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function drupal_schema_fields_sql in Drupal 6

Same name and namespace in other branches

7 includes/common.inc \drupal_schema_fields_sql()

Retrieve a list of fields from a table schema. The list is suitable for use in a SQL query.

Parameters

$table: The name of the table from which to retrieve fields.

An optional prefix to to all fields.:

Return value

An array of fields.

Related topics

Schema API: A Drupal schema definition is an array structure representing one or more tables and their related keys and indexes. A schema is defined by hook_schema(), which usually lives in a modulename.install file.

1 call to drupal_schema_fields_sql()

node_load in modules/node/node.module: Load a node object from the database.

File

includes/common.inc, line 3502: Common functions that many Drupal modules will need to reference.

Code

function drupal_schema_fields_sql($table, $prefix = NULL) {
  $schema = drupal_get_schema($table);
  $fields = array_keys($schema['fields']);
  if ($prefix) {
    $columns = array();
    foreach ($fields as $field) {
      $columns[] = "{$prefix}.{$field}";
    }
    return $columns;
  }
  else {
    return $fields;
  }
}