def test_not_null(assert_and_unwrap):
optional = StructType.of([NestedField.optional(21, "s", StringType.get())])
unbound = UnboundPredicate(Operation.NOT_NULL, Expressions.ref("s"))
expr = unbound.bind(optional)
bound = assert_and_unwrap(expr)
assert Operation.NOT_NULL == bound.op
assert 21 == bound.ref.field.field_id
assert bound.lit is None
required = StructType.of([NestedField.required(22, "s", StringType.get())])
assert Expressions.always_true() == unbound.bind(required)
def get_type(partition_type):
return StructType.of([
NestedField.required(100, "file_path", StringType.get()),
NestedField.required(101, "file_format", StringType.get()),
NestedField.required(102, "partition", partition_type),
NestedField.required(103, "record_count", LongType.get()),
NestedField.required(104, "file_size_in_bytes", LongType.get()),
NestedField.required(105, "block_size_in_bytes", LongType.get()),
NestedField.optional(106, "file_ordinal", IntegerType.get()),
NestedField.optional(107, "sort_columns",
ListType.of_required(112, IntegerType.get())),
NestedField.optional(
108, "column_sizes",
MapType.of_required(117, 118, IntegerType.get(),
LongType.get())),
NestedField.optional(
109, "value_counts",
MapType.of_required(119, 120, IntegerType.get(),
LongType.get())),
NestedField.optional(
110, "null_value_counts",
MapType.of_required(121, 122, IntegerType.get(),
LongType.get())),
NestedField.optional(
125, "lower_bounds",
MapType.of_required(126, 127, IntegerType.get(),
BinaryType.get())),
NestedField.optional(
128, "upper_bounds",
MapType.of_required(129, 130, IntegerType.get(),
BinaryType.get()))
]
# NEXT ID TO ASSIGN: 131
)
def test_comparison_predicate_binding(op, assert_and_unwrap):
struct = StructType.of([NestedField.required(14, "x", IntegerType.get())])
unbound = UnboundPredicate(op, Expressions.ref("x"), 5)
bound = assert_and_unwrap(unbound.bind(struct))
assert 5 == bound.lit.value
assert 14 == bound.ref.field.field_id
assert op == bound.op
def get_struct_field(col_type: pa.StructType) -> StructType:
if col_type.num_fields > 0:
if col_type[0].name == "map":
return get_inferred_map(col_type)
else:
return StructType.of([get_field(child) for child in col_type])
else:
raise RuntimeError("Unable to convert type to iceberg %s" % col_type)
def test_invalid_conversions(op):
struct = StructType.of([NestedField.required(16, "f", FloatType.get())])
unbound = UnboundPredicate(op, Expressions.ref("f"), "12.40")
try:
unbound.bind(struct)
except ValidationException as e:
assert e.args[0].startswith('Invalid Value for conversion to type float: "12.40" (StringLiteral)')
def test_missing_field():
struct = StructType.of([NestedField.required(13, "x", IntegerType.get())])
unbound = UnboundPredicate(Operation.LT, Expressions.ref("missing"), 6)
try:
unbound.bind(struct)
except ValidationException as e:
assert e.args[0].startswith("Cannot find field 'missing' in struct")
def test_literal_converison(op, assert_and_unwrap):
struct = StructType.of([NestedField.required(15, "d", DecimalType.of(9, 2))])
unbound = UnboundPredicate(op, Expressions.ref("d"), "12.40")
bound = assert_and_unwrap(unbound.bind(struct))
assert Decimal(12.40).quantize(Decimal(".01")).as_tuple() == bound.lit.value.as_tuple()
assert 15 == bound.ref.field.field_id
assert op == bound.op
def test_long_to_integer_conversion(assert_and_unwrap):
struct = StructType.of([NestedField.required(17, "i", IntegerType.get())])
