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<?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 $typeMap = array(
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Schema::TYPE_PK => 'int IDENTITY PRIMARY KEY',
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Schema::TYPE_STRING => 'varchar(255)',
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Schema::TYPE_TEXT => 'text',
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Schema::TYPE_SMALLINT => 'smallint(6)',
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Schema::TYPE_INTEGER => 'int(11)',
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Schema::TYPE_BIGINT => 'bigint(20)',
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Schema::TYPE_FLOAT => 'float',
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Schema::TYPE_DECIMAL => 'decimal(10,0)',
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Schema::TYPE_DATETIME => 'datetime',
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Schema::TYPE_TIMESTAMP => 'timestamp',
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Schema::TYPE_TIME => 'time',
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Schema::TYPE_DATE => 'date',
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Schema::TYPE_BINARY => 'binary',
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Schema::TYPE_BOOLEAN => 'tinyint(1)',
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Schema::TYPE_MONEY => 'decimal(19,4)',
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);
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// public function update($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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