Hisoka-X commented on code in PR #9628:
URL: https://github.com/apache/seatunnel/pull/9628#discussion_r2241464119
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seatunnel-connectors-v2/connector-cdc/connector-cdc-mysql/src/main/java/org/apache/seatunnel/connectors/seatunnel/cdc/mysql/utils/MySqlConnectionUtils.java:
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@@ -185,4 +192,87 @@ private static Map<String, String> querySystemVariables(
return variables;
}
+
+ public static BinlogOffset findBinlogOffsetBytimestamp(
+ JdbcConnection jdbc, BinaryLogClient client, long timestamp) {
+ final String showBinaryLogStmt = "SHOW BINARY LOGS";
+ List<String> binlogFiles = new ArrayList<>();
+ JdbcConnection.ResultSetConsumer rsc =
+ rs -> {
+ while (rs.next()) {
+ String fileName = rs.getString(1);
+ long fileSize = rs.getLong(2);
+ if (fileSize > 0) {
+ binlogFiles.add(fileName);
+ }
+ }
+ };
+ try {
+ jdbc.query(showBinaryLogStmt, rsc);
+ if (binlogFiles.isEmpty()) {
+ return BinlogOffset.INITIAL_OFFSET;
+ }
+ String binlogName = searchBinlogName(client, timestamp,
binlogFiles);
+ return new BinlogOffset(binlogName, 0);
Review Comment:
Can we achieve accurate reading by filtering the data parsed from binlog?
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