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82 lines
2.4 KiB
82 lines
2.4 KiB
<?php |
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/** |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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namespace yii\db\mssql; |
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use yii\base\InvalidParamException; |
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/** |
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* QueryBuilder is the query builder for MS SQL Server databases (version 2008 and above). |
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* |
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* @author Timur Ruziev <resurtm@gmail.com> |
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* @since 2.0 |
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*/ |
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class QueryBuilder extends \yii\db\QueryBuilder |
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{ |
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/** |
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* @var array mapping from abstract column types (keys) to physical column types (values). |
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*/ |
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public $typeMap = [ |
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Schema::TYPE_PK => 'int IDENTITY PRIMARY KEY', |
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Schema::TYPE_BIGPK => 'bigint IDENTITY PRIMARY KEY', |
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Schema::TYPE_STRING => 'varchar(255)', |
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Schema::TYPE_TEXT => 'text', |
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Schema::TYPE_SMALLINT => 'smallint', |
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Schema::TYPE_INTEGER => 'int', |
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Schema::TYPE_BIGINT => 'bigint', |
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Schema::TYPE_FLOAT => 'float', |
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Schema::TYPE_DECIMAL => 'decimal', |
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Schema::TYPE_DATETIME => 'datetime', |
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Schema::TYPE_TIMESTAMP => 'timestamp', |
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Schema::TYPE_TIME => 'time', |
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Schema::TYPE_DATE => 'date', |
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Schema::TYPE_BINARY => 'binary', |
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Schema::TYPE_BOOLEAN => 'bit', |
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Schema::TYPE_MONEY => 'decimal(19,4)', |
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]; |
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// public function update($table, $columns, $condition, &$params) |
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// { |
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// return ''; |
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// } |
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// public function delete($table, $condition, &$params) |
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// { |
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// return ''; |
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// } |
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// public function buildLimit($limit, $offset) |
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// { |
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// return ''; |
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// } |
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// public function resetSequence($table, $value = null) |
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// { |
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// return ''; |
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// } |
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/** |
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* Builds a SQL statement for enabling or disabling integrity check. |
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* @param boolean $check whether to turn on or off the integrity check. |
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* @param string $schema the schema of the tables. Defaults to empty string, meaning the current or default schema. |
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* @param string $table the table name. Defaults to empty string, meaning that no table will be changed. |
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* @return string the SQL statement for checking integrity |
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* @throws InvalidParamException if the table does not exist or there is no sequence associated with the table. |
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*/ |
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public function checkIntegrity($check = true, $schema = '', $table = '') |
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{ |
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if ($schema !== '') { |
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$table = "{$schema}.{$table}"; |
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} |
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$table = $this->db->quoteTableName($table); |
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if ($this->db->getTableSchema($table) === null) { |
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throw new InvalidParamException("Table not found: $table"); |
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} |
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$enable = $check ? 'CHECK' : 'NOCHECK'; |
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return "ALTER TABLE {$table} {$enable} CONSTRAINT ALL"; |
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} |
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}
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