Petr Masopust created CALCITE-6068:
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Summary: Whitespaces are removed from filter values
Key: CALCITE-6068
URL: https://issues.apache.org/jira/browse/CALCITE-6068
Project: Calcite
Issue Type: Bug
Affects Versions: 1.35.0
Reporter: Petr Masopust
SqlImplementor.java has hardcoded "true" for trimming whitespaces in
Context.toIn method
(https://github.com/apache/calcite/blob/c83ac69111fd9e75af5e3615af29a72284667a4a/core/src/main/java/org/apache/calcite/rel/rel2sql/SqlImplementor.java#L908).
This makes troubles for our customer who use values like "Value 1 " etc. (don't
ask me why).
E.g.
val filter = relBuilder.`in`(
opportunityId,
relBuilder.literal("value 1 "),
relBuilder.literal("value 2 ")
)
is translated to "id" IN ('value 1', 'value 2') WITHOUT spaces at the end.
I don't know why is such trimming implemented but calcite should not touch user
inputs. Please make this at least configurable because I don't know any
workaround. Obvious one with OR and equalities is optimized to IN and trimmed
too.
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