Get information about the table name and schema from the prefix.

Parameters

Name of table to look prefix up for. Defaults to 'default' because thats: default key for prefix.

$add_prefix: Boolean that indicates whether the given table name should be prefixed.

Return value

A keyed array with information about the schema, table name and prefix.

16 calls to DatabaseSchema::getPrefixInfo()

DatabaseSchema::buildTableNameCondition in includes/database/schema.inc

Build a condition to match a table name against a standard information_schema.

DatabaseSchema::prefixNonTable in includes/database/schema.inc

Create names for indexes, primary keys and constraints.

DatabaseSchema_pgsql::ensureIdentifiersLength in includes/database/pgsql/schema.inc

Make sure to limit identifiers according to PostgreSQL compiled in length.

DatabaseSchema_pgsql::fieldExists in includes/database/pgsql/schema.inc

Check if a column exists in the given table.

DatabaseSchema_pgsql::getComment in includes/database/pgsql/schema.inc

Retrieve a table or column comment.

... See full list

1 method overrides DatabaseSchema::getPrefixInfo()

DatabaseSchema_mysql::getPrefixInfo in includes/database/mysql/schema.inc

Get information about the table and database name from the prefix.

File

includes/database/schema.inc, line 238

Class

DatabaseSchema

Base class for database schema definitions.

Code

protected function getPrefixInfo($table = 'default', $add_prefix = TRUE) {
    $info = array(
        'schema' => $this->defaultSchema,
        'prefix' => $this->connection
            ->tablePrefix($table),
    );
    if ($add_prefix) {
        $table = $info['prefix'] . $table;
    }
    // If the prefix contains a period in it, then that means the prefix also
    // contains a schema reference in which case we will change the schema key
    // to the value before the period in the prefix. Everything after the dot
    // will be prefixed onto the front of the table.
    if (($pos = strpos($table, '.')) !== FALSE) {
        // Grab everything before the period.
        $info['schema'] = substr($table, 0, $pos);
        // Grab everything after the dot.
        $info['table'] = substr($table, ++$pos);
    }
    else {
        $info['table'] = $table;
    }
    return $info;
}

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