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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\mssql;
- use yii\base\InvalidParamException;
- /**
- * QueryBuilder is the query builder for MS SQL Server databases (version 2008 and above).
- *
- * @author Timur Ruziev <[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 $typeMap = [
- Schema::TYPE_PK => 'int IDENTITY PRIMARY KEY',
- Schema::TYPE_BIGPK => 'bigint IDENTITY PRIMARY KEY',
- Schema::TYPE_STRING => 'varchar(255)',
- Schema::TYPE_TEXT => 'text',
- Schema::TYPE_SMALLINT => 'smallint',
- Schema::TYPE_INTEGER => 'int',
- Schema::TYPE_BIGINT => 'bigint',
- Schema::TYPE_FLOAT => 'float',
- Schema::TYPE_DECIMAL => 'decimal',
- Schema::TYPE_DATETIME => 'datetime',
- Schema::TYPE_TIMESTAMP => 'timestamp',
- Schema::TYPE_TIME => 'time',
- Schema::TYPE_DATE => 'date',
- Schema::TYPE_BINARY => 'binary',
- Schema::TYPE_BOOLEAN => 'bit',
- Schema::TYPE_MONEY => 'decimal(19,4)',
- ];
- // public function update($table, $columns, $condition, &$params)
- // {
- // return '';
- // }
- // public function delete($table, $condition, &$params)
- // {
- // return '';
- // }
- // public function buildLimit($limit, $offset)
- // {
- // return '';
- // }
- // public function resetSequence($table, $value = null)
- // {
- // return '';
- // }
- /**
- * Builds a SQL statement for renaming a DB table.
- * @param string $table the table to be renamed. The name will be properly quoted by the method.
- * @param string $newName the new table name. The name will be properly quoted by the method.
- * @return string the SQL statement for renaming a DB table.
- */
- public function renameTable($table, $newName)
- {
- return "sp_rename '$table', '$newName'";
- }
- /**
- * Builds a SQL statement for renaming a column.
- * @param string $table the table whose column is to be renamed. The name will be properly quoted by the method.
- * @param string $name the old name of the column. The name will be properly quoted by the method.
- * @param string $newName the new name of the column. The name will be properly quoted by the method.
- * @return string the SQL statement for renaming a DB column.
- */
- public function renameColumn($table, $name, $newName)
- {
- return "sp_rename '$table.$name', '$newName', 'COLUMN'";
- }
- /**
- * Builds a SQL statement for changing the definition of a column.
- * @param string $table the table whose column is to be changed. The table name will be properly quoted by the method.
- * @param string $column the name of the column to be changed. The name will be properly quoted by the method.
- * @param string $type the new column type. The {@link getColumnType} method will be invoked to convert abstract column type (if any)
- * into the physical one. Anything that is not recognized as abstract type will be kept in the generated SQL.
- * For example, 'string' will be turned into 'varchar(255)', while 'string not null' will become 'varchar(255) not null'.
- * @return string the SQL statement for changing the definition of a column.
- */
- public function alterColumn($table, $column, $type)
- {
- $type = $this->getColumnType($type);
- $sql = 'ALTER TABLE ' . $this->db->quoteTableName($table) . ' ALTER COLUMN '
- . $this->db->quoteColumnName($column) . ' '
- . $this->getColumnType($type);
- return $sql;
- }
- /**
- * Builds a SQL statement for enabling or disabling integrity check.
- * @param boolean $check whether to turn on or off the integrity check.
- * @param string $schema the schema of the tables. Defaults to empty string, meaning the current or default schema.
- * @param string $table the table name. Defaults to empty string, meaning that no table will be changed.
- * @return string the SQL statement for checking integrity
- * @throws InvalidParamException if the table does not exist or there is no sequence associated with the table.
- */
- public function checkIntegrity($check = true, $schema = '', $table = '')
- {
- if ($schema !== '') {
- $table = "{$schema}.{$table}";
- }
- $table = $this->db->quoteTableName($table);
- if ($this->db->getTableSchema($table) === null) {
- throw new InvalidParamException("Table not found: $table");
- }
- $enable = $check ? 'CHECK' : 'NOCHECK';
- return "ALTER TABLE {$table} {$enable} CONSTRAINT ALL";
- }
- }
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