Package org.apache.cassandra.cql3.selection
package org.apache.cassandra.cql3.selection
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ClassDescription
SelectableforSelectablebetween parentheses or tuples.In the selection clause, the parser cannot differentiate between Maps and UDTs as a column identifier and field identifier have the same syntax.Selectablefor literal Lists.Represents the selection of an element of a collection (eg.Represents the selection of the field of a UDT (eg.Selectablefor literal Maps or UDTs.Selectablefor literal Sets.Represents the selection of a slice of a collection (eg.Selectablefor type hints (e.g.Separately maintains the ColumnSpecifications and their mappings to underlying columns as we may receive null mappings.Represents a mapping between the actual columns used to satisfy a Selection and the column definitions included in the resultset metadata for the query.ASelectoris used to convert the data returned by the storage engine into the data requested by the user.A factory forSelectorinstances.A row of data that need to be processed by aSelectorTheSelectorkinds.The Factory forSimpleSelector.Selector representing a simple term (literals or bound variables).