add error close in PooledBackendConn - Githubissues

tidb-incubator / weir

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add error close in PooledBackendConn #15

Closed teckick closed 3 years ago

teckick commented 3 years ago

add error close in PooledBackendConn

What problem does this PR solve?

Currently, closing a PooledBackendConn may cause connection pool size decrease. This PR add ErrorClose() to solve it.

What is changed and how it works?

Check List

Tests

Integration test (in tests/)

Side effects

Breaking backward compatibility (interface changes)