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<?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 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);
}
}