#191 postgre - ability to define connection by connection string

plugins/dbgate-plugin-postgres/src/backend/drivers.js

@@ -27,7 +27,7 @@ const drivers = driverBases.map(driverBase => ({
   ...driverBase,
   analyserClass: Analyser,
 
-  async connect({ engine, server, port, user, password, database, databaseUrl, ssl }) {
+  async connect({ engine, server, port, user, password, database, databaseUrl, useDatabaseUrl, ssl }) {
     let options = null;
 
     if (engine == 'redshift@dbgate-plugin-postgres') {
@@ -47,8 +47,11 @@ const drivers = driverBases.map(driverBase => ({
         connectionString: url,
       };
     } else {
-      options = {
+      options = useDatabaseUrl
-        // connectionString: 'postgres://root@localhost:26257/postgres?sslmode=disabke'
+        ? {
+            connectionString: databaseUrl,
+          }
+        : {
             host: server,
             port,
             user,

plugins/dbgate-plugin-postgres/src/frontend/drivers.js

@@ -38,10 +38,35 @@ const postgresDriverBase = {
   ...driverBase,
   dumperClass: Dumper,
   dialect,
-  showConnectionField: (field, values) =>
+  // showConnectionField: (field, values) =>
-    ['server', 'port', 'user', 'password', 'defaultDatabase', 'singleDatabase'].includes(field),
+  //   ['server', 'port', 'user', 'password', 'defaultDatabase', 'singleDatabase'].includes(field),
   getQuerySplitterOptions: () => postgreSplitterOptions,
 
+  databaseUrlPlaceholder: 'e.g. postgresql://user:password@localhost:5432/default_database',
+
+  showConnectionField: (field, values) => {
+    if (field == 'useDatabaseUrl') return true;
+    if (values.useDatabaseUrl) {
+      return ['databaseUrl', 'defaultDatabase', 'singleDatabase'].includes(field);
+    }
+    return ['server', 'port', 'user', 'password', 'defaultDatabase', 'singleDatabase'].includes(field);
+  },
+
+  beforeConnectionSave: connection => {
+    const { databaseUrl } = connection;
+    if (databaseUrl) {
+      const m = databaseUrl.match(/\/([^/]+)($|\?)/);
+      if (m) {
+        return {
+          ...connection,
+          singleDatabase: true,
+          defaultDatabase: m[1],
+        };
+      }
+    }
+    return connection;
+  },
+
   __analyserInternals: {
     refTableCond: '',
   },