Although not quite the same, DRILL-4374 was previously logged, and it looks
like that just got assigned.

-- Zelaine

On Wed, Feb 17, 2016 at 10:04 PM, JeongHoon Baek <[email protected]> wrote:

> I tested this query, it was used on aws redshift. It has two joins.
>
> SELECT cs.post_id,
>        t.tag_id,
>        cs.language_code,
>        cs.likes_count,
>        cs.comments_count,
>        cs.clippings_count,
>        cs.cr_recency_score
> FROM redshift.public.card_scores AS cs
> JOIN redshift.public.taggings AS t
>   ON cs.post_id = t.post_id
> INNER JOIN redshift.public.min_scale_scores AS mss
>   ON mss.post_id=cs.post_id
> WHERE cs.cr_recency_score IS NOT NULL
>   AND t.status <> 'unpublished'
>
> Then, error raised.
>
> 2016-02-18 05:44:26,862 [293aa5c5-4dcd-3cd8-7b40-4847289d71fa:frag:0:0]
> INFO  o.a.d.e.store.jdbc.JdbcRecordReader - User Error Occurred
> org.apache.drill.common.exceptions.UserException: DATA_READ ERROR: The
> JDBC storage plugin failed while trying setup the SQL query.
>
> sql SELECT *
> FROM (SELECT *
> FROM "public"."card_scores"
> INNER JOIN "public"."taggings" ON "card_scores"."post_id" =
> "taggings"."post_id"
> WHERE "card_scores"."cr_recency_score" IS NOT NULL AND "taggings"."status"
> <> 'unpublished') AS "t"
> INNER JOIN "public"."min_scale_scores" ON "t"."post_id" =
> "min_scale_scores"."post_id"
> plugin redshift
>
> [Error Id: 0ffb54f1-95b9-4a8b-b985-f05e16a2aa6a ]
>         at
> org.apache.drill.common.exceptions.UserException$Builder.build(UserException.java:543)
> ~[drill-common-1.5.0.jar:1.5.0]
>         at
> org.apache.drill.exec.store.jdbc.JdbcRecordReader.setup(JdbcRecordReader.java:221)
> [drill-jdbc-storage-1.5.0.jar:1.5.0]
>
> Caused by: org.postgresql.util.PSQLException: ERROR: column reference
> "post_id" is ambiguous
>
> I think this error caused by "SELECT *".
>
>

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