lt = UnboundPredicate(Operation.LT, Expressions.ref("i"),
Literal.JAVA_MAX_INT + 1)
assert lt.bind(struct) == Expressions.always_true()
lt_eq = UnboundPredicate(Operation.LT_EQ, Expressions.ref("i"),
Literal.JAVA_MAX_INT + 1)
assert lt_eq.bind(struct) == Expressions.always_true()
gt = UnboundPredicate(Operation.GT, Expressions.ref("i"),
Literal.JAVA_MIN_INT - 1)
assert gt.bind(struct) == Expressions.always_true()
gt_eq = UnboundPredicate(Operation.GT_EQ, Expressions.ref("i"),
Literal.JAVA_MIN_INT - 1)
assert gt_eq.bind(struct) == Expressions.always_true()
gt_max = UnboundPredicate(Operation.GT, Expressions.ref("i"),
Literal.JAVA_MAX_INT + 1)
assert gt_max.bind(struct) == Expressions.always_false()
gt_eq_max = UnboundPredicate(Operation.GT_EQ, Expressions.ref("i"),
Literal.JAVA_MAX_INT + 1)
assert gt_eq_max.bind(struct) == Expressions.always_false()
lt_min = UnboundPredicate(Operation.LT, Expressions.ref("i"),
Literal.JAVA_MIN_INT - 1)
assert lt_min.bind(struct) == Expressions.always_false()
lt_eq_min = UnboundPredicate(Operation.LT_EQ, Expressions.ref("i"),
Literal.JAVA_MIN_INT - 1)
assert lt_eq_min.bind(struct) == Expressions.always_false()
lt_expr = UnboundPredicate(Operation.LT, Expressions.ref("i"),
Literal.JAVA_MAX_INT).bind(struct)
lt_max = assert_and_unwrap(lt_expr)
assert lt_max.lit.value == Literal.JAVA_MAX_INT
lt_eq_expr = UnboundPredicate(Operation.LT_EQ, Expressions.ref("i"),
Literal.JAVA_MAX_INT).bind(struct)
lt_eq_max = assert_and_unwrap(lt_eq_expr)
assert lt_eq_max.lit.value == Literal.JAVA_MAX_INT
gt_expr = UnboundPredicate(Operation.GT, Expressions.ref("i"),
Literal.JAVA_MIN_INT).bind(struct)
gt_min = assert_and_unwrap(gt_expr)
assert gt_min.lit.value == Literal.JAVA_MIN_INT
gt_eq_expr = UnboundPredicate(Operation.GT_EQ, Expressions.ref("i"),
Literal.JAVA_MIN_INT).bind(struct)
gt_eq_min = assert_and_unwrap(gt_eq_expr)
assert gt_eq_min.lit.value == Literal.JAVA_MIN_INT
def test_double_to_float_conversion(assert_and_unwrap):
struct = StructType.of([NestedField.required(18, "f", FloatType.get())])
lt = UnboundPredicate(Operation.LT, Expressions.ref("f"),
Literal.JAVA_MAX_FLOAT * 2)
assert lt.bind(struct) == Expressions.always_true()
lt_eq = UnboundPredicate(Operation.LT_EQ, Expressions.ref("f"),
Literal.JAVA_MAX_FLOAT * 2)
assert lt_eq.bind(struct) == Expressions.always_true()
gt = UnboundPredicate(Operation.GT, Expressions.ref("f"),
Literal.JAVA_MAX_FLOAT * -2)
assert gt.bind(struct) == Expressions.always_true()
gt_eq = UnboundPredicate(Operation.GT_EQ, Expressions.ref("f"),
Literal.JAVA_MAX_FLOAT * -2)
assert gt_eq.bind(struct) == Expressions.always_true()
gt_max = UnboundPredicate(Operation.GT, Expressions.ref("f"),
Literal.JAVA_MAX_FLOAT * 2)
assert gt_max.bind(struct) == Expressions.always_false()
gt_eq_max = UnboundPredicate(Operation.GT_EQ, Expressions.ref("f"),
Literal.JAVA_MAX_FLOAT * 2)
assert gt_eq_max.bind(struct) == Expressions.always_false()
lt_min = UnboundPredicate(Operation.LT, Expressions.ref("f"),
Literal.JAVA_MAX_FLOAT * -2)
assert lt_min.bind(struct) == Expressions.always_false()
lt_eq_min = UnboundPredicate(Operation.LT_EQ, Expressions.ref("f"),
Literal.JAVA_MAX_FLOAT * -2)
assert lt_eq_min.bind(struct) == Expressions.always_false()
lt_expr = UnboundPredicate(Operation.LT, Expressions.ref("f"),
Literal.JAVA_MAX_FLOAT).bind(struct)
lt_max = assert_and_unwrap(lt_expr)
