THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Under this mode, extra overhead (lookup and write delete file) will be introduced during writing, but during reading, data can be directly retrieved using "data + filter with position delete", avoiding additional merge costs between different files. Furthermore, this mode can be easily integrated into native engine solutions like Spark + GlutonGluten[3] in the future, thereby significantly enhancing read performance.
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