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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 io | |
| import json | |
| from copy import copy | |
| from typing import Any, Dict | |
| from unittest.mock import MagicMock, patch | |
| from uuid import UUID | |
| import pytest | |
| from pyiceberg.exceptions import ValidationError | |
| from pyiceberg.partitioning import PartitionField, PartitionSpec | |
| from pyiceberg.schema import Schema | |
| from pyiceberg.serializers import FromByteStream | |
| from pyiceberg.table.metadata import ( | |
| TableMetadataUtil, | |
| TableMetadataV1, | |
| TableMetadataV2, | |
| new_table_metadata, | |
| ) | |
| from pyiceberg.table.refs import SnapshotRef, SnapshotRefType | |
| from pyiceberg.table.sorting import NullOrder, SortDirection, SortField, SortOrder | |
| from pyiceberg.transforms import IdentityTransform | |
| from pyiceberg.typedef import UTF8 | |
| from pyiceberg.types import ( | |
| BooleanType, | |
| FloatType, | |
| IntegerType, | |
| ListType, | |
| LongType, | |
| MapType, | |
| NestedField, | |
| StringType, | |
| StructType, | |
| ) | |
| def test_from_dict_v1(example_table_metadata_v1: Dict[str, Any]) -> None: | |
| """Test initialization of a TableMetadata instance from a dictionary""" | |
| TableMetadataUtil.parse_obj(example_table_metadata_v1) | |
| def test_from_dict_v1_parse_raw(example_table_metadata_v1: Dict[str, Any]) -> None: | |
| """Test initialization of a TableMetadata instance from a str""" | |
| TableMetadataUtil.parse_raw(json.dumps(example_table_metadata_v1)) | |
| def test_from_dict_v2(example_table_metadata_v2: Dict[str, Any]) -> None: | |
| """Test initialization of a TableMetadata instance from a dictionary""" | |
| TableMetadataUtil.parse_obj(example_table_metadata_v2) | |
| def test_from_dict_v2_parse_raw(example_table_metadata_v2: Dict[str, Any]) -> None: | |
| """Test initialization of a TableMetadata instance from a str""" | |
| TableMetadataUtil.parse_raw(json.dumps(example_table_metadata_v2)) | |
| def test_from_byte_stream(example_table_metadata_v2: Dict[str, Any]) -> None: | |
| """Test generating a TableMetadata instance from a file-like byte stream""" | |
| data = bytes(json.dumps(example_table_metadata_v2), encoding=UTF8) | |
| byte_stream = io.BytesIO(data) | |
| FromByteStream.table_metadata(byte_stream=byte_stream) | |
| def test_v2_metadata_parsing(example_table_metadata_v2: Dict[str, Any]) -> None: | |
| """Test retrieving values from a TableMetadata instance of version 2""" | |
| table_metadata = TableMetadataUtil.parse_obj(example_table_metadata_v2) | |
| assert table_metadata.format_version == 2 | |
| assert table_metadata.table_uuid == UUID("9c12d441-03fe-4693-9a96-a0705ddf69c1") | |
| assert table_metadata.location == "s3://bucket/test/location" | |
| assert table_metadata.last_sequence_number == 34 | |
| assert table_metadata.last_updated_ms == 1602638573590 | |
| assert table_metadata.last_column_id == 3 | |
| assert table_metadata.schemas[0].schema_id == 0 | |
| assert table_metadata.current_schema_id == 1 | |
| assert table_metadata.partition_specs[0].spec_id == 0 | |
| assert table_metadata.default_spec_id == 0 | |
| assert table_metadata.last_partition_id == 1000 | |
| assert table_metadata.properties["read.split.target.size"] == "134217728" | |
| assert table_metadata.current_snapshot_id == 3055729675574597004 | |
| assert table_metadata.snapshots[0].snapshot_id == 3051729675574597004 | |
| assert table_metadata.snapshot_log[0].timestamp_ms == 1515100955770 | |
| assert table_metadata.sort_orders[0].order_id == 3 | |
| assert table_metadata.default_sort_order_id == 3 | |
| def test_v1_metadata_parsing_directly(example_table_metadata_v1: Dict[str, Any]) -> None: | |
