[enhancement] proxy: migrate prepare stmts when connection is transferred from one cn to another one. #14901
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volgariver6
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zhangxu19830126,
daviszhen,
qingxinhome,
nnsgmsone and
reusee
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qingxinhome
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Mar 12, 2024
…rred from one cn to another one. (matrixorigin#14609)
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zhangxu19830126
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What type of PR is this?
Which issue(s) this PR fixes:
issue #13891
What this PR does / why we need it:
Currently, if a prepare stmt is not closed, the connection is not allowed to transfer to another cn.
This PR migrates the prepare stmts from the previous cn to the new one.