wangyum opened a new pull request, #36850:
URL: https://github.com/apache/spark/pull/36850
### What changes were proposed in this pull request?
This PR enhances `PruneFilters` to push `EqualTo` with `Literal` to other
conditions. For example:
```sql
CREATE TABLE t1 (
id DECIMAL(18,0),
event_dt DATE,
cmpgn_run_dt DATE)
USING parquet
PARTITIONED BY (cmpgn_run_dt);
SELECT * FROM t1 WHERE CMPGN_RUN_DT >= date_sub(EVENT_DT,2) AND CMPGN_RUN_DT
<= EVENT_DT AND EVENT_DT ='2022-04-05';
```
After this PR:
```
== Optimized Logical Plan ==
Filter ((((isnotnull(CMPGN_RUN_DT#2) AND isnotnull(EVENT_DT#1)) AND
(CMPGN_RUN_DT#2 >= 2022-04-03)) AND (CMPGN_RUN_DT#2 <= 2022-04-05)) AND
(EVENT_DT#1 = 2022-04-05))
+- Relation default.t1[id#0,event_dt#1,cmpgn_run_dt#2] parquet
```
### Why are the changes needed?
Simplify filter condition to improve query performance.
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Unit test.
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