feat: Allow user to optimize tables (#26109) (#26121)

* feat: Allow user to optimize tables

* fix: Update butto label

* fix: Filter out single & virtual doctypes

* fix: Create long job for optimization

* fix: check perm

---------

Co-authored-by: Ankush Menat <ankush@frappe.io>
(cherry picked from commit 3f0c233)

Co-authored-by: Niraj Gautam <nirajgautam196@gmail.com>

frappe/core/report/database_storage_usage_by_tables/database_storage_usage_by_tables.js

@@ -3,4 +3,49 @@
 
 frappe.query_reports["Database Storage Usage By Tables"] = {
 	filters: [],
+	onload: function (report) {
+		report.page.add_inner_button(
+			__("Optimize"),
+			function () {
+				let d = new frappe.ui.Dialog({
+					title: "Optimize Doctype",
+					fields: [
+						{
+							label: "Select a DocType",
+							fieldname: "doctype_name",
+							fieldtype: "Link",
+							options: "DocType",
+							get_query: function () {
+								return {
+									filters: { issingle: ["=", false], is_virtual: ["=", false] },
+								};
+							},
+						},
+					],
+					size: "small",
+					primary_action_label: "Optimize",
+					primary_action(values) {
+						frappe.call({
+							method: "frappe.core.report.database_storage_usage_by_tables.database_storage_usage_by_tables.optimize_doctype",
+							args: {
+								doctype_name: values.doctype_name,
+							},
+							callback: function (r) {
+								if (!r.exec) {
+									frappe.show_alert(
+										__(
+											`${values.doctype_name} has been added to queue for optimization`
+										)
+									);
+								}
+							},
+						});
+						d.hide();
+					},
+				});
+				d.show();
+			},
+			__("Actions")
+		);
+	},
 };

frappe/core/report/database_storage_usage_by_tables/database_storage_usage_by_tables.py

@@ -38,3 +38,27 @@ def execute(filters=None):
 		as_dict=1,
 	)
 	return COLUMNS, data
+
+
+@frappe.whitelist()
+def optimize_doctype(doctype_name: str):
+	frappe.only_for("System Manager")
+	frappe.enqueue(
+		optimize_doctype_job,
+		queue="long",
+		job_id=f"optimize-{doctype_name}",
+		doctype_name=doctype_name,
+		deduplicate=True,
+	)
+
+
+def optimize_doctype_job(doctype_name: str):
+	from frappe.utils import get_table_name
+
+	doctype_table = get_table_name(doctype_name, wrap_in_backticks=True)
+	if frappe.db.db_type == "mariadb":
+		query = f"OPTIMIZE TABLE {doctype_table};"
+	else:
+		query = f"VACUUM (ANALYZE) {doctype_table};"
+
+	frappe.db.sql(query)