expr/builtin_fncall: implement MultiplyIntUnsigned #3277
Merged
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What have you changed? (mandatory)
This PR implements the scalar function MultiplyIntUnsigned
What are the type of the changes? (mandatory)
The currently defined types are listed below, please pick one of the types for this PR by removing the others:
How has this PR been tested? (mandatory)
unit test
Does this PR affect documentation (docs/docs-cn) update? (mandatory)
no
Does this PR affect tidb-ansible update? (mandatory)
no
Refer to a related PR or issue link (optional)
#3275
The related source in tidb: https://github.com/pingcap/tidb/blob/master/expression/builtin_arithmetic.go#L532
@zz-jason @XuHuaiyu @breeswish PTAL