Crate lutra_sql 

SQL Abstract Syntax Tree (AST) types

Structs

Assignment

SQL assignment foo = expr as used in Update

CaseWhen

A WHEN clause in a CASE expression containing both the condition and its corresponding result

Copy

Cte

A single CTE (used after WITH): <alias> [(col1, col2, ...)] AS <materialized> ( <query> ) The names in the column list before AS, when specified, replace the names of the columns returned by the query. The parser does not validate that the number of columns in the query matches the number of columns in the query.

Delete

DELETE statement.

DisplayCommaSeparated

A value that displays a comma-separated list of values. When pretty-printed (using {:#}), it displays each value on a new line.

DisplaySeparated

ExprWithAlias

An expression optionally followed by an alias.

Ident

An identifier, decomposed into its value or character data and the quote style.

Indent

A wrapper around a value that adds an indent to the value when displayed with {:#}.

Insert

INSERT statement.

Join

LateralView

A hive LATERAL VIEW with potential column aliases

ObjectName

A name of a table, view, custom type, etc., possibly multi-part, i.e. db.schema.obj

OrderBy

OrderByExpr

An ORDER BY expression

OrderByOptions

Query

The most complete variant of a SELECT query expression, optionally including WITH, UNION / other set operations, and ORDER BY.

RelNamed

A table name or a parenthesized subquery with an optional alias

Select

A restricted variant of SELECT (without CTEs/ORDER BY), which may appear either as the only body item of a Query, or as an operand to a set operation like UNION.

SelectInto

SelectItem

One item of the comma-separated list following SELECT

TableAlias

Update

Values

With

Enums

AssignmentTarget

Left-hand side of an assignment in an UPDATE statement, e.g. foo in foo = 5 (ColumnName assignment) or (a, b) in (a, b) = (1, 2) (Tuple assignment).

CteAsMaterialized

Distinct

Expr

An SQL expression of any type.

JoinConstraint

JoinOperator

OrderByKind

RelExpr

SetExpr

A node in a tree, representing a “query body” expression, roughly: SELECT ... [ {UNION|EXCEPT|INTERSECT} SELECT ...]

SetOperator

SetQuantifier

A quantifier for SetOperator.

TableVersion

Functions

display_comma_separated

display_separated

escape_string