HappenLee commented on code in PR #18277:
URL: https://github.com/apache/doris/pull/18277#discussion_r1155455320
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fe/fe-core/src/main/java/org/apache/doris/mysql/MysqlSerializer.java:
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@@ -253,17 +255,53 @@ private int getMysqlTypeLength(PrimitiveType type) {
return 10;
case DATETIME:
case DATETIMEV2: {
- if (type.isTimeType()) {
+ if (type.getPrimitiveType().isTimeType()) {
return 10;
- } else {
+ } else {
return 19;
}
}
+ case DECIMALV2:
+ case DECIMAL32:
+ case DECIMAL64:
+ case DECIMAL128: {
+ // f.getDecimals() > 0 ? clampedGetLength(f) - 1 +
f.getPrecisionAdjustFactor() :
+ // clampedGetLength(f) + f.getPrecisionAdjustFactor();
+ ScalarType decimalType = (ScalarType) type;
+ int precision = decimalType.decimalPrecision();
+ int scale = decimalType.decimalScale();
+ if (scale > 0) {
+ precision += 2;
+ } else {
Review Comment:
why scale == 0 need +=1 ？
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