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hub / github.com/pathwaycom/pathway / __init__

Method __init__

python/pathway/stdlib/temporal/_asof_join.py:205–253  ·  view source on GitHub ↗
(
        self,
        side_data: dict[bool, _SideData],
        mode: pw.JoinMode,
        defaults: dict[expr.InternalColRef, Any],
        direction: Direction,
        _filter_out_results_of_forgetting: bool,
    )

Source from the content-addressed store, hash-verified

203 _all_cols: list[_SelectColumn]
204
205 def __init__(
206 self,
207 side_data: dict[bool, _SideData],
208 mode: pw.JoinMode,
209 defaults: dict[expr.InternalColRef, Any],
210 direction: Direction,
211 _filter_out_results_of_forgetting: bool,
212 ):
213 super().__init__()
214 self._side_data = side_data
215 self._mode = mode
216 self._defaults = defaults
217 self._direction = direction
218 all_cols: list[_SelectColumn] = []
219 for sd in self._side_data.values():
220 for k in sd.original_table.column_names():
221 col = sd.table[k]
222 source_column = sd.original_table[k]
223 name = f"_c{int(sd.side)}_{col.name}"
224 all_cols.append(
225 _SelectColumn(
226 internal_name=name,
227 column=col,
228 source_column=source_column,
229 output_name=name,
230 side=sd.side,
231 default=defaults.get(source_column._to_internal()),
232 )
233 )
234
235 self._all_cols = all_cols
236 merge_result = self._merge()
237 if _filter_out_results_of_forgetting:
238 merge_result = merge_result.filter_out_results_of_forgetting(
239 ensure_consistency=False
240 )
241 self._merge_result = merge_result
242
243 self._sub_desugaring = SubstitutionDesugaring(
244 {
245 sc.source_column._to_internal(): self._merge_result[sc.internal_name]
246 for sc in all_cols
247 }
248 )
249 self._substitution = {
250 pw.this: self._merge_result,
251 pw.left: self._side_data[False].original_table,
252 pw.right: self._side_data[True].original_table,
253 }
254
255 @property
256 def _desugaring(self) -> SubstitutionDesugaring:

Callers

nothing calls this directly

Calls 8

_mergeMethod · 0.95
_SelectColumnClass · 0.85
valuesMethod · 0.80
column_namesMethod · 0.45
getMethod · 0.45
_to_internalMethod · 0.45

Tested by

no test coverage detected