Module mz_sql::plan::transform_ast

Transformations of SQL ASTs.

Most query optimizations are performed by the dataflow layer, but some are much easier to perform in SQL. Someday, we’ll want our own SQL IR, but for now we just use the parser’s AST directly.

Structs

• Desugarer 🔒
  Removes syntax sugar to simplify the planner.
• FuncRewriter 🔒

Functions

• transform 🔒