de.fuberlin.wiwiss.d2rq.sql.types

Class SQLBit

java.lang.Object

de.fuberlin.wiwiss.d2rq.sql.types.DataType

de.fuberlin.wiwiss.d2rq.sql.types.SQLBit

Direct Known Subclasses:

MySQL.MySQLCompatibilityBitDataType

public class SQLBit
extends DataType

Nested Class Summary

Nested classes/interfaces inherited from class de.fuberlin.wiwiss.d2rq.sql.types.DataType

DataType.GenericType

Field Summary

Fields inherited from class de.fuberlin.wiwiss.d2rq.sql.types.DataType

log

Constructor Summary

Constructors

Constructor and Description
SQLBit(Vendor syntax, String name)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	isIRISafe()
String	toSQLLiteral(String value) Creates a SQL literal for the given value, suitable for comparison to a column of this indicated type.
String	valueRegex() A regular expression that covers the lexical form of all values of this datatype (in their RDF representation).

Methods inherited from class de.fuberlin.wiwiss.d2rq.sql.types.DataType

isUnsupported, name, rdfType, supportsDistinct, syntax, toString, value

Methods inherited from class java.lang.Object

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

Constructor Detail

SQLBit

public SQLBit(Vendor syntax,
      String name)

Method Detail

isIRISafe

public boolean isIRISafe()

Overrides:

isIRISafe in class DataType

toSQLLiteral

public String toSQLLiteral(String value)

Description copied from class: DataType

Creates a SQL literal for the given value, suitable for comparison to a column of this indicated type. If the value is not suitable for the column type (e.g., not a number for a SQLExactNumeric), NULL is returned.

Overrides:

toSQLLiteral in class DataType

Parameters:

value - A value

Returns:

A quoted and escaped SQL literal, suitable for comparison to a column

valueRegex

public String valueRegex()

Description copied from class: DataType

A regular expression that covers the lexical form of all values of this datatype (in their RDF representation). This is especially important for types that are not mapped to a typed literal but to plain/xsd:string literals.

Overrides:

valueRegex in class DataType

Returns:

A regular expression covering the lexical forms of all values of this datatype