Package com.gigaspaces.query.sql.functions

Class LeftSqlFunction

java.lang.Object

com.gigaspaces.query.sql.functions.SqlFunction

com.gigaspaces.query.sql.functions.LeftSqlFunction

public class LeftSqlFunction
extends SqlFunction

Returns a substring of a given string starting from the left

Since:

16.0.0

Author:

Tomer Shapira

Constructor Summary

Constructors

Constructor	Description
LeftSqlFunction()

Method Summary

Modifier and Type	Method	Description
Object	apply(SqlFunctionExecutionContext context)	Defines the action to be performed on the stored object.

Methods inherited from class com.gigaspaces.query.sql.functions.SqlFunction

assertNumberOfArguments, assertNumberOfArguments, fromSqlTypeName, isString, isWholeNumber

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

LeftSqlFunction

public LeftSqlFunction()

Method Details

apply

public Object apply(SqlFunctionExecutionContext context)

Description copied from class: SqlFunction

Defines the action to be performed on the stored object.

Specified by:

apply in class SqlFunction

Parameters:

context - contains one String argument and one Integer argument.

Returns:

if n > 0 the n first characters, else all characters but the last |n| charecters from t.