[bug]: cannot rollup data for windows

[stone1100]

Describe the bug
A clear and concise description of what the bug is.

To Reproduce (Required)

• create database with rollup interval
• write metric data
• flush write data
• cannot query rollup data

Expected behavior (Required)

• after rollup job, can query the data under month/year interval segment

What's your LinDB version? (Required)
0.2.1

Screenshots
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Additional context
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