| """Test retrieving values from a TableMetadata instance of version 1""" | |
| table_metadata = TableMetadataV1(**example_table_metadata_v1) | |
| assert isinstance(table_metadata, TableMetadataV1) | |
| # The version 1 will automatically be bumped to version 2 | |
| assert table_metadata.format_version == 1 | |
| assert table_metadata.table_uuid == UUID("d20125c8-7284-442c-9aea-15fee620737c") | |
| assert table_metadata.location == "s3://bucket/test/location" | |
| assert table_metadata.last_updated_ms == 1602638573874 | |
| assert table_metadata.last_column_id == 3 | |
| assert table_metadata.schemas == [ | |
| Schema( | |
| NestedField(field_id=1, name="x", field_type=LongType(), required=True), | |
| NestedField(field_id=2, name="y", field_type=LongType(), required=True, doc="comment"), | |
| NestedField(field_id=3, name="z", field_type=LongType(), required=True), | |
| identifier_field_ids=[], | |
| ) | |
| ] | |
| assert table_metadata.schemas[0].schema_id == 0 | |
| assert table_metadata.current_schema_id == 0 | |
| assert table_metadata.partition_specs == [ | |
| PartitionSpec(PartitionField(source_id=1, field_id=1000, transform=IdentityTransform(), name="x")) | |
| ] | |
| assert table_metadata.default_spec_id == 0 | |
| assert table_metadata.last_partition_id == 1000 | |
| assert table_metadata.current_snapshot_id is None | |
| assert table_metadata.default_sort_order_id == 0 | |
| def test_parsing_correct_types(example_table_metadata_v2: Dict[str, Any]) -> None: | |
| table_metadata = TableMetadataV2(**example_table_metadata_v2) | |
| assert isinstance(table_metadata.schemas[0], Schema) | |
| assert isinstance(table_metadata.schemas[0].fields[0], NestedField) | |
| assert isinstance(table_metadata.schemas[0].fields[0].field_type, LongType) | |
| def test_updating_metadata(example_table_metadata_v2: Dict[str, Any]) -> None: | |
| """Test creating a new TableMetadata instance that's an updated version of | |
| an existing TableMetadata instance""" | |
| table_metadata = TableMetadataV2(**example_table_metadata_v2) | |
| new_schema = { | |
| "type": "struct", | |
| "schema-id": 1, | |
| "fields": [ | |
| {"id": 1, "name": "foo", "required": True, "type": "string"}, | |
| {"id": 2, "name": "bar", "required": True, "type": "string"}, | |
| {"id": 3, "name": "baz", "required": True, "type": "string"}, | |
| ], | |
| } | |
| mutable_table_metadata = table_metadata.model_dump() | |
| mutable_table_metadata["schemas"].append(new_schema) | |
| mutable_table_metadata["current-schema-id"] = 1 | |
| table_metadata = TableMetadataV2(**mutable_table_metadata) | |
| assert table_metadata.current_schema_id == 1 | |
| assert table_metadata.schemas[-1] == Schema(**new_schema) | |
| def test_serialize_v1(example_table_metadata_v1: Dict[str, Any]) -> None: | |
| table_metadata = TableMetadataV1(**example_table_metadata_v1) | |
| table_metadata_json = table_metadata.model_dump_json() | |
| expected = """{"location":"s3://bucket/test/location","table-uuid":"d20125c8-7284-442c-9aea-15fee620737c","last-updated-ms":1602638573874,"last-column-id":3,"schemas":[{"type":"struct","fields":[{"id":1,"name":"x","type":"long","required":true},{"id":2,"name":"y","type":"long","required":true,"doc":"comment"},{"id":3,"name":"z","type":"long","required":true}],"schema-id":0,"identifier-field-ids":[]}],"current-schema-id":0,"partition-specs":[{"spec-id":0,"fields":[{"source-id":1,"field-id":1000,"transform":"identity","name":"x"}]}],"default-spec-id":0,"last-partition-id":1000,"properties":{},"snapshots":[{"snapshot-id":1925,"timestamp-ms":1602638573822}],"snapshot-log":[],"metadata-log":[],"sort-orders":[{"order-id":0,"fields":[]}],"default-sort-order-id":0,"refs":{},"format-version":1,"schema":{"type":"struct","fields":[{"id":1,"name":"x","type":"long","required":true},{"id":2,"name":"y","type":"long","required":true,"doc":"comment"},{"id":3,"name":"z","type":"long","required":true}],"schema-id":0,"identifier-field-ids":[]},"partition-spec":[{"name":"x","transform":"identity","source-id":1,"field-id":1000}]}""" | |
