Update README

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Lunny Xiao 2021-06-08 17:09:47 +08:00
parent 286a929433
commit 4552e26d7b
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2 changed files with 14 additions and 8 deletions

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@ -245,35 +245,38 @@ for rows.Next() {
```Go ```Go
affected, err := engine.ID(1).Update(&user) affected, err := engine.ID(1).Update(&user)
// UPDATE user SET ... Where id = ? // UPDATE user SET ... WHERE id = ?
affected, err := engine.Update(&user, &User{Name:name}) affected, err := engine.Update(&user, &User{Name:name})
// UPDATE user SET ... Where name = ? // UPDATE user SET ... WHERE name = ?
var ids = []int64{1, 2, 3} var ids = []int64{1, 2, 3}
affected, err := engine.In("id", ids).Update(&user) affected, err := engine.In("id", ids).Update(&user)
// UPDATE user SET ... Where id IN (?, ?, ?) // UPDATE user SET ... WHERE id IN (?, ?, ?)
// force update indicated columns by Cols // force update indicated columns by Cols
affected, err := engine.ID(1).Cols("age").Update(&User{Name:name, Age: 12}) affected, err := engine.ID(1).Cols("age").Update(&User{Name:name, Age: 12})
// UPDATE user SET age = ?, updated=? Where id = ? // UPDATE user SET age = ?, updated=? WHERE id = ?
// force NOT update indicated columns by Omit // force NOT update indicated columns by Omit
affected, err := engine.ID(1).Omit("name").Update(&User{Name:name, Age: 12}) affected, err := engine.ID(1).Omit("name").Update(&User{Name:name, Age: 12})
// UPDATE user SET age = ?, updated=? Where id = ? // UPDATE user SET age = ?, updated=? WHERE id = ?
affected, err := engine.ID(1).AllCols().Update(&user) affected, err := engine.ID(1).AllCols().Update(&user)
// UPDATE user SET name=?,age=?,salt=?,passwd=?,updated=? Where id = ? // UPDATE user SET name=?,age=?,salt=?,passwd=?,updated=? WHERE id = ?
``` ```
* `Delete` delete one or more records, Delete MUST have condition * `Delete` delete one or more records, Delete MUST have condition
```Go ```Go
affected, err := engine.Where(...).Delete(&user) affected, err := engine.Where(...).Delete(&user)
// DELETE FROM user Where ... // DELETE FROM user WHERE ...
affected, err := engine.ID(2).Delete(&user) affected, err := engine.ID(2).Delete(&user)
// DELETE FROM user Where id = ? // DELETE FROM user WHERE id = ?
affected, err := engine.Table("user").Where(...).Delete()
// DELETE FROM user WHERE ...
``` ```
* `Count` count records * `Count` count records

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@ -271,6 +271,9 @@ affected, err := engine.Where(...).Delete(&user)
affected, err := engine.ID(2).Delete(&user) affected, err := engine.ID(2).Delete(&user)
// DELETE FROM user Where id = ? // DELETE FROM user Where id = ?
affected, err := engine.Table("user").Where(...).Delete()
// DELETE FROM user WHERE ...
``` ```
* `Count` 获取记录条数 * `Count` 获取记录条数