Carsten Brandt
11 years ago
1 changed files with 116 additions and 0 deletions
@ -0,0 +1,116 @@
|
||||
<?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\base\InvalidParamException; |
||||
|
||||
/** |
||||
* QueryBuilder is the query builder for CUBRID databases. |
||||
* |
||||
* @author Carsten Brandt <mail@cebe.cc> |
||||
* @since 2.0 |
||||
*/ |
||||
class QueryBuilder extends \yii\db\QueryBuilder |
||||
{ |
||||
/** |
||||
* @var array mapping from abstract column types (keys) to physical column types (values). |
||||
*/ |
||||
public $typeMap = array( |
||||
Schema::TYPE_PK => 'int(11) NOT NULL AUTO_INCREMENT PRIMARY KEY', |
||||
Schema::TYPE_STRING => 'varchar(255)', |
||||
Schema::TYPE_TEXT => 'varchar', |
||||
Schema::TYPE_SMALLINT => 'smallint', |
||||
Schema::TYPE_INTEGER => 'int', |
||||
Schema::TYPE_BIGINT => 'bigint', |
||||
Schema::TYPE_FLOAT => 'float(7)', |
||||
Schema::TYPE_DECIMAL => 'decimal(10,0)', |
||||
Schema::TYPE_DATETIME => 'datetime', |
||||
Schema::TYPE_TIMESTAMP => 'timestamp', |
||||
Schema::TYPE_TIME => 'time', |
||||
Schema::TYPE_DATE => 'date', |
||||
Schema::TYPE_BINARY => 'blob', |
||||
Schema::TYPE_BOOLEAN => 'bit(1)', |
||||
Schema::TYPE_MONEY => 'decimal(19,4)', |
||||
); |
||||
|
||||
/** |
||||
* Creates a SQL statement for resetting the sequence value of a table's primary key. |
||||
* The sequence will be reset such that the primary key of the next new row inserted |
||||
* will have the specified value or 1. |
||||
* @param string $tableName the name of the table whose primary key sequence will be reset |
||||
* @param mixed $value the value for the primary key of the next new row inserted. If this is not set, |
||||
* the next new row's primary key will have a value 1. |
||||
* @return string the SQL statement for resetting sequence |
||||
* @throws InvalidParamException if the table does not exist or there is no sequence associated with the table. |
||||
*/ |
||||
public function resetSequence($tableName, $value = null) |
||||
{ |
||||
$table = $this->db->getTableSchema($tableName); |
||||
if ($table !== null && $table->sequenceName !== null) { |
||||
$tableName = $this->db->quoteTableName($tableName); |
||||
if ($value === null) { |
||||
$key = reset($table->primaryKey); |
||||
$value = (int)$this->db->createCommand("SELECT MAX(`$key`) FROM " . $this->db->schema->quoteTableName($tableName))->queryScalar() + 1; |
||||
} else { |
||||
$value = (int)$value; |
||||
} |
||||
return "ALTER TABLE " . $this->db->schema->quoteTableName($tableName) . " AUTO_INCREMENT=$value;"; |
||||
} elseif ($table === null) { |
||||
throw new InvalidParamException("Table not found: $tableName"); |
||||
} else { |
||||
throw new InvalidParamException("There is not sequence associated with table '$tableName'."); |
||||
} |
||||
} |
||||
|
||||
/** |
||||
* Generates a batch INSERT SQL statement. |
||||
* For example, |
||||
* |
||||
* ~~~ |
||||
* $connection->createCommand()->batchInsert('tbl_user', array('name', 'age'), array( |
||||
* array('Tom', 30), |
||||
* array('Jane', 20), |
||||
* array('Linda', 25), |
||||
* ))->execute(); |
||||
* ~~~ |
||||
* |
||||
* Note that the values in each row must match the corresponding column names. |
||||
* |
||||
* @param string $table the table that new rows will be inserted into. |
||||
* @param array $columns the column names |
||||
* @param array $rows the rows to be batch inserted into the table |
||||
* @return string the batch INSERT SQL statement |
||||
*/ |
||||
public function batchInsert($table, $columns, $rows) |
||||
{ |
||||
if (($tableSchema = $this->db->getTableSchema($table)) !== null) { |
||||
$columnSchemas = $tableSchema->columns; |
||||
} else { |
||||
$columnSchemas = array(); |
||||
} |
||||
|
||||
foreach ($columns as $i => $name) { |
||||
$columns[$i] = $this->db->quoteColumnName($name); |
||||
} |
||||
|
||||
$values = array(); |
||||
foreach ($rows as $row) { |
||||
$vs = array(); |
||||
foreach ($row as $i => $value) { |
||||
if (!is_array($value) && isset($columnSchemas[$columns[$i]])) { |
||||
$value = $columnSchemas[$columns[$i]]->typecast($value); |
||||
} |
||||
$vs[] = is_string($value) ? $this->db->quoteValue($value) : $value; |
||||
} |
||||
$values[] = '(' . implode(', ', $vs) . ')'; |
||||
} |
||||
|
||||
return 'INSERT INTO ' . $this->db->quoteTableName($table) |
||||
. ' (' . implode(', ', $columns) . ') VALUES ' . implode(', ', $values); |
||||
} |
||||
} |
Loading…
Reference in new issue