TongWei1105 opened a new pull request, #41513:
URL: https://github.com/apache/spark/pull/41513
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### What changes were proposed in this pull request?
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After the Resolve Hints Rules are completed, immediately remove unknown
Hints to avoid query errors caused by Unresolved Hints.
### Why are the changes needed?
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`// create t0,t1
CREATE TABLE t0(c0 bigint) USING PARQUET
CREATE TABLE t1(c1 bigint) USING PARQUET
// query with unknown hint
with w0 as (select * from t0),
w1 as (select c0 from w0 group by c0),
w2 as (select /*+ userHint(t1) */ c1 from t1 ),
w3 as (
select w2.c1, w0.c0, w1.c0
from w2
join w0 on w2.c1 = w0.c0
join w1 on w2.c1 = w1.c0
)
select * from w3;
23/06/08 17:25:23 WARN HintErrorLogger: Unrecognized hint: userHint(t1)
[UNRESOLVED_COLUMN.WITH_SUGGESTION] A column or function parameter with name
`w2`.`c1` cannot be resolved. Did you mean one of the following? [`w2`.`c1`,
`w0`.`c0`].; line 8 pos 11;
'WithCTE
:- CTERelationDef 4, false
: +- SubqueryAlias w0
: +- Project [c0#0L]
: +- SubqueryAlias spark_catalog.default.t0
: +- Relation spark_catalog.default.t0[c0#0L] parquet
:- CTERelationDef 5, false
: +- SubqueryAlias w1
: +- Aggregate [c0#0L], [c0#0L]
: +- SubqueryAlias w0
: +- CTERelationRef 4, true, [c0#0L]
:- CTERelationDef 6, false
: +- SubqueryAlias w2
: +- Project [c1#1L]
: +- SubqueryAlias spark_catalog.default.t1
: +- Relation spark_catalog.default.t1[c1#1L] parquet
:- 'CTERelationDef 7, false
: +- 'SubqueryAlias w3
: +- 'Project ['w2.c1, 'w0.c0, 'w1.c0]
: +- 'Join Inner, ('w2.c1 = 'w1.c0)
: :- Join Inner, (c1#1L = c0#0L)
: : :- SubqueryAlias w2
: : : +- CTERelationRef 6, true, [c1#1L]
: : +- SubqueryAlias w0
: : +- CTERelationRef 4, true, [c0#0L]
: +- SubqueryAlias w1
: +- CTERelationRef 5, true, [c0#0L]
+- 'Project [*]
+- 'SubqueryAlias w3
+- 'CTERelationRef 7, false
// query without unknown hint
with w0 as (select * from t0),
w1 as (select * from w0 group by c0),
w2 as (select c1 from t1 ),
w3 as (
select w2.c1, w0.c0, w1.c0
from w2
join w0 on w2.c1 = w0.c0
join w1 on w2.c1 = w1.c0
)
select * from w3;
Time taken: 12.666 seconds`
### Does this PR introduce _any_ user-facing change?
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Note that it means *any* user-facing change including all aspects such as
the documentation fix.
If yes, please clarify the previous behavior and the change this PR proposes
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NO
### How was this patch tested?
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add test
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