Meenakshi created IMPALA-7027:
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Summary: Multiple Cast to Varchar with different limit fails with
"AnalysisException: null CAUSED BY: IllegalArgumentException: "
Key: IMPALA-7027
URL: https://issues.apache.org/jira/browse/IMPALA-7027
Project: IMPALA
Issue Type: Bug
Components: Clients
Affects Versions: Impala 2.9.0
Reporter: Meenakshi
If we have multiple cast of '' to varchar statements in a impala query which
has a distinct like below, the query breaks for scenario when the cast to
varchar limit in the SQL is lower than the previous cast.
Query 1> Fails with " AnalysisException: null CAUSED BY:
IllegalArgumentException: targetType=VARCHAR(100) type=VARCHAR(101)"
SELECT DISTINCT CAST('' as VARCHAR(101)) as CLAIM_COMMENTS,CAST('' as
VARCHAR(100)) as CA_USER_ID FROM pinnga1ph_ds_prd_wh_gbd.concept_flat_dtl
limit 1
Where as the below query succeeds
Query 2> Success
SELECT DISTINCT CAST('' as VARCHAR(100)) as CLAIM_COMMENTS,CAST('' as
VARCHAR(101)) as CA_USER_ID FROM pinnga1ph_ds_prd_wh_gbd.concept_flat_dtl
limit 1
The Query succeeds is we remove the distinct clause or add set
enable_expr_rewrites=false;
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