| assert table_metadata_json == expected | |
| def test_serialize_v2(example_table_metadata_v2: Dict[str, Any]) -> None: | |
| table_metadata = TableMetadataV2(**example_table_metadata_v2).model_dump_json() | |
| expected = """{"location":"s3://bucket/test/location","table-uuid":"9c12d441-03fe-4693-9a96-a0705ddf69c1","last-updated-ms":1602638573590,"last-column-id":3,"schemas":[{"type":"struct","fields":[{"id":1,"name":"x","type":"long","required":true}],"schema-id":0,"identifier-field-ids":[]},{"type":"struct","fields":[{"id":1,"name":"x","type":"long","required":true},{"id":2,"name":"y","type":"long","required":true,"doc":"comment"},{"id":3,"name":"z","type":"long","required":true}],"schema-id":1,"identifier-field-ids":[1,2]}],"current-schema-id":1,"partition-specs":[{"spec-id":0,"fields":[{"source-id":1,"field-id":1000,"transform":"identity","name":"x"}]}],"default-spec-id":0,"last-partition-id":1000,"properties":{"read.split.target.size":"134217728"},"current-snapshot-id":3055729675574597004,"snapshots":[{"snapshot-id":3051729675574597004,"sequence-number":0,"timestamp-ms":1515100955770,"manifest-list":"s3://a/b/1.avro","summary":{"operation":"append"}},{"snapshot-id":3055729675574597004,"parent-snapshot-id":3051729675574597004,"sequence-number":1,"timestamp-ms":1555100955770,"manifest-list":"s3://a/b/2.avro","summary":{"operation":"append"},"schema-id":1}],"snapshot-log":[{"snapshot-id":3051729675574597004,"timestamp-ms":1515100955770},{"snapshot-id":3055729675574597004,"timestamp-ms":1555100955770}],"metadata-log":[{"metadata-file":"s3://bucket/.../v1.json","timestamp-ms":1515100}],"sort-orders":[{"order-id":3,"fields":[{"source-id":2,"transform":"identity","direction":"asc","null-order":"nulls-first"},{"source-id":3,"transform":"bucket[4]","direction":"desc","null-order":"nulls-last"}]}],"default-sort-order-id":3,"refs":{"test":{"snapshot-id":3051729675574597004,"type":"tag","max-ref-age-ms":10000000},"main":{"snapshot-id":3055729675574597004,"type":"branch"}},"format-version":2,"last-sequence-number":34}""" | |
| assert table_metadata == expected | |
| def test_migrate_v1_schemas(example_table_metadata_v1: Dict[str, Any]) -> None: | |
| table_metadata = TableMetadataV1(**example_table_metadata_v1) | |
| assert isinstance(table_metadata, TableMetadataV1) | |
| assert len(table_metadata.schemas) == 1 | |
| assert table_metadata.schemas[0] == table_metadata.schema_ | |
| def test_migrate_v1_partition_specs(example_table_metadata_v1: Dict[str, Any]) -> None: | |
| # Copy the example, and add a spec | |
| table_metadata = TableMetadataV1(**example_table_metadata_v1) | |
| assert isinstance(table_metadata, TableMetadataV1) | |
| assert len(table_metadata.partition_specs) == 1 | |
| # Spec ID gets added automatically | |
| assert table_metadata.partition_specs == [ | |
| PartitionSpec(PartitionField(source_id=1, field_id=1000, transform=IdentityTransform(), name="x")), | |
| ] | |
| def test_new_table_metadata_with_explicit_v1_format() -> None: | |
| schema = Schema( | |
| NestedField(field_id=10, name="foo", field_type=StringType(), required=False), | |
| NestedField(field_id=22, name="bar", field_type=IntegerType(), required=True), | |
| NestedField(field_id=33, name="baz", field_type=BooleanType(), required=False), | |
| schema_id=10, | |
| identifier_field_ids=[22], | |
| ) | |
| partition_spec = PartitionSpec( | |
