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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# 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.
# pylint:disable=redefined-outer-name
import pytest
from pyiceberg.catalog import Catalog
from pyiceberg.exceptions import NoSuchTableError
from pyiceberg.partitioning import PartitionField, PartitionSpec
from pyiceberg.schema import Schema
from pyiceberg.table import Table
from pyiceberg.transforms import (
BucketTransform,
DayTransform,
HourTransform,
IdentityTransform,
MonthTransform,
TruncateTransform,
VoidTransform,
YearTransform,
)
from pyiceberg.types import (
LongType,
NestedField,
StringType,
TimestampType,
)
def _simple_table(catalog: Catalog, table_schema_simple: Schema) -> Table:
return _create_table_with_schema(catalog, table_schema_simple, "1")
def _table(catalog: Catalog) -> Table:
schema_with_timestamp = Schema(
NestedField(1, "id", LongType(), required=False),
NestedField(2, "event_ts", TimestampType(), required=False),
NestedField(3, "str", StringType(), required=False),
)
return _create_table_with_schema(catalog, schema_with_timestamp, "1")
def _table_v2(catalog: Catalog) -> Table:
schema_with_timestamp = Schema(
NestedField(1, "id", LongType(), required=False),
NestedField(2, "event_ts", TimestampType(), required=False),
NestedField(3, "str", StringType(), required=False),
)
return _create_table_with_schema(catalog, schema_with_timestamp, "2")
def _create_table_with_schema(catalog: Catalog, schema: Schema, format_version: str) -> Table:
tbl_name = "default.test_schema_evolution"
try:
catalog.drop_table(tbl_name)
except NoSuchTableError:
pass
return catalog.create_table(identifier=tbl_name, schema=schema, properties={"format-version": format_version})
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_add_identity_partition(catalog: Catalog, table_schema_simple: Schema) -> None:
simple_table = _simple_table(catalog, table_schema_simple)
simple_table.update_spec().add_identity("foo").commit()
specs = simple_table.specs()
assert len(specs) == 2
spec = simple_table.spec()
assert spec.spec_id == 1
assert spec.last_assigned_field_id == 1000
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_add_year(catalog: Catalog) -> None:
table = _table(catalog)
table.update_spec().add_field("event_ts", YearTransform(), "year_transform").commit()
_validate_new_partition_fields(table, 1000, 1, 1000, PartitionField(2, 1000, YearTransform(), "year_transform"))
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_add_month(catalog: Catalog) -> None:
table = _table(catalog)
table.update_spec().add_field("event_ts", MonthTransform(), "month_transform").commit()
_validate_new_partition_fields(table, 1000, 1, 1000, PartitionField(2, 1000, MonthTransform(), "month_transform"))
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_add_day(catalog: Catalog) -> None:
table = _table(catalog)
table.update_spec().add_field("event_ts", DayTransform(), "day_transform").commit()
_validate_new_partition_fields(table, 1000, 1, 1000, PartitionField(2, 1000, DayTransform(), "day_transform"))
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_add_hour(catalog: Catalog) -> None:
table = _table(catalog)
table.update_spec().add_field("event_ts", HourTransform(), "hour_transform").commit()
_validate_new_partition_fields(table, 1000, 1, 1000, PartitionField(2, 1000, HourTransform(), "hour_transform"))
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_add_bucket(catalog: Catalog, table_schema_simple: Schema) -> None:
simple_table = _create_table_with_schema(catalog, table_schema_simple, "1")
simple_table.update_spec().add_field("foo", BucketTransform(12), "bucket_transform").commit()
_validate_new_partition_fields(simple_table, 1000, 1, 1000, PartitionField(1, 1000, BucketTransform(12), "bucket_transform"))
