REPORT-63790

日志同步插件-check_table失败导致同步失败
1、catalog为空字符串会导致sqlserver的 sp_tables 语句无法执行

fine-hibernate/src/main/java/com/fr/third/org/hibernate/tool/schema/extract/internal/InformationExtractorJdbcDatabaseMetaDataImpl.java

@@ -299,9 +299,6 @@ public class InformationExtractorJdbcDatabaseMetaDataImpl implements Information
 					// 2) look in default namespace
 					catalogFilter = toMetaDataObjectName( extractionContext.getDefaultCatalog() );
 				}
-				else {
-					catalogFilter = "";
-				}
 			}
 			else {
 				catalogFilter = toMetaDataObjectName( catalog );