-- 添加不能为空且默认值为0的字段 ALTER TABLE PUBLIC.doc_record ADD COLUMN print_count INT4 NOT NULL DEFAULT 0; -- 添加字段备注 COMMENT ON COLUMN PUBLIC.doc_record.print_count IS '打印次数'; -- Insert migration record INSERT INTO __MigrationsHistory (MigrationId, ProductVersion) VALUES ('202511191103 ALTER TABLE PUBLIC.doc_record ADD COLUMN print_count', '1.0.0');