!682 解决表字段comment过长问题

Merge pull request !682 from baozhigang/column-comment

ruoyi-generator/src/main/resources/mapper/generator/GenTableColumnMapper.xml

@@ -69,7 +69,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
          )values(
 			<if test="tableId != null and tableId != ''">#{tableId},</if>
 			<if test="columnName != null and columnName != ''">#{columnName},</if>
-			<if test="columnComment != null and columnComment != ''">#{columnComment},</if>
+			<if test="columnComment != null and columnComment != ''">(select SUBSTRING_INDEX(#{columnComment}, ' ', 1)),</if>
 			<if test="columnType != null and columnType != ''">#{columnType},</if>
 			<if test="javaType != null and javaType != ''">#{javaType},</if>
 			<if test="javaField != null and javaField != ''">#{javaField},</if>
@@ -92,7 +92,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
     <update id="updateGenTableColumn" parameterType="GenTableColumn">
         update gen_table_column
         <set>
-            <if test="columnComment != null">column_comment = #{columnComment},</if>
+            <if test="columnComment != null">column_comment = (select SUBSTRING_INDEX(#{columnComment}, ' ', 1)),</if>
             <if test="javaType != null">java_type = #{javaType},</if>
             <if test="javaField != null">java_field = #{javaField},</if>
             <if test="isInsert != null">is_insert = #{isInsert},</if>