add support for mariadb event types

Author: Jin Huang

.editorconfig

@@ -9,4 +9,4 @@ trim_trailing_whitespace = true
 insert_final_newline = true
 
 [*.md]
-trim_trailing_whitespace = false
+trim_trailing_whitespace = false

src/main/java/com/github/shyiko/mysql/binlog/BinaryLogClient.java

@@ -422,9 +422,9 @@ public long getHeartbeatInterval() {
      * <p>
      * If set (recommended)
      * <ul>
-     * <li> HEARTBEAT event will be emitted every "heartbeatInterval".
+     * <li> HEARTBEAT_LOG event will be emitted every "heartbeatInterval".
      * <li> if {@link #setKeepAlive(boolean)} is on then keepAlive thread will attempt to reconnect if no
-     *   HEARTBEAT events were received within {@link #setKeepAliveInterval(long)} (instead of trying to send
+     *   HEARTBEAT_LOG events were received within {@link #setKeepAliveInterval(long)} (instead of trying to send
      *   PING every {@link #setKeepAliveInterval(long)}, which is fundamentally flawed -
      *   https://github.com/shyiko/mysql-binlog-connector-java/issues/118).
      * </ul>
@@ -574,7 +574,7 @@ public void connect() throws IOException {
             ensureEventDataDeserializer(EventType.ROTATE, RotateEventDataDeserializer.class);
             synchronized (gtidSetAccessLock) {
                 if (gtidSet != null) {
-                    ensureEventDataDeserializer(EventType.GTID, GtidEventDataDeserializer.class);
+                    ensureEventDataDeserializer(EventType.GTID_LOG, GtidEventDataDeserializer.class);
                     ensureEventDataDeserializer(EventType.QUERY, QueryEventDataDeserializer.class);
                 }
             }
@@ -1035,7 +1035,7 @@ private void updateGtidSet(Event event) {
         }
         EventHeader eventHeader = event.getHeader();
         switch(eventHeader.getEventType()) {
-            case GTID:
+            case GTID_LOG:
                 GtidEventData gtidEventData = (GtidEventData) EventDataWrapper.internal(event.getData());
                 gtid = gtidEventData.getGtid();
                 break;

src/main/java/com/github/shyiko/mysql/binlog/event/DeleteRowsEventData.java

@@ -23,7 +23,7 @@
 /**
  * @author <a href="mailto:stanley.shyiko@gmail.com">Stanley Shyiko</a>
  */
-public class DeleteRowsEventData implements EventData {
+public class DeleteRowsEventData implements EventData, RowEventData {
 
     private long tableId;
     private BitSet includedColumns;

src/main/java/com/github/shyiko/mysql/binlog/event/EventHeader.java

@@ -25,6 +25,8 @@ public interface EventHeader extends Serializable {
     long getTimestamp();
     EventType getEventType();
     long getServerId();
+    long getEventLength();
     long getHeaderLength();
     long getDataLength();
+    long getNextPosition();
 }

src/main/java/com/github/shyiko/mysql/binlog/event/EventHeaderV4.java

@@ -57,6 +57,7 @@ public void setServerId(long serverId) {
         this.serverId = serverId;
     }
 
+    @Override
     public long getEventLength() {
         return eventLength;
     }
@@ -69,6 +70,7 @@ public long getPosition() {
         return nextPosition - eventLength;
     }
 
+    @Override
     public long getNextPosition() {
         return nextPosition;
     }

src/main/java/com/github/shyiko/mysql/binlog/event/EventType.java

@@ -15,6 +15,9 @@
  */
 package com.github.shyiko.mysql.binlog.event;
 
+import java.util.HashMap;
+import java.util.Map;
+
 /**
  * @see <a href="https://dev.mysql.com/doc/internals/en/event-meanings.html">Event Meanings</a> for the original
  * documentation.
@@ -25,90 +28,94 @@ public enum EventType {
     /**
      * Events of this event type should never occur. Not written to a binary log.
      */
-    UNKNOWN,
+    UNKNOWN(0),
     /**
      * A descriptor event that is written to the beginning of the each binary log file. (In MySQL 4.0 and 4.1,
      * this event is written only to the first binary log file that the server creates after startup.) This event is
      * used in MySQL 3.23 through 4.1 and superseded in MySQL 5.0 by {@link #FORMAT_DESCRIPTION}.
      */
-    START_V3,
+    START_V3(1),
     /**
      * Written when an updating statement is done.
      */
-    QUERY,
+    QUERY(2),
     /**
      * Written when mysqld stops.
      */
-    STOP,
+    STOP(3),
     /**
      * Written when mysqld switches to a new binary log file. This occurs when someone issues a FLUSH LOGS statement or
      * the current binary log file becomes larger than max_binlog_size.
+     *
+     * See https://dev.mysql.com/doc/internals/en/rotate-event.html
      */
-    ROTATE,
+    ROTATE(4),
     /**
      * Written every time a statement uses an AUTO_INCREMENT column or the LAST_INSERT_ID() function; precedes other
      * events for the statement. This is written only before a {@link #QUERY} and is not used in case of RBR.
      */
-    INTVAR,
+    INTVAR(5),
     /**
      * Used for LOAD DATA INFILE statements in MySQL 3.23.
      */
-    LOAD,
+    LOAD(6),
     /**
      * Not used.
      */
-    SLAVE,
+    SLAVE(7),
     /**
      * Used for LOAD DATA INFILE statements in MySQL 4.0 and 4.1.
      */
-    CREATE_FILE,
+    CREATE_FILE(8),
     /**
      * Used for LOAD DATA INFILE statements as of MySQL 4.0.
      */
-    APPEND_BLOCK,
+    APPEND_BLOCK(9),
     /**
      * Used for LOAD DATA INFILE statements in 4.0 and 4.1.
      */
-    EXEC_LOAD,
+    EXEC_LOAD(10),
     /**
      * Used for LOAD DATA INFILE statements as of MySQL 4.0.
      */
-    DELETE_FILE,
+    DELETE_FILE(11),
     /**
      * Used for LOAD DATA INFILE statements in MySQL 4.0 and 4.1.
      */
-    NEW_LOAD,
+    NEW_LOAD(12),
     /**
      * Written every time a statement uses the RAND() function; precedes other events for the statement. Indicates the
      * seed values to use for generating a random number with RAND() in the next statement. This is written only
      * before a {@link #QUERY} and is not used in case of RBR.
      */
-    RAND,
+    RAND(13),
     /**
      * Written every time a statement uses a user variable; precedes other events for the statement. Indicates the
      * value to use for the user variable in the next statement. This is written only before a {@link #QUERY} and
      * is not used in case of RBR.
      */
-    USER_VAR,
+    USER_VAR(14),
     /**
      * A descriptor event that is written to the beginning of the each binary log file.
      * This event is used as of MySQL 5.0; it supersedes {@link #START_V3}.
+     *
+     * See: https://dev.mysql.com/doc/internals/en/format-description-event.html
      */
-    FORMAT_DESCRIPTION,
+    FORMAT_DESCRIPTION(15),
     /**
      * Generated for a commit of a transaction that modifies one or more tables of an XA-capable storage engine.
      * Normal transactions are implemented by sending a {@link #QUERY} containing a BEGIN statement and a {@link #QUERY}
      * containing a COMMIT statement (or a ROLLBACK statement if the transaction is rolled back).
      */
-    XID,
+    XID(16),
     /**
      * Used for LOAD DATA INFILE statements as of MySQL 5.0.
      */
-    BEGIN_LOAD_QUERY,
+    BEGIN_LOAD_QUERY(17),
     /**
      * Used for LOAD DATA INFILE statements as of MySQL 5.0.
      */
-    EXECUTE_LOAD_QUERY,
+    EXECUTE_LOAD_QUERY(18),
     /**
      * This event precedes each row operation event. It maps a table definition to a number, where the table definition
      * consists of database and table names and column definitions. The purpose of this event is to enable replication
@@ -117,82 +124,145 @@ public enum EventType {
      * of TABLE_MAP events: one per table used by events in the sequence.
      * Used in case of RBR.
      */
-    TABLE_MAP,
+    TABLE_MAP(19),
     /**
      * Describes inserted rows (within a single table).
      * Used in case of RBR (5.1.0 - 5.1.15).
      */
-    PRE_GA_WRITE_ROWS,
+    PRE_GA_WRITE_ROWS(20),
     /**
      * Describes updated rows (within a single table).
      * Used in case of RBR (5.1.0 - 5.1.15).
      */
-    PRE_GA_UPDATE_ROWS,
+    PRE_GA_UPDATE_ROWS(21),
     /**
      * Describes deleted rows (within a single table).
      * Used in case of RBR (5.1.0 - 5.1.15).
      */
-    PRE_GA_DELETE_ROWS,
+    PRE_GA_DELETE_ROWS(22),
     /**
      * Describes inserted rows (within a single table).
      * Used in case of RBR (5.1.16 - mysql-trunk).
      */
-    WRITE_ROWS,
+    WRITE_ROWS_V1(23),
     /**
      * Describes updated rows (within a single table).
      * Used in case of RBR (5.1.16 - mysql-trunk).
      */
-    UPDATE_ROWS,
+    UPDATE_ROWS_V1(24),
     /**
      * Describes deleted rows (within a single table).
      * Used in case of RBR (5.1.16 - mysql-trunk).
      */
-    DELETE_ROWS,
+    DELETE_ROWS_V1(25),
     /**
      * Used to log an out of the ordinary event that occurred on the master. It notifies the slave that something
      * happened on the master that might cause data to be in an inconsistent state.
      */
-    INCIDENT,
+    INCIDENT(26),
     /**
      * Sent by a master to a slave to let the slave know that the master is still alive. Not written to a binary log.
      */
-    HEARTBEAT,
+    HEARTBEAT_LOG(27),
     /**
      * In some situations, it is necessary to send over ignorable data to the slave: data that a slave can handle in
      * case there is code for handling it, but which can be ignored if it is not recognized.
      */
-    IGNORABLE,
+    IGNORABLE_LOG(28),
     /**
      * Introduced to record the original query for rows events in RBR.
      */
-    ROWS_QUERY,
+    ROWS_QUERY_LOG(29),
     /**
      * Describes inserted rows (within a single table).
      * Used in case of RBR (5.1.18+).
      */
-    EXT_WRITE_ROWS,
+    WRITE_ROWS(30),
     /**
      * Describes updated rows (within a single table).
      * Used in case of RBR (5.1.18+).
      */
-    EXT_UPDATE_ROWS,
+    UPDATE_ROWS(31),
     /**
      * Describes deleted rows (within a single table).
      * Used in case of RBR (5.1.18+).
      */
-    EXT_DELETE_ROWS,
+    DELETE_ROWS(32),
+
     /**
      * Global Transaction Identifier.
+     *
+     * MySQL 5.6 GTID events
+     */
+    GTID_LOG(33),
+    ANONYMOUS_GTID_LOG(34),
+    PREVIOUS_GTIDS_LOG(35),
+
+    /**
+     * MySQL 5.7 Events
      */
-    GTID,
-    ANONYMOUS_GTID,
-    PREVIOUS_GTIDS,
-    TRANSACTION_CONTEXT,
-    VIEW_CHANGE,
+    TRANSACTION_CONTEXT(36),
+    VIEW_CHANGE(37),
     /**
      * Prepared XA transaction terminal event similar to XID except that it is specific to XA transaction.
      */
-    XA_PREPARE;
+    XA_PREPARE_LOG(38),
+
+    /**
+     *  New Maria event numbers start from here
+     */
+    MARIA_ANNOTATE_ROWS(160),
+    /**
+     * Binlog checkpoint event. Used for XA crash recovery on the master, not used
+     * in replication.
+     * A binlog checkpoint event specifies a binlog file such that XA crash
+     * recovery can start from that file - and it is guaranteed to find all XIDs
+     * that are prepared in storage engines but not yet committed.
+    */
+    MARIA_BINLOG_CHECKPOINT(161),
+    /**
+     * Gtid event. For global transaction ID, used to start a new event group,
+     * instead of the old BEGIN query event, and also to mark stand-alone
+     * events.
+    */
+    MARIA_GTID(162),
+    /**
+     * Gtid list event. Logged at the start of every binlog, to record the
+     * current replication state. This consists of the last GTID seen for
+     * each replication domain.
+    */
+    MARIA_GTID_LIST(163),
+
+    MARIA_START_ENCRYPTION(164),
+
+    /**
+     * Compressed binlog event.
+
+     * Note that the order between WRITE/UPDATE/DELETE events is significant;
+     * this is so that we can convert from the compressed to the uncompressed
+     * event type with (type-WRITE_ROWS_COMPRESSED_EVENT + WRITE_ROWS_EVENT)
+     * and similar for _V1.
+    */
+    MARIA_QUERY_COMPRESSED(165),
+    MARIA_WRITE_ROWS_COMPRESSED_V1(166),
+    MARIA_UPDATE_ROWS_COMPRESSED_V1(167),
+    MARIA_DELETE_ROWS_COMPRESSED_V1(168),
+    MARIA_WRITE_ROWS_COMPRESSED(169),
+    MARIA_UPDATE_ROWS_COMPRESSED(170),
+    MARIA_DELETE_ROWS_COMPRESSED(171);
+
+    private int index;
+
+    EventType(int index) {
+        this.index = index;
+    }
+
+    public static final Map<Integer, EventType> EVENT_TYPES = new HashMap<Integer, EventType>();
+    static {
+        for (EventType eventType: EventType.values()) {
+            EVENT_TYPES.put(eventType.index, eventType);
+        }
+    }
 
