Zkplo commented on code in PR #10970:
URL: https://github.com/apache/inlong/pull/10970#discussion_r1740276250
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inlong-sdk/transform-sdk/src/main/java/org/apache/inlong/sdk/transform/process/parser/SignParser.java:
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@@ -21,29 +21,40 @@
import org.apache.inlong.sdk.transform.process.Context;
import org.apache.inlong.sdk.transform.process.operator.OperatorTools;
+import lombok.extern.slf4j.Slf4j;
import net.sf.jsqlparser.expression.SignedExpression;
import java.math.BigDecimal;
/**
* SignParser
- *
*/
+@Slf4j
@TransformParser(values = SignedExpression.class)
public class SignParser implements ValueParser {
- private final Integer sign;
+ private final char sign;
private final ValueParser number;
public SignParser(SignedExpression expr) {
- sign = expr.getSign() == '-' ? -1 : 1;
+ sign = expr.getSign();
number = OperatorTools.buildParser(expr.getExpression());
}
@Override
public Object parse(SourceData sourceData, int rowIndex, Context context) {
- Object numberObject = number.parse(sourceData, rowIndex, context);
- BigDecimal numberValue = OperatorTools.parseBigDecimal(numberObject);
- return numberValue.multiply(new BigDecimal(sign));
+ try {
+ Object numberObject = number.parse(sourceData, rowIndex, context);
+ BigDecimal numberValue =
OperatorTools.parseBigDecimal(numberObject);
+ switch (sign) {
+ case '-':
+ return numberValue.multiply(new BigDecimal(-1));
+ case '~':
+ return
Long.toUnsignedString(numberValue.toBigInteger().not().longValue());
Review Comment:
According to the official documentation of MySQL:
https://dev.mysql.com/doc/refman/8.4/en/bit-functions.html . Bit operations are
defined on 64 bit unsigned integers, so "~-4" is equal to "3", but "~4" is no
longer equal to "3" , but is equal to "1844674407909551612" .
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