org.apache.calcite.runtime

Class ResultSetEnumerable<T>

java.lang.Object

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

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

org.apache.calcite.runtime.ResultSetEnumerable<T>

Type Parameters:

T - Element type

All Implemented Interfaces:

Iterable<T>, Enumerable<T>, ExtendedEnumerable<T>, ExtendedOrderedEnumerable<T>, OrderedEnumerable<T>, RawEnumerable<T>

public class ResultSetEnumerable<T>
extends AbstractEnumerable<T>

Executes a SQL statement and returns the result as an Enumerable.

Method Summary

Methods

Modifier and Type	Method and Description
Enumerator<T>	enumerator()
static Enumerable<Object>	of(DataSource dataSource, String sql) Creates an ResultSetEnumerable.
static <T> Enumerable<T>	of(DataSource dataSource, String sql, Function1<ResultSet,Function0<T>> rowBuilderFactory) Executes a SQL query and returns the results as an enumerator, using a row builder to convert JDBC column values into rows.
static Enumerable<Object>	of(DataSource dataSource, String sql, Primitive[] primitives) Creates an ResultSetEnumerable that retrieves columns as specific Java types.

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, first, first, firstOrDefault, firstOrDefault, foreach, getThis, getThisOrdered, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, groupJoin, groupJoin, intersect, intersect, into, join, join, join, 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, reverse, select, select, selectMany, selectMany, selectMany, selectMany, sequenceEqual, sequenceEqual, single, single, singleOrDefault, singleOrDefault, skip, skipWhile, skipWhile, 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

Method Detail

of

public static Enumerable<Object> of(DataSource dataSource,
                    String sql)

Creates an ResultSetEnumerable.

of

public static Enumerable<Object> of(DataSource dataSource,
                    String sql,
                    Primitive[] primitives)

Creates an ResultSetEnumerable that retrieves columns as specific Java types.

of

public static <T> Enumerable<T> of(DataSource dataSource,
                   String sql,
                   Function1<ResultSet,Function0<T>> rowBuilderFactory)

Executes a SQL query and returns the results as an enumerator, using a row builder to convert JDBC column values into rows.

enumerator

public Enumerator<T> enumerator()