org.apache.gravitino.rel.expressions

Interface UnparsedExpression

All Superinterfaces:

Expression

All Known Implementing Classes:

UnparsedExpression.UnparsedExpressionImpl, UnparsedExpressionDTO

@Evolving
public interface UnparsedExpression
extends Expression

Represents an expression that is not parsed yet. The parsed expression is represented by FunctionExpression, Literal or NamedReference.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	UnparsedExpression.UnparsedExpressionImpl An UnparsedExpression implementation

Field Summary

Fields inherited from interface org.apache.gravitino.rel.expressions.Expression

EMPTY_EXPRESSION, EMPTY_NAMED_REFERENCE

Method Summary

Modifier and Type	Method and Description
default Expression[]	children()
static UnparsedExpression	of(java.lang.String unparsedExpression) Creates a new UnparsedExpression with the given unparsed expression.
java.lang.String	unparsedExpression()

Methods inherited from interface org.apache.gravitino.rel.expressions.Expression

references

Method Detail

unparsedExpression

java.lang.String unparsedExpression()

Returns:

The unparsed expression as a string.

children

default Expression[] children()

Specified by:

children in interface Expression

Returns:

An array of the children of this node. Children should not change.

of

static UnparsedExpression of(java.lang.String unparsedExpression)

Creates a new UnparsedExpression with the given unparsed expression.

Parameters:

unparsedExpression - The unparsed expression

Returns:

The created UnparsedExpression