Merge pull request #736 from datafold/unfreeze-differ-classes

unfreeze differ classes

Author: dlawin

data_diff/diff_tables.py

@@ -30,7 +30,7 @@ class Algorithm(Enum):
 DiffResult = Iterator[Tuple[str, tuple]]  # Iterator[Tuple[Literal["+", "-"], tuple]]
 
 
-@attrs.define(frozen=True)
+@attrs.define(frozen=False)
 class ThreadBase:
     "Provides utility methods for optional threading"
 
@@ -179,7 +179,7 @@ def get_stats_dict(self, is_dbt: bool = False):
         return json_output
 
 
-@attrs.define(frozen=True)
+@attrs.define(frozen=False)
 class TableDiffer(ThreadBase, ABC):
     bisection_factor = 32
     stats: dict = {}

data_diff/hashdiff_tables.py

@@ -52,7 +52,7 @@ def diff_sets(a: list, b: list, json_cols: dict = None) -> Iterator:
         yield from v
 
 
-@attrs.define(frozen=True)
+@attrs.define(frozen=False)
 class HashDiffer(TableDiffer):
     """Finds the diff between two SQL tables
 

data_diff/joindiff_tables.py

@@ -110,7 +110,7 @@ def json_friendly_value(v):
     return v
 
 
-@attrs.define(frozen=True)
+@attrs.define(frozen=False)
 class JoinDiffer(TableDiffer):
     """Finds the diff between two SQL tables in the same database, using JOINs.