oracle thick mode support #843

app/package.json

@@ -8,6 +8,7 @@
     "electron-log": "^4.4.1",
     "electron-updater": "^4.6.1",
     "lodash.clonedeepwith": "^4.5.0",
+    "oracledb": "^6.6.0",
     "patch-package": "^6.4.7"
   },
   "repository": {

app/yarn.lock

@@ -1944,6 +1944,11 @@ open@^7.4.2:
     is-docker "^2.0.0"
     is-wsl "^2.1.1"
 
+oracledb@^6.6.0:
+  version "6.6.0"
+  resolved "https://registry.yarnpkg.com/oracledb/-/oracledb-6.6.0.tgz#bb40adbe81a84a1e544c48af9f120c61f030e936"
+  integrity sha512-T3dx+o3j+tVN53wQyr4yGTmoPHLy+a2V8yb1T2PmWrsj3ZlSt2Yu1BgV2yTDqnmBZYpRi/I3yJXRCOHHD7PiyA==
+
 os-tmpdir@~1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/os-tmpdir/-/os-tmpdir-1.0.2.tgz#bbe67406c79aa85c5cfec766fe5734555dfa1274"

fillNativeModules.js

@@ -3,9 +3,10 @@ const fs = require('fs');
 let fillContent = '';
 
 if (process.platform == 'win32') {
-  fillContent += `content.msnodesqlv8 = () => require('msnodesqlv8');`;
+  fillContent += `content.msnodesqlv8 = () => require('msnodesqlv8');\n`;
 }
-fillContent += `content['better-sqlite3'] = () => require('better-sqlite3');`;
+fillContent += `content['better-sqlite3'] = () => require('better-sqlite3');\n`;
+fillContent += `content['oracledb'] = () => require('oracledb');\n`;
 
 const getContent = empty => `
 // this file is generated automatically by script fillNativeModules.js, do not edit it manually

packages/api/package.json

@@ -52,6 +52,7 @@
     "ncp": "^2.0.0",
     "node-cron": "^2.0.3",
     "on-finished": "^2.4.1",
+    "oracledb": "^6.6.0",
     "pinomin": "^1.0.4",
     "portfinder": "^1.0.28",
     "rimraf": "^3.0.0",

packages/web/src/settings/ConnectionDriverFields.svelte

@@ -93,6 +93,14 @@
   />
 {/if}
 
+{#if driver?.showConnectionField('clientLibraryPath', $values)}
+  <FormTextField
+    label="Client library path"
+    name="clientLibraryPath"
+    disabled={isConnected}
+  />
+{/if}
+
 {#if driver?.showConnectionField('server', $values)}
   <div class="row">
     <div class="col-9 mr-1">

plugins/dbgate-plugin-oracle/package.json

@@ -36,8 +36,5 @@
     "lodash": "^4.17.21",
     "webpack": "^5.91.0",
     "webpack-cli": "^5.1.4"
-  },
-  "dependencies": {
-    "oracledb": "^6.5.1"
   }
 }

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

@@ -1,13 +1,22 @@
 const _ = require('lodash');
 const stream = require('stream');
 
-const driverBases = require('../frontend/drivers');
+const driverBase = require('../frontend/driver');
 const Analyser = require('./Analyser');
-//--const pg = require('pg');
-const oracledb = require('oracledb');
 const { createBulkInsertStreamBase, makeUniqueColumnNames } = require('dbgate-tools');
 const createOracleBulkInsertStream = require('./createOracleBulkInsertStream');
 
+let requireOracledb;
+
+let oracledbValue;
+function getOracledb() {
+  if (!oracledbValue) {
+    oracledbValue = requireOracledb();
+  }
+  return oracledbValue;
+}
+
+
 /*
 pg.types.setTypeParser(1082, 'text', val => val); // date
 pg.types.setTypeParser(1114, 'text', val => val); // timestamp without timezone
@@ -33,8 +42,10 @@ function zipDataRow(rowArray, columns) {
   return obj;
 }
 
+let oracleClientInitialized = false;
+
 /** @type {import('dbgate-types').EngineDriver} */
-const drivers = driverBases.map(driverBase => ({
+const driver = {
   ...driverBase,
   analyserClass: Analyser,
 
@@ -51,8 +62,14 @@ const drivers = driverBases.map(driverBase => ({
     ssl,
     isReadOnly,
     authType,
+    clientLibraryPath,
     socketPath,
   }) {
+    const oracledb = getOracledb();
+    if (authType == 'thick' && !oracleClientInitialized) {
+      oracledb.initOracleClient({ libDir: clientLibraryPath });
+      oracleClientInitialized = true;
+    }
     client = await oracledb.getConnection({
       user,
       password,
@@ -312,15 +329,21 @@ const drivers = driverBases.map(driverBase => ({
   getAuthTypes() {
     return [
       {
-        title: 'Host and port',
-        name: 'hostPort',
+        title: 'Thin mode (default) - direct connection to Oracle database',
+        name: 'thin',
       },
       {
-        title: 'Socket',
-        name: 'socket',
+        title: 'Thick mode - connection via Oracle instant client',
+        name: 'thick',
       },
     ];
   },
-}));
+};
 
