Method has_mapping

explainshell/store.py:436–441

Return whether a mapping from *src* to *dst* already exists.

(self, src: str, dst: str)

        self._conn.commit()

    def has_mapping(self, src: str, dst: str) -> bool:
        """Return whether a mapping from *src* to *dst* already exists."""
        row = self._conn.execute(
            "SELECT 1 FROM mappings WHERE src = ? AND dst = ? LIMIT 1", (src, dst)
        ).fetchone()
        return row is not None

    def mapping_score(self, src: str, dst: str) -> int | None:
        """Return the score of the mapping from *src* to *dst*, or None."""