SqlNode (Common module of Exasol Virtual Schemas Adapters 12.0.0 API)

java.lang.Object
- com.exasol.adapter.sql.SqlNode

Direct Known Subclasses:

SqlColumn, SqlExpressionList, SqlFunctionAggregate, SqlFunctionAggregateGroupConcat, 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

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract <R> R`	`accept(SqlNodeVisitor<R> visitor)`	See `SqlNodeVisitor`
`SqlNode`	`getParent()`
`abstract SqlNodeType`	`getType()`
`boolean`	`hasParent()`
`void`	`setParent(SqlNode 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()
```
  - setParent
```
public void setParent(SqlNode parent)
```
  - getParent
```
public SqlNode getParent()
```
  - hasParent
```
public boolean hasParent()
```
  - 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