TagFilter (Apache Derby V10.14 Internals)

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java.lang.Object
- org.apache.derby.iapi.sql.compile.TagFilter

All Implemented Interfaces:

VisitableFilter
```
public class TagFilter
extends java.lang.Object
implements VisitableFilter
```
Filter which passes Visitables which have been marked with a given tag.

Field Summary

Fields
Modifier and Type	Field	Description
`private java.lang.String`	`_tag`
`static java.lang.String`	`NEED_PRIVS_FOR_UPDATE_STMT`	Tag placed on QueryTreeNodes which need privilege checks for UPDATE statements
`static java.lang.String`	`ORIG_UPDATE_COL`	Tag placed on the original ColumnReferences in an UPDATE, before unreferenced columns are added

Constructor Summary

Constructors
Constructor Description

TagFilter(java.lang.String tag)
Construct a filter for the given tag.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

boolean accept(Visitable visitable)
Return true if the Visitable passes the filter.
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - NEED_PRIVS_FOR_UPDATE_STMT
```
public static final java.lang.String NEED_PRIVS_FOR_UPDATE_STMT
```
    Tag placed on QueryTreeNodes which need privilege checks for UPDATE statements
    
    See Also:
    
    Constant Field Values
  - ORIG_UPDATE_COL
```
public static final java.lang.String ORIG_UPDATE_COL
```
    Tag placed on the original ColumnReferences in an UPDATE, before unreferenced columns are added
    
    See Also:
    
    Constant Field Values
  - _tag
```
private java.lang.String _tag
```
- Constructor Detail
  - TagFilter
```
public TagFilter(java.lang.String tag)
```
    Construct a filter for the given tag.
- Method Detail
  - accept
```
public boolean accept(Visitable visitable)
               throws StandardException
```
    Description copied from interface: VisitableFilter
    
    Return true if the Visitable passes the filter.
    
    Specified by:
    
    accept in interface VisitableFilter
    
    Throws:
    
    StandardException

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Built on Wed 2018-05-16 16:01:03+0000, from revision ???

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Apache Derby V10.14 Internals - Copyright © 2004,2018 The Apache Software Foundation. All Rights Reserved.