Package com.exasol.adapter.sql

Class SqlNode

java.lang.Object

com.exasol.adapter.sql.SqlNode

Direct Known Subclasses:

SqlColumn, SqlExpressionList, SqlFunctionAggregate, SqlFunctionAggregateGroupConcat, SqlFunctionAggregateListagg, SqlFunctionScalar, SqlFunctionScalarCase, SqlFunctionScalarCast, SqlFunctionScalarExtract, SqlFunctionScalarJsonValue, SqlJoin, SqlLimit, SqlLiteralBool, SqlLiteralDate, SqlLiteralDouble, SqlLiteralExactnumeric, SqlLiteralInterval, SqlLiteralNull, SqlLiteralString, SqlLiteralTimestamp, SqlLiteralTimestampUtc, SqlOrderBy, SqlPredicate, SqlStatement, SqlTable

public abstract class SqlNode
extends Object

Node in a graph representing a SQL query.

Constructor Summary

Constructors

Constructor	Description
SqlNode()

Method Summary

Modifier and Type	Method	Description
abstract <R> R	accept(SqlNodeVisitor<R> visitor)	See SqlNodeVisitor
SqlNode	getParent()	Gets parent.
abstract SqlNodeType	getType()	Gets type.
boolean	hasParent()	Has parent boolean.
void	setParent(SqlNode parent)	Sets parent.

Methods inherited from class java.lang.Object

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

Constructor Detail

SqlNode

public SqlNode()

Method Detail

getType

public abstract SqlNodeType getType()

Gets type.

Returns:

the type

getParent

public SqlNode getParent()

Gets parent.

Returns:

the parent

setParent

public void setParent(SqlNode parent)

Sets parent.

Parameters:

parent - the parent

hasParent

public boolean hasParent()

Has parent boolean.

Returns:

the boolean

accept

public abstract <R> R accept(SqlNodeVisitor<R> visitor)
                      throws AdapterException

See SqlNodeVisitor

Type Parameters:

R - generic SqlNodeVisitor type

Parameters:

visitor - The visitor object on which the appropriate visit(sqlNode) method is called

Returns:

visited object

Throws:

AdapterException - can be thrown