org.apache.hive.service.cli.operation
Class MetadataOperation

java.lang.Object
  org.apache.hive.service.cli.operation.Operation
      org.apache.hive.service.cli.operation.MetadataOperation

Direct Known Subclasses:

GetCatalogsOperation, GetColumnsOperation, GetFunctionsOperation, GetSchemasOperation, GetTablesOperation, GetTableTypesOperation, GetTypeInfoOperation

public abstract class MetadataOperation
extends Operation

MetadataOperation.

Field Summary

protected static String	DEFAULT_HIVE_CATALOG
protected static TableSchema	RESULT_SET_SCHEMA

Fields inherited from class org.apache.hive.service.cli.operation.Operation

DEFAULT_FETCH_MAX_ROWS, hasResultSet, LOG, parentSession

Constructor Summary

protected

MetadataOperation(Session parentSession, OperationType opType)

Method Summary

void	close()
protected String	convertIdentifierPattern(String pattern, boolean datanucleusFormat) Convert wildchars and escape sequence from JDBC format to datanucleous/regex
protected String	convertSchemaPattern(String pattern) Convert wildchars and escape sequence of schema pattern from JDBC format to datanucleous/regex The schema pattern treats empty string also as wildchar

Methods inherited from class org.apache.hive.service.cli.operation.Operation

assertState, cancel, getConfiguration, getHandle, getNextRowSet, getNextRowSet, getParentSession, getResultSetSchema, getState, getType, hasResultSet, isCanceled, isFailed, isFinished, isRunning, run, setConfiguration, setHasResultSet, setState

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_HIVE_CATALOG

protected static final String DEFAULT_HIVE_CATALOG

See Also:

Constant Field Values

RESULT_SET_SCHEMA

protected static TableSchema RESULT_SET_SCHEMA

Constructor Detail

MetadataOperation

protected MetadataOperation(Session parentSession,
                            OperationType opType)

Method Detail

close

public void close()
           throws HiveSQLException

Specified by:

close in class Operation

Throws:

HiveSQLException

convertIdentifierPattern

protected String convertIdentifierPattern(String pattern,
                                          boolean datanucleusFormat)

Convert wildchars and escape sequence from JDBC format to datanucleous/regex

convertSchemaPattern

protected String convertSchemaPattern(String pattern)

Convert wildchars and escape sequence of schema pattern from JDBC format to datanucleous/regex The schema pattern treats empty string also as wildchar