"""Picks DB vs Tabular executor based on the source_type of the IR's source.

This is the only place in the structured query path where the schema/tabular
distinction matters. Every step before this is source-type-agnostic.
"""

from ...catalog.models import Catalog
from ..ir.models import QueryIR
from .base import BaseExecutor


class ExecutorDispatcher:
    def __init__(self, catalog: Catalog) -> None:
        self._catalog = catalog

    def pick(self, ir: QueryIR) -> BaseExecutor:
        raise NotImplementedError