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<?php |
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/** |
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* Copyright 2021 Aleksandar Panic |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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namespace ArekX\PQL\Sql\Statement; |
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use ArekX\PQL\Contracts\GroupedSubQuery; |
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use ArekX\PQL\Contracts\StructuredQuery; |
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use ArekX\PQL\Query; |
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/** |
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* Represents a CASE statement. |
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*/ |
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class CaseWhen extends Query implements GroupedSubQuery |
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{ |
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/** |
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* Of value to be set for the CASE |
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* |
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* @param array|StructuredQuery|null $of |
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* @return $this |
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*/ |
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public function of(StructuredQuery|array|null $of): static |
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{ |
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$this->use('of', $of); |
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return $this; |
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} |
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/** |
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* When cases to be set |
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* |
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* @param array|StructuredQuery $when |
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* @return $this |
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*/ |
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public function when(array|StructuredQuery $when): static |
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{ |
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$this->use('when', $when); |
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return $this; |
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} |
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/** |
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* Appends another WHEN case |
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* |
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* @param array|StructuredQuery $when Condition |
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* @param array|StructuredQuery $then Result |
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* @return $this |
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*/ |
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public function addWhen(StructuredQuery|array $when, StructuredQuery|array $then): static |
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{ |
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$this->append('when', [$when, $then]); |
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return $this; |
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} |
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/** |
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* Adds else for default case |
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* |
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* @param array|StructuredQuery $else Else result. |
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* @return $this |
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*/ |
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public function else(StructuredQuery|array $else): static |
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{ |
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$this->use('else', $else); |
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return $this; |
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} |
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} |
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ArekX /
PQL
