Added cascade option while creating an extension. #3942

docs/en_US/extension_dialog.rst

@@ -23,6 +23,9 @@ Use the fields in the *General* tab to identify an extension:
 
 * Use the drop-down listbox in the *Name* field to select the extension. Each
   extension must have a unique name.
+* Move the switch next to *Cascade?* towards right position to automatically
+  install any extensions that this extension depends on that are not already
+  installed.
 * Store notes about the extension in the *Comment* field.
 
 Click the *Definition* tab to continue.
@@ -55,7 +58,7 @@ the *Extension* dialog:
     :align: center
 
 The command creates the *adminpack* extension in the *public* schema.  It is
-version *1.0* of *adminpack*.
+version *2.0* of *adminpack*.
 
 * Click the *Info* button (i) to access online help.
 * Click the *Save* button to save work.

docs/en_US/release_notes_7_6.rst

@@ -21,6 +21,7 @@ New features
 ************
 
   | `Issue #2595 <https://github.com/pgadmin-org/pgadmin4/issues/2595>`_ -  Added Expression to CREATE INDEX.
+  | `Issue #3942 <https://github.com/pgadmin-org/pgadmin4/issues/3942>`_ -  Added cascade option while creating an extension.
   | `Issue #6375 <https://github.com/pgadmin-org/pgadmin4/issues/6375>`_ -  Added support for ALTER INDEX column statistics.
   | `Issue #6376 <https://github.com/pgadmin-org/pgadmin4/issues/6376>`_ -  Added unlogged option while creating a sequence.
   | `Issue #6381 <https://github.com/pgadmin-org/pgadmin4/issues/6381>`_ -  Added support for SYSTEM, CONCURRENTLY and TABLESPACE options in REINDEX.
@@ -32,8 +33,8 @@ New features
 Housekeeping
 ************
 
-  | `Issue #6588 <https://github.com/pgadmin-org/pgadmin4/issues/6588>`_ -  Added support for PostgreSQL and EPAS 16 to ensure it works without any errors.
   | `Issue #3702 <https://github.com/pgadmin-org/pgadmin4/issues/3702>`_ -  Generate software bill of materials as part of the package builds.
+  | `Issue #6588 <https://github.com/pgadmin-org/pgadmin4/issues/6588>`_ -  Added support for PostgreSQL and EPAS 16 to ensure it works without any errors.
 
 Bug fixes
 *********

web/pgadmin/browser/server_groups/servers/databases/extensions/static/js/extension.ui.js

@@ -20,6 +20,7 @@ export default class ExtensionsSchema extends BaseUISchema {
       schema: '',
       relocatable: false,
       is_sys_obj: false,
+      cascade: false,
       comment: null,
     });
     fieldOptions = {
@@ -87,6 +88,10 @@ export default class ExtensionsSchema extends BaseUISchema {
           }
         }
       },
+      {
+        id: 'cascade', label: gettext('Cascade?'),
+        type: 'switch', mode: ['create'],
+      },
       {
         id: 'oid', label: gettext('OID'), type: 'text',
         mode: ['properties'],

web/pgadmin/browser/server_groups/servers/databases/extensions/templates/extensions/sql/create.sql

@@ -7,13 +7,17 @@
 
 {% endif %}
 {% if data.name %}
-CREATE EXTENSION{% if add_not_exists_clause %} IF NOT EXISTS{% endif %} {{ conn|qtIdent(data.name) }}{% if data.schema == '' and data.version == '' %};{% endif %}
+CREATE EXTENSION{% if add_not_exists_clause %} IF NOT EXISTS{% endif %} {{ conn|qtIdent(data.name) }}{% if data.schema == '' and data.version == '' and not data.cascade %};{% endif %}
 {% if data.schema %}
 
-    SCHEMA {{ conn|qtIdent(data.schema) }}{% if data.version == '' %};{% endif %}
+    SCHEMA {{ conn|qtIdent(data.schema) }}{% if data.version == '' and not data.cascade %};{% endif %}
 {% endif %}
 {% if data.version %}
 
-    VERSION {{ conn|qtIdent(data.version) }};
+    VERSION {{ conn|qtIdent(data.version) }}{% if not data.cascade %};{% endif %}
+{% endif %}
+{% if data.cascade %}
+
+    CASCADE;
 {% endif %}
 {% endif %}

web/pgadmin/browser/server_groups/servers/databases/extensions/tests/default/msql_create_extension_with_all_options.sql

@@ -1,3 +1,4 @@
 CREATE EXTENSION sslinfo
     SCHEMA test_extension_schema
-    VERSION "1.2";
+    VERSION "1.2"
+    CASCADE;

web/pgadmin/browser/server_groups/servers/databases/extensions/tests/default/tests.json

@@ -9,7 +9,8 @@
       "data": {
         "name": "sslinfo",
         "schema": "test_extension_schema",
-        "version": "1.2"
+        "version": "1.2",
+        "cascade": true
       },
       "expected_sql_file": "create_extension_with_all_options.sql",
       "expected_msql_file": "msql_create_extension_with_all_options.sql",

web/pgadmin/browser/server_groups/servers/databases/extensions/tests/utils.py

@@ -19,7 +19,8 @@ def get_extension_data(schema_name):
     data = {
         "name": "cube",
         "relocatable": "true",
-        "schema": schema_name
+        "schema": schema_name,
+        "cascade": "true"
     }
     return data