|
|
|
<?php
|
|
|
|
/**
|
|
|
|
* @link http://www.yiiframework.com/
|
|
|
|
* @copyright Copyright (c) 2008 Yii Software LLC
|
|
|
|
* @license http://www.yiiframework.com/license/
|
|
|
|
*/
|
|
|
|
|
|
|
|
namespace yii\db\cubrid;
|
|
|
|
|
|
|
|
use yii\db\Expression;
|
|
|
|
use yii\db\TableSchema;
|
|
|
|
use yii\db\ColumnSchema;
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Schema is the class for retrieving metadata from a CUBRID database (version 9.1.x and higher).
|
|
|
|
*
|
|
|
|
* @author Carsten Brandt <mail@cebe.cc>
|
|
|
|
* @since 2.0
|
|
|
|
*/
|
|
|
|
class Schema extends \yii\db\Schema
|
|
|
|
{
|
|
|
|
/**
|
|
|
|
* @var array mapping from physical column types (keys) to abstract column types (values)
|
|
|
|
* Please refer to [CUBRID manual](http://www.cubrid.org/manual/91/en/sql/datatype.html) for
|
|
|
|
* details on data types.
|
|
|
|
*/
|
|
|
|
public $typeMap = array(
|
|
|
|
// Numeric data types
|
|
|
|
'short' => self::TYPE_SMALLINT,
|
|
|
|
'smallint' => self::TYPE_SMALLINT,
|
|
|
|
'int' => self::TYPE_INTEGER,
|
|
|
|
'integer' => self::TYPE_INTEGER,
|
|
|
|
'bigint' => self::TYPE_BIGINT,
|
|
|
|
'numeric' => self::TYPE_DECIMAL,
|
|
|
|
'decimal' => self::TYPE_DECIMAL,
|
|
|
|
'float' => self::TYPE_FLOAT,
|
|
|
|
'real' => self::TYPE_FLOAT,
|
|
|
|
'double' => self::TYPE_FLOAT,
|
|
|
|
'double precision' => self::TYPE_FLOAT,
|
|
|
|
'monetary' => self::TYPE_MONEY,
|
|
|
|
// Date/Time data types
|
|
|
|
'date' => self::TYPE_DATE,
|
|
|
|
'time' => self::TYPE_TIME,
|
|
|
|
'timestamp' => self::TYPE_TIMESTAMP,
|
|
|
|
'datetime' => self::TYPE_DATETIME,
|
|
|
|
// String data types
|
|
|
|
'char' => self::TYPE_STRING,
|
|
|
|
'varchar' => self::TYPE_STRING,
|
|
|
|
'char varying' => self::TYPE_STRING,
|
|
|
|
'nchar' => self::TYPE_STRING,
|
|
|
|
'nchar varying' => self::TYPE_STRING,
|
|
|
|
'string' => self::TYPE_STRING,
|
|
|
|
// BLOB/CLOB data types
|
|
|
|
'blob' => self::TYPE_BINARY,
|
|
|
|
'clob' => self::TYPE_BINARY,
|
|
|
|
// Bit string data types
|
|
|
|
'bit' => self::TYPE_STRING,
|
|
|
|
'bit varying' => self::TYPE_STRING,
|
|
|
|
// Collection data types (considered strings for now)
|
|
|
|
'set' => self::TYPE_STRING,
|
|
|
|
'multiset' => self::TYPE_STRING,
|
|
|
|
'list' => self::TYPE_STRING,
|
|
|
|
'sequence' => self::TYPE_STRING,
|
|
|
|
'enum' => self::TYPE_STRING,
|
|
|
|
);
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Quotes a table name for use in a query.
|
|
|
|
* A simple table name has no schema prefix.
|
|
|
|
* @param string $name table name
|
|
|
|
* @return string the properly quoted table name
|
|
|
|
*/
|
|
|
|
public function quoteSimpleTableName($name)
|
|
|
|
{
|
|
|
|
return strpos($name, '"') !== false ? $name : '"' . $name . '"';
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Quotes a column name for use in a query.
|
|
|
|
* A simple column name has no prefix.
