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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Db\Mssql; |
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use Yiisoft\Db\Exception\Exception; |
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use Yiisoft\Db\Exception\InvalidArgumentException; |
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use Yiisoft\Db\Expression\Expression; |
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use Yiisoft\Db\Expression\ExpressionInterface; |
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use Yiisoft\Db\Mssql\Builder\ExpressionBuilder; |
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use Yiisoft\Db\Mssql\Builder\InConditionBuilder; |
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use Yiisoft\Db\Mssql\Builder\LikeConditionBuilder; |
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use Yiisoft\Db\Query\Query; |
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use Yiisoft\Db\QueryBuilder\AbstractDQLQueryBuilder; |
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use Yiisoft\Db\QueryBuilder\Condition\InCondition; |
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use Yiisoft\Db\QueryBuilder\Condition\LikeCondition; |
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use function array_merge; |
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use function preg_match; |
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/** |
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* Implements a DQL (Data Query Language) SQL statements for MSSQL Server. |
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*/ |
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final class DQLQueryBuilder extends AbstractDQLQueryBuilder |
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{ |
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public function buildOrderByAndLimit( |
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string $sql, |
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array $orderBy, |
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ExpressionInterface|int|null $limit, |
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ExpressionInterface|int|null $offset, |
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array &$params = [] |
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): string { |
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if (!$this->hasOffset($offset) && !$this->hasLimit($limit)) { |
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$orderByString = $this->buildOrderBy($orderBy, $params); |
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return $orderByString === '' ? $sql : $sql . $this->separator . $orderByString; |
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} |
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return $this->newBuildOrderByAndLimit($sql, $orderBy, $limit, $offset, $params); |
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} |
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public function selectExists(string $rawSql): string |
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{ |
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return 'SELECT CASE WHEN EXISTS(' . $rawSql . ') THEN 1 ELSE 0 END'; |
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} |
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protected function defaultExpressionBuilders(): array |
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{ |
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return array_merge(parent::defaultExpressionBuilders(), [ |
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InCondition::class => InConditionBuilder::class, |
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LikeCondition::class => LikeConditionBuilder::class, |
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Expression::class => ExpressionBuilder::class, |
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]); |
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} |
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/** |
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* Builds the `ORDER BY`/`LIMIT`/`OFFSET` clauses for SQL SERVER 2012 or newer. |
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* |
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* @param string $sql The existing SQL (without `ORDER BY`/`LIMIT`/`OFFSET`). |
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* @param array $orderBy The order by columns. See {@see Query::orderBy} for more details on how to specify |
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* this parameter. |
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* @param ExpressionInterface|int|null $limit The limit number. See {@see Query::limit} for more details. |
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* @param ExpressionInterface|int|null $offset The offset number. See {@see Query::offset} for more details. |
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* @param array $params The binding parameters to populate. |
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* |
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* @throws Exception |
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* @throws InvalidArgumentException |
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* |
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* @return string The SQL completed with `ORDER BY`/`LIMIT`/`OFFSET` (if any). |
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*/ |
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protected function newBuildOrderByAndLimit( |
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string $sql, |
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array $orderBy, |
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ExpressionInterface|int|null $limit, |
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ExpressionInterface|int|null $offset, |
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array &$params = [] |
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): string { |
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$orderByString = $this->buildOrderBy($orderBy, $params); |
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if ($orderByString === '') { |
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/** `ORDER BY` clause is required when `FETCH` and `OFFSET` are in the SQL */ |
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$orderByString = 'ORDER BY (SELECT NULL)'; |
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} |
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$sql .= $this->separator . $orderByString; |
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/** |
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* @link https://technet.microsoft.com/en-us/library/gg699618.aspx |
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*/ |
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$offsetString = $this->hasOffset($offset) ? |
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($offset instanceof ExpressionInterface ? $this->buildExpression($offset) : (string)$offset) : '0'; |
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$sql .= $this->separator . 'OFFSET ' . $offsetString . ' ROWS'; |
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if ($this->hasLimit($limit)) { |
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$sql .= $this->separator . 'FETCH NEXT ' . |
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($limit instanceof ExpressionInterface ? $this->buildExpression($limit) : (string)$limit) . ' ROWS ONLY'; |
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} |
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return $sql; |
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} |
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/** |
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* Extracts table alias if there is one or returns `false`. |
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* |
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* @psalm-return string[]|bool |
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*/ |
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protected function extractAlias(string $table): array|bool |
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{ |
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if (preg_match('/^\[.*]$/', $table)) { |
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return false; |
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} |
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return parent::extractAlias($table); |
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} |
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public function buildWithQueries(array $withs, array &$params): string |
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{ |
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/** @psalm-var array{query:string|Query, alias:ExpressionInterface|string, recursive:bool}[] $withs */ |
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foreach ($withs as &$with) { |
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$with['recursive'] = false; |
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} |
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return parent::buildWithQueries($withs, $params); |
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} |
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} |
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yiisoft /
db-mssql
