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

Class OracleSQLDialectAdapter

java.lang.Object

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

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

All Implemented Interfaces:

SQLDialectAdapter

public class OracleSQLDialectAdapter
extends SQL99DialectAdapter

Field Summary

Fields

Modifier and Type	Field and Description
static int	NAME_MAX_LENGTH
static int	NAME_NUMBER_LENGTH If the name (of a variable/view) needs to be shortcut, length of the number introduced.

Constructor Summary

Constructors

Constructor and Description
OracleSQLDialectAdapter()
OracleSQLDialectAdapter(String databaseVersion)

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	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	sqlSlice(long limit, long offset) Versions < 12.1 are not supported Reason: In 12.1 and later, you can use the OFFSET and/or FETCH [FIRST | NEXT] operators

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

buildDefaultName, escapedSingleQuote, getSQLLexicalFormString, sqlQuote

Methods inherited from class java.lang.Object

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

Field Detail

NAME_MAX_LENGTH

public static final int NAME_MAX_LENGTH

See Also:

Constant Field Values

NAME_NUMBER_LENGTH

public static final int NAME_NUMBER_LENGTH

If the name (of a variable/view) needs to be shortcut, length of the number introduced.

See Also:

Constant Field Values

Constructor Detail

OracleSQLDialectAdapter

public OracleSQLDialectAdapter()

OracleSQLDialectAdapter

public OracleSQLDialectAdapter(String databaseVersion)

Method Detail

sqlSlice

public String sqlSlice(long limit,
                       long offset)

Versions < 12.1 are not supported Reason: In 12.1 and later, you can use the OFFSET and/or FETCH [FIRST | NEXT] operators

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

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

Overrides:

nameTopVariable in class SQL99DialectAdapter

render

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

Specified by:

render in interface SQLDialectAdapter

Overrides:

render in class SQL99DialectAdapter