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<?php |
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namespace Staudenmeir\EloquentJsonRelations\Grammars\Traits; |
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use Illuminate\Contracts\Database\Query\Expression; |
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use Illuminate\Database\ConnectionInterface; |
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trait CompilesMySqlJsonQueries |
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{ |
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/** |
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* Compile a "JSON array" statement into SQL. |
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* |
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* @param string $column |
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* @return string |
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*/ |
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public function compileJsonArray($column) |
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{ |
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return 'json_array('.$this->wrap($column).')'; |
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} |
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/** |
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* Compile a "JSON object" statement into SQL. |
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* |
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* @param string $column |
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* @param int $levels |
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* @return string |
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*/ |
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public function compileJsonObject($column, $levels) |
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{ |
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return str_repeat('json_object(?, ', $levels) |
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.$this->wrap($column) |
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.str_repeat(')', $levels); |
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} |
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/** |
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* Compile a "JSON value select" statement into SQL. |
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* |
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* @param string $column |
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* @return string |
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*/ |
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public function compileJsonValueSelect(string $column): string |
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{ |
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return $this->wrap($column); |
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} |
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/** |
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* Determine whether the database supports the "member of" operator. |
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* |
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* @param \Illuminate\Database\ConnectionInterface $connection |
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* @return bool |
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*/ |
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public function supportsMemberOf(ConnectionInterface $connection): bool |
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{ |
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if ($connection->isMaria()) { |
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return false; |
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} |
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return version_compare($connection->getServerVersion(), '8.0.17') >= 0; |
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} |
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/** |
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* Compile a "member of" statement into SQL. |
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* |
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* @param string $column |
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* @param mixed $value |
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* @return string |
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*/ |
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public function compileMemberOf(string $column, ?string $objectKey, mixed $value): string |
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{ |
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$columnWithKey = $objectKey ? $column . (str_contains($column, '->') ? '[*]' : '') . "->$objectKey" : $column; |
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[$field, $path] = $this->wrapJsonFieldAndPath($columnWithKey); |
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if ($objectKey && !str_contains($column, '->')) { |
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$path = ", '$[*]" . substr($path, 4); |
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} |
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$sql = $path ? "json_extract($field$path)" : $field; |
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if ($value instanceof Expression) { |
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return $value->getValue($this) . " member of($sql)"; |
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} |
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return "? member of($sql)"; |
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} |
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/** |
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* Prepare the bindings for a "member of" statement. |
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* |
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* @param mixed $value |
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* @return array |
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*/ |
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public function prepareBindingsForMemberOf(mixed $value): array |
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{ |
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return $value instanceof Expression ? [] : [$value]; |
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} |
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} |
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staudenmeir /
eloquent-json-relations
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