49faccbf50
follow up #37090 support reuse sql cache when use variable as partition predicate and variable change: ```sql set @dt='2024-07-16'; -- create cache 1 select * from tbl where dt = @dt; set @dt='2024-07-17'; -- create cache 2, will not invalidate cache 1 select * from tbl where dt = @dt; set @dt='2024-07-16'; -- reuse cache 1 select * from tbl where dt = @dt; ```