Method _has_column

xtop/core/query_builder.py:121–125

(self, source: str, column: str)

        return lookup.get(column.lower())

    def _has_column(self, source: str, column: str) -> bool:
        lookup = self._schema_lookup.get(source)
        if lookup is None:
            return True
        return column.lower() in lookup

    def _has_columns(self, source: str, columns: List[str]) -> bool:
        return all(self._has_column(source, col) for col in columns)