|
|
|
|
* @param string $name column name
|
|
|
|
* @return string the properly quoted column name
|
|
|
|
*/
|
|
|
|
public function quoteSimpleColumnName($name)
|
|
|
|
{
|
|
|
|
return strpos($name, '"') !== false || $name === '*' ? $name : '"' . $name . '"';
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Quotes a string value for use in a query.
|
|
|
|
* Note that if the parameter is not a string, it will be returned without change.
|
|
|
|
* @param string $str string to be quoted
|
|
|
|
* @return string the properly quoted string
|
|
|
|
* @see http://www.php.net/manual/en/function.PDO-quote.php
|
|
|
|
*/
|
|
|
|
public function quoteValue($str)
|
|
|
|
{
|
|
|
|
if (!is_string($str)) {
|
|
|
|
return $str;
|
|
|
|
}
|
|
|
|
|
|
|
|
$this->db->open();
|
|
|
|
// workaround for broken PDO::quote() implementation in CUBRID 9.1.0 http://jira.cubrid.org/browse/APIS-658
|
|
|
|
if (version_compare($this->db->pdo->getAttribute(\PDO::ATTR_CLIENT_VERSION), '9.1.0', '<=')) {
|
|
|
|
return "'" . addcslashes(str_replace("'", "''", $str), "\000\n\r\\\032") . "'";
|
|
|
|
} else {
|
|
|
|
return $this->db->pdo->quote($str);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Creates a query builder for the CUBRID database.
|
|
|
|
* @return QueryBuilder query builder instance
|
|
|
|
*/
|
|
|
|
public function createQueryBuilder()
|
|
|
|
{
|
|
|
|
return new QueryBuilder($this->db);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Loads the metadata for the specified table.
|
|
|
|
* @param string $name table name
|
|
|
|
* @return TableSchema driver dependent table metadata. Null if the table does not exist.
|
|
|
|
*/
|
|
|
|
protected function loadTableSchema($name)
|
|
|
|
{
|
|
|
|
$this->db->open();
|
|
|
|
$tableInfo = $this->db->pdo->cubrid_schema(\PDO::CUBRID_SCH_TABLE, $name);
|
|
|
|
|
|
|
|
if (isset($tableInfo[0]['NAME'])) {
|
|
|
|
$table = new TableSchema();
|
|
|
|
$table->name = $tableInfo[0]['NAME'];
|
|
|
|
|
|
|
|
$sql = 'SHOW FULL COLUMNS FROM ' . $this->quoteSimpleTableName($table->name);
|
|
|
|
$columns = $this->db->createCommand($sql)->queryAll();
|
|
|
|
|
|
|
|
foreach ($columns as $info) {
|
|
|
|
$column = $this->loadColumnSchema($info);
|
|
|
|
$table->columns[$column->name] = $column;
|
|
|
|
if ($column->isPrimaryKey) {
|
|
|
|
$table->primaryKey[] = $column->name;
|
|
|
|
if ($column->autoIncrement) {
|
|
|
|
$table->sequenceName = '';
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
$foreignKeys = $this->db->pdo->cubrid_schema(\PDO::CUBRID_SCH_IMPORTED_KEYS, $table->name);
|
|
|
|
foreach($foreignKeys as $key) {
|
|
|
|
if (isset($table->foreignKeys[$key['FK_NAME']])) {
|
|
|
|
$table->foreignKeys[$key['FK_NAME']][$key['FKCOLUMN_NAME']] = $key['PKCOLUMN_NAME'];
|
|
|
|
} else {
|
|
|
|
$table->foreignKeys[$key['FK_NAME']] = array(
|
|
|
|
$key['PKTABLE_NAME'],
|
|
|
|
$key['FKCOLUMN_NAME'] => $key['PKCOLUMN_NAME']
|
|
|
|
);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
$table->foreignKeys = array_values($table->foreignKeys);
|
|
|
|
|
|
|
|
return $table;
|
|
|
|
} else {
|
|
|
|
return null;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Loads the column information into a [[ColumnSchema]] object.
