#1127 MySQL zero date/timestamp binding

plugins/org.jkiss.dbeaver.ext.mysql/src/org/jkiss/dbeaver/ext/mysql/data/MySQLDateTimeValueHandler.java

@@ -17,17 +17,91 @@
  */
 package org.jkiss.dbeaver.ext.mysql.data;
 
+import org.jkiss.code.NotNull;
+import org.jkiss.code.Nullable;
 import org.jkiss.dbeaver.model.data.DBDDataFormatterProfile;
+import org.jkiss.dbeaver.model.data.DBDDisplayFormat;
+import org.jkiss.dbeaver.model.exec.DBCException;
+import org.jkiss.dbeaver.model.exec.DBCResultSet;
+import org.jkiss.dbeaver.model.exec.DBCSession;
+import org.jkiss.dbeaver.model.exec.DBCStatement;
+import org.jkiss.dbeaver.model.exec.jdbc.JDBCPreparedStatement;
 import org.jkiss.dbeaver.model.impl.jdbc.data.handlers.JDBCDateTimeValueHandler;
+import org.jkiss.dbeaver.model.messages.ModelMessages;
+import org.jkiss.dbeaver.model.struct.DBSTypedObject;
+
+import java.sql.SQLException;
+import java.sql.Types;
+import java.util.Date;
 
 /**
  * MySQL datetime handler
  */
 public class MySQLDateTimeValueHandler extends JDBCDateTimeValueHandler {
 
+    private static final Date ZERO_DATE = new Date(0l);
+    private static final Date ZERO_TIMESTAMP = new Date(0l);
+
+    private static final String ZERO_DATE_STRING = "0000-00-00";
+    private static final String ZERO_TIMESTAMP_STRING = "0000-00-00 00:00:00";
+
     public MySQLDateTimeValueHandler(DBDDataFormatterProfile formatterProfile)
     {
         super(formatterProfile);
     }
 
+    @Override
+    public Object fetchValueObject(@NotNull DBCSession session, @NotNull DBCResultSet resultSet, @NotNull DBSTypedObject type, int index) throws DBCException {
+        return super.fetchValueObject(session, resultSet, type, index);
+    }
+
+    @Override
+    public void bindValueObject(@NotNull DBCSession session, @NotNull DBCStatement statement, @NotNull DBSTypedObject type, int index, @Nullable Object value) throws DBCException {
+        if (value == ZERO_DATE || value == ZERO_TIMESTAMP) {
+            // Workaround for zero values (#1127)
+            try {
+                JDBCPreparedStatement dbStat = (JDBCPreparedStatement)statement;
+                if (value == ZERO_DATE) {
+                    dbStat.setString(index + 1, ZERO_DATE_STRING);
+                } else {
+                    dbStat.setString(index + 1, ZERO_TIMESTAMP_STRING);
+                }
+            }
+            catch (SQLException e) {
+                throw new DBCException(ModelMessages.model_jdbc_exception_could_not_bind_statement_parameter, e);
+            }
+        } else {
+            super.bindValueObject(session, statement, type, index, value);
+        }
+    }
+
+    @NotNull
+    @Override
+    public String getValueDisplayString(@NotNull DBSTypedObject column, Object value, @NotNull DBDDisplayFormat format) {
+        if (value == ZERO_DATE) {
+            return ZERO_DATE_STRING;
+        } else if (value == ZERO_TIMESTAMP) {
+            return ZERO_TIMESTAMP_STRING;
+        }
+        return super.getValueDisplayString(column, value, format);
+    }
+
+    @Override
+    public Object getValueFromObject(@NotNull DBCSession session, @NotNull DBSTypedObject type, Object object, boolean copy) throws DBCException {
+        if (object instanceof String) {
+            switch (type.getTypeID()) {
+                case Types.DATE:
+                    if (object.equals(ZERO_DATE_STRING)) {
+                        return ZERO_DATE;
+                    }
+                    break;
+                default:
+                    if (object.equals(ZERO_TIMESTAMP_STRING)) {
+                        return ZERO_TIMESTAMP;
+                    }
+                    break;
+            }
+        }
+        return super.getValueFromObject(session, type, object, copy);
+    }
 }