Module sql 

Shared SQL expressions consumed by the frontend and relational optimizer.

Syntax acceptance remains the SQL frontend’s responsibility. Keeping the representation here lets optimizer analysis avoid depending on the parser.

Structs

Expr

An owned SQL expression shared by predicates, projections and ordering.

SqlColumnRef

SqlIndexColumn

A column-only index DDL specification, independent of query order expressions.

SqlOrderItem

SqlSourceLocation

SqlSourceSpan

Contributing token locations supplied by the frontend, not an exact text slice. Zero locations represent expressions constructed without source information.

Enums

ExprKind

SqlComparisonOp

SqlFunctionArgument

SqlLikeEscape

SqlNullOrder

SqlOrderDirection

SqlValue

Type Aliases

SqlExpression

Compatibility name for the shared expression tree.

SqlPredicate

Compatibility name for expressions used in predicate positions.