| PartitionField(source_id=22, field_id=1022, transform=IdentityTransform(), name="bar"), spec_id=10 | |
| ) | |
| sort_order = SortOrder( | |
| SortField(source_id=10, transform=IdentityTransform(), direction=SortDirection.ASC, null_order=NullOrder.NULLS_LAST), | |
| order_id=10, | |
| ) | |
| actual = new_table_metadata( | |
| schema=schema, | |
| partition_spec=partition_spec, | |
| sort_order=sort_order, | |
| location="s3://some_v1_location/", | |
| properties={"format-version": "1"}, | |
| ) | |
| expected_schema = Schema( | |
| NestedField(field_id=1, name="foo", field_type=StringType(), required=False), | |
| NestedField(field_id=2, name="bar", field_type=IntegerType(), required=True), | |
| NestedField(field_id=3, name="baz", field_type=BooleanType(), required=False), | |
| schema_id=0, | |
| identifier_field_ids=[2], | |
| ) | |
| expected_spec = PartitionSpec(PartitionField(source_id=2, field_id=1000, transform=IdentityTransform(), name="bar")) | |
| expected_sort_order = SortOrder( | |
| SortField(source_id=1, transform=IdentityTransform(), direction=SortDirection.ASC, null_order=NullOrder.NULLS_LAST), | |
| order_id=1, | |
| ) | |
| expected = TableMetadataV1( | |
| location="s3://some_v1_location/", | |
| table_uuid=actual.table_uuid, | |
| last_updated_ms=actual.last_updated_ms, | |
| last_column_id=3, | |
| schemas=[expected_schema], | |
| schema_=expected_schema, | |
| current_schema_id=0, | |
| partition_spec=[field.model_dump() for field in expected_spec.fields], | |
| partition_specs=[expected_spec], | |
| default_spec_id=0, | |
| last_partition_id=1000, | |
| properties={}, | |
| current_snapshot_id=None, | |
| snapshots=[], | |
| snapshot_log=[], | |
| metadata_log=[], | |
| sort_orders=[expected_sort_order], | |
| default_sort_order_id=1, | |
| refs={}, | |
| format_version=1, | |
| ) | |
| assert actual.model_dump() == expected.model_dump() | |
| assert actual.schemas == [expected_schema] | |
| assert actual.partition_specs == [expected_spec] | |
| assert actual.sort_orders == [expected_sort_order] | |
| def test_invalid_format_version(example_table_metadata_v1: Dict[str, Any]) -> None: | |
| """Test the exception when trying to load an unknown version""" | |
| example_table_metadata_v22 = copy(example_table_metadata_v1) | |
| example_table_metadata_v22["format-version"] = -1 | |
| with pytest.raises(ValidationError) as exc_info: | |
| TableMetadataUtil.parse_raw(json.dumps(example_table_metadata_v22)) | |
| assert "Input tag '-1' found using 'format_version'" in str(exc_info.value) | |
| def test_current_schema_not_found() -> None: | |
| """Test that we raise an exception when the schema can't be found""" | |
| table_metadata_schema_not_found = { | |
| "format-version": 2, | |
| "table-uuid": "d20125c8-7284-442c-9aea-15fee620737c", | |
| "location": "s3://bucket/test/location", | |
| "last-updated-ms": 1602638573874, | |
| "last-column-id": 3, | |
| "schemas": [ | |
| {"type": "struct", "schema-id": 0, "fields": [{"id": 1, "name": "x", "required": True, "type": "long"}]}, | |
| { | |
| "type": "struct", | |
| "schema-id": 1, | |
| "identifier-field-ids": [1, 2], | |
| "fields": [ | |
| {"id": 1, "name": "x", "required": True, "type": "long"}, | |
| {"id": 2, "name": "y", "required": True, "type": "long", "doc": "comment"}, | |
| {"id": 3, "name": "z", "required": True, "type": "long"}, | |
| ], | |
| }, | |
| ], | |
| "current-schema-id": 2, | |
| "default-spec-id": 0, | |
| "partition-specs": [{"spec-id": 0, "fields": [{"name": "x", "transform": "identity", "source-id": 1, "field-id": 1000}]}], | |
| "last-partition-id": 1000, | |
| "default-sort-order-id": 0, | |
| "properties": {}, | |
| "current-snapshot-id": -1, | |
| "snapshots": [], | |
