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<?php |
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namespace LaravelFreelancerNL\Aranguent\Query\Concerns; |
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use LaravelFreelancerNL\Aranguent\Query\Builder; |
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use LaravelFreelancerNL\FluentAQL\QueryBuilder; |
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trait CompilesJoins |
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{ |
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/** |
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* Compile the "join" portions of the query. |
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* |
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* @param Builder $builder |
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* @param array $joins |
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* |
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* @return string |
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*/ |
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protected function compileJoins(Builder $builder, $joins) |
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{ |
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foreach ($joins as $join) { |
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$compileMethod = 'compile' . ucfirst($join->type) . 'Join'; |
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$builder = $this->$compileMethod($builder, $join); |
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} |
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return $builder; |
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} |
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protected function compileInnerJoin(Builder $builder, $join) |
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{ |
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$table = $join->table; |
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$alias = $this->generateTableAlias($table); |
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$this->registerTableAlias($table, $alias); |
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$builder->aqb = $builder->aqb->for($alias, $table) |
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->filter($this->compileWheresToArray($join)); |
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return $builder; |
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} |
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protected function compileLeftJoin(Builder $builder, $join) |
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{ |
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$table = $join->table; |
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$alias = $this->generateTableAlias($table); |
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$this->registerTableAlias($table, $alias); |
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$resultsToJoin = (new QueryBuilder()) |
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->for($alias, $table) |
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->filter($this->compileWheresToArray($join)) |
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->return($alias); |
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$builder->aqb = $builder->aqb->let($table, $resultsToJoin) |
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->for( |
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$alias, |
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$builder->aqb->if( |
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[$builder->aqb->length($table), '>', 0], |
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$table, |
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'[]' |
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) |
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); |
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return $builder; |
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} |
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protected function compileCrossJoin(Builder $builder, $join) |
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{ |
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$table = $join->table; |
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$alias = $this->generateTableAlias($table); |
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$builder->aqb = $builder->aqb->for($alias, $table); |
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return $builder; |
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} |
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} |
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LaravelFreelancerNL /
laravel-arangodb
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