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<?php |
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namespace Halalsoft\LaravelDynamicColumn; |
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use Illuminate\Database\Query\Builder; |
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use Illuminate\Database\Query\Grammars\MySqlGrammar; |
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/** |
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* Class DynamicGrammar |
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* |
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*/ |
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class DynamicGrammar extends MySqlGrammar |
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{ |
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/** |
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* Compile a "JSON contains" statement into SQL. |
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* |
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* @param string $column |
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* @param string $value |
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* |
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* @return string |
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*/ |
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public function compileDynamicColumn($column, $value, $operator = '=') |
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{ |
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[$field, $key] = $this->wrapDynamicField($column); |
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return 'COLUMN_GET('.$field.', "'.$key.'" as char) '.$operator.' '.$value.''; |
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} |
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public function compileDynamicExists($column, $value) |
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{ |
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[$field, $key] = $this->wrapDynamicField($column); |
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if ($key) { |
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return 'COLUMN_EXISTS('.$field.', "'.$key.'")'; |
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} else { |
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return 'COLUMN_EXISTS('.$column.', '.$this->parameter($value).')'; |
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} |
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} |
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/** |
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* Compile a "where JSON contains" clause. |
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* |
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* @param Builder $query |
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* @param array $where |
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* |
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* @return string |
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*/ |
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protected function whereDynamicColumnExists(Builder $query, $where) |
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{ |
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return $this->compileDynamicExists( |
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$where['column'], |
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$this->parameter($where['value']) |
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); |
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} |
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/** |
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* Split the given JSON selector into the field and the optional path and wrap them separately. |
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* |
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* @param string $column |
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* |
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* @return array |
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*/ |
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protected function wrapDynamicField($column) |
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{ |
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$parts = explode('->', $column, 2); |
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$field = $this->wrap($parts[0]); |
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// $path = count($parts) > 1 ? ', '.$this->wrapJsonPath($parts[1], '->') : ''; |
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return [$field, $parts[1] ?? null]; |
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} |
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} |
HalalSoft /
laravel-dynamic-column
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.