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Fix numeric EncodeBinary bug

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This commit is contained in:
Wei Congrui
2017-08-18 15:20:39 +08:00
parent 10fa3a6497
commit f18a22e066
2 changed files with 43 additions and 3 deletions
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numeric.go
+7 -3
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@@ -16,6 +16,7 @@ import (
const nbase = 10000
var big0 *big.Int = big.NewInt(0)
var big1 *big.Int = big.NewInt(1)
var big10 *big.Int = big.NewInt(10)
var big100 *big.Int = big.NewInt(100)
var big1000 *big.Int = big.NewInt(1000)
@@ -507,6 +508,7 @@ func (src *Numeric) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) {
divisor := &big.Int{}
divisor.Exp(big10, big.NewInt(int64(-exp)), nil)
wholePart.DivMod(absInt, divisor, fracPart)
fracPart.Add(fracPart, divisor)
} else {
wholePart = absInt
}
@@ -518,9 +520,11 @@ func (src *Numeric) EncodeBinary(ci *ConnInfo, buf []byte) ([]byte, error) {
wholeDigits = append(wholeDigits, int16(remainder.Int64()))
}
for fracPart.Cmp(big0) != 0 {
fracPart.DivMod(fracPart, bigNBase, remainder)
fracDigits = append(fracDigits, int16(remainder.Int64()))
if fracPart.Cmp(big0) != 0 {
for fracPart.Cmp(big1) != 0 {
fracPart.DivMod(fracPart, bigNBase, remainder)
fracDigits = append(fracDigits, int16(remainder.Int64()))
}
}
buf = pgio.AppendInt16(buf, int16(len(wholeDigits)+len(fracDigits)))