| } | |
| with pytest.raises(ValidationError) as exc_info: | |
| TableMetadataUtil.parse_raw(json.dumps(table_metadata_schema_not_found)) | |
| assert "current-schema-id 2 can't be found in the schemas" in str(exc_info.value) | |
| def test_sort_order_not_found() -> None: | |
| """Test that we raise an exception when the schema can't be found""" | |
| table_metadata_schema_not_found = { | |
| "format-version": 2, | |
| "table-uuid": "d20125c8-7284-442c-9aea-15fee620737c", | |
| "location": "s3://bucket/test/location", | |
| "last-updated-ms": 1602638573874, | |
| "last-column-id": 3, | |
| "schemas": [ | |
| { | |
| "type": "struct", | |
| "schema-id": 0, | |
| "identifier-field-ids": [1, 2], | |
| "fields": [ | |
| {"id": 1, "name": "x", "required": True, "type": "long"}, | |
| {"id": 2, "name": "y", "required": True, "type": "long", "doc": "comment"}, | |
| {"id": 3, "name": "z", "required": True, "type": "long"}, | |
| ], | |
| }, | |
| ], | |
| "default-sort-order-id": 4, | |
| "sort-orders": [ | |
| { | |
| "order-id": 3, | |
| "fields": [ | |
| {"transform": "identity", "source-id": 2, "direction": "asc", "null-order": "nulls-first"}, | |
| {"transform": "bucket[4]", "source-id": 3, "direction": "desc", "null-order": "nulls-last"}, | |
| ], | |
| } | |
| ], | |
| "current-schema-id": 0, | |
| "default-spec-id": 0, | |
| "partition-specs": [{"spec-id": 0, "fields": [{"name": "x", "transform": "identity", "source-id": 1, "field-id": 1000}]}], | |
| "last-partition-id": 1000, | |
| "properties": {}, | |
| "current-snapshot-id": -1, | |
| "snapshots": [], | |
| } | |
| with pytest.raises(ValidationError) as exc_info: | |
| TableMetadataUtil.parse_raw(json.dumps(table_metadata_schema_not_found)) | |
| assert "default-sort-order-id 4 can't be found" in str(exc_info.value) | |
| def test_sort_order_unsorted() -> None: | |
| """Test that we raise an exception when the schema can't be found""" | |
| table_metadata_schema_not_found = { | |
| "format-version": 2, | |
| "table-uuid": "d20125c8-7284-442c-9aea-15fee620737c", | |
| "location": "s3://bucket/test/location", | |
| "last-updated-ms": 1602638573874, | |
| "last-column-id": 3, | |
| "schemas": [ | |
| { | |
| "type": "struct", | |
| "schema-id": 0, | |
| "identifier-field-ids": [1, 2], | |
| "fields": [ | |
| {"id": 1, "name": "x", "required": True, "type": "long"}, | |
| {"id": 2, "name": "y", "required": True, "type": "long", "doc": "comment"}, | |
| {"id": 3, "name": "z", "required": True, "type": "long"}, | |
| ], | |
| }, | |
| ], | |
| "default-sort-order-id": 0, | |
| "sort-orders": [], | |
| "current-schema-id": 0, | |
| "default-spec-id": 0, | |
| "partition-specs": [{"spec-id": 0, "fields": [{"name": "x", "transform": "identity", "source-id": 1, "field-id": 1000}]}], | |
| "last-partition-id": 1000, | |
| "properties": {}, | |
| "current-snapshot-id": -1, | |
| "snapshots": [], | |
| } | |
| table_metadata = TableMetadataUtil.parse_raw(json.dumps(table_metadata_schema_not_found)) | |
| # Most important here is that we correctly handle sort-order-id 0 | |
| assert len(table_metadata.sort_orders) == 0 | |
| def test_invalid_partition_spec() -> None: | |
| table_metadata_spec_not_found = { | |
| "format-version": 2, | |
| "table-uuid": "9c12d441-03fe-4693-9a96-a0705ddf69c1", | |
| "location": "s3://bucket/test/location", | |
| "last-sequence-number": 34, | |
| "last-updated-ms": 1602638573590, | |
| "last-column-id": 3, | |
| "current-schema-id": 1, | |
| "schemas": [ | |
| {"type": "struct", "schema-id": 0, "fields": [{"id": 1, "name": "x", "required": True, "type": "long"}]}, | |
| { | |
| "type": "struct", | |
| "schema-id": 1, | |
| "identifier-field-ids": [1, 2], | |
| "fields": [ | |
