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Posted to issues@flink.apache.org by "suhwan-cheon (via GitHub)" <gi...@apache.org> on 2025/11/22 03:58:51 UTC
Re: [PR] [FLINK-38247] Handle BIGINT UNSIGNED overflow in PreparedStatement [flink-cdc]
suhwan-cheon commented on code in PR #4117:
URL: https://github.com/apache/flink-cdc/pull/4117#discussion_r2551970182
##########
flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/test/java/org/apache/flink/cdc/connectors/mysql/source/MySqlSourceITCase.java:
##########
@@ -1447,6 +1448,98 @@ private boolean hasNextData(final CloseableIterator<?> iterator)
}
}
+ @Test
+ void testUnsignedBigintPrimaryKeyChunking() throws Exception {
+ customDatabase.createAndInitialize();
+
+ String db = customDatabase.getDatabaseName();
+ String table = "unsigned_bigint_pk";
+ try (MySqlConnection connection = getConnection()) {
+ connection.setAutoCommit(false);
+ String createSql =
+ String.format(
+ "CREATE TABLE %s.%s (\n"
+ + " `order_id` BIGINT UNSIGNED NOT NULL,\n"
+ + " `desc` VARCHAR(512) NOT NULL,\n"
+ + " PRIMARY KEY (`order_id`)\n"
+ + ") ENGINE=InnoDB DEFAULT CHARSET=utf8;",
+ StatementUtils.quote(db), StatementUtils.quote(table));
+ // Insert sample data including values near UNSIGNED BIGINT max
+ String insertSql =
+ String.format(
+ "INSERT INTO %s.%s (`order_id`, `desc`) VALUES "
+ + "(1, 'flink'),(2, 'flink'),(3, 'flink'),(4, 'flink'),(5, 'flink'),"
+ + "(6, 'flink'),(7, 'flink'),(8, 'flink'),(9, 'flink'),(10, 'flink'),"
+ + "(11, 'flink'),(12, 'flink'),"
+ + "(18446744073709551604, 'flink'),(18446744073709551605, 'flink'),"
+ + "(18446744073709551606, 'flink'),(18446744073709551607, 'flink'),"
+ + "(18446744073709551608, 'flink'),(18446744073709551609, 'flink'),"
+ + "(18446744073709551610, 'flink'),(18446744073709551611, 'flink'),"
+ + "(18446744073709551612, 'flink'),(18446744073709551613, 'flink'),"
+ + "(18446744073709551614, 'flink'),(18446744073709551615, 'flink');",
+ StatementUtils.quote(db), StatementUtils.quote(table));
+ // Drop if exists to be idempotent across runs, then create and insert
+ connection.execute(
+ String.format(
+ "DROP TABLE IF EXISTS %s.%s;",
+ StatementUtils.quote(db), StatementUtils.quote(table)),
+ createSql,
+ insertSql);
+ connection.commit();
+ }
+
+ // Build a source reading only the unsigned_bigint_pk table
+ DataType dataType =
+ DataTypes.ROW(
+ DataTypes.FIELD("order_id", DataTypes.DECIMAL(20, 0)),
+ DataTypes.FIELD("desc", DataTypes.STRING()));
+ LogicalType logicalType = TypeConversions.fromDataToLogicalType(dataType);
+ InternalTypeInfo<RowData> typeInfo = InternalTypeInfo.of(logicalType);
+ RowDataDebeziumDeserializeSchema deserializer =
+ RowDataDebeziumDeserializeSchema.newBuilder()
+ .setPhysicalRowType((RowType) dataType.getLogicalType())
+ .setResultTypeInfo(typeInfo)
+ .build();
+
+ MySqlSource<RowData> source =
+ MySqlSource.<RowData>builder()
+ .hostname(MYSQL_CONTAINER.getHost())
+ .port(MYSQL_CONTAINER.getDatabasePort())
+ .username(customDatabase.getUsername())
+ .password(customDatabase.getPassword())
+ .serverTimeZone("UTC")
+ .databaseList(db)
+ .tableList(db + "." + table)
+ .deserializer(deserializer)
+ .startupOptions(StartupOptions.initial())
+ .chunkKeyColumn(new ObjectPath(db, table), "order_id")
Review Comment:
Sorry for the late reply.
I've checked that there's a problem, and I'll try to fix it as soon as possible!
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