Package se.kuseman.payloadbuilder.api.catalog

Interface IDatasource

public interface IDatasource

Definition of a data source. The plugable extension point for scans for catalogs

Field Summary

Fields

Modifier and Type	Field	Description
static final String	CATALOG
static final String	DEFINED_VALUES
static final String	INDEX
static final String	OUTPUT
static final String	PREDICATE

Method Summary

Modifier and Type	Method	Description
TupleIterator	execute(IExecutionContext context, IDatasourceOptions options)	Execute data source returning a stream of tuple vectors
default Map<String,Object>	getDescribeProperties(IExecutionContext context)	Returns a map with describe properties that is used during describe/analyze statements

Field Details

CATALOG

static final String CATALOG

See Also:

• Constant Field Values

PREDICATE

static final String PREDICATE

See Also:

• Constant Field Values

OUTPUT

static final String OUTPUT

See Also:

• Constant Field Values

DEFINED_VALUES

static final String DEFINED_VALUES

See Also:

• Constant Field Values

INDEX

static final String INDEX

See Also:

• Constant Field Values

Method Details

execute

TupleIterator execute(IExecutionContext context,
 IDatasourceOptions options)

Execute data source returning a stream of tuple vectors

getDescribeProperties

default Map<String,Object> getDescribeProperties(IExecutionContext context)

Returns a map with describe properties that is used during describe/analyze statements