Module json 

JSON support for Apache Arrow.

Structs

JsonArray

A specialized array for JSON data stored as JSONB binary format

JsonValues

The values of a JSON column, readable as JSONB or as text whichever encoding they arrived in.

Enums

JsonEncoding

The Arrow representation holding a JSON field’s values.

Constants

ARROW_JSON_EXT_NAME

Arrow extension type name for JSON data (Arrow official)

JSON_EXT_NAME

Arrow extension type name for JSON data (Lance internal)

Functions

arrow_json_to_lance_json

Convert an Arrow JSON field to Lance JSON field (with JSONB storage)

convert_json_columns

Convert a RecordBatch with Arrow JSON columns to Lance JSON format (JSONB)

convert_lance_json_to_arrow

Convert a RecordBatch with Lance JSON columns (JSONB) back to Arrow JSON format (strings)

decode_json

Decode JSONB bytes to JSON string

encode_json

Encode JSON string to JSONB format

has_arrow_json_fields

Check if a field or any of its descendants is an Arrow JSON field

has_json_fields

Check if a field or any of its descendants is a JSON field

is_arrow_json_field

Check if a field is an Arrow JSON extension field (PyArrow pa.json() type)

is_json_field

Check if a field is a JSON extension field (Lance internal JSONB storage)

json_field

Create a JSON field with the appropriate extension metadata

json_path_exists

Whether path matches any value in a JSONB value.

lance_json_to_arrow_json

Convert a Lance JSON field to Arrow JSON field.

parse_json_path

Parse a JSONPath expression.

select_json_path

Select the value at path in a JSONB value.

select_json_path_values

Select every value matched by path in a JSONB value.