Package dev.hardwood.schema

package dev.hardwood.schema

High-level Parquet schema types with computed definition and repetition levels.

FileSchema is the main entry point, providing both a flat list of columns and a hierarchical tree representation.

See Also:

• File Format – Nested Encoding
• parquet.thrift

Related Packages

Package	Description
dev.hardwood	Core entry points for reading Parquet files.

Class	Description
ColumnProjection	Specifies which columns to read from a Parquet file.
ColumnSchema	Represents a primitive column in a Parquet schema.
FileSchema	Root schema container representing the complete Parquet schema.
FileSchema.Builder	Builder for constructing a FileSchema programmatically.
FileSchema.ElementBuilder	Declares the element of a LIST, or the value of a MAP: a primitive, a nested struct, a nested LIST, or a nested MAP.
FileSchema.StructBuilder	Declares the fields of a struct group.
SchemaNode	Tree-based representation of Parquet schema for nested data support.
SchemaNode.GroupNode	Group node representing a struct, list, map, or variant.
SchemaNode.PrimitiveNode	Primitive leaf node representing an actual data column.