Sriram Sundar

Results 2 issues of Sriram Sundar

### What problem does this PR solve? This PR brings in the implementation of the previous_day SQL function for Apache Doris. Issue Number: close #44932 Related PR: #xxx Problem Summary:...

## Which issue does this PR close? - part of #12725 ## Rationale for this change moving `hex` away from a user defined signature as it is out of scope...

logical-expr
sqllogictest
spark