Package | Description |
---|---|
de.fuberlin.wiwiss.d2rq.algebra |
Implementation of an RDF-based relational algebra.
|
de.fuberlin.wiwiss.d2rq.dbschema |
JDBC-based database schema inspection code.
|
de.fuberlin.wiwiss.d2rq.expr | |
de.fuberlin.wiwiss.d2rq.map |
Classes that represent the components of a mapping file.
|
de.fuberlin.wiwiss.d2rq.mapgen |
The mapping generator introspects a database schema and generates a simple
default D2RQ mapping that matches the DB schema.
|
de.fuberlin.wiwiss.d2rq.parser |
Code that converts a D2RQ mapping file from its RDF representation into
corresponding Java objects.
|
de.fuberlin.wiwiss.d2rq.sql |
SQL query and result processing code.
|
Modifier and Type | Method and Description |
---|---|
ConnectedDB |
RelationImpl.database() |
abstract ConnectedDB |
Relation.database() |
Modifier and Type | Method and Description |
---|---|
static Relation |
Relation.createSimpleRelation(ConnectedDB database,
Attribute[] attributes) |
Expression |
ProjectionSpec.notNullExpression(ConnectedDB database,
AliasMap aliases) |
Expression |
ExpressionProjectionSpec.notNullExpression(ConnectedDB database,
AliasMap aliases) |
Expression |
Attribute.notNullExpression(ConnectedDB db,
AliasMap aliases) |
String |
ProjectionSpec.toSQL(ConnectedDB database,
AliasMap aliases) |
String |
OrderSpec.toSQL(ConnectedDB database,
AliasMap aliases) |
String |
ExpressionProjectionSpec.toSQL(ConnectedDB database,
AliasMap aliases) |
String |
Attribute.toSQL(ConnectedDB database,
AliasMap aliases) |
Constructor and Description |
---|
RelationImpl(ConnectedDB database,
AliasMap aliases,
Expression condition,
Expression softCondition,
Set<Join> joinConditions,
Set<ProjectionSpec> projections,
boolean isUnique,
List<OrderSpec> orderSpecs,
int limit,
int limitInverse) |
Constructor and Description |
---|
DatabaseSchemaInspector(ConnectedDB db) |
Modifier and Type | Method and Description |
---|---|
String |
UnaryMinus.toSQL(ConnectedDB database,
AliasMap aliases) |
String |
SQLExpression.toSQL(ConnectedDB database,
AliasMap aliases) |
String |
NotNull.toSQL(ConnectedDB database,
AliasMap aliases) |
String |
Negation.toSQL(ConnectedDB database,
AliasMap aliases) |
abstract String |
Expression.toSQL(ConnectedDB database,
AliasMap aliases) |
String |
Equality.toSQL(ConnectedDB database,
AliasMap aliases) |
String |
Disjunction.toSQL(ConnectedDB database,
AliasMap aliases) |
String |
Constant.toSQL(ConnectedDB database,
AliasMap aliases) |
String |
Conjunction.toSQL(ConnectedDB database,
AliasMap aliases) |
String |
Concatenation.toSQL(ConnectedDB database,
AliasMap aliases) |
String |
BooleanToIntegerCaseExpression.toSQL(ConnectedDB database,
AliasMap aliases) |
String |
BinaryOperator.toSQL(ConnectedDB database,
AliasMap aliases) |
String |
AttributeExpr.toSQL(ConnectedDB database,
AliasMap aliases) |
Modifier and Type | Method and Description |
---|---|
ConnectedDB |
Database.connectedDB() |
Modifier and Type | Method and Description |
---|---|
RelationBuilder |
ResourceMap.relationBuilder(ConnectedDB database) |
void |
Database.useConnectedDB(ConnectedDB db)
This is a hack where we can pass a pre-existing ConnectedDB that
will be used by this Database, so we avoid that the Database
opens another connection to the same DB.
|
Modifier and Type | Field and Description |
---|---|
protected ConnectedDB |
MappingGenerator.database |
Constructor and Description |
---|
MappingGenerator(ConnectedDB database) |
W3CMappingGenerator(ConnectedDB database) |
Constructor and Description |
---|
RelationBuilder(ConnectedDB database) |
Modifier and Type | Method and Description |
---|---|
static ResultRowMap |
ResultRowMap.fromResultSet(ResultSet resultSet,
List<ProjectionSpec> projectionSpecs,
ConnectedDB database) |
static String |
SQL.quoteColumnsInExpression(String expression,
ConnectedDB database) |
Constructor and Description |
---|
SQLIterator(String sql,
List<ProjectionSpec> columns,
ConnectedDB db) |