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

Class SQL99DialectAdapter

java.lang.Object

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

All Implemented Interfaces:

SQLDialectAdapter

Direct Known Subclasses:

AdpSQLDialectAdapter, DB2SQLDialectAdapter, DenodoSQLDialectAdapter, DremioSQLDialectAdapter, H2SQLDialectAdapter, HSQLDBDialectAdapter, MonetDBSQLDialectAdapter, Mysql2SQLDialectAdapter, OracleSQLDialectAdapter, PostgreSQLDialectAdapter, SAPHANASQLDialectAdapter, SQLServerSQLDialectAdapter, TeiidSQLDialectAdapter

public class SQL99DialectAdapter
extends Object
implements SQLDialectAdapter

Constructor Summary

Constructors

Constructor and Description
SQL99DialectAdapter()

Method Summary

Modifier and Type	Method and Description
protected String	buildDefaultName(String prefix, String intermediateName, String suffix) Concatenates the strings.
protected String	escapedSingleQuote()
protected String	getSQLLexicalFormString(String constant) By default, quotes and escapes isolated single quotes
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	nameTopVariable(String signatureVariableName, Set<String> sqlVariableNames) Allows the SQL dialect adapter to put restrict on the name (e.g.
String	render(it.unibz.inf.ontop.model.term.DBConstant constant)
String	sqlQuote(String name)
String	sqlSlice(long limit, long offset) There is no standard for this part.

Methods inherited from class java.lang.Object

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

Constructor Detail

SQL99DialectAdapter

public SQL99DialectAdapter()

Method Detail

escapedSingleQuote

protected String escapedSingleQuote()

sqlQuote

public String sqlQuote(String name)

Specified by:

sqlQuote in interface SQLDialectAdapter

sqlSlice

public String sqlSlice(long limit,
                       long offset)

There is no standard for this part.

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

Specified by:

sqlSlice in interface SQLDialectAdapter

nameTopVariable

public String nameTopVariable(String signatureVariableName,
                              Set<String> sqlVariableNames)

Description copied from interface: SQLDialectAdapter

Allows the SQL dialect adapter to put restrict on the name (e.g. name length).

Specified by:

nameTopVariable in interface SQLDialectAdapter

render

public String render(it.unibz.inf.ontop.model.term.DBConstant constant)

Specified by:

render in interface SQLDialectAdapter

buildDefaultName

protected final String buildDefaultName(String prefix,
                                        String intermediateName,
                                        String suffix)

Concatenates the strings. Default way to name a variable or a view.

Returns an UNQUOTED string.

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

getSQLLexicalFormString

protected String getSQLLexicalFormString(String constant)

By default, quotes and escapes isolated single quotes