Package io.trino.sql.ir

Class IrUtils

java.lang.Object

io.trino.sql.ir.IrUtils

public final class IrUtils
extends Object

Method Summary

Modifier and Type	Method	Description
static Expression	and(Expression... expressions)
static Expression	and(Collection<Expression> expressions)
static Expression	combineConjuncts(Expression... expressions)
static Expression	combineConjuncts(Collection<Expression> expressions)
static Expression	combineConjunctsWithDuplicates(Collection<Expression> expressions)
static Expression	combineDisjuncts(Expression... expressions)
static Expression	combineDisjuncts(Collection<Expression> expressions)
static Expression	combineDisjunctsWithDefault(Collection<Expression> expressions, Expression emptyDefault)
static Expression	combinePredicates(Logical.Operator operator, Collection<Expression> expressions)
static Function<Expression,Expression>	expressionOrNullSymbols(Predicate<Symbol>... nullSymbolScopes)
static List<Expression>	extractConjuncts(Expression expression)
static List<Expression>	extractDisjuncts(Expression expression)
static List<Expression>	extractPredicates(Logical expression)
static List<Expression>	extractPredicates(Logical.Operator operator, Expression expression)
static Expression	filterConjuncts(Expression expression, Predicate<Expression> predicate)
static Expression	filterDeterministicConjuncts(Expression expression)
static Expression	filterNonDeterministicConjuncts(Expression expression)
static Expression	logicalExpression(Logical.Operator operator, Collection<Expression> expressions)
static Expression	or(Expression... expressions)
static Expression	or(Collection<Expression> expressions)
static Stream<Expression>	preOrder(Expression node)

Methods inherited from class java.lang.Object

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

Method Details

extractConjuncts

public static List<Expression> extractConjuncts(Expression expression)

extractDisjuncts

public static List<Expression> extractDisjuncts(Expression expression)

extractPredicates

public static List<Expression> extractPredicates(Logical expression)

extractPredicates

public static List<Expression> extractPredicates(Logical.Operator operator,
 Expression expression)

and

public static Expression and(Expression... expressions)

and

public static Expression and(Collection<Expression> expressions)

or

public static Expression or(Expression... expressions)

or

public static Expression or(Collection<Expression> expressions)

logicalExpression

public static Expression logicalExpression(Logical.Operator operator,
 Collection<Expression> expressions)

combinePredicates

public static Expression combinePredicates(Logical.Operator operator,
 Collection<Expression> expressions)

combineConjuncts

public static Expression combineConjuncts(Expression... expressions)

combineConjuncts

public static Expression combineConjuncts(Collection<Expression> expressions)

combineConjunctsWithDuplicates

public static Expression combineConjunctsWithDuplicates(Collection<Expression> expressions)

combineDisjuncts

public static Expression combineDisjuncts(Expression... expressions)

combineDisjuncts

public static Expression combineDisjuncts(Collection<Expression> expressions)

combineDisjunctsWithDefault

public static Expression combineDisjunctsWithDefault(Collection<Expression> expressions,
 Expression emptyDefault)

filterDeterministicConjuncts

public static Expression filterDeterministicConjuncts(Expression expression)

filterNonDeterministicConjuncts

public static Expression filterNonDeterministicConjuncts(Expression expression)

filterConjuncts

public static Expression filterConjuncts(Expression expression,
 Predicate<Expression> predicate)

expressionOrNullSymbols

@SafeVarargs
public static Function<Expression,Expression> expressionOrNullSymbols(Predicate<Symbol>... nullSymbolScopes)

preOrder

public static Stream<Expression> preOrder(Expression node)