[20220104]檔案格式與sql_id計算.txt

lfree發表於2022-01-04
SQL

[20220104]檔案格式與sql_id計算.txt

--//節前測試，我發現v$sqlarea欄位的sql_fulltext裡面包括回車換行字元，我以前測試
--//在sqlplus下會轉換刪除chr(13) 連結http://blog.itpub.net/267265/viewspace-2214629/=>[20180918]檔案格式與sql_id.txt
--//很明顯w3wp.exe模組執行的sql語句不做這樣的處理。

--//可以透過生產系統的例子驗證：

1.環境：
xxxx1> @ prxx
==============================
PORT_STRING                   : x86_64/Linux 2.4.xx
VERSION                       : 19.0.0.0.0
BANNER                        : Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
BANNER_FULL                   : Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
Version 19.9.0.0.0
BANNER_LEGACY                 : Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production
CON_ID                        : 0
PL/SQL procedure successfully completed.

2.測試：
$ cat sql_id.sql
SET LINESIZE 32767
--SET LINESIZE 4000
VAR V_SQL_FULLTEXT CLOB
COL SQL_FULLTEXT FOR A4000 WORD_WRAP

SET FEEDBACK OFF
SET SERVEROUTPUT ON

PROMPT
PROMPT --SQL_ID = &&1
PROMPT

DECLARE
    V_SQL_FULLTEXT   CLOB;
    V_COUNT          NUMBER;
BEGIN
    SELECT COUNT(*) INTO V_COUNT  FROM GV$SQLAREA WHERE SQL_ID = '&&1' AND ROWNUM=1;
    IF  V_COUNT=1
    THEN
        --SELECT REPLACE (SQL_FULLTEXT||';', CHR(13), '') SQL_FULLTEXT INTO V_SQL_FULLTEXT FROM GV$SQLAREA WHERE SQL_ID = '&&1' AND ROWNUM = 1;
        SELECT REPLACE (SQL_FULLTEXT||';', CHR(13), chr(13)) SQL_FULLTEXT INTO V_SQL_FULLTEXT FROM GV$SQLAREA WHERE SQL_ID = '&&1' AND ROWNUM = 1;
        DBMS_OUTPUT.PUT_LINE (V_SQL_FULLTEXT);
    ELSE
        SELECT COUNT(*)  INTO V_COUNT  FROM DBA_HIST_SQLTEXT WHERE SQL_ID='&&1' AND ROWNUM=1;
        IF  V_COUNT=1
        THEN
            --SELECT REPLACE (SQL_TEXT||';',CHR(13),'')  INTO V_SQL_FULLTEXT  FROM DBA_HIST_SQLTEXT WHERE SQL_ID='&&1' AND ROWNUM=1;
            SELECT REPLACE (SQL_TEXT||';',CHR(13),chr(13))  INTO V_SQL_FULLTEXT  FROM DBA_HIST_SQLTEXT WHERE SQL_ID='&&1' AND ROWNUM=1;
            DBMS_OUTPUT.PUT_LINE (V_SQL_FULLTEXT);
        END IF;
    END IF;
    EXCEPTION WHEN NO_DATA_FOUND THEN
        NULL;
END;
/

PROMPT
SET SERVEROUTPUT OFF
SET FEEDBACK 6
SET LINESIZE 277

--//注意我註解了SELECT REPLACE (SQL_FULLTEXT||';', CHR(13), '')，寫成SELECT REPLACE (SQL_FULLTEXT||';', CHR(13), chr（13)，等於不替換。

xxxx1> spool aa.txt
xxxx1> @sql_id fx0tght3t3436
--SQL_ID = fx0tght3t3436
SELECT distinct (to_char(GHYY_HYXX.GZRQ, 'yyyy-mm-dd')) GZRQ,
                                    MS_GHKS.KSMC,
                                    GHYY_HYXX.GHKS,
                                    GY_YGDM.YGXM,
                                    GHYY_HYXX.YSDM,
                                    GHYY_HYXX.ZBLB,
                                    GHYY_HYXX.TGBZ,
                                    GