fix

fix

fix

Author: zml1206

flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-postgres/src/main/antlr4/org/apache/flink/cdc/connectors/postgres/source/parser/PostgreSQLLexer.g4

@@ -15,6 +15,8 @@
  * limitations under the License.
  */
 
+// Based on https://github.com/antlr/grammars-v4/blob/master/sql/postgresql/PostgreSQLLexer.g4.
+
 // $antlr-format alignTrailingComments true, columnLimit 150, maxEmptyLinesToKeep 1, reflowComments false, useTab false
 // $antlr-format allowShortRulesOnASingleLine true, allowShortBlocksOnASingleLine true, minEmptyLines 0, alignSemicolons ownLine
 // $antlr-format alignColons trailing, singleLineOverrulesHangingColon true, alignLexerCommands true, alignLabels true, alignTrailers true