-module.exports = drivers;
+driver.initialize = (dbgateEnv) => {
+  if (dbgateEnv.nativeModules && dbgateEnv.nativeModules['oracledb']) {
+    requireOracledb = dbgateEnv.nativeModules['oracledb'];
+  }
+};
+
+module.exports = driver;

plugins/dbgate-plugin-oracle/src/backend/index.js

@@ -1,6 +1,9 @@
-const drivers = require('./drivers');
+const driver = require('./driver');
 
 module.exports = {
   packageName: 'dbgate-plugin-oracle',
-  drivers,
+  drivers: [driver],
+  initialize(dbgateEnv) {
+    driver.initialize(dbgateEnv);
+  },
 };

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

@@ -82,10 +82,15 @@ const dialect = {
   },
 };
 
-const oracleDriverBase = {
-  ...driverBase,
-  dumperClass: Dumper,
+/** @type {import('dbgate-types').EngineDriver} */
+const oracleDriver = {
+  engine: 'oracle@dbgate-plugin-oracle',
+  title: 'OracleDB',
+  defaultPort: 1521,
+  authTypeLabel: 'Driver mode',
+  defaultAuthTypeName: 'thin',
   dialect,
+  dumperClass: Dumper,
   // showConnectionField: (field, values) =>
   //   ['server', 'port', 'user', 'password', 'defaultDatabase', 'singleDatabase'].includes(field),
   getQuerySplitterOptions: () => oracleSplitterOptions,
@@ -93,8 +98,12 @@ const oracleDriverBase = {
 
   databaseUrlPlaceholder: 'e.g. localhost:1521/orcl',
 
+  
   showConnectionField: (field, values) => {
     if (field == 'useDatabaseUrl') return true;
+    if (field == 'authType') return true;
+    if (field == 'clientLibraryPath') return values.authType == 'thick';
+
     if (values.useDatabaseUrl) {
       return ['databaseUrl', 'user', 'password'].includes(field);
     }
@@ -126,18 +135,6 @@ $$ LANGUAGE plpgsql;`,
       },
     ];
   },
-};
-
-/** @type {import('dbgate-types').EngineDriver} */
-const oracleDriver = {
-  ...oracleDriverBase,
-  engine: 'oracle@dbgate-plugin-oracle',
-  title: 'OracleDB',
-  defaultPort: 1521,
-  dialect: {
-    ...dialect,
-    materializedViews: true,
-  },
 
   dialectByVersion(version) {
     if (version) {
@@ -156,4 +153,4 @@ const oracleDriver = {
   showConnectionTab: field => field == 'sshTunnel',
 };
 
-module.exports = [oracleDriver];
+module.exports = oracleDriver;

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

@@ -1,6 +1,6 @@
-import drivers from './drivers';
+import driver from './driver';
 
 export default {
   packageName: 'dbgate-plugin-oracle',
-  drivers,
+  drivers: [driver],
 };

yarn.lock

@@ -7978,10 +7978,10 @@ optionator@^0.8.1, optionator@^0.8.3:
   resolved "https://registry.yarnpkg.com/opts/-/opts-2.0.2.tgz#a17e189fbbfee171da559edd8a42423bc5993ce1"
   integrity sha512-k41FwbcLnlgnFh69f4qdUfvDQ+5vaSDnVPFI/y5XuhKRq97EnVVneO9F1ESVCdiVu4fCS2L8usX3mU331hB7pg==
 
-oracledb@^6.5.1:
-  version "6.5.1"
-  resolved "https://registry.yarnpkg.com/oracledb/-/oracledb-6.5.1.tgz#814d985035acdb1a6470b1152af0ca3767569ede"
-  integrity sha512-JzoSGei1wnvmqgKnAZK1W650mzHTZXx+7hClV4mwsbY/ZjUtrpnojNJMYJ2jkOhj7XG5oJPfXc4GqDKaNzkxqg==
+oracledb@^6.6.0:
+  version "6.6.0"
+  resolved "https://registry.yarnpkg.com/oracledb/-/oracledb-6.6.0.tgz#bb40adbe81a84a1e544c48af9f120c61f030e936"
+  integrity sha512-T3dx+o3j+tVN53wQyr4yGTmoPHLy+a2V8yb1T2PmWrsj3ZlSt2Yu1BgV2yTDqnmBZYpRi/I3yJXRCOHHD7PiyA==
 
 os-tmpdir@~1.0.2:
   version "1.0.2"