Merge pull request #13905 from dataease/pr@dev-v2@feat_h2

feat: 桌面版H2数据库支持获取字段详情

core/core-backend/src/main/java/io/dataease/datasource/provider/CalciteProvider.java

@@ -1100,6 +1100,9 @@ public class CalciteProvider extends Provider {
             case impala:
                 sql = String.format("DESCRIBE `%s`", datasourceRequest.getTable());
                 break;
+            case h2:
+                sql = String.format("SELECT COLUMN_NAME, DATA_TYPE, REMARKS FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = '%s'", datasourceRequest.getTable());
+                break;
             default:
                 break;
         }