SYNC: some fixes

plugins/dbgate-plugin-oracle/src/frontend/driver.js

@@ -23,6 +23,7 @@ const dialect = {
   userDatabaseNamePrefix: 'C##',
   upperCaseAllDbObjectNames: true,
   requireStandaloneSelectForScopeIdentity: true,
+  defaultValueBeforeNullability: true,
 
   createColumn: true,
   dropColumn: true,
@@ -177,6 +178,12 @@ END trigger_name;
     }
     return dialect;
   },
+
+  adaptDataType(dataType) {
+    if (dataType?.toLowerCase() == 'datetime') return 'timestamp';
+    if (dataType?.toLowerCase() == 'text') return 'clob';
+    return dataType;
+  },
 };
 
 module.exports = oracleDriver;