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from typing import List, Optional, Union |
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import pyarrow as pa |
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from pyiceberg.catalog import Catalog |
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from pyiceberg.exceptions import NoSuchTableError |
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from pyiceberg.partitioning import UNPARTITIONED_PARTITION_SPEC, PartitionSpec |
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from pyiceberg.schema import Schema |
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from pyiceberg.table import Table |
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from pyiceberg.typedef import EMPTY_DICT, Properties |
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from pyiceberg.types import ( |
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BinaryType, |
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BooleanType, |
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DateType, |
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DoubleType, |
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FixedType, |
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FloatType, |
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IntegerType, |
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LongType, |
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NestedField, |
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StringType, |
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TimestampType, |
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TimestamptzType, |
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) |
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TABLE_SCHEMA = Schema( |
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NestedField(field_id=1, name="bool", field_type=BooleanType(), required=False), |
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NestedField(field_id=2, name="string", field_type=StringType(), required=False), |
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NestedField(field_id=3, name="string_long", field_type=StringType(), required=False), |
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NestedField(field_id=4, name="int", field_type=IntegerType(), required=False), |
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NestedField(field_id=5, name="long", field_type=LongType(), required=False), |
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NestedField(field_id=6, name="float", field_type=FloatType(), required=False), |
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NestedField(field_id=7, name="double", field_type=DoubleType(), required=False), |
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NestedField(field_id=8, name="timestamp", field_type=TimestampType(), required=False), |
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NestedField(field_id=9, name="timestamptz", field_type=TimestamptzType(), required=False), |
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NestedField(field_id=10, name="date", field_type=DateType(), required=False), |
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NestedField(field_id=11, name="binary", field_type=BinaryType(), required=False), |
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NestedField(field_id=12, name="fixed", field_type=FixedType(16), required=False), |
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) |
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def _create_table( |
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session_catalog: Catalog, |
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identifier: str, |
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properties: Properties = EMPTY_DICT, |
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data: Optional[List[pa.Table]] = None, |
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partition_spec: PartitionSpec = UNPARTITIONED_PARTITION_SPEC, |
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schema: Union[Schema, "pa.Schema"] = TABLE_SCHEMA, |
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) -> Table: |
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try: |
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session_catalog.drop_table(identifier=identifier) |
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except NoSuchTableError: |
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pass |
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tbl = session_catalog.create_table(identifier=identifier, schema=schema, properties=properties, partition_spec=partition_spec) |
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if data is not None: |
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for d in data: |
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tbl.append(d) |
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return tbl |
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