Module order_analyzer 

ORDER BY analysis for streaming SQL queries

Extracts ORDER BY metadata from SQL AST, classifies streaming safety, and rejects unsafe patterns (unbounded ORDER BY without LIMIT).

Structs

OrderAnalysis

Result of analyzing ORDER BY in a SQL query.

OrderColumn

A column referenced in ORDER BY.

Enums

OrderPattern

Classification of ORDER BY pattern for streaming safety.

RankType

Type of ranking function used in a per-group top-K pattern.

Functions

analyze_order_by

Analyzes a SQL statement for ORDER BY patterns.

is_order_satisfied

Checks whether a given ordering is satisfied by a source’s declared ordering.