get version result and login from oracle

plugins/dbgate-plugin-oracle/src/backend/sql/matviewColumns.js

@@ -0,0 +1,17 @@
+module.exports = `
+SELECT pg_namespace.nspname AS "schema_name"
+    , pg_class.relname AS "pure_name"
+    , pg_attribute.attname AS "column_name"
+    , pg_catalog.format_type(pg_attribute.atttypid, pg_attribute.atttypmod) AS "data_type"
+FROM pg_catalog.pg_class
+    INNER JOIN pg_catalog.pg_namespace
+        ON pg_class.relnamespace = pg_namespace.oid
+    INNER JOIN pg_catalog.pg_attribute
+        ON pg_class.oid = pg_attribute.attrelid
+-- Keeps only materialized views, and non-db/catalog/index columns 
+WHERE pg_class.relkind = 'm'
+    AND pg_attribute.attnum >= 1
+    AND ('matviews:' || pg_namespace.nspname || '.' || pg_class.relname) =OBJECT_ID_CONDITION
+
+ORDER BY pg_attribute.attnum
+`;