it.unibz.inf.ontop.answering.reformulation.generation.dialect.impl

Class DB2SQLDialectAdapter

java.lang.Object

it.unibz.inf.ontop.answering.reformulation.generation.dialect.impl.SQL99DialectAdapter

it.unibz.inf.ontop.answering.reformulation.generation.dialect.impl.DB2SQLDialectAdapter

All Implemented Interfaces:

SQLDialectAdapter

public class DB2SQLDialectAdapter
extends SQL99DialectAdapter

Constructor Summary

Constructors

Constructor and Description
DB2SQLDialectAdapter()

Method Summary

Modifier and Type	Method and Description
Optional<String>	getTrueTable() Returns the name of special system table having one tuple only if the FROM clause is always required in the dialect
String	sqlSlice(long limit, long offset) There is no standard for this part.

Methods inherited from class it.unibz.inf.ontop.answering.reformulation.generation.dialect.impl.SQL99DialectAdapter

buildDefaultName, escapedSingleQuote, getSQLLexicalFormString, nameTopVariable, render, sqlQuote

Methods inherited from class java.lang.Object

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

Constructor Detail

DB2SQLDialectAdapter

public DB2SQLDialectAdapter()

Method Detail

sqlSlice

public String sqlSlice(long limit,
                       long offset)

Description copied from class: SQL99DialectAdapter

There is no standard for this part.

Arbitrary default implementation proposed (may not work with many DB engines).

Specified by:

sqlSlice in interface SQLDialectAdapter

Overrides:

sqlSlice in class SQL99DialectAdapter

getTrueTable

public Optional<String> getTrueTable()

Description copied from interface: SQLDialectAdapter

Returns the name of special system table having one tuple only if the FROM clause is always required in the dialect

Specified by:

getTrueTable in interface SQLDialectAdapter

Overrides:

getTrueTable in class SQL99DialectAdapter