assert lt_max.lit.value == Literal.JAVA_MAX_FLOAT
lt_eq_expr = UnboundPredicate(Operation.LT_EQ, Expressions.ref("f"),
Literal.JAVA_MAX_FLOAT).bind(struct)
lt_eq_max = assert_and_unwrap(lt_eq_expr)
assert lt_eq_max.lit.value == Literal.JAVA_MAX_FLOAT
gt_expr = UnboundPredicate(Operation.GT, Expressions.ref("f"),
Literal.JAVA_MIN_INT).bind(struct)
gt_min = assert_and_unwrap(gt_expr)
assert gt_min.lit.value == Literal.JAVA_MIN_INT
gt_eq_expr = UnboundPredicate(Operation.GT_EQ, Expressions.ref("f"),
Literal.JAVA_MIN_INT).bind(struct)
gt_eq_min = assert_and_unwrap(gt_eq_expr)
assert gt_eq_min.lit.value == Literal.JAVA_MIN_INT
def test_multiple_fields(assert_and_unwrap):
struct = StructType.of([NestedField.required(10, 'x', IntegerType.get()),
NestedField.required(11, 'y', IntegerType.get()),
NestedField.required(12, 'z', IntegerType.get())])
unbound = UnboundPredicate(Operation.LT, Expressions.ref("y"), 6)
expr = unbound.bind(struct)
bound = assert_and_unwrap(expr)
assert 11 == bound.ref.field.field_id
assert Operation.LT == bound.op
assert 6 == bound.lit.value
def test_nan_errors(row_of):
# Placeholder until NaN support is fully implemented
struct = StructType.of([NestedField.required(34, "f", FloatType.get())])
evaluator = exp.evaluator.Evaluator(
struct, exp.expressions.Expressions.is_nan("f"))
with raises(NotImplementedError):
evaluator.eval(row_of((123.4, )))
evaluator = exp.evaluator.Evaluator(
struct, exp.expressions.Expressions.not_nan("f"))
with raises(NotImplementedError):
evaluator.eval(row_of((123.4, )))
class GenericDataFile(DataFile, StructLike):
EMPTY_STRUCT_TYPE = StructType.of([])
EMPTY_PARTITION_DATA = PartitionData(EMPTY_STRUCT_TYPE)
def __init__(self,
file_path,
format,
file_size_in_bytes,
block_size_in_bytes,
row_count=None,
partition=None,
metrics=None):
self.file_path = file_path
self.format = format
self.row_count = row_count
self.file_size_in_bytes = file_size_in_bytes
self.block_size_in_bytes = block_size_in_bytes
self.file_ordinal = None
self.sort_columns = None
if partition is None:
self.partition_data = GenericDataFile.EMPTY_PARTITION_DATA
self.partition_type = GenericDataFile.EMPTY_PARTITION_DATA.partition_type
else:
self.partition_data = partition
self.partition_type = partition.get_partition_type()
if metrics is None:
self.row_count = row_count
self.column_sizes = None
self.value_counts = None
self.null_value_counts = None
self.lower_bounds = None
self.upper_bounds = None
else:
self.row_count = metrics.row_count
self.column_sizes = metrics.column_sizes
self.value_counts = metrics.value_counts
self.null_value_counts = metrics.null_value_counts
self.lower_bounds = metrics.lower_bounds
self.upper_bounds = metrics.upper_bounds
def partition(self):
return self.partition_data
@staticmethod
def get_avro_schema(partition_type):
return IcebergToAvro.type_to_schema(DataFile.get_type(partition_type),
DataFile.__class__.__name__)
def convert_record_type(avro_field, next_id=None):
avro_field_type = avro_field.get(AvroToIceberg.FIELD_TYPE_PROP)
if avro_field_type != "record":
raise RuntimeError("Field type muse be 'record': %s" % avro_field_type)
fields = avro_field.get(AvroToIceberg.FIELD_FIELDS_PROP)
iceberg_fields = []
if next_id is None:
next_id = len(fields)
for field in fields:
iceberg_field, next_id = AvroToIceberg.convert_avro_field_to_iceberg(field, next_id=next_id)
iceberg_fields.append(iceberg_field)
return StructType.of(iceberg_fields), next_id
