Package org.teiid.dqp.internal.process

Class MetaDataProcessor

java.lang.Object

org.teiid.dqp.internal.process.MetaDataProcessor

public class MetaDataProcessor
extends Object

Handles MetaDataMessages on behalf of DQPCore.

Field Summary

Fields

Modifier and Type	Field	Description
static String	XML_COLUMN_NAME

Constructor Summary

Constructors

Constructor	Description
MetaDataProcessor(DQPCore requestManager, SessionAwareCache<PreparedPlan> planCache, String vdbName, Object vdbVersion)

Method Summary

Modifier and Type	Method	Description
static String	getColumnName(boolean pgColumnNames, Expression symbol)
Map<Integer,Object>	getDefaultColumn(String tableName, String columnName, Class<?> javaType)
Map<Integer,Object>	getDefaultColumn(String tableName, String columnName, String columnLabel, Class<?> javaType)
static void	setColumnMetadata(Column column, Expression symbol, QueryMetadataInterface metadata)	Set the easily determined metadata from symbol on the given Column
static void	updateMetadataAcrossBranches(SetQuery originalCommand, List<Column> columns, QueryMetadataInterface metadata)

Methods inherited from class java.lang.Object

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

Field Detail

XML_COLUMN_NAME

public static final String XML_COLUMN_NAME

See Also:

Constant Field Values

Constructor Detail

MetaDataProcessor

public MetaDataProcessor(DQPCore requestManager,
                         SessionAwareCache<PreparedPlan> planCache,
                         String vdbName,
                         Object vdbVersion)

Method Detail

updateMetadataAcrossBranches

public static void updateMetadataAcrossBranches(SetQuery originalCommand,
                                                List<Column> columns,
                                                QueryMetadataInterface metadata)
                                         throws TeiidComponentException

Throws:

TeiidComponentException

getColumnName

public static String getColumnName(boolean pgColumnNames,
                                   Expression symbol)

setColumnMetadata

public static void setColumnMetadata(Column column,
                                     Expression symbol,
                                     QueryMetadataInterface metadata)
                              throws QueryMetadataException,
                                     TeiidComponentException

Set the easily determined metadata from symbol on the given Column

Parameters:

column -

symbol -

metadata -

Throws:

QueryMetadataException

TeiidComponentException

getDefaultColumn

public Map<Integer,Object> getDefaultColumn(String tableName,
                                                  String columnName,
                                                  Class<?> javaType)

getDefaultColumn

public Map<Integer,Object> getDefaultColumn(String tableName,
                                                  String columnName,
                                                  String columnLabel,
                                                  Class<?> javaType)