Change column data type to numeric to accomodate large numbers

Author: Sumit189

models/migrations/migrations.go

@@ -591,6 +591,8 @@ var migrations = []Migration{
 
 	// v299 -> v300
 	NewMigration("Add content version to issue and comment table", v1_23.AddContentVersionToIssueAndComment),
+	// v300 -> v301
+	NewMigration("Chnage original_author_id of issue, comments, release, reaction and review table to accomodate OAuth2 UserId", v1_23.changeOriginalAuthorIDDataTypeToNumeric),
 }
 
 // GetCurrentDBVersion returns the current db version

models/migrations/v1_23/v300.go

@@ -0,0 +1,23 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package v1_23 //nolint
+
+import (
+	"strings"
+
+	"xorm.io/xorm"
+)
+
+func changeOriginalAuthorIDDataTypeToNumeric(x *xorm.Engine) error {
+	sql := strings.Join([]string{
+		"ALTER TABLE `issue` ALTER COLUMN `original_author_id` TYPE NUMERIC USING `original_author_id`::NUMERIC",
+		"ALTER TABLE `comment` ALTER COLUMN `original_author_id` TYPE NUMERIC USING `original_author_id`::NUMERIC",
+		"ALTER TABLE `release` ALTER COLUMN `original_author_id` TYPE NUMERIC USING `original_author_id`::NUMERIC",
+		"ALTER TABLE `reaction` ALTER COLUMN `original_author_id` TYPE NUMERIC USING `original_author_id`::NUMERIC",
+		"ALTER TABLE `review` ALTER COLUMN `original_author_id` TYPE NUMERIC USING `original_author_id`::NUMERIC",
+	}, "; ")
+
+	_, err := x.Exec(sql)
+	return err
+}