[问题咨询]: 这里设置从数据库配置时，为什么不放在一个逻辑块中？

### 问题描述

```c++
std::pair<int32_t, std::shared_ptr<SqliteConnection>> SqliteConnection::InnerCreate(
    const RdbStoreConfig &config, bool isWrite)
{
    std::pair<int32_t, std::shared_ptr<SqliteConnection>> result = { E_ERROR, nullptr };
    auto &[errCode, conn] = result;
    std::shared_ptr<SqliteConnection> connection = std::make_shared<SqliteConnection>(config, isWrite);
    if (connection == nullptr) {
        LOG_ERROR("connection is nullptr.");
        return result;
    }

RdbStoreConfig slaveCfg = connection->GetSlaveRdbStoreConfig(config);
    errCode = connection->InnerOpen(config);
    if (errCode != E_OK) {
        return result;
    }
    conn = connection;
    if (isWrite && config.GetHaMode() != HAMode::SINGLE) {
        auto [err, slaveConn] = connection->CreateSlaveConnection(slaveCfg, SlaveOpenPolicy::OPEN_IF_DB_VALID);
        if (err == E_OK) {
            conn->slaveConnection_ = slaveConn;
        }
    }
    return result;
}
```
 RdbStoreConfig slaveCfg = connection->GetSlaveRdbStoreConfig(config); 为什么不放在这里？
```c++
    if (isWrite && config.GetHaMode() != HAMode::SINGLE) {
        RdbStoreConfig slaveCfg = connection->GetSlaveRdbStoreConfig(config);
        auto [err, slaveConn] = connection->CreateSlaveConnection(slaveCfg, SlaveOpenPolicy::OPEN_IF_DB_VALID);
        if (err == E_OK) {
            conn->slaveConnection_ = slaveConn;
        }
    }
```

OpenHarmony/distributeddatamgr_relational_store

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