org.apache.calcite.jdbc

Class CalcitePrepare.Query<T>

java.lang.Object

org.apache.calcite.jdbc.CalcitePrepare.Query<T>

Type Parameters:

T - element type

Enclosing interface:

CalcitePrepare

public static class CalcitePrepare.Query<T>
extends Object

A union type of the three possible ways of expressing a query: as a SQL string, a Queryable or a RelNode. Exactly one must be provided.

Field Summary

Fields

Modifier and Type	Field and Description
@Nullable org.apache.calcite.linq4j.Queryable<T>	queryable
@Nullable RelNode	rel
@Nullable String	sql

Method Summary

Modifier and Type	Method and Description
static <T> CalcitePrepare.Query<T>	of(org.apache.calcite.linq4j.Queryable<T> queryable)
static <T> CalcitePrepare.Query<T>	of(RelNode rel)
static <T> CalcitePrepare.Query<T>	of(String sql)

Methods inherited from class java.lang.Object

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

Field Detail

sql

public final @Nullable String sql

queryable

public final @Nullable org.apache.calcite.linq4j.Queryable<T> queryable

rel

public final @Nullable RelNode rel

Method Detail

of

public static <T> CalcitePrepare.Query<T> of(String sql)

of

public static <T> CalcitePrepare.Query<T> of(org.apache.calcite.linq4j.Queryable<T> queryable)

of

public static <T> CalcitePrepare.Query<T> of(RelNode rel)