def test_unnested_complex_types(unnested_complex_type_test_parquet_file):
expected_schema = Schema([
NestedField.optional(1, "list_int_col",
ListType.of_optional(3, IntegerType.get())),
NestedField.optional(4, "list_str_col",
ListType.of_optional(6, StringType.get())),
NestedField.optional(
7, "struct_col",
StructType.of([
NestedField.optional(8, "f1", IntegerType.get()),
NestedField.optional(9, "f2", StringType.get())
]))
])
converted_schema = convert_parquet_to_iceberg(
unnested_complex_type_test_parquet_file)
compare_schema(expected_schema, converted_schema)
def struct_from_dict(dict_obj):
struct_fields = list()
fields = dict_obj.get(SchemaParser.FIELDS)
for field in fields:
field_id = field.get(SchemaParser.ID)
field_name = field.get(SchemaParser.NAME)
field_type = SchemaParser.type_from_dict(
field.get(SchemaParser.TYPE))
if field.get(SchemaParser.REQUIRED):
struct_fields.append(
NestedField.required(field_id, field_name, field_type))
else:
struct_fields.append(
NestedField.optional(field_id, field_name, field_type))
return StructType.of(struct_fields)
def supported_primitives():
return StructType.of([
NestedField.required(100, "id", LongType.get()),
NestedField.optional(101, "data", StringType.get()),
NestedField.required(102, "b", BooleanType.get()),
NestedField.optional(103, "i", IntegerType.get()),
NestedField.required(104, "l", LongType.get()),
NestedField.optional(105, "f", FloatType.get()),
NestedField.required(106, "d", DoubleType.get()),
NestedField.optional(107, "date", DateType.get()),
NestedField.required(108, "ts", TimestampType.with_timezone()),
NestedField.required(110, "s", StringType.get()),
NestedField.required(111, "uuid", UUIDType.get()),
NestedField.required(112, "fixed", FixedType.of_length(7)),
NestedField.optional(113, "bytes", BinaryType.get()),
NestedField.required(114, "dec_9_0", DecimalType.of(9, 0)),
NestedField.required(114, "dec_11_2", DecimalType.of(11, 2)),
NestedField.required(114, "dec_38_10", DecimalType.of(38, 10))
])
class GenericDataFile(DataFile, StructLike):
EMPTY_STRUCT_TYPE = StructType.of([])
EMPTY_PARTITION_DATA = PartitionData(EMPTY_STRUCT_TYPE)
def __init__(self,
file_path,
format,
file_size_in_bytes,
block_size_in_bytes,
row_count=None,
partition=None,
metrics=None):
self._file_path = file_path
self._format = format
self._row_count = row_count
self._file_size_in_bytes = file_size_in_bytes
self._block_size_in_bytes = block_size_in_bytes
self._file_ordinal = None
self._sort_columns = None
if partition is None:
self._partition_data = GenericDataFile.EMPTY_PARTITION_DATA
self._partition_type = GenericDataFile.EMPTY_PARTITION_DATA.partition_type
else:
self._partition_data = partition
self._partition_type = partition.get_partition_type()
if metrics is None:
self._row_count = row_count
self._column_sizes = None
self._value_counts = None
self._null_value_counts = None
self._lower_bounds = None
self._upper_bounds = None
else:
self._row_count = metrics.row_count
self._column_sizes = metrics.column_sizes
self._value_counts = metrics.value_counts
self._null_value_counts = metrics.null_value_counts
self._lower_bounds = metrics.lower_bounds
self._upper_bounds = metrics.upper_bounds
def partition(self):
return self._partition_data
def path(self):
return self._file_path
def format(self):
return self._format
def record_count(self):
return self._row_count
def file_size_in_bytes(self):
