SqlShuttle.CallCopyingArgHandler (Apache Calcite API)

java.lang.Object
- org.apache.calcite.sql.util.SqlShuttle.CallCopyingArgHandler

All Implemented Interfaces:

SqlBasicVisitor.ArgHandler<SqlNode>

Enclosing class:

SqlShuttle
```
protected class SqlShuttle.CallCopyingArgHandler
extends java.lang.Object
implements SqlBasicVisitor.ArgHandler<SqlNode>
```
Implementation of SqlBasicVisitor.ArgHandler that deep-copies SqlCalls and their operands.

Field Summary

Fields
Modifier and Type Field Description

private boolean alwaysCopy

private SqlCall call

(package private) SqlNode[] clonedOperands

(package private) boolean update

Constructor Summary

Constructors
Constructor Description

CallCopyingArgHandler(SqlCall call, boolean alwaysCopy)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`SqlNode`	`result()`	Returns the result of visiting all children of a call to an operator, then the call itself.
`SqlNode`	`visitChild(SqlVisitor<SqlNode> visitor, SqlNode expr, int i, SqlNode operand)`	Visits a particular operand of a call, using a given visitor.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - update
```
boolean update
```
  - clonedOperands
```
SqlNode[] clonedOperands
```
  - call
```
private final SqlCall call
```
  - alwaysCopy
```
private final boolean alwaysCopy
```
- Constructor Detail
  - CallCopyingArgHandler
```
public CallCopyingArgHandler(SqlCall call,
                             boolean alwaysCopy)
```
- Method Detail
  - result
```
public SqlNode result()
```
    Description copied from interface: SqlBasicVisitor.ArgHandler
    
    Returns the result of visiting all children of a call to an operator, then the call itself.
    Typically the result will be the result of the last child visited, or (if R is Boolean) whether all children were visited successfully.
    
    Specified by:
    
    result in interface SqlBasicVisitor.ArgHandler<SqlNode>
  - visitChild
```
public SqlNode visitChild(SqlVisitor<SqlNode> visitor,
                          SqlNode expr,
                          int i,
                          SqlNode operand)
```
    Description copied from interface: SqlBasicVisitor.ArgHandler
    
    Visits a particular operand of a call, using a given visitor.
    
    Specified by:
    
    visitChild in interface SqlBasicVisitor.ArgHandler<SqlNode>