| 1: | <?php |
| 2: | |
| 3: | declare(strict_types=1); |
| 4: | |
| 5: | namespace Atk4\Data\Persistence\Sql\Mssql; |
| 6: | |
| 7: | use Atk4\Data\Persistence\Sql\Query as BaseQuery; |
| 8: | |
| 9: | class Query extends BaseQuery |
| 10: | { |
| 11: | use ExpressionTrait; |
| 12: | |
| 13: | protected string $identifierEscapeChar = ']'; |
| 14: | protected string $expressionClass = Expression::class; |
| 15: | |
| 16: | protected string $templateInsert = <<<'EOF' |
| 17: | begin try |
| 18: | insert[option] into [tableNoalias] ([setFields]) values ([setValues]); |
| 19: | end try begin catch |
| 20: | if ERROR_NUMBER() = 544 begin |
| 21: | set IDENTITY_INSERT [tableNoalias] on; |
| 22: | begin try |
| 23: | insert[option] into [tableNoalias] ([setFields]) values ([setValues]); |
| 24: | set IDENTITY_INSERT [tableNoalias] off; |
| 25: | end try begin catch |
| 26: | set IDENTITY_INSERT [tableNoalias] off; |
| 27: | throw; |
| 28: | end catch |
| 29: | end else begin |
| 30: | throw; |
| 31: | end |
| 32: | end catch |
| 33: | EOF; |
| 34: | |
| 35: | #[\Override] |
| 36: | protected function deduplicateRenderOrder(array $sqls): array |
| 37: | { |
| 38: | $res = []; |
| 39: | foreach ($sqls as $sql) { |
| 40: | $sqlWithoutDirection = preg_replace('~\s+(?:asc|desc)\s*$~i', '', $sql); |
| 41: | if (!isset($res[$sqlWithoutDirection])) { |
| 42: | $res[$sqlWithoutDirection] = $sql; |
| 43: | } |
| 44: | } |
| 45: | |
| 46: | return array_values($res); |
| 47: | } |
| 48: | |
| 49: | #[\Override] |
| 50: | protected function _renderLimit(): ?string |
| 51: | { |
| 52: | if (!isset($this->args['limit'])) { |
| 53: | return null; |
| 54: | } |
| 55: | |
| 56: | $cnt = (int) $this->args['limit']['cnt']; |
| 57: | $shift = (int) $this->args['limit']['shift']; |
| 58: | |
| 59: | if ($cnt === 0) { |
| 60: | $cnt = 1; |
| 61: | $shift = \PHP_INT_MAX; |
| 62: | } |
| 63: | |
| 64: | return (!isset($this->args['order']) ? ' order by (select null)' : '') |
| 65: | . ' offset ' . $shift . ' rows' |
| 66: | . ' fetch next ' . $cnt . ' rows only'; |
| 67: | } |
| 68: | |
| 69: | #[\Override] |
| 70: | public function groupConcat($field, string $separator = ',') |
| 71: | { |
| 72: | return $this->expr('string_agg({}, ' . $this->escapeStringLiteral($separator) . ')', [$field]); |
| 73: | } |
| 74: | |
| 75: | #[\Override] |
| 76: | public function exists() |
| 77: | { |
| 78: | return $this->dsql()->mode('select')->field( |
| 79: | $this->dsql()->expr('case when exists[] then 1 else 0 end', [$this]) |
| 80: | ); |
| 81: | } |
| 82: | } |
| 83: | |