db

package

v0.0.0-...-4c53254 Latest Latest Go to latest Published: Oct 14, 2015 License: MIT Imports: 6 Imported by: 2

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读取配置, 创建全局的 sqlx.DB 对象, 根据 query 创建 Stmt 对象并缓存该对象.

Stmt 对象维持了"没有关闭的数据库连接"的 driver.Stmt 对象, 这个是轻资源, 并不会维持连接不关闭; 如果这些轻资源会有很大的负面影响, 可以考虑 LRU, 不过目前我觉得还没有必要.

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func CloseAllStmt()

CloseAllStmt 关闭所有缓存的 Stmt, 释放资源. 一般情况下没有必要调用该函数.

func CloseDB() error

CloseDB 关闭数据库连接, 释放资源. 一般情况下没有必要调用该函数.

func GetDB() *sqlx.DB

func GetNamedStmt(query string) (stmt *sqlx.NamedStmt, err error)

func GetStmt(query string) (stmt *sqlx.Stmt, err error)

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