* @param eventDatas
*/
private void doDdl(DbLoadContext context, List<EventData> eventDatas) {
for (final EventData data : eventDatas) {
DataMedia dataMedia = ConfigHelper.findDataMedia(context.getPipeline(), data.getTableId());
final DbDialect dbDialect = dbDialectFactory.getDbDialect(context.getIdentity().getPipelineId(),
(DbMediaSource) dataMedia.getSource());
Boolean skipDdlException = context.getPipeline().getParameters().getSkipDdlException();
try {
Boolean result = dbDialect.getJdbcTemplate().execute(new StatementCallback<Boolean>() {
public Boolean doInStatement(Statement stmt) throws SQLException, DataAccessException {
Boolean result = false;
if (dbDialect instanceof MysqlDialect && StringUtils.isNotEmpty(data.getDdlSchemaName())) {
// 如果mysql，执行ddl时，切换到在源库执行的schema上