| {"id": 1, "name": "x", "required": True, "type": "long"}, | |
| {"id": 2, "name": "y", "required": True, "type": "long", "doc": "comment"}, | |
| {"id": 3, "name": "z", "required": True, "type": "long"}, | |
| ], | |
| }, | |
| ], | |
| "sort-orders": [], | |
| "default-sort-order-id": 0, | |
| "default-spec-id": 1, | |
| "partition-specs": [{"spec-id": 0, "fields": [{"name": "x", "transform": "identity", "source-id": 1, "field-id": 1000}]}], | |
| "last-partition-id": 1000, | |
| } | |
| with pytest.raises(ValidationError) as exc_info: | |
| TableMetadataUtil.parse_raw(json.dumps(table_metadata_spec_not_found)) | |
| assert "default-spec-id 1 can't be found" in str(exc_info.value) | |
| def test_v1_writing_metadata(example_table_metadata_v1: Dict[str, Any]) -> None: | |
| """ | |
| https://iceberg.apache.org/spec/#version-2 | |
| Writing v1 metadata: | |
| - Table metadata field last-sequence-number should not be written | |
| """ | |
| table_metadata = TableMetadataV1(**example_table_metadata_v1) | |
| metadata_v1_json = table_metadata.model_dump_json() | |
| metadata_v1 = json.loads(metadata_v1_json) | |
| assert "last-sequence-number" not in metadata_v1 | |
| def test_v1_metadata_for_v2(example_table_metadata_v1: Dict[str, Any]) -> None: | |
| """ | |
| https://iceberg.apache.org/spec/#version-2 | |
| Reading v1 metadata for v2: | |
| - Table metadata field last-sequence-number must default to 0 | |
| """ | |
| table_metadata = TableMetadataV1(**example_table_metadata_v1).to_v2() | |
| assert table_metadata.last_sequence_number == 0 | |
| def test_v1_write_metadata_for_v2() -> None: | |
| """ | |
| https://iceberg.apache.org/spec/#version-2 | |
| Table metadata JSON: | |
| - last-sequence-number was added and is required; default to 0 when reading v1 metadata | |
| - table-uuid is now required | |
| - current-schema-id is now required | |
| - schemas is now required | |
| - partition-specs is now required | |
| - default-spec-id is now required | |
| - last-partition-id is now required | |
| - sort-orders is now required | |
| - default-sort-order-id is now required | |
| - schema is no longer required and should be omitted; use schemas and current-schema-id instead | |
| - partition-spec is no longer required and should be omitted; use partition-specs and default-spec-id instead | |
| """ | |
| minimal_example_v1 = { | |
| "format-version": 1, | |
| "location": "s3://bucket/test/location", | |
| "last-updated-ms": 1602638573874, | |
| "last-column-id": 3, | |
| "schema": { | |
| "type": "struct", | |
| "fields": [ | |
| {"id": 1, "name": "x", "required": True, "type": "long"}, | |
| {"id": 2, "name": "y", "required": True, "type": "long", "doc": "comment"}, | |
| {"id": 3, "name": "z", "required": True, "type": "long"}, | |
| ], | |
| }, | |
| "partition-spec": [{"name": "x", "transform": "identity", "source-id": 1, "field-id": 1000}], | |
| "properties": {}, | |
| "current-snapshot-id": -1, | |
| "snapshots": [{"snapshot-id": 1925, "timestamp-ms": 1602638573822}], | |
| } | |
| table_metadata = TableMetadataV1(**minimal_example_v1).to_v2() | |
| metadata_v2_json = table_metadata.model_dump_json() | |
| metadata_v2 = json.loads(metadata_v2_json) | |
| assert metadata_v2["last-sequence-number"] == 0 | |
| assert UUID(metadata_v2["table-uuid"]) is not None | |
| assert metadata_v2["current-schema-id"] == 0 | |
| assert metadata_v2["schemas"] == [ | |
| { | |
| "fields": [ | |
| {"id": 1, "name": "x", "required": True, "type": "long"}, | |
| {"doc": "comment", "id": 2, "name": "y", "required": True, "type": "long"}, | |
| {"id": 3, "name": "z", "required": True, "type": "long"}, | |
| ], | |
| "identifier-field-ids": [], | |
| "schema-id": 0, | |
| "type": "struct", | |
| } | |
