↓ 17 callersMethoddoubleCompareCompares two Double numeric object. @return -1, 0, or 1 as this {@code arg1} is numerically less than, equal to, or greater than {@code arg2}.
flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/main/java/org/apache/flink/cdc/connectors/mysql/source/utils/ObjectUtils.java:98