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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 (version 9.1.x and higher).
- *
- * @author Carsten Brandt <[email protected]>
- * @since 2.0
- */
- class QueryBuilder extends \yii\db\QueryBuilder
- {
- /**
- * @var array mapping from abstract column types (keys) to physical column types (values).
- */
- public $typeMap = [
- Schema::TYPE_PK => 'int NOT NULL AUTO_INCREMENT PRIMARY KEY',
- Schema::TYPE_BIGPK => 'bigint 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 => 'smallint',
- 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'.");
- }
- }
- /**
- * @inheritdoc
- */
- public function buildLimit($limit, $offset)
- {
- $sql = '';
- // limit is not optional in CUBRID
- // http://www.cubrid.org/manual/90/en/LIMIT%20Clause
- // "You can specify a very big integer for row_count to display to the last row, starting from a specific row."
- if ($limit !== null && $limit >= 0) {
- $sql = 'LIMIT ' . (int)$limit;
- if ($offset > 0) {
- $sql .= ' OFFSET ' . (int)$offset;
- }
- } elseif ($offset > 0) {
- $sql = 'LIMIT 9223372036854775807 OFFSET ' . (int)$offset; // 2^63-1
- }
- return $sql;
- }
- }
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