[opt](Nereids) use date signature for date arithmetic as far as possible #36060
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pick from master #35863 if date arithmetic (date_add / date_sub)'s first argument is StringLikeLiteral. We use date signature as far as possible. for example: SQL: `select date_sub('2024-05-28', INTERVAL 1 week);` before this PR: ``` +------------------------------------------------+ | weeks_sub(cast('2024-05-28' as DATETIMEV2), 1) | +------------------------------------------------+ | 2024-05-21 00:00:00 | +------------------------------------------------+ ``` after this PR: ``` +--------------------------------------------+ | weeks_sub(cast('2024-05-28' as DATEV2), 1) | +--------------------------------------------+ | 2024-05-21 | +--------------------------------------------+ ```
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pick from master #35863
if date arithmetic (date_add / date_sub)'s first argument is StringLikeLiteral. We use date signature as far as possible.
for example:
SQL:
select date_sub('2024-05-28', INTERVAL 1 week);before this PR:
after this PR:
Proposed changes
Issue Number: close #xxx