Module ast 

SQL Abstract Syntax Tree

Represents parsed SQL statements as a tree structure.

Structs

AlterTableStmt

ALTER TABLE statement

Assignment

Assignment: column = expr

BeginStmt

BEGIN statement

ColumnDef

Column definition

ColumnRef

Column reference

CreateIndexStmt

CREATE INDEX statement

CreateTableStmt

CREATE TABLE statement

DeleteStmt

DELETE statement

DropIndexStmt

DROP INDEX statement

DropTableStmt

DROP TABLE statement

FromClause

FROM clause

FunctionCall

Function call

IndexColumn

InsertStmt

INSERT statement

ObjectName

Object name (potentially qualified: schema.table)

OnConflict

ON CONFLICT clause

OrderByItem

ORDER BY item

SelectStmt

SELECT statement

TableOption

Table options (ENGINE, CHARSET, etc.)

UpdateStmt

UPDATE statement

WindowFrame

WindowSpec

Window specification for window functions

Enums

AlterColumnOp

AlterTableOp

BinaryOperator

Binary operators

ColumnConstraint

Column constraints

ConflictAction

ConflictTarget

DataType

SQL Data types

Expr

Expression

IndexType

InsertSource

Source of INSERT data

IsolationLevel

JoinCondition

Join condition

JoinType

Join types

Literal

Literal values

ReferentialAction

SelectItem

Items in SELECT clause

SetOp

Set operations (UNION, INTERSECT, EXCEPT)

Statement

Top-level SQL statement

TableConstraint

Table-level constraints

TableRef

Table reference in FROM clause

UnaryOperator

Unary operators

VectorMetric

Vector distance metrics (SochDB extension)

WindowFrameBound

WindowFrameKind