Persist front project requirement keyword

RuoYi-Vue/sql/front_requirement_keyword.sql

@@ -0,0 +1,17 @@
+set @front_requirement_keyword_exists := (
+  select count(1)
+  from information_schema.columns
+  where table_schema = database()
+    and table_name = 'front_project'
+    and column_name = 'requirement_keyword'
+);
+
+set @front_requirement_keyword_sql := if(
+  @front_requirement_keyword_exists = 0,
+  'alter table front_project add column requirement_keyword varchar(1000) default '''' comment ''需求关键词'' after project_desc',
+  'select ''front_project.requirement_keyword already exists'''
+);
+
+prepare front_requirement_keyword_stmt from @front_requirement_keyword_sql;
+execute front_requirement_keyword_stmt;
+deallocate prepare front_requirement_keyword_stmt;