message: Change the commit_action default to null to match what postgres 12.4 actually does
diff: @@ -96,12 +96,10 @@ void information_schema_tables(ClientContext &context, const FunctionData *bind_
  const char *table_type;
  const char *is_insertable_into = "NO";
  - bool is_temp = false;
  switch (entry->type) {
  case CatalogType::TABLE_ENTRY:
  if (entry->temporary) {
  table_type = "LOCAL TEMPORARY";
  - is_temp = true;
  } else {
  table_type = "BASE TABLE";
  }
  @@ -140,7 +138,7 @@ void information_schema_tables(ClientContext &context, const FunctionData *bind_
  // "is_typed", PhysicalType::VARCHAR (YES/NO)
  output.SetValue(10, index, Value("NO"));
  // "commit_action", PhysicalType::VARCHAR
  - output.SetValue(11, index, is_temp ? Value("PRESERVE") : Value());
  + output.SetValue(11, index, Value());
  }
  data.offset = next;
  }
  