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_add_truncate(catalog: Catalog, table_schema_simple: Schema) -> None:
simple_table = _create_table_with_schema(catalog, table_schema_simple, "1")
simple_table.update_spec().add_field("foo", TruncateTransform(1), "truncate_transform").commit()
_validate_new_partition_fields(
simple_table, 1000, 1, 1000, PartitionField(1, 1000, TruncateTransform(1), "truncate_transform")
)
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_multiple_adds(catalog: Catalog) -> None:
table = _table(catalog)
table.update_spec().add_identity("id").add_field("event_ts", HourTransform(), "hourly_partitioned").add_field(
"str", TruncateTransform(2), "truncate_str"
).commit()
_validate_new_partition_fields(
table,
1002,
1,
1002,
PartitionField(1, 1000, IdentityTransform(), "id"),
PartitionField(2, 1001, HourTransform(), "hourly_partitioned"),
PartitionField(3, 1002, TruncateTransform(2), "truncate_str"),
)
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_add_hour_to_day(catalog: Catalog) -> None:
table = _table(catalog)
table.update_spec().add_field("event_ts", DayTransform(), "daily_partitioned").commit()
table.update_spec().add_field("event_ts", HourTransform(), "hourly_partitioned").commit()
_validate_new_partition_fields(
table,
1001,
2,
1001,
PartitionField(2, 1000, DayTransform(), "daily_partitioned"),
PartitionField(2, 1001, HourTransform(), "hourly_partitioned"),
)
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_add_multiple_buckets(catalog: Catalog) -> None:
table = _table(catalog)
table.update_spec().add_field("id", BucketTransform(16)).add_field("id", BucketTransform(4)).commit()
_validate_new_partition_fields(
table,
1001,
1,
1001,
PartitionField(1, 1000, BucketTransform(16), "id_bucket_16"),
PartitionField(1, 1001, BucketTransform(4), "id_bucket_4"),
)
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_remove_identity(catalog: Catalog) -> None:
table = _table(catalog)
table.update_spec().add_identity("id").commit()
table.update_spec().remove_field("id").commit()
assert len(table.specs()) == 3
assert table.spec().spec_id == 2
assert table.spec() == PartitionSpec(
PartitionField(source_id=1, field_id=1000, transform=VoidTransform(), name="id"), spec_id=2
)
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_remove_identity_v2(catalog: Catalog) -> None:
table_v2 = _table_v2(catalog)
table_v2.update_spec().add_identity("id").commit()
table_v2.update_spec().remove_field("id").commit()
assert len(table_v2.specs()) == 2
assert table_v2.spec().spec_id == 0
assert table_v2.spec() == PartitionSpec(spec_id=0)
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_remove_bucket(catalog: Catalog) -> None:
table = _table(catalog)
with table.update_spec() as update:
update.add_field("id", BucketTransform(16), "bucketed_id")
update.add_field("event_ts", DayTransform(), "day_ts")
with table.update_spec() as remove:
remove.remove_field("bucketed_id")
assert len(table.specs()) == 3
_validate_new_partition_fields(
table,
1001,
2,
1001,
PartitionField(source_id=1, field_id=1000, transform=VoidTransform(), name="bucketed_id"),
PartitionField(source_id=2, field_id=1001, transform=DayTransform(), name="day_ts"),
)
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_remove_bucket_v2(catalog: Catalog) -> None:
table_v2 = _table_v2(catalog)
with table_v2.update_spec() as update:
update.add_field("id", BucketTransform(16), "bucketed_id")
update.add_field("event_ts", DayTransform(), "day_ts")
with table_v2.update_spec() as remove:
remove.remove_field("bucketed_id")
assert len(table_v2.specs()) == 3
_validate_new_partition_fields(
table_v2, 1001, 2, 1001, PartitionField(source_id=2, field_id=1001, transform=DayTransform(), name="day_ts")
)
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_remove_day(catalog: Catalog) -> None:
table = _table(catalog)
with table.update_spec() as update:
update.add_field("id", BucketTransform(16), "bucketed_id")
