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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\Drivers\Pdo\MySql\Builders\Traits; |
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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\Drivers\Pdo\MySql\MySqlQueryBuilderState; |
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trait SubQueryTrait |
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{ |
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/** |
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* Build a structured query as sub-query. |
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* |
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* All structured queries except Raw query are wrapped in (). |
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* |
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* @param StructuredQuery $item Sub query to be built |
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* @param MySqlQueryBuilderState $state Query builder state. |
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* @return mixed|string |
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*/ |
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protected function buildSubQuery(StructuredQuery $item, MySqlQueryBuilderState $state) |
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{ |
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$result = $this->buildQuery($item, $state); |
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return $item instanceof GroupedSubQuery ? "({$result})" : $result; |
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} |
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/** |
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* Builds a structured query using parent builder from state. |
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* |
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* @param StructuredQuery $item Query to be built |
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* @param MySqlQueryBuilderState $state State to be used |
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* @return string |
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*/ |
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protected function buildQuery(StructuredQuery $item, MySqlQueryBuilderState $state) |
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{ |
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return $state->getParentBuilder()->build($item)->getQuery(); |
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} |
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} |
ArekX /
PQL
