branch-3.0: [opt](mtmv) Optimize plan generate when create mtmv and use mtmv cache when collect table of mtmv #44786#45022
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…e when collect table of mtmv (#44786) Optimize plan generate when create mtmv and use mtmv cache when collect table of mtmv 1. Reuse plans when creating materialized views to minimize plan generation overhead. 2. During recursive base table resolution for MTMVs, prioritize MTMV cache lookup. Fall back to real-time generation only when cache miss occurs.
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Cherry-picked from #44786