|
|
|
|
* @param array $info column information
|
|
|
|
* @return ColumnSchema the column schema object
|
|
|
|
*/
|
|
|
|
protected function loadColumnSchema($info)
|
|
|
|
{
|
|
|
|
$column = new ColumnSchema();
|
|
|
|
|
|
|
|
$column->name = $info['Field'];
|
|
|
|
$column->allowNull = $info['Null'] === 'YES';
|
|
|
|
$column->isPrimaryKey = strpos($info['Key'], 'PRI') !== false;
|
|
|
|
$column->autoIncrement = stripos($info['Extra'], 'auto_increment') !== false;
|
|
|
|
|
|
|
|
$column->dbType = strtolower($info['Type']);
|
|
|
|
$column->unsigned = strpos($column->dbType, 'unsigned') !== false;
|
|
|
|
|
|
|
|
$column->type = self::TYPE_STRING;
|
|
|
|
if (preg_match('/^([\w ]+)(?:\(([^\)]+)\))?/', $column->dbType, $matches)) {
|
|
|
|
$type = $matches[1];
|
|
|
|
if (isset($this->typeMap[$type])) {
|
|
|
|
$column->type = $this->typeMap[$type];
|
|
|
|
}
|
|
|
|
if (!empty($matches[2])) {
|
|
|
|
if ($type === 'enum') {
|
|
|
|
$values = explode(',', $matches[2]);
|
|
|
|
foreach ($values as $i => $value) {
|
|
|
|
$values[$i] = trim($value, "'");
|
|
|
|
}
|
|
|
|
$column->enumValues = $values;
|
|
|
|
} else {
|
|
|
|
$values = explode(',', $matches[2]);
|
|
|
|
$column->size = $column->precision = (int)$values[0];
|
|
|
|
if (isset($values[1])) {
|
|
|
|
$column->scale = (int)$values[1];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
$column->phpType = $this->getColumnPhpType($column);
|
|
|
|
|
|
|
|
if ($column->type === 'timestamp' && $info['Default'] === 'CURRENT_TIMESTAMP' ||
|
|
|
|
$column->type === 'datetime' && $info['Default'] === 'SYS_DATETIME' ||
|
|
|
|
$column->type === 'date' && $info['Default'] === 'SYS_DATE' ||
|
|
|
|
$column->type === 'time' && $info['Default'] === 'SYS_TIME'
|
|
|
|
) {
|
|
|
|
$column->defaultValue = new Expression($info['Default']);
|
|
|
|
} else {
|
|
|
|
$column->defaultValue = $column->typecast($info['Default']);
|
|
|
|
}
|
|
|
|
|
|
|
|
return $column;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Returns all table names in the database.
|
|
|
|
* @param string $schema the schema of the tables. Defaults to empty string, meaning the current or default schema.
|
|
|
|
* @return array all table names in the database. The names have NO schema name prefix.
|
|
|
|
*/
|
|
|
|
protected function findTableNames($schema = '')
|
|
|
|
{
|
|
|
|
$this->db->open();
|
|
|
|
$tables = $this->db->pdo->cubrid_schema(\PDO::CUBRID_SCH_TABLE);
|
|
|
|
$tableNames = array();
|
|
|
|
foreach($tables as $table) {
|
|
|
|
// do not list system tables
|
|
|
|
if ($table['TYPE'] != 0) {
|
|
|
|
$tableNames[] = $table['NAME'];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return $tableNames;
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
|
|
* Determines the PDO type for the given PHP data value.
|
|
|
|
* @param mixed $data the data whose PDO type is to be determined
|
|
|
|
* @return integer the PDO type
|
|
|
|
* @see http://www.php.net/manual/en/pdo.constants.php
|
|
|
|
*/
|
|
|
|
public function getPdoType($data)
|
|
|
|
{
|
|
|
|
static $typeMap = array(
|
|
|
|
// php type => PDO type
|
|
|
|
'boolean' => \PDO::PARAM_INT, // PARAM_BOOL is not supported by CUBRID PDO
|
|
|
|
'integer' => \PDO::PARAM_INT,
|
|
|
|
'string' => \PDO::PARAM_STR,
|
|
|
|
'resource' => \PDO::PARAM_LOB,
|
|
|
|
'NULL' => \PDO::PARAM_NULL,
|
|
|
|
);
|
|
|
|
$type = gettype($data);
|
|
|
|
return isset($typeMap[$type]) ? $typeMap[$type] : \PDO::PARAM_STR;
|
|
|
|
}
|
|
|
|
}
|