feat: add firebird triggers

plugins/dbgate-plugin-firebird/src/backend/sql/index.js

@@ -1,9 +1,11 @@
 const version = require('./version');
 const tables = require('./tables');
 const columns = require('./columns');
+const triggers = require('./triggers');
 
 module.exports = {
   version,
   columns,
   tables,
+  triggers,
 };

plugins/dbgate-plugin-firebird/src/backend/sql/triggers.js

@@ -0,0 +1,12 @@
+module.exports = `
+SELECT
+    TRIM(rtr.RDB$TRIGGER_NAME) as PURENAME,
+    TRIM(rtr.RDB$RELATION_NAME) as TABLENAME,
+    rtr.RDB$TRIGGER_TYPE as TRIGGERTYPE,
+    TRIM(rel.RDB$OWNER_NAME) AS SCHEMANAME
+FROM
+    RDB$TRIGGERS rtr
+JOIN RDB$RELATIONS rel ON rtr.RDB$RELATION_NAME = rel.RDB$RELATION_NAME
+WHERE rtr.RDB$SYSTEM_FLAG = 0
+ORDER BY rtr.RDB$TRIGGER_NAME
+`;