RegexpFunction

java.lang.Object
- org.h2.expression.Expression
- - org.h2.expression.OperationN
  - - org.h2.expression.function.FunctionN
    - - org.h2.expression.function.RegexpFunction

All Implemented Interfaces:

ExpressionWithVariableParameters, NamedExpression, HasSQL, Typed
```
public final class RegexpFunction
extends FunctionN
```
A regular expression function.

Field Summary

Fields
Modifier and Type	Field	Description
`static int`	`REGEXP_LIKE`	REGEXP_LIKE() (non-standard).
`static int`	`REGEXP_REPLACE`	REGEXP_REPLACE() (non-standard).
`static int`	`REGEXP_SUBSTR`	REGEXP_SUBSTR() (non-standard).

Fields inherited from class org.h2.expression.OperationN
args, argsCount, type

Fields inherited from class org.h2.expression.Expression
AUTO_PARENTHESES, MAP_IN_AGGREGATE, MAP_IN_WINDOW, MAP_INITIAL, WITH_PARENTHESES, WITHOUT_PARENTHESES

Fields inherited from interface org.h2.util.HasSQL
ADD_PLAN_INFORMATION, DEFAULT_SQL_FLAGS, NO_CASTS, QUOTE_ONLY_WHEN_REQUIRED, REPLACE_LOBS_FOR_TRACE, TRACE_SQL_FLAGS

Constructor Summary

Constructors
Constructor Description

RegexpFunction(int function)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.String`	`getName()`	Get the name.
`Value`	`getValue(SessionLocal session)`	Return the resulting value for the current row.
`Expression`	`optimize(SessionLocal session)`	Try to optimize the expression.

Methods inherited from class org.h2.expression.function.FunctionN
getUnenclosedSQL, getValue

Methods inherited from class org.h2.expression.OperationN
addParameter, doneWithParameters, getCost, getSubexpression, getSubexpressionCount, getType, inlineSubexpressions, isEverything, mapColumns, optimizeArguments, setEvaluatable, updateAggregate

Methods inherited from class org.h2.expression.Expression
addFilterConditions, createIndexConditions, getAlias, getBooleanValue, getColumnName, getColumnNameForView, getEnclosedSQL, getNonAliasExpression, getNotIfPossible, getNullable, getSchemaName, getSQL, getSQL, getSQL, getSQL, getTableAlias, getTableName, getTypeIfStaticallyKnown, getWhenSQL, getWhenValue, isConstant, isIdentity, isNullConstant, isValueSet, isWhenConditionOperand, needParentheses, optimizeCondition, toString, writeExpressions, writeExpressions

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

Methods inherited from interface org.h2.util.HasSQL
getTraceSQL

- Field Detail
  - REGEXP_LIKE
```
public static final int REGEXP_LIKE
```
    REGEXP_LIKE() (non-standard).
    
    See Also:
    
    Constant Field Values
  - REGEXP_REPLACE
```
public static final int REGEXP_REPLACE
```
    REGEXP_REPLACE() (non-standard).
    
    See Also:
    
    Constant Field Values
  - REGEXP_SUBSTR
```
public static final int REGEXP_SUBSTR
```
    REGEXP_SUBSTR() (non-standard).
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - RegexpFunction
```
public RegexpFunction(int function)
```
- Method Detail
  - getValue
```
public Value getValue(SessionLocal session)
```
    Description copied from class: Expression
    
    Return the resulting value for the current row.
    
    Overrides:
    
    getValue in class FunctionN
    
    Parameters:
    
    session - the session
    
    Returns:
    
    the result
  - optimize
```
public Expression optimize(SessionLocal session)
```
    Description copied from class: Expression
    
    Try to optimize the expression.
    
    Specified by:
    
    optimize in class Expression
    
    Parameters:
    
    session - the session
    
    Returns:
    
    the optimized expression
  - getName
```
public java.lang.String getName()
```
    Description copied from interface: NamedExpression
    
    Get the name.
    
    Returns:
    
    the name in uppercase