Update README
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README.md
19
README.md
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@ -245,35 +245,38 @@ for rows.Next() {
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```Go
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```Go
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affected, err := engine.ID(1).Update(&user)
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affected, err := engine.ID(1).Update(&user)
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// UPDATE user SET ... Where id = ?
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// UPDATE user SET ... WHERE id = ?
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affected, err := engine.Update(&user, &User{Name:name})
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affected, err := engine.Update(&user, &User{Name:name})
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// UPDATE user SET ... Where name = ?
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// UPDATE user SET ... WHERE name = ?
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var ids = []int64{1, 2, 3}
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var ids = []int64{1, 2, 3}
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affected, err := engine.In("id", ids).Update(&user)
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affected, err := engine.In("id", ids).Update(&user)
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// UPDATE user SET ... Where id IN (?, ?, ?)
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// UPDATE user SET ... WHERE id IN (?, ?, ?)
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// force update indicated columns by Cols
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// force update indicated columns by Cols
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affected, err := engine.ID(1).Cols("age").Update(&User{Name:name, Age: 12})
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affected, err := engine.ID(1).Cols("age").Update(&User{Name:name, Age: 12})
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// UPDATE user SET age = ?, updated=? Where id = ?
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// UPDATE user SET age = ?, updated=? WHERE id = ?
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// force NOT update indicated columns by Omit
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// force NOT update indicated columns by Omit
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affected, err := engine.ID(1).Omit("name").Update(&User{Name:name, Age: 12})
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affected, err := engine.ID(1).Omit("name").Update(&User{Name:name, Age: 12})
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// UPDATE user SET age = ?, updated=? Where id = ?
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// UPDATE user SET age = ?, updated=? WHERE id = ?
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affected, err := engine.ID(1).AllCols().Update(&user)
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affected, err := engine.ID(1).AllCols().Update(&user)
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// UPDATE user SET name=?,age=?,salt=?,passwd=?,updated=? Where id = ?
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// UPDATE user SET name=?,age=?,salt=?,passwd=?,updated=? WHERE id = ?
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```
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```
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* `Delete` delete one or more records, Delete MUST have condition
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* `Delete` delete one or more records, Delete MUST have condition
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```Go
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```Go
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affected, err := engine.Where(...).Delete(&user)
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affected, err := engine.Where(...).Delete(&user)
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// DELETE FROM user Where ...
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// DELETE FROM user WHERE ...
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affected, err := engine.ID(2).Delete(&user)
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affected, err := engine.ID(2).Delete(&user)
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// DELETE FROM user Where id = ?
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// DELETE FROM user WHERE id = ?
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affected, err := engine.Table("user").Where(...).Delete()
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// DELETE FROM user WHERE ...
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```
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```
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* `Count` count records
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* `Count` count records
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@ -271,6 +271,9 @@ affected, err := engine.Where(...).Delete(&user)
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affected, err := engine.ID(2).Delete(&user)
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affected, err := engine.ID(2).Delete(&user)
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// DELETE FROM user Where id = ?
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// DELETE FROM user Where id = ?
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affected, err := engine.Table("user").Where(...).Delete()
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// DELETE FROM user WHERE ...
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```
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```
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* `Count` 获取记录条数
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* `Count` 获取记录条数
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