当前位置: 首页>>代码示例>>Golang>>正文

Golang types.InvOp2函数代码示例

本文整理汇总了Golang中github.com/pingcap/tidb/util/types.InvOp2函数的典型用法代码示例。如果您正苦于以下问题：Golang InvOp2函数的具体用法？Golang InvOp2怎么用？Golang InvOp2使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了InvOp2函数的10个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。

示例1: evalMul

func (o *BinaryOperation) evalMul(a interface{}, b interface{}) (interface{}, error) {
	switch x := a.(type) {
	case int64:
		switch y := b.(type) {
		case int64:
			return types.MulInt64(x, y)
		case uint64:
			return types.MulInteger(y, x)
		}
	case uint64:
		switch y := b.(type) {
		case int64:
			return types.MulInteger(x, y)
		case uint64:
			return types.MulUint64(x, y)
		}
	case float64:
		switch y := b.(type) {
		case float64:
			return x * y, nil
		}
	case mysql.Decimal:
		switch y := b.(type) {
		case mysql.Decimal:
			return x.Mul(y), nil
		}
	}

	return types.InvOp2(a, b, opcode.Mul)
}
开发者ID:nengwang，项目名称:tidb，代码行数:30，代码来源:binop.go

示例2: evalPlus

func (o *BinaryOperation) evalPlus(a interface{}, b interface{}) (interface{}, error) {
	// TODO: check overflow
	switch x := a.(type) {
	case int64:
		switch y := b.(type) {
		case int64:
			return x + y, nil
		case uint64:
			// For MySQL, if any is unsigned, return unsigned
			// TODO: check overflow
			return uint64(x) + y, nil
		}
	case uint64:
		switch y := b.(type) {
		case int64:
			// For MySQL, if any is unsigned, return unsigned
			// TODO: check overflow
			return x + uint64(y), nil
		case uint64:
			return x + y, nil
		}
	case float64:
		switch y := b.(type) {
		case float64:
			return x + y, nil
		}
	case mysql.Decimal:
		switch y := b.(type) {
		case mysql.Decimal:
			return x.Add(y), nil
		}
	}

	return types.InvOp2(a, b, opcode.Plus)
}
开发者ID:eeertekin，项目名称:tidb，代码行数:35，代码来源:binop.go

示例3: evalMinus

func (o *BinaryOperation) evalMinus(a interface{}, b interface{}) (interface{}, error) {
	switch x := a.(type) {
	case int64:
		switch y := b.(type) {
		case int64:
			return types.SubInt64(x, y)
		case uint64:
			return types.SubIntWithUint(x, y)
		}
	case uint64:
		switch y := b.(type) {
		case int64:
			return types.SubUintWithInt(x, y)
		case uint64:
			return types.SubUint64(x, y)
		}
	case float64:
		switch y := b.(type) {
		case float64:
			return x - y, nil
		}
	case mysql.Decimal:
		switch y := b.(type) {
		case mysql.Decimal:
			return x.Sub(y), nil
		}
	}

	return types.InvOp2(a, b, opcode.Minus)
}
开发者ID:nengwang，项目名称:tidb，代码行数:30，代码来源:binop.go

示例4: computePlus

func computePlus(a, b interface{}) (interface{}, error) {
	switch x := a.(type) {
	case int64:
		switch y := b.(type) {
		case int64:
			return types.AddInt64(x, y)
		case uint64:
			return types.AddInteger(y, x)
		}
	case uint64:
		switch y := b.(type) {
		case int64:
			return types.AddInteger(x, y)
		case uint64:
			return types.AddUint64(x, y)
		}
	case float64:
		switch y := b.(type) {
		case float64:
			return x + y, nil
		}
	case mysql.Decimal:
		switch y := b.(type) {
		case mysql.Decimal:
			return x.Add(y), nil
		}
	}
	return types.InvOp2(a, b, opcode.Plus)
}
开发者ID:lovedboy，项目名称:tidb，代码行数:29，代码来源:evaluator_binop.go

示例5: evalMod

func (o *BinaryOperation) evalMod(a interface{}, b interface{}) (interface{}, error) {
	switch x := a.(type) {
	case int64:
		switch y := b.(type) {
		case int64:
			if y == 0 {
				return nil, nil
			}
			return x % y, nil
		case uint64:
			if y == 0 {
				return nil, nil
			} else if x < 0 {
				// TODO: check overflow
				return -int64(uint64(-x) % y), nil
			}
			// TODO: check overflow
			return uint64(x) % y, nil
		}
	case uint64:
		switch y := b.(type) {
		case int64:
			if y == 0 {
				return nil, nil
			} else if y < 0 {
				// TODO: check overflow
				return -int64(x % uint64(-y)), nil
			}
			// TODO: check overflow
			return x % uint64(y), nil
		case uint64:
			if y == 0 {
				return nil, nil
			}
			return x % y, nil
		}
	case float64:
		switch y := b.(type) {
		case float64:
			if y == 0 {
				return nil, nil
			}
			return math.Mod(x, y), nil
		}
	case mysql.Decimal:
		switch y := b.(type) {
		case mysql.Decimal:
			xf, _ := x.Float64()
			yf, _ := y.Float64()
			if yf == 0 {
				return nil, nil
			}
			return math.Mod(xf, yf), nil
		}
	}

	return types.InvOp2(a, b, opcode.Mod)
}
开发者ID:eeertekin，项目名称:tidb，代码行数:58，代码来源:binop.go

示例6: computeMod

func computeMod(a, b interface{}) (interface{}, error) {
	switch x := a.(type) {
	case int64:
		switch y := b.(type) {
		case int64:
			if y == 0 {
				return nil, nil
			}
			return x % y, nil
		case uint64:
			if y == 0 {
				return nil, nil
			} else if x < 0 {
				// first is int64, return int64.
				return -int64(uint64(-x) % y), nil
			}
			return int64(uint64(x) % y), nil
		}
	case uint64:
		switch y := b.(type) {
		case int64:
			if y == 0 {
				return nil, nil
			} else if y < 0 {
				// first is uint64, return uint64.
				return uint64(x % uint64(-y)), nil
			}
			return x % uint64(y), nil
		case uint64:
			if y == 0 {
				return nil, nil
			}
			return x % y, nil
		}
	case float64:
		switch y := b.(type) {
		case float64:
			if y == 0 {
				return nil, nil
			}
			return math.Mod(x, y), nil
		}
	case mysql.Decimal:
		switch y := b.(type) {
		case mysql.Decimal:
			xf, _ := x.Float64()
			yf, _ := y.Float64()
			if yf == 0 {
				return nil, nil
			}
			return math.Mod(xf, yf), nil
		}
	}

	return types.InvOp2(a, b, opcode.Mod)
}
开发者ID:lovedboy，项目名称:tidb，代码行数:56，代码来源:evaluator_binop.go

示例7: computeMul

func computeMul(a, b types.Datum) (d types.Datum, err error) {
	switch a.Kind() {
	case types.KindInt64:
		switch b.Kind() {
		case types.KindInt64:
			r, err1 := types.MulInt64(a.GetInt64(), b.GetInt64())
			d.SetInt64(r)
			return d, errors.Trace(err1)
		case types.KindUint64:
			r, err1 := types.MulInteger(b.GetUint64(), a.GetInt64())
			d.SetUint64(r)
			return d, errors.Trace(err1)
		}
	case types.KindUint64:
		switch b.Kind() {
		case types.KindInt64:
			r, err1 := types.MulInteger(a.GetUint64(), b.GetInt64())
			d.SetUint64(r)
			return d, errors.Trace(err1)
		case types.KindUint64:
			r, err1 := types.MulUint64(a.GetUint64(), b.GetUint64())
			d.SetUint64(r)
			return d, errors.Trace(err1)
		}
	case types.KindFloat64:
		switch b.Kind() {
		case types.KindFloat64:
			r := a.GetFloat64() * b.GetFloat64()
			d.SetFloat64(r)
			return d, nil
		}
	case types.KindMysqlDecimal:
		switch b.Kind() {
		case types.KindMysqlDecimal:
			r := a.GetMysqlDecimal().Mul(b.GetMysqlDecimal())
			d.SetMysqlDecimal(r)
			return d, nil
		}
	}

	_, err = types.InvOp2(a.GetValue(), b.GetValue(), opcode.Mul)
	return d, errors.Trace(err)
}
开发者ID:astaxie，项目名称:tidb，代码行数:43，代码来源:evaluator_binop.go