     public static boolean isRowMutation(EventType eventType) {
         return EventType.isWrite(eventType) ||
@@ -202,20 +272,27 @@ public static boolean isRowMutation(EventType eventType) {
 
     public static boolean isWrite(EventType eventType) {
         return eventType == PRE_GA_WRITE_ROWS ||
+               eventType == WRITE_ROWS_V1 ||
                eventType == WRITE_ROWS ||
-               eventType == EXT_WRITE_ROWS;
+               eventType == MARIA_WRITE_ROWS_COMPRESSED_V1 ||
+               eventType == MARIA_WRITE_ROWS_COMPRESSED;
+
     }
 
     public static boolean isUpdate(EventType eventType) {
         return eventType == PRE_GA_UPDATE_ROWS ||
+               eventType == UPDATE_ROWS_V1 ||
                eventType == UPDATE_ROWS ||
-               eventType == EXT_UPDATE_ROWS;
+               eventType == MARIA_UPDATE_ROWS_COMPRESSED_V1 ||
+               eventType == MARIA_UPDATE_ROWS_COMPRESSED;
     }
 
     public static boolean isDelete(EventType eventType) {
         return eventType == PRE_GA_DELETE_ROWS ||
+               eventType == DELETE_ROWS_V1 ||
                eventType == DELETE_ROWS ||
-               eventType == EXT_DELETE_ROWS;
+               eventType == MARIA_DELETE_ROWS_COMPRESSED_V1 ||
+               eventType == MARIA_DELETE_ROWS_COMPRESSED;
     }
 
 }