update.add_field("event_ts", DayTransform(), "day_ts")
with table.update_spec() as remove:
remove.remove_field("day_ts")
assert len(table.specs()) == 3
_validate_new_partition_fields(
table,
1001,
2,
1001,
PartitionField(source_id=1, field_id=1000, transform=BucketTransform(16), name="bucketed_id"),
PartitionField(source_id=2, field_id=1001, transform=VoidTransform(), name="day_ts"),
)
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_remove_day_v2(catalog: Catalog) -> None:
table_v2 = _table_v2(catalog)
with table_v2.update_spec() as update:
update.add_field("id", BucketTransform(16), "bucketed_id")
update.add_field("event_ts", DayTransform(), "day_ts")
with table_v2.update_spec() as remove:
remove.remove_field("day_ts")
assert len(table_v2.specs()) == 3
_validate_new_partition_fields(
table_v2, 1000, 2, 1001, PartitionField(source_id=1, field_id=1000, transform=BucketTransform(16), name="bucketed_id")
)
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_rename(catalog: Catalog) -> None:
table = _table(catalog)
table.update_spec().add_identity("id").commit()
table.update_spec().rename_field("id", "sharded_id").commit()
assert len(table.specs()) == 3
assert table.spec().spec_id == 2
_validate_new_partition_fields(table, 1000, 2, 1000, PartitionField(1, 1000, IdentityTransform(), "sharded_id"))
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_cannot_add_and_remove(catalog: Catalog) -> None:
table = _table(catalog)
with pytest.raises(ValueError) as exc_info:
table.update_spec().add_identity("id").remove_field("id").commit()
assert "Cannot delete newly added field id" in str(exc_info.value)
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_cannot_add_redundant_time_partition(catalog: Catalog) -> None:
table = _table(catalog)
with pytest.raises(ValueError) as exc_info:
table.update_spec().add_field("event_ts", YearTransform(), "year_transform").add_field(
"event_ts", HourTransform(), "hour_transform"
).commit()
assert "Cannot add time partition field: hour_transform conflicts with year_transform" in str(exc_info.value)
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_cannot_delete_and_rename(catalog: Catalog) -> None:
table = _table(catalog)
with pytest.raises(ValueError) as exc_info:
table.update_spec().add_identity("id").commit()
table.update_spec().remove_field("id").rename_field("id", "sharded_id").commit()
assert "Cannot delete and rename partition field id" in str(exc_info.value)
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_cannot_rename_and_delete(catalog: Catalog) -> None:
table = _table(catalog)
with pytest.raises(ValueError) as exc_info:
table.update_spec().add_identity("id").commit()
table.update_spec().rename_field("id", "sharded_id").remove_field("id").commit()
assert "Cannot rename and delete field id" in str(exc_info.value)
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_cannot_add_same_tranform_for_same_field(catalog: Catalog) -> None:
table = _table(catalog)
with pytest.raises(ValueError) as exc_info:
table.update_spec().add_field("str", TruncateTransform(4), "truncated_str").add_field(
"str", TruncateTransform(4)
).commit()
assert "Already added partition" in str(exc_info.value)
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_cannot_add_same_field_multiple_times(catalog: Catalog) -> None:
table = _table(catalog)
with pytest.raises(ValueError) as exc_info:
table.update_spec().add_field("id", IdentityTransform(), "duplicate").add_field(
"id", IdentityTransform(), "duplicate"
).commit()
assert "Already added partition" in str(exc_info.value)
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_cannot_add_multiple_specs_same_name(catalog: Catalog) -> None:
table = _table(catalog)
with pytest.raises(ValueError) as exc_info:
table.update_spec().add_field("id", IdentityTransform(), "duplicate").add_field(
"event_ts", IdentityTransform(), "duplicate"
