selectQuery.xml

/* oracle, tibero에서의 select query 출력 */
SELECT MAX(ONE_ROW_QUERY) AS QUERY
 FROM (
     SELECT 'SELECT ' || SELECT_PHASE || CHR(10) || FROM_PHASE || CHR(10) || WHERE_PHASE AS ONE_ROW_QUERY
       FROM (
           SELECT LISTAGG(KK, ',') WITHIN GROUP(ORDER BY COLUMN_ID) AS SELECT_PHASE
                , MAX(FROM_PHASE) AS FROM_PHASE
                , LISTAGG(WHERE_VALUES, 'AND ') WITHIN GROUP(ORDER BY COLUMN_ID) AS WHERE_PHASE
             FROM (
                 SELECT ' ' || RPAD(COLUMN_NAME, 30, ' ') || '-- ' || COMMENTS || CHR(10) || ' ' AS KK, TABLE_NAME, COLUMN_ID
                      , ' FROM ' || RPAD(UPPER(${tableNm}), 30, ' ') || '-- ' || TABLE_COMM AS FROM_PHASE
                      , CASE WHEN COL_NM IS NULL THEN ''
                             ELSE (
                               -- 테이블 첫 번째 필드를 SYS_ID 이라 가정하여 WHERE 맨 처음 조건에 위치 
                               -- RPAD 를 사용하여 쿼리 줄 정리하여 깔끔하게 보이기 위함
                               -- CHR(35): #, CHR(61): =, CHR(10): \n
                               -- ex. WHERE SYS_ID = #{g.tenant}
                               --       AND primarykey 조건
                               --          .... 
                                 CASE WHEN COL_NM = 'SYS_ID' THEN ' WHERE ' ELSE '' END || RPAD(COL_NM, 20, ' ') || ' ' || CHR(61) || ' ' || CHR(35)
                                 || CASE WHEN COL_NM = 'SYS_ID' THEN '{g.tenant}' ELSE '{p.' || LOWER(COL_NM) || '}' END || CHR(10) || ' '
                                 )
                                 END AS WHERE_VALUES
                   FROM (
                       SELECT A.TABLE_NAME, A.COLUMN_NAME, A.COLUMN_ID, B.COMMENTS, C.COMMENTS AS TABLE_COMM, D.COL_NM
                         FROM USER_TAB_COLS A
                   INNER JOIN USER_COL_COMMENTS B
                           ON A.TABLE_NAME = B.TABLE_NAME
                          AND A.COLUMN_NAME = B.COLUMN_NAME
                   INNER JOIN USER_TAB_COMMENTS C
                           ON A.TABLE_NAME = C.TABLE_NAME
                    -- primary key where 조건으로 걸기 위한 서브쿼리 테이블
              LEFT OUTER JOIN (
                                SELECT MAX(Y.COLUMN_NAME) AS COL_NM
                                  FROM USER_CONSTRAINTS X
                            INNER JOIN USER_CONS_COLUMNS Y
                                    ON X.TABLE_NAME = Y.TABLE_NAME
                                   AND X.CONSTRAINT_NAME = Y.CONSTRAINT_NAME
                                 WHERE X.TABLE_NAME = UPPER(${tableNm})
                              GROUP BY Y.COLUMN_NAME
                              ) D
                          ON A.COLUMN_NAME = D.COL_NM
                       WHERE A.TABLE_NAME = UPPER(${tableNm})
                        )
                )
         GROUP BY TABLE_NAME
        )
    )