Package io.trino.sql.planner

Class IrTypeAnalyzer

java.lang.Object

io.trino.sql.planner.IrTypeAnalyzer

public class IrTypeAnalyzer
extends Object

This class is to facilitate obtaining the type of an expression and its subexpressions during planning (i.e., when interacting with IR expression). It will eventually get removed when we split the AST from the IR and we encode the type directly into IR expressions.

Constructor Summary

Constructors

Constructor	Description
IrTypeAnalyzer(PlannerContext plannerContext)

Method Summary

Modifier and Type	Method	Description
Type	getType(Session session, TypeProvider inputTypes, Expression expression)
Map<NodeRef<Expression>,Type>	getTypes(Session session, TypeProvider inputTypes, Expression expression)
Map<NodeRef<Expression>,Type>	getTypes(Session session, TypeProvider inputTypes, Iterable<Expression> expressions)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

IrTypeAnalyzer

@Inject
public IrTypeAnalyzer(PlannerContext plannerContext)

Method Details

getTypes

public Map<NodeRef<Expression>,Type> getTypes(Session session,
 TypeProvider inputTypes,
 Iterable<Expression> expressions)

getTypes

public Map<NodeRef<Expression>,Type> getTypes(Session session,
 TypeProvider inputTypes,
 Expression expression)

getType

public Type getType(Session session,
 TypeProvider inputTypes,
 Expression expression)