Add rand() alias for random()#22147
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@xiedeyantu
Thanks for working on this.
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Which issue does this PR close?
Rationale for this change
rand()is a common alias forrandom()in SQL engines. Supporting it improves compatibility and lets users writerand()as an equivalent zero-argument volatile random function.What changes are included in this PR?
randas an alias for the existingrandom()scalar function.rand()resolves successfully and returns aFloat64value in the expected[0, 1)range.Are these changes tested?
Yes.
cargo fmt --allcargo test --package datafusion-functions random --libcargo test --features backtrace,parquet_encryption --profile ci --package datafusion-sqllogictest --test sqllogictests -- functions.sltAre there any user-facing changes?
Yes. Users can now call
rand()as an alias forrandom().