* @return Schema the (single) Schema object
*/
- static function get()
+ static function get($conn = null)
{
if (empty(self::$_single)) {
- self::$_single = new Schema();
+ self::$_single = new Schema($conn);
}
return self::$_single;
}
$field['not null'] = true;
}
if ($row['COLUMN_DEFAULT'] !== null) {
- $field['default'] = $row['COLUMN_DEFAULT'];
- if ($this->isNumericType($type)) {
- $field['default'] = intval($field['default']);
+ // Hack for timestamp cols
+ if ($type == 'timestamp' && $row['COLUMN_DEFAULT'] == 'CURRENT_TIMESTAMP') {
+ // skip
+ } else {
+ $field['default'] = $row['COLUMN_DEFAULT'];
+ if ($this->isNumericType($type)) {
+ $field['default'] = intval($field['default']);
+ }
}
}
if ($row['COLUMN_KEY'] !== null) {
return $this->fetchQueryData($sql);
}
+ /**
+ * Append an SQL statement with an index definition for a full-text search
+ * index over one or more columns on a table.
+ *
+ * @param array $statements
+ * @param string $table
+ * @param string $name
+ * @param array $def
+ */
+ function appendCreateFulltextIndex(array &$statements, $table, $name, array $def)
+ {
+ $statements[] = "CREATE FULLTEXT INDEX $name ON $table " . $this->buildIndexList($def);
+ }
+
/**
* Close out a 'create table' SQL statement.
*
*/
function endCreateTable($name, array $def)
{
- return ") ENGINE=InnoDB CHARACTER SET utf8 COLLATE utf8_bin";
+ $engine = $this->preferredEngine($def);
+ return ") ENGINE=$engine CHARACTER SET utf8mb4 COLLATE utf8mb4_bin";
+ }
+
+ function preferredEngine($def)
+ {
+ if (!empty($def['fulltext indexes'])) {
+ return 'MyISAM';
+ }
+ return 'InnoDB';
}
/**
return "{$tableName}_{$columnName}_idx";
}
+ /**
+ * MySQL doesn't take 'DROP CONSTRAINT', need to treat primary keys as
+ * if they were indexes here, but can use 'PRIMARY KEY' special name.
+ *
+ * @param array $phrase
+ */
+ function appendAlterDropPrimary(array &$phrase)
+ {
+ $phrase[] = 'DROP PRIMARY KEY';
+ }
/**
* MySQL doesn't take 'DROP CONSTRAINT', need to treat unique keys as
* Throw some table metadata onto the ALTER TABLE if we have a mismatch
* in expected type, collation.
*/
- function appendAlterExtras(array &$phrase, $tableName)
+ function appendAlterExtras(array &$phrase, $tableName, array $def)
{
// Check for table properties: make sure we're using a sane
// engine type and charset/collation.
// @fixme make the default engine configurable?
$oldProps = $this->getTableProperties($tableName, array('ENGINE', 'TABLE_COLLATION'));
- if (strtolower($oldProps['ENGINE']) != 'innodb') {
- $phrase[] = 'ENGINE=InnoDB';
+ $engine = $this->preferredEngine($def);
+ if (strtolower($oldProps['ENGINE']) != strtolower($engine)) {
+ $phrase[] = "ENGINE=$engine";
}
- if (strtolower($oldProps['TABLE_COLLATION']) != 'utf8_bin') {
- $phrase[] = 'DEFAULT CHARSET=utf8';
- $phrase[] = 'COLLATE=utf8_bin';
+ if (strtolower($oldProps['TABLE_COLLATION']) != 'utf8mb4_bin') {
+ $phrase[] = 'CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_bin';
+ $phrase[] = 'DEFAULT CHARACTER SET = utf8mb4';
+ $phrase[] = 'DEFAULT COLLATE = utf8mb4_bin';
}
}
$vals = array_map(array($this, 'quote'), $column['enum']);
return 'enum(' . implode(',', $vals) . ')';
} else if ($this->_isString($column)) {
- return parent::typeAndSize($column) . ' CHARSET utf8';
+ $col = parent::typeAndSize($column);
+ if (!empty($column['charset'])) {
+ $col .= ' CHARSET ' . $column['charset'];
+ }
+ if (!empty($column['collate'])) {
+ $col .= ' COLLATE ' . $column['collate'];
+ }
+ return $col;
} else {
return parent::typeAndSize($column);
}