DBZ-1113 allow adding multiple partitions in a single statement

debezium-connector-mysql/src/main/java/io/debezium/connector/mysql/MySqlDdlParser.java

@@ -1268,7 +1268,9 @@ protected void parseAlterSpecification(Marker start, TableEditor table, Consumer
                 tokens.canConsume("COLUMN");
                 parseCreateDefinitionList(start, table);
             } else if (tokens.canConsume("PARTITION", "(")) {
+                do {
                     parsePartitionDefinition(start, table);
+                } while (tokens.canConsume(','));
                 tokens.consume(')');
             } else {
                 parseCreateDefinition(start, table, true);

debezium-connector-mysql/src/test/java/io/debezium/connector/mysql/MySqlAntlrDdlParserTest.java

@@ -379,6 +379,16 @@ public void parseAddPartition() {
         assertThat(tables.forTable(new TableId(null, null, "flat_view_request_log"))).isNotNull();
     }
 
+    @Test
+    @FixFor("DBZ-1113")
+    public void parseAddMultiplePartitions() {
+        String ddl =
+                "CREATE TABLE test (id INT, PRIMARY KEY (id));"
+              + "ALTER TABLE test ADD PARTITION (PARTITION p1 VALUES LESS THAN (10), PARTITION p_max VALUES LESS THAN MAXVALUE);";
+        parser.parse(ddl, tables);
+        assertThat(tables.size()).isEqualTo(1);
+    }
+
     @Test
     @FixFor("DBZ-688")
     public void parseGeomCollection() {

debezium-ddl-parser/src/main/antlr4/io/debezium/ddl/parser/mysql/generated/MySqlParser.g4

@@ -629,7 +629,10 @@ alterSpecification
     | IMPORT TABLESPACE                                             #alterByImportTablespace
     | FORCE                                                         #alterByForce
     | validationFormat=(WITHOUT | WITH) VALIDATION                  #alterByValidate
-    | ADD PARTITION '(' partitionDefinition ')'                     #alterByAddPartition
+    | ADD PARTITION
+        '('
+          partitionDefinition (',' partitionDefinition)*
+        ')'                                                         #alterByAddPartition
     | DROP PARTITION uidList                                        #alterByDropPartition
     | DISCARD PARTITION (uidList | ALL) TABLESPACE                  #alterByDiscardPartition
     | IMPORT PARTITION (uidList | ALL) TABLESPACE                   #alterByImportPartition