v0.52.0

0.52.0 (2025-03-30)

⚠ BREAKING CHANGES

• spark: root names for plans now include nested names
• type derivation for Set now matches spec
• type derivation for Join now handles ANTI and SEMI
• validate and refine ScalarSubquery return type during proto conversion
• set nullability of aggregate references and groupings coming from Spark

Features

• add unquotedcasing option to Isthmus CLI (#351) (f859c2e)
• isthmus: add support for scalar subqueries (#353) (5b12f9b)
• isthmus: support exists and unique set predicates (#354) (424e8b3)
• spark: support for Struct types and literals (#342) (f27004a)
• spark: support merged structures (#346) (9e4afb9)

Bug Fixes

• added protobuf roundtrip testing to Spark and fixed surfaced issued (#315) (fd74922)