Errors

exception quivr.ValidationError(message, failures=None)

Exception raised when data provided to a Table is invalid according to the Table’s column validators.

Variables:

failures (pyarrow.Array) – An array of the invalid values that caused the exception to be raised.

exception quivr.TableFragmentedError

Exception raised when a Table is fragmented, and so an operation cannot be performed on it.

exception quivr.InvariantViolatedError

Exception raised when an invariant expectation is violated.

exception quivr.TablesNotCompatibleError

Exception raised when two tables are not compatible for some operation like concatenation.

exception quivr.LinkageCombinationError

Exception raised when linkages cannot be combined because they have incompatible table types or keys.

exception quivr.AttributeImmutableError

Exception raised when an attempt is made to modify an immutable attribute.

exception quivr.InvalidColumnDefault(default_value, dtype, column_name=None)

Exception raised when a column default is invalid.

Variables:

• default_value – The invalid default value.

• dtype – The dtype of the column.

• column_name – The name of the column, if available. This may be None.

exception quivr.InvalidColumnDataError(column, msg)

Exception raised when invalid data is provided to populate a particular column