return self._file_size_in_bytes
def block_size_in_bytes(self):
return self._block_size_in_bytes
def file_ordinal(self):
return self._file_ordinal
def sort_columns(self):
return self._sort_columns
def column_sizes(self):
return self._column_sizes
def value_counts(self):
return self._value_counts
def null_value_counts(self):
return self._null_value_counts
def lower_bounds(self):
return self._lower_bounds
def upper_bounds(self):
return self._upper_bounds
def copy(self):
return copy.deepcopy(self)
@staticmethod
def get_avro_schema(partition_type):
return IcebergToAvro.type_to_schema(DataFile.get_type(partition_type),
DataFile.__class__.__name__)
def __repr__(self):
fields = [
"file_path: {}".format(self._file_path),
"file_format: {}".format(self._format),
"partition: {}".format(self._partition_data),
"record_count: {}".format(self._row_count),
"file_size_in_bytes: {}".format(self._file_size_in_bytes),
"block_size_in_bytes: {}".format(self._block_size_in_bytes),
"column_sizes: {}".format(self._column_sizes),
"value_counts: {}".format(self._value_counts),
"null_value_counts: {}".format(self._null_value_counts),
"lower_bounds: {}".format(self._lower_bounds),
"upper_bounds: {}".format(self._upper_bounds),
]
return "GenericDataFile({})".format("\n,".join(fields))
def __str__(self):
return self.__repr__()
def __deepcopy__(self, memodict):
cls = self.__class__
result = cls.__new__(cls)
memodict[id(self)] = result
for k, v in self.__dict__.items():
setattr(result, k, copy.deepcopy(v, memodict))
return result
def test_char_seq_value(row_of):
struct = StructType.of([NestedField.required(34, "s", StringType.get())])
evaluator = exp.evaluator.Evaluator(struct, exp.expressions.Expressions.equal("s", "abc"))
assert evaluator.eval(row_of(("abc",)))
assert not evaluator.eval(row_of(("abcd",)))
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
import iceberg.api.expressions as exp
from iceberg.api.types import (IntegerType,
NestedField,
StringType,
StructType)
from iceberg.exceptions import ValidationException
from pytest import raises
STRUCT = StructType.of([NestedField.required(13, "x", IntegerType.get()),
NestedField.required(14, "y", IntegerType.get()),
NestedField.optional(15, "z", IntegerType.get())])
def test_less_than(row_of):
evaluator = exp.evaluator.Evaluator(STRUCT,
exp.expressions.Expressions.less_than("x", 7))
assert not evaluator.eval(row_of((7, 8, None)))
assert evaluator.eval(row_of((6, 8, None)))
def test_less_than_or_equal(row_of):
evaluator = exp.evaluator.Evaluator(STRUCT,
exp.expressions.Expressions.less_than_or_equal("x", 7))
assert evaluator.eval(row_of((7, 8, None)))
assert evaluator.eval(row_of((6, 8, None)))
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
from iceberg.api.expressions import (And, Binder, Expressions, Not, Or)
from iceberg.api.types import (IntegerType, NestedField, StructType)
import iceberg.exceptions as ice_ex
from pytest import raises
STRUCT = StructType.of([
NestedField.required(0, "x", IntegerType.get()),
NestedField.required(1, "y", IntegerType.get()),
NestedField.required(2, "z", IntegerType.get())
])
def test_missing_reference():
expr = Expressions.and_(Expressions.equal("t", 5),
Expressions.equal("x", 7))
try:
Binder.bind(STRUCT, expr)
except ice_ex.ValidationException as e:
assert "Cannot find field 't' in struct" in "{}".format(e)
def test_bound_expression_fails():
with raises(RuntimeError):
