org.aksw.sparqlify.algebra.sql.exprs

Class S_Arithmetic

java.lang.Object

org.aksw.sparqlify.algebra.sql.exprs.SqlExprBase

org.aksw.sparqlify.algebra.sql.exprs.SqlExpr2

org.aksw.sparqlify.algebra.sql.exprs.S_Arithmetic

All Implemented Interfaces:

SqlExpr

Direct Known Subclasses:

S_Add, S_Substract

public abstract class S_Arithmetic
extends SqlExpr2

Field Summary

Fields inherited from class org.aksw.sparqlify.algebra.sql.exprs.SqlExpr2

left, right

Constructor Summary

Constructors

Constructor and Description
S_Arithmetic(String symbol, SqlExpr left, SqlExpr right, SqlDatatype datatype)

Method Summary

Methods

Modifier and Type	Method and Description
String	getSymbol() If the database backend is not strange, then addition, substraction and so on work with the symbols +, -, *, / (and some other operators).

Methods inherited from class org.aksw.sparqlify.algebra.sql.exprs.SqlExpr2

getArgs, getLeft, getRight

Methods inherited from class org.aksw.sparqlify.algebra.sql.exprs.SqlExprBase

_getColumnsMentioned, asString, asString, asString, getColumnsMentioned, getDatatype, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

S_Arithmetic

public S_Arithmetic(String symbol,
            SqlExpr left,
            SqlExpr right,
            SqlDatatype datatype)

Method Detail

getSymbol

public String getSymbol()

If the database backend is not strange, then addition, substraction and so on work with the symbols +, -, *, / (and some other operators). So in this case there is no need for explicit custom serialization in SqlAlgebraToString.

Returns: