_comment_statistics to be not autoincrement.
system_update_6043 in modules/system/system.install
Update table indices to make them more rational and useful.
_db_create_keys in includes/database.pgsql.inc

Code

includes/database.pgsql.inc, line 764

<?php
function db_add_primary_key(&$ret, $table, $fields) {
  $ret[] = update_sql('ALTER TABLE {'. $table .'} ADD PRIMARY KEY ('.
    implode(',', $fields) .')');
}
?>
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