Module stream_sql_ast 

Stream SQL — AST Types and Lexer

SQL-like query language for stream processing:

• Configuration types (StreamSqlConfig)
• Lexer token definitions and Lexer
• AST node types: Expression, SelectStatement, WindowSpec, etc.

Structs

ColumnDefinition

Column definition

CreateStreamStatement

CREATE STREAM statement

Lexer

Lexer for SQL tokenization

OrderByItem

ORDER BY specification

QueryResult

Query result

ResultRow

Query result row

SelectItem

SELECT column specification

SelectStatement

SELECT statement AST

StreamMetadata

Stream metadata

StreamSqlConfig

Configuration for Stream SQL engine

StreamSqlStats

Stream SQL statistics

WindowSpec

Window specification

Enums

AggregateFunction

Aggregate functions

BinaryOperator

Binary operators

DataType

SQL data types

Expression

Expression in SQL AST

FromClause

FROM clause item

JoinType

Join types

QueryType

SQL query types

SqlValue

SQL value types

Token

SQL token types for lexer

UnaryOperator

Unary operators

WindowType

Window types