ou yuanning

在处理prepare重构，还没时间看

no progress

this is a feature: support correlated subqueries in projection. i think this issue should be suspended until the feature is finished.

this is a feature: support correlated subqueries in projection. i think this issue should be suspended until the feature is finished.

this is a feature: support correlated subqueries in projection. i think this issue should be suspended until the feature is finished.

this is a feature: support correlated subqueries in projection. i think this issue should be suspended until the feature is finished.

fixed

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