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<?php |
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|
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namespace Give\Framework\QueryBuilder\Concerns; |
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|
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use Give\Framework\Database\DB; |
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use Give\Framework\QueryBuilder\Clauses\From; |
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use Give\Framework\QueryBuilder\Clauses\RawSQL; |
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|
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/** |
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* @since 2.19.0 |
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*/ |
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trait FromClause |
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{ |
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/** |
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* @var From[] |
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*/ |
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protected $froms = []; |
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|
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/** |
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* @param string|RawSQL $table |
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* @param string|null $alias |
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* |
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* @return $this |
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*/ |
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public function from($table, $alias = null) |
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{ |
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$this->froms[] = new From($table, $alias); |
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|
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return $this; |
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} |
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|
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/** |
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* @return array|string[] |
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*/ |
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protected function getFromSQL() |
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{ |
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if (empty($this->froms)) { |
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return []; |
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} |
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|
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return [ |
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'FROM ' . implode( |
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', ', |
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array_map(function (From $from) { |
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if ($from->alias) { |
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return DB::prepare( |
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'%1s AS %2s', |
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$from->table, |
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$from->alias |
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); |
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} |
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|
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return DB::prepare('%1s', $from->table); |
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}, $this->froms) |
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) |
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]; |
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} |
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} |
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|
