Github user fjh100456 commented on the issue:
https://github.com/apache/spark/pull/6751
Is there an example?
I use broadcast like the following, but it perform an error.Would you be so
kind as to show me an example?
>spark-sql> select a.* from tableA a left outer join broadcast(tableB) b on
a.a=b.a;
>17/10/11 09:06:40 INFO HiveMetaStore: 0: get_table : db=default tbl=tablea
>17/10/11 09:06:40 INFO audit: ugi=root ip=unknown-ip-addr
cmd=get_table : db=default tbl=tablea
> #### **Error in query: cannot resolve '`tableB`' given input columns: [];
line 1 pos 51;**
>'Project [ArrayBuffer(a).*]
>+- 'Join LeftOuter, ('a.a = 'b.a)
> :- SubqueryAlias a
> : +- SubqueryAlias tablea
> : +- HiveTableRelation `default`.`tablea`,
org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe, [a#94, b#95, c#96]
> +- 'SubqueryAlias b
> +- 'UnresolvedTableValuedFunction broadcast, ['tableB]
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