Package org.apache.calcite.interpreter

Class Interpreter

java.lang.Object

org.apache.calcite.linq4j.DefaultEnumerable<T>

org.apache.calcite.linq4j.AbstractEnumerable<@Nullable Object[]>

org.apache.calcite.interpreter.Interpreter

All Implemented Interfaces:

AutoCloseable, Iterable<Object[]>, Enumerable<Object[]>, ExtendedEnumerable<Object[]>, ExtendedOrderedEnumerable<Object[]>, OrderedEnumerable<Object[]>, RawEnumerable<Object[]>

public class Interpreter
extends AbstractEnumerable<@Nullable Object[]>
implements AutoCloseable

Interpreter.

Contains the context for interpreting relational expressions. In particular it holds working state while the data flow graph is being assembled.

Constructor Summary

Constructors

Constructor	Description
Interpreter(DataContext dataContext, RelNode rootRel)	Creates an Interpreter.

Method Summary

Modifier and Type	Method	Description
void	close()
Enumerator<@Nullable Object[]>	enumerator()	Returns an enumerator that iterates through a collection.

Methods inherited from class org.apache.calcite.linq4j.AbstractEnumerable

iterator

Methods inherited from class org.apache.calcite.linq4j.DefaultEnumerable

aggregate, aggregate, aggregate, all, any, any, asEnumerable, asOrderedQueryable, asQueryable, average, average, average, average, average, average, average, average, average, average, cast, concat, contains, contains, correlateJoin, count, count, createOrderedEnumerable, defaultIfEmpty, defaultIfEmpty, distinct, distinct, elementAt, elementAtOrDefault, except, except, except, except, first, first, firstOrDefault, firstOrDefault, foreach, getThis, getThisOrdered, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupJoin, groupJoin, hashJoin, hashJoin, hashJoin, hashJoin, intersect, intersect, intersect, intersect, into, last, last, lastOrDefault, lastOrDefault, longCount, longCount, max, max, max, max, max, max, max, max, max, max, max, max, min, min, min, min, min, min, min, min, min, min, min, min, ofType, orderBy, orderBy, orderByDescending, orderByDescending, removeAll, reverse, select, select, selectMany, selectMany, selectMany, selectMany, sequenceEqual, sequenceEqual, single, single, singleOrDefault, singleOrDefault, skip, skipWhile, skipWhile, sortedGroupBy, sum, sum, sum, sum, sum, sum, sum, sum, sum, sum, take, takeWhile, takeWhile, thenBy, thenBy, thenByDescending, thenByDescending, toList, toLookup, toLookup, toLookup, toLookup, toMap, toMap, toMap, toMap, union, union, where, where, zip

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Details

Interpreter

public Interpreter(DataContext dataContext,
 RelNode rootRel)

Creates an Interpreter.

Method Details

enumerator

public Enumerator<@Nullable Object[]> enumerator()

Description copied from interface: RawEnumerable

Returns an enumerator that iterates through a collection.

Specified by:

enumerator in interface RawEnumerable<Object[]>

close

public void close()

Specified by:

close in interface AutoCloseable