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DuckLake Python SDK

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Section Navigation

  • Connecting
    • ducklake.create
    • ducklake.connect
  • Ducklake
  • Table
  • Transactions
  • Schemas & Data Types
    • Schema
    • Column
    • TableName
    • TableMetadata
    • DataType
    • Boolean
    • Int8
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    • Int64
    • Int128
    • UInt8
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    • UInt32
    • UInt64
    • UInt128
    • Float32
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    • Decimal
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    • Date
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    • TimeTz
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    • Interval
    • List
    • Struct
    • Map
    • Partitioning
    • PartitionColumn
    • SnapshotMetadata
    • MaintenanceResult
    • WriteDataFile
    • DataFileStatistics
    • ColumnStats
    • DeleteFile
    • ScanDataFile
    • ScanResult
  • Errors
    • AlreadyExistsError
    • AlreadyInitializedError
    • ImmutableDucklakeError
    • InvalidCastError
    • InvalidNullabilityChangeError
    • InvalidNullValueError
    • NotFoundError
    • NotInitializedError
    • OutdatedVersionError
    • TransactionConflictError
  • Polars Integration
    • ducklake.polars.sink_ducklake
  • DuckDB Integration
    • ducklake.duckdb.utils.fetch_result_dicts
    • ducklake.duckdb.utils.build_named_query_params
    • ducklake.duckdb.utils.parse_cleanup_path_result
    • ducklake.duckdb.utils.parse_maintenance_result
  • API Reference
  • Schemas & Data Types
  • Struct

Struct#

class ducklake.Struct(fields: Sequence[Column] | Mapping[str, DataType])[source]#

Bases: DataType

Structured data type containing named fields.

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