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<?php |
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/** |
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* This file is part of Phuria SQL Builder package. |
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* |
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* Copyright (c) 2016 Beniamin Jonatan Šimko |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Phuria\SQLBuilder\QueryCompiler; |
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use Phuria\SQLBuilder\QueryBuilder\AbstractBuilder; |
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use Phuria\SQLBuilder\QueryBuilder\Component; |
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use Phuria\SQLBuilder\QueryBuilder\SelectBuilder; |
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use Phuria\SQLBuilder\Table\AbstractTable; |
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/** |
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* @author Beniamin Jonatan Šimko <[email protected]> |
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*/ |
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class TableCompiler |
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{ |
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/** |
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* @param AbstractTable $table |
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* |
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* @return string |
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*/ |
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private function compileTableDeclaration(AbstractTable $table) |
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{ |
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$declaration = ''; |
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if ($table->isJoin()) { |
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$declaration .= $table->getJoinType() . ' '; |
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} |
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$declaration .= $table->getTableName(); |
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if ($alias = $table->getAlias()) { |
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$declaration .= ' AS ' . $alias; |
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} |
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if ($joinOn = $table->getJoinOn()) { |
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$declaration .= ' ON ' . $joinOn; |
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} |
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return $declaration; |
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} |
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/** |
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* @param AbstractBuilder $qb |
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* |
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* @return string |
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*/ |
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public function compileRootTables(AbstractBuilder $qb) |
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{ |
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$rootTables = ''; |
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if ($qb instanceof SelectBuilder) { |
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$rootTables .= 'FROM '; |
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} |
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if ($qb instanceof Component\TableComponentInterface && $qb->getRootTables()) { |
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$rootTables .= implode(', ', array_map([$this, 'compileTableDeclaration'], $qb->getRootTables())); |
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} else { |
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return ''; |
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} |
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return $rootTables; |
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} |
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/** |
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* @param AbstractBuilder $qb |
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* |
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* @return string |
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*/ |
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public function compileJoinTables(AbstractBuilder $qb) |
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{ |
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if ($qb instanceof Component\JoinComponentInterface) { |
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return implode(' ', array_map([$this, 'compileTableDeclaration'], $qb->getJoinTables())); |
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} |
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return ''; |
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} |
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} |
phuria /
under-query
