Crate eventql_parser 

EventQL parser library for parsing event sourcing query language.

This library provides a complete lexer and parser for EventQL (EQL), a query language designed for event sourcing systems. It allows you to parse EQL query strings into an abstract syntax tree (AST) that can be analyzed or executed.

Modules

arena

prelude

Convenience module that re-exports all public types and functions.

Structs

Access

Field access expression (e.g., e.data.price).

App

Function application (e.g., sum(e.price), count()).

Attrs

Attributes attached to each expression node.

Binary

Binary operation (e.g., a + b, x == y, p AND q).

Binding

A source binding. A name attached to a source of events.

EventTypeBuilder

Builder for configuring event type information on a SessionBuilder.

EventTypeRecordBuilder

Builder for defining the fields of a record-shaped event type.

ExprKey

Internal hash key for an expression to provide structural equality.

ExprPtr

Internal pointer to an expression in the arena.

ExprRef

A reference to an expression stored in an ExprArena.

Field

A field in a record literal (e.g., {name: "Alice", age: 30}).

FunArgsBuilder

Builder for function argument specifications.

GroupBy

GROUP BY clause specification

OrderBy

ORDER BY clause specification.

Pos

Position information for source code locations.

Query

A complete EventQL query.

Raw

Represents the state of a query that only has a valid syntax. There are no guarantee that all the variables exists or that the query is sound. For example, if the user is asking for an event that has field that should be a string or a number at the same time.

RecRef

A reference to a vector of record fields stored in the ExprArena.

Session

Session is the main entry point for parsing and analyzing EventQL queries.

SessionBuilder

SessionBuilder is a builder for Session objects.

Source

A data source in a FROM clause.

StrRef

A reference to a string stored in the StringArena.

Unary

Unary operation (e.g., -x, NOT active).

VecRef

A reference to a vector of expressions stored in the ExprArena.

Enums

Limit

Result set limit specification.

Order

Sort order direction.

SourceKind

The kind of data source.

Type

Type information for expressions.

Value

The kind of value an expression represents.

Type Aliases

Result

A specialized Result type for EventQL parser operations.