fix(ingest): unfreeze bigquery/snowflake column dataclass (#6921)

metadata-ingestion/src/datahub/ingestion/source/bigquery_v2/bigquery_schema.py

@@ -13,7 +13,7 @@ from datahub.ingestion.source.sql.sql_generic import BaseColumn, BaseTable, Base
 logger: logging.Logger = logging.getLogger(__name__)
 
 
-@dataclass(frozen=True, eq=True)
+@dataclass
 class BigqueryColumn(BaseColumn):
     field_path: str
     is_partition_column: bool

metadata-ingestion/src/datahub/ingestion/source/snowflake/snowflake_schema.py

@@ -45,7 +45,7 @@ class SnowflakeTag:
         return f"{self.database}.{self.schema}.{self.name}"
 
 
-@dataclass(frozen=True, eq=True)
+@dataclass
 class SnowflakeColumn(BaseColumn):
     character_maximum_length: Optional[int]
     numeric_precision: Optional[int]

metadata-ingestion/src/datahub/ingestion/source/sql/sql_generic.py

@@ -16,7 +16,7 @@ from datahub.ingestion.api.decorators import (
 from datahub.ingestion.source.sql.sql_common import SQLAlchemyConfig, SQLAlchemySource
 
 
-@dataclass(frozen=True, eq=True)
+@dataclass
 class BaseColumn:
     name: str
     ordinal_position: int