).commit()
assert "Already added partition" in str(exc_info.value)
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_change_specs_and_schema_transaction(catalog: Catalog) -> None:
table = _table(catalog)
with table.transaction() as transaction:
with transaction.update_spec() as update_spec:
update_spec.add_identity("id").add_field("event_ts", HourTransform(), "hourly_partitioned").add_field(
"str", TruncateTransform(2), "truncate_str"
)
with transaction.update_schema() as update_schema:
update_schema.add_column("col_string", StringType())
_validate_new_partition_fields(
table,
1002,
1,
1002,
PartitionField(1, 1000, IdentityTransform(), "id"),
PartitionField(2, 1001, HourTransform(), "hourly_partitioned"),
PartitionField(3, 1002, TruncateTransform(2), "truncate_str"),
)
assert table.schema() == Schema(
NestedField(field_id=1, name="id", field_type=LongType(), required=False),
NestedField(field_id=2, name="event_ts", field_type=TimestampType(), required=False),
NestedField(field_id=3, name="str", field_type=StringType(), required=False),
NestedField(field_id=4, name="col_string", field_type=StringType(), required=False),
identifier_field_ids=[],
)
assert table.schema().schema_id == 1
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_multiple_adds_and_remove_v1(catalog: Catalog) -> None:
table = _table(catalog)
with table.update_spec() as update:
update.add_field("id", BucketTransform(16), "bucketed_id")
update.add_field("event_ts", DayTransform(), "day_ts")
with table.update_spec() as update:
update.remove_field("day_ts").remove_field("bucketed_id")
with table.update_spec() as update:
update.add_field("str", TruncateTransform(2), "truncated_str")
_validate_new_partition_fields(
table,
1002,
3,
1002,
PartitionField(1, 1000, VoidTransform(), "bucketed_id"),
PartitionField(2, 1001, VoidTransform(), "day_ts"),
PartitionField(3, 1002, TruncateTransform(2), "truncated_str"),
)
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_multiple_adds_and_remove_v2(catalog: Catalog) -> None:
table_v2 = _table_v2(catalog)
with table_v2.update_spec() as update:
update.add_field("id", BucketTransform(16), "bucketed_id")
update.add_field("event_ts", DayTransform(), "day_ts")
with table_v2.update_spec() as update:
update.remove_field("day_ts").remove_field("bucketed_id")
with table_v2.update_spec() as update:
update.add_field("str", TruncateTransform(2), "truncated_str")
_validate_new_partition_fields(table_v2, 1002, 2, 1002, PartitionField(3, 1002, TruncateTransform(2), "truncated_str"))
@pytest.mark.integration
@pytest.mark.parametrize("catalog", [pytest.lazy_fixture("session_catalog_hive"), pytest.lazy_fixture("session_catalog")])
def test_multiple_remove_and_add_reuses_v2(catalog: Catalog) -> None:
table_v2 = _table_v2(catalog)
with table_v2.update_spec() as update:
update.add_field("id", BucketTransform(16), "bucketed_id")
update.add_field("event_ts", DayTransform(), "day_ts")
with table_v2.update_spec() as update:
update.remove_field("day_ts").remove_field("bucketed_id")
with table_v2.update_spec() as update:
update.add_field("id", BucketTransform(16), "bucketed_id")
_validate_new_partition_fields(table_v2, 1000, 2, 1001, PartitionField(1, 1000, BucketTransform(16), "bucketed_id"))
def _validate_new_partition_fields(
table: Table,
expected_spec_last_assigned_field_id: int,
expected_spec_id: int,
expected_metadata_last_assigned_field_id: int,
*expected_partition_fields: PartitionField,
) -> None:
spec = table.spec()
assert spec.spec_id == expected_spec_id
assert spec.last_assigned_field_id == expected_spec_last_assigned_field_id
assert table.last_partition_id() == expected_metadata_last_assigned_field_id
assert len(spec.fields) == len(expected_partition_fields)
for i in range(len(spec.fields)):
assert spec.fields[i] == expected_partition_fields[i]
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