게시물 조회 쿼리 정리.

src/main/resources/sqlmapper/mappers/board/board.xml

@@ -3,22 +3,34 @@
 <mapper namespace="Board">
 
 	<select id="Board.selectBoardList" parameterType="boardSearchVO" resultType="boardVO">
-
-    SELECT BD_SEQ AS SEQ, BD_MB_ID AS USERID, BD_GROUP_SEQ AS GROUPSEQ,
-				BD_CATEGORY AS CATEGORY, BD_NAME AS USERNAME, BD_CONTENT AS CONTENT,
-				BD_SUBJECT AS SUBJECT, BD_PARENT_SEQ AS PARENTSEQ, BD_PREV_SEQ AS PREVSEQ,
-				BD_NEXT_SEQ AS NEXTSEQ, BD_STEP AS STEP, BD_DEPTH AS DEPTH,
-				BD_REGDATE AS REGDATE, BD_HIT AS HIT, BD_RECOMMEND AS RECOMMEND,
-				BD_IP AS IP, BD_NOTICE AS NOTICE, BD_HTML AS HTML,
-				BD_NUM1 AS NUM1, BD_NUM2 AS NUM2, BD_DATA1 AS DATA1, BD_DATA2 AS DATA2,
+    select BD_SEQ AS SEQ,
+           BD_MB_ID AS USERID,
+           BD_GROUP_SEQ AS GROUPSEQ,
+           BD_CATEGORY AS CATEGORY,
+           BD_NAME AS USERNAME,
+           BD_CONTENT AS CONTENT,
+           BD_SUBJECT AS SUBJECT,
+           BD_PARENT_SEQ AS PARENTSEQ,
+           BD_PREV_SEQ AS PREVSEQ,
+           BD_NEXT_SEQ AS NEXTSEQ,
+           BD_STEP AS STEP,
+           BD_DEPTH AS DEPTH,
+           BD_REGDATE AS REGDATE,
+           BD_HIT AS HIT,
+           BD_RECOMMEND AS RECOMMEND,
+           BD_IP AS IP,
+           BD_NOTICE AS NOTICE,
+           BD_HTML AS HTML,
+           BD_NUM1 AS NUM1,
+           BD_NUM2 AS NUM2,
+           BD_DATA1 AS DATA1,
+           BD_DATA2 AS DATA2,
            FILECNT
-			FROM  (
-          		SELECT (ROW_NUMBER() OVER()) RNUM, ALL_LIST.*, #{id} ID,
-          			(SELECT COUNT(*) FROM H3_BD_${id}_FILE WHERE BF_BD_SEQ = ALL_LIST.BD_SEQ) AS FILECNT
-           		FROM  (
-                SELECT
-                  *
-                FROM H3_BD_${id}_LIST BBS
+    from H3_BD_${id}_LIST list
+            left outer join (select BF_BD_SEQ, count(*) as filecnt
+                            from H3_BD_notice_FILE
+                            group by BF_BD_SEQ) file
+                on list.bd_seq = file.bf_bd_seq
     <where>
       <if test='category != " " or id == "stat_bbs"'>
         AND	BD_CATEGORY = #{category}
@@ -37,13 +49,7 @@
         </choose>
       </if>
     </where>
-		            ORDER BY
-                  BBS.BD_NOTICE DESC,
-                  BBS.BD_GROUP_SEQ DESC,
-                  BBS.BD_STEP	ASC
-					
-              ) ALL_LIST
-            ) a
+    ORDER BY BD_NOTICE DESC, BD_GROUP_SEQ DESC, BD_STEP asc
     limit #{recordCountPerPage} offset #{firstIndex}
 	</select>