Module arrow

Conversion between Iceberg and Arrow schema

Structs

• ArrowArrayAccessor
  Partner type representing accessing and walking arrow arrays alongside iceberg schema
• ArrowFileReader
  ArrowFileReader is a wrapper around a FileRead that impls parquets AsyncFileReader.
• ArrowReader
  Reads data from Parquet files
• ArrowReaderBuilder
  Builder to create ArrowReader

Constants

• DEFAULT_MAP_FIELD_NAME
  When iceberg map type convert to Arrow map type, the default map field name is “key_value”.
• UTC_TIME_ZONE
  UTC time zone for Arrow timestamp type.

Traits

• ArrowSchemaVisitor
  A post order arrow schema visitor.

Functions

• arrow_schema_to_schema
  Convert Arrow schema to Iceberg schema.
• arrow_struct_to_literal
  Convert arrow struct array to iceberg struct value array. This function will assume the schema of arrow struct array is the same as iceberg struct type.
• arrow_type_to_type
  Convert Arrow type to iceberg type.
• schema_to_arrow_schema
  Convert iceberg schema to an arrow schema.
• type_to_arrow_type
  Convert iceberg type to an arrow type.