gianm opened a new pull request, #13037:
URL: https://github.com/apache/druid/pull/13037
When writing RexLiterals into Druid expressions, we now write non-integer
numeric literals in such a way that ensures they are parsed as doubles on the
other end.
Fixes behavior where, in cases where literals are embedded in expressions,
casts like `CAST(3 AS DOUBLE)` seemingly get "lost". I noticed this when doing
`STRING_FORMAT('%.2f', CAST(3 AS DOUBLE))`. The expression was generated as
`format('%.2f', 3)`, which led to an error since `f` expects floating point
input. I bet other expressions could have had odd behavior too.
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