| ] | |
| assert metadata_v2["partition-specs"] == [ | |
| { | |
| "spec-id": 0, | |
| "fields": [{"name": "x", "transform": "identity", "source-id": 1, "field-id": 1000}], | |
| } | |
| ] | |
| assert metadata_v2["default-spec-id"] == 0 | |
| assert metadata_v2["last-partition-id"] == 1000 | |
| assert metadata_v2["sort-orders"] == [{"order-id": 0, "fields": []}] | |
| assert metadata_v2["default-sort-order-id"] == 0 | |
| # Deprecated fields | |
| assert "schema" not in metadata_v2 | |
| assert "partition-spec" not in metadata_v2 | |
| def test_v2_ref_creation(example_table_metadata_v2: Dict[str, Any]) -> None: | |
| table_metadata = TableMetadataV2(**example_table_metadata_v2) | |
| assert table_metadata.refs == { | |
| "main": SnapshotRef( | |
| snapshot_id=3055729675574597004, | |
| snapshot_ref_type=SnapshotRefType.BRANCH, | |
| min_snapshots_to_keep=None, | |
| max_snapshot_age_ms=None, | |
| max_ref_age_ms=None, | |
| ), | |
| "test": SnapshotRef( | |
| snapshot_id=3051729675574597004, | |
| snapshot_ref_type=SnapshotRefType.TAG, | |
| min_snapshots_to_keep=None, | |
| max_snapshot_age_ms=None, | |
| max_ref_age_ms=10000000, | |
| ), | |
| } | |
| def test_metadata_v1() -> None: | |
| valid_v1 = { | |
| "format-version": 1, | |
| "table-uuid": "bf289591-dcc0-4234-ad4f-5c3eed811a29", | |
| "location": "s3://tabular-wh-us-west-2-dev/8bcb0838-50fc-472d-9ddb-8feb89ef5f1e/bf289591-dcc0-4234-ad4f-5c3eed811a29", | |
| "last-updated-ms": 1657810967051, | |
| "last-column-id": 3, | |
| "schema": { | |
| "type": "struct", | |
| "schema-id": 0, | |
| "identifier-field-ids": [2], | |
| "fields": [ | |
| {"id": 1, "name": "foo", "required": False, "type": "string"}, | |
| {"id": 2, "name": "bar", "required": True, "type": "int"}, | |
| {"id": 3, "name": "baz", "required": False, "type": "boolean"}, | |
| ], | |
| }, | |
| "current-schema-id": 0, | |
| "schemas": [ | |
| { | |
| "type": "struct", | |
| "schema-id": 0, | |
| "identifier-field-ids": [2], | |
| "fields": [ | |
| {"id": 1, "name": "foo", "required": False, "type": "string"}, | |
| {"id": 2, "name": "bar", "required": True, "type": "int"}, | |
| {"id": 3, "name": "baz", "required": False, "type": "boolean"}, | |
| ], | |
| } | |
| ], | |
| "partition-spec": [], | |
| "default-spec-id": 0, | |
| "partition-specs": [{"spec-id": 0, "fields": []}], | |
| "last-partition-id": 999, | |
| "default-sort-order-id": 0, | |
| "sort-orders": [{"order-id": 0, "fields": []}], | |
| "properties": { | |
| "write.delete.parquet.compression-codec": "zstd", | |
| "write.metadata.compression-codec": "gzip", | |
| "write.summary.partition-limit": "100", | |
| "write.parquet.compression-codec": "zstd", | |
| }, | |
| "current-snapshot-id": -1, | |
| "refs": {}, | |
| "snapshots": [], | |
| "snapshot-log": [], | |
| "metadata-log": [], | |
| } | |
| TableMetadataV1(**valid_v1) | |
| def test_make_metadata_fresh() -> None: | |
| schema = Schema( | |
| NestedField(field_id=10, name="foo", field_type=StringType(), required=False), | |
| NestedField(field_id=22, name="bar", field_type=IntegerType(), required=True), | |
| NestedField(field_id=33, name="baz", field_type=BooleanType(), required=False), | |
| NestedField( | |
| field_id=41, | |
| name="qux", | |
| field_type=ListType(element_id=56, element_type=StringType(), element_required=True), | |
| required=True, | |
| ), | |
| NestedField( | |
| field_id=6, | |
| name="quux", | |
| field_type=MapType( | |
| key_id=77, | |
| key_type=StringType(), | |
| value_id=88, | |
| value_type=MapType(key_id=91, key_type=StringType(), value_id=102, value_type=IntegerType(), value_required=True), | |
| value_required=True, | |
| ), | |
| required=True, | |
| ), | |
| NestedField( | |
| field_id=113, | |
