flink-cdc-connect/flink-cdc-source-connectors/flink-connector-db2-cdc/src/main/java/org/apache/flink/cdc/connectors/db2/source/utils/Db2Utils.java [181:226]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
            return new LsnOffset(maxLsn, maxLsn, null);
        } catch (SQLException e) {
            throw new FlinkRuntimeException(e.getMessage(), e);
        }
    }

    /** Get split scan query for the given table. */
    public static String buildSplitScanQuery(
            TableId tableId, RowType pkRowType, boolean isFirstSplit, boolean isLastSplit) {
        return buildSplitQuery(tableId, pkRowType, isFirstSplit, isLastSplit, -1, true);
    }

    /** Get table split data PreparedStatement. */
    public static PreparedStatement readTableSplitDataStatement(
            JdbcConnection jdbc,
            String sql,
            boolean isFirstSplit,
            boolean isLastSplit,
            Object[] splitStart,
            Object[] splitEnd,
            int primaryKeyNum,
            int fetchSize) {
        try {
            final PreparedStatement statement = initStatement(jdbc, sql, fetchSize);
            if (isFirstSplit && isLastSplit) {
                return statement;
            }
            if (isFirstSplit) {
                for (int i = 0; i < primaryKeyNum; i++) {
                    statement.setObject(i + 1, splitEnd[i]);
                    statement.setObject(i + 1 + primaryKeyNum, splitEnd[i]);
                }
            } else if (isLastSplit) {
                for (int i = 0; i < primaryKeyNum; i++) {
                    statement.setObject(i + 1, splitStart[i]);
                }
            } else {
                for (int i = 0; i < primaryKeyNum; i++) {
                    statement.setObject(i + 1, splitStart[i]);
                    statement.setObject(i + 1 + primaryKeyNum, splitEnd[i]);
                    statement.setObject(i + 1 + 2 * primaryKeyNum, splitEnd[i]);
                }
            }
            return statement;
        } catch (Exception e) {
            throw new RuntimeException("Failed to build the split data read statement.", e);
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



flink-cdc-connect/flink-cdc-source-connectors/flink-connector-sqlserver-cdc/src/main/java/org/apache/flink/cdc/connectors/sqlserver/source/utils/SqlServerUtils.java [181:226]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
            return new LsnOffset(maxLsn, maxLsn, null);
        } catch (SQLException e) {
            throw new FlinkRuntimeException(e.getMessage(), e);
        }
    }

    /** Get split scan query for the given table. */
    public static String buildSplitScanQuery(
            TableId tableId, RowType pkRowType, boolean isFirstSplit, boolean isLastSplit) {
        return buildSplitQuery(tableId, pkRowType, isFirstSplit, isLastSplit, -1, true);
    }

    /** Get table split data PreparedStatement. */
    public static PreparedStatement readTableSplitDataStatement(
            JdbcConnection jdbc,
            String sql,
            boolean isFirstSplit,
            boolean isLastSplit,
            Object[] splitStart,
            Object[] splitEnd,
            int primaryKeyNum,
            int fetchSize) {
        try {
            final PreparedStatement statement = initStatement(jdbc, sql, fetchSize);
            if (isFirstSplit && isLastSplit) {
                return statement;
            }
            if (isFirstSplit) {
                for (int i = 0; i < primaryKeyNum; i++) {
                    statement.setObject(i + 1, splitEnd[i]);
                    statement.setObject(i + 1 + primaryKeyNum, splitEnd[i]);
                }
            } else if (isLastSplit) {
                for (int i = 0; i < primaryKeyNum; i++) {
                    statement.setObject(i + 1, splitStart[i]);
                }
            } else {
                for (int i = 0; i < primaryKeyNum; i++) {
                    statement.setObject(i + 1, splitStart[i]);
                    statement.setObject(i + 1 + primaryKeyNum, splitEnd[i]);
                    statement.setObject(i + 1 + 2 * primaryKeyNum, splitEnd[i]);
                }
            }
            return statement;
        } catch (Exception e) {
            throw new RuntimeException("Failed to build the split data read statement.", e);
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -