Package io.trino.sql.planner

Class ExpressionInterpreter

java.lang.Object

io.trino.sql.planner.ExpressionInterpreter

public class ExpressionInterpreter
extends Object

Constructor Summary

Constructors

Constructor	Description
ExpressionInterpreter(Expression expression, PlannerContext plannerContext, Session session, Map<NodeRef<Expression>,Type> expressionTypes)

Method Summary

Modifier and Type	Method	Description
Object	evaluate()
Object	evaluate(SymbolResolver inputs)
static Object	evaluateConstantExpression(Expression expression, Type expectedType, PlannerContext plannerContext, Session session, AccessControl accessControl, Map<NodeRef<Parameter>,Expression> parameters)
static Object	evaluateConstantExpression(Expression expression, Map<NodeRef<Expression>,Type> coercions, Set<NodeRef<Expression>> typeOnlyCoercions, PlannerContext plannerContext, Session session, AccessControl accessControl, Set<NodeRef<Expression>> columnReferences, Map<NodeRef<Parameter>,Expression> parameters)
Type	getType()
Object	optimize(SymbolResolver inputs)

Methods inherited from class java.lang.Object

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

Constructor Details

ExpressionInterpreter

public ExpressionInterpreter(Expression expression,
 PlannerContext plannerContext,
 Session session,
 Map<NodeRef<Expression>,Type> expressionTypes)

Method Details

evaluateConstantExpression

public static Object evaluateConstantExpression(Expression expression,
 Type expectedType,
 PlannerContext plannerContext,
 Session session,
 AccessControl accessControl,
 Map<NodeRef<Parameter>,Expression> parameters)

evaluateConstantExpression

public static Object evaluateConstantExpression(Expression expression,
 Map<NodeRef<Expression>,Type> coercions,
 Set<NodeRef<Expression>> typeOnlyCoercions,
 PlannerContext plannerContext,
 Session session,
 AccessControl accessControl,
 Set<NodeRef<Expression>> columnReferences,
 Map<NodeRef<Parameter>,Expression> parameters)

getType

public Type getType()

evaluate

public Object evaluate()

evaluate

public Object evaluate(SymbolResolver inputs)

optimize

public Object optimize(SymbolResolver inputs)