| name="location", | |
| field_type=ListType( | |
| element_id=124, | |
| element_type=StructType( | |
| NestedField(field_id=132, name="latitude", field_type=FloatType(), required=False), | |
| NestedField(field_id=143, name="longitude", field_type=FloatType(), required=False), | |
| ), | |
| element_required=True, | |
| ), | |
| required=True, | |
| ), | |
| NestedField( | |
| field_id=155, | |
| name="person", | |
| field_type=StructType( | |
| NestedField(field_id=169, name="name", field_type=StringType(), required=False), | |
| NestedField(field_id=178, name="age", field_type=IntegerType(), required=True), | |
| ), | |
| required=False, | |
| ), | |
| schema_id=10, | |
| identifier_field_ids=[22], | |
| ) | |
| partition_spec = PartitionSpec( | |
| PartitionField(source_id=22, field_id=1022, transform=IdentityTransform(), name="bar"), spec_id=10 | |
| ) | |
| sort_order = SortOrder( | |
| SortField(source_id=10, transform=IdentityTransform(), direction=SortDirection.ASC, null_order=NullOrder.NULLS_LAST), | |
| order_id=10, | |
| ) | |
| actual = new_table_metadata( | |
| schema=schema, partition_spec=partition_spec, sort_order=sort_order, location="s3://", properties={} | |
| ) | |
| expected = TableMetadataV2( | |
| location="s3://", | |
| table_uuid=actual.table_uuid, | |
| last_updated_ms=actual.last_updated_ms, | |
| last_column_id=17, | |
| schemas=[ | |
| Schema( | |
| NestedField(field_id=1, name="foo", field_type=StringType(), required=False), | |
| NestedField(field_id=2, name="bar", field_type=IntegerType(), required=True), | |
| NestedField(field_id=3, name="baz", field_type=BooleanType(), required=False), | |
| NestedField( | |
| field_id=4, | |
| name="qux", | |
| field_type=ListType(type="list", element_id=8, element_type=StringType(), element_required=True), | |
| required=True, | |
| ), | |
| NestedField( | |
| field_id=5, | |
| name="quux", | |
| field_type=MapType( | |
| type="map", | |
| key_id=9, | |
| key_type=StringType(), | |
| value_id=10, | |
| value_type=MapType( | |
| type="map", | |
| key_id=11, | |
| key_type=StringType(), | |
| value_id=12, | |
| value_type=IntegerType(), | |
| value_required=True, | |
| ), | |
| value_required=True, | |
| ), | |
| required=True, | |
| ), | |
| NestedField( | |
| field_id=6, | |
| name="location", | |
| field_type=ListType( | |
| type="list", | |
| element_id=13, | |
| element_type=StructType( | |
| NestedField(field_id=14, name="latitude", field_type=FloatType(), required=False), | |
| NestedField(field_id=15, name="longitude", field_type=FloatType(), required=False), | |
| ), | |
| element_required=True, | |
| ), | |
| required=True, | |
| ), | |
| NestedField( | |
| field_id=7, | |
| name="person", | |
| field_type=StructType( | |
| NestedField(field_id=16, name="name", field_type=StringType(), required=False), | |
| NestedField(field_id=17, name="age", field_type=IntegerType(), required=True), | |
| ), | |
| required=False, | |
| ), | |
| schema_id=0, | |
| identifier_field_ids=[2], | |
| ) | |
| ], | |
| current_schema_id=0, | |
| partition_specs=[PartitionSpec(PartitionField(source_id=2, field_id=1000, transform=IdentityTransform(), name="bar"))], | |
| default_spec_id=0, | |
| last_partition_id=1000, | |
| properties={}, | |
| current_snapshot_id=None, | |
| snapshots=[], | |
| snapshot_log=[], | |
| metadata_log=[], | |
| sort_orders=[ | |
| SortOrder( | |
| SortField( | |
| source_id=1, transform=IdentityTransform(), direction=SortDirection.ASC, null_order=NullOrder.NULLS_LAST | |
| ), | |
| order_id=1, | |
| ) | |
| ], | |
| default_sort_order_id=1, | |
| refs={}, | |
| format_version=2, | |
| last_sequence_number=0, | |
| ) | |
| assert actual.model_dump() == expected.model_dump() | |