[FLINK-37191][mysql] Avoid back filling if the lowWatermark of BinlogSplit is equal to highWatermark.#3902

leonardBang merged 4 commits intoapache:masterapache/flink-cdc:masterfrom

lvyanquan:FLINK-37191lvyanquan/flink-cdc:FLINK-37191Copy head branch name to clipboard