function DatabaseSchema_pgsql::createTableSql

Generate SQL to create a new table from a Drupal schema definition.

Parameters

$name: The name of the table to create.

$table: A Schema API table definition array.

Return value

An array of SQL statements to create the table.

File

includes/database/pgsql/schema.inc, line 221

Class

DatabaseSchema_pgsql

Code

protected function createTableSql($name, $table) {
    $sql_fields = array();
    foreach ($table['fields'] as $field_name => $field) {
        $sql_fields[] = $this->createFieldSql($field_name, $this->processField($field));
    }
    $sql_keys = array();
    if (isset($table['primary key']) && is_array($table['primary key'])) {
        $sql_keys[] = 'CONSTRAINT ' . $this->ensureIdentifiersLength($name, '', 'pkey') . ' PRIMARY KEY (' . implode(', ', $table['primary key']) . ')';
    }
    if (isset($table['unique keys']) && is_array($table['unique keys'])) {
        foreach ($table['unique keys'] as $key_name => $key) {
            $sql_keys[] = 'CONSTRAINT ' . $this->ensureIdentifiersLength($name, $key_name, 'key') . ' UNIQUE (' . implode(', ', $key) . ')';
        }
    }
    $sql = "CREATE TABLE {" . $name . "} (\n\t";
    $sql .= implode(",\n\t", $sql_fields);
    if (count($sql_keys) > 0) {
        $sql .= ",\n\t";
    }
    $sql .= implode(",\n\t", $sql_keys);
    $sql .= "\n)";
    $statements[] = $sql;
    if (isset($table['indexes']) && is_array($table['indexes'])) {
        foreach ($table['indexes'] as $key_name => $key) {
            $statements[] = $this->_createIndexSql($name, $key_name, $key);
        }
    }
    // Add table comment.
    if (!empty($table['description'])) {
        $statements[] = 'COMMENT ON TABLE {' . $name . '} IS ' . $this->prepareComment($table['description']);
    }
    // Add column comments.
    foreach ($table['fields'] as $field_name => $field) {
        if (!empty($field['description'])) {
            $statements[] = 'COMMENT ON COLUMN {' . $name . '}.' . $field_name . ' IS ' . $this->prepareComment($field['description']);
        }
    }
    return $statements;
}