gudusoft.gsqlparser.ir.semantic.joinanalysis

Enum PredicateOperandKind

Object

Enum<PredicateOperandKind>

gudusoft.gsqlparser.ir.semantic.joinanalysis.PredicateOperandKind

All Implemented Interfaces:

Serializable, Comparable<PredicateOperandKind>

public enum PredicateOperandKind
extends Enum<PredicateOperandKind>

Classification of a PredicateOperand.

• COLUMN — a resolved ColumnRef.
• LITERAL — a constant ('x', 42, NULL).
• CALL — a function/expression call (lower(a.n)).
• COMPLEX — any sub-tree not classified above, preserved verbatim (via its span) and never dropped.

Introduced by join-analysis slice 162 (S1).

Enum Constant Summary

Enum Constants

Enum Constant and Description
CALL
COLUMN
COMPLEX
LITERAL

Method Summary

Modifier and Type	Method and Description
static PredicateOperandKind	valueOf(String name) Returns the enum constant of this type with the specified name.
static PredicateOperandKind[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

COLUMN

public static final PredicateOperandKind COLUMN

LITERAL

public static final PredicateOperandKind LITERAL

CALL

public static final PredicateOperandKind CALL

COMPLEX

public static final PredicateOperandKind COMPLEX

Method Detail

values

public static PredicateOperandKind[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (PredicateOperandKind c : PredicateOperandKind.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static PredicateOperandKind valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null