SQLFunctionStandardDeviation (arcadedb-engine 23.11.1 API)

java.lang.Object
- com.arcadedb.query.sql.function.SQLFunctionAbstract
- - com.arcadedb.query.sql.function.math.SQLFunctionVariance
  - - com.arcadedb.query.sql.function.math.SQLFunctionStandardDeviation

All Implemented Interfaces:

SQLFunction
```
public class SQLFunctionStandardDeviation
extends SQLFunctionVariance
```
Compute the standard deviation for a given field.

Author:

Fabrizio Fortino

Field Summary

Fields
Modifier and Type Field Description

static String NAME
- Fields inherited from class com.arcadedb.query.sql.function.SQLFunctionAbstract
  name

Constructor Summary

Constructors
Constructor Description

SQLFunctionStandardDeviation()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Object`	`getResult()`	Only called when function aggregates results after all records have been passed to the function.
`String`	`getSyntax()`	Returns a convenient SQL String representation of the function.

Methods inherited from class com.arcadedb.query.sql.function.math.SQLFunctionVariance
aggregateResults, execute

Methods inherited from class com.arcadedb.query.sql.function.SQLFunctionAbstract
config, getName, toString

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

- Field Detail
  - NAME
```
public static final String NAME
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - SQLFunctionStandardDeviation
```
public SQLFunctionStandardDeviation()
```
- Method Detail
  - getResult
```
public Object getResult()
```
    Description copied from interface: SQLFunction
    
    Only called when function aggregates results after all records have been passed to the function.
    
    Specified by:
    
    getResult in interface SQLFunction
    
    Overrides:
    
    getResult in class SQLFunctionVariance
    
    Returns:
    
    Aggregation result
  - getSyntax
```
public String getSyntax()
```
    Description copied from interface: SQLFunction
    Returns a convenient SQL String representation of the function.
    Example :
    myFunction( param1, param2, [optionalParam3])
    
    This text will be used in exception messages.
    Specified by:
    
    getSyntax in interface SQLFunction
    
    Overrides:
    
    getSyntax in class SQLFunctionVariance
    
    Returns:
    
    String , never null.