示例8: computeMinus

func computeMinus(a, b types.Datum) (d types.Datum, err error) {
	switch a.Kind() {
	case types.KindInt64:
		switch b.Kind() {
		case types.KindInt64:
			r, err1 := types.SubInt64(a.GetInt64(), b.GetInt64())
			d.SetInt64(r)
			return d, errors.Trace(err1)
		case types.KindUint64:
			r, err1 := types.SubIntWithUint(a.GetInt64(), b.GetUint64())
			d.SetUint64(r)
			return d, errors.Trace(err1)
		}
	case types.KindUint64:
		switch b.Kind() {
		case types.KindInt64:
			r, err1 := types.SubUintWithInt(a.GetUint64(), b.GetInt64())
			d.SetUint64(r)
			return d, errors.Trace(err1)
		case types.KindUint64:
			r, err1 := types.SubUint64(a.GetUint64(), b.GetUint64())
			d.SetUint64(r)
			return d, errors.Trace(err1)
		}
	case types.KindFloat64:
		switch b.Kind() {
		case types.KindFloat64:
			r := a.GetFloat64() - b.GetFloat64()
			d.SetFloat64(r)
			return d, nil
		}
	case types.KindMysqlDecimal:
		switch b.Kind() {
		case types.KindMysqlDecimal:
			r := a.GetMysqlDecimal().Sub(b.GetMysqlDecimal())
			d.SetMysqlDecimal(r)
			return d, nil
		}
	}
	_, err = types.InvOp2(a.GetValue(), b.GetValue(), opcode.Minus)
	return d, errors.Trace(err)
}
开发者ID:astaxie，项目名称:tidb，代码行数:42，代码来源:evaluator_binop.go

示例9: evalMul

func (o *BinaryOperation) evalMul(a interface{}, b interface{}) (interface{}, error) {
	// TODO: check overflow
	switch x := a.(type) {
	case int64:
		switch y := b.(type) {
		case int64:
			return x * y, nil
		case uint64:
			// For MySQL, if any is unsigned, return unsigned
			// TODO: check overflow and negative number
			// if a negative int64 * uint64, MySQL may throw "BIGINT UNSIGNED value is out of range" error
			// we skip it now and handle it later.
			return uint64(x) * y, nil
		}
	case uint64:
		switch y := b.(type) {
		case int64:
			// For MySQL, if any is unsigned, return unsigned
			// TODO: check overflow
			return x * uint64(y), nil
		case uint64:
			return x * y, nil
		}
	case float64:
		switch y := b.(type) {
		case float64:
			return x * y, nil
		}
	case mysql.Decimal:
		switch y := b.(type) {
		case mysql.Decimal:
			return x.Mul(y), nil
		}
	}

	return types.InvOp2(a, b, opcode.Mul)
}
开发者ID:eeertekin，项目名称:tidb，代码行数:37，代码来源:binop.go

示例10: computeMod

func computeMod(a, b types.Datum) (d types.Datum, err error) {
	switch a.Kind() {
	case types.KindInt64:
		x := a.GetInt64()
		switch b.Kind() {
		case types.KindInt64:
			y := b.GetInt64()
			if y == 0 {
				return d, nil
			}
			d.SetInt64(x % y)
			return d, nil
		case types.KindUint64:
			y := b.GetUint64()
			if y == 0 {
				return d, nil
			} else if x < 0 {
				d.SetInt64(-int64(uint64(-x) % y))
				// first is int64, return int64.
				return d, nil
			}
			d.SetInt64(int64(uint64(x) % y))
			return d, nil
		}
	case types.KindUint64:
		x := a.GetUint64()
		switch b.Kind() {
		case types.KindInt64:
			y := b.GetInt64()
			if y == 0 {
				return d, nil
			} else if y < 0 {
				// first is uint64, return uint64.
				d.SetUint64(uint64(x % uint64(-y)))
				return d, nil
			}
			d.SetUint64(x % uint64(y))
			return d, nil
		case types.KindUint64:
			y := b.GetUint64()
			if y == 0 {
				return d, nil
			}
			d.SetUint64(x % y)
			return d, nil
		}
	case types.KindFloat64:
		x := a.GetFloat64()
		switch b.Kind() {
		case types.KindFloat64:
			y := b.GetFloat64()
			if y == 0 {
				return d, nil
			}
			d.SetFloat64(math.Mod(x, y))
			return d, nil
		}
	case types.KindMysqlDecimal:
		x := a.GetMysqlDecimal()
		switch b.Kind() {
		case types.KindMysqlDecimal:
			y := b.GetMysqlDecimal()
			xf, _ := x.Float64()
			yf, _ := y.Float64()
			if yf == 0 {
				return d, nil
			}
			d.SetFloat64(math.Mod(xf, yf))
			return d, nil
		}
	}
	_, err = types.InvOp2(a.GetValue(), b.GetValue(), opcode.Mod)
	return d, errors.Trace(err)
}
开发者ID:astaxie，项目名称:tidb，代码行数:74，代码来源:evaluator_binop.go


注：本文中的github.com/pingcap/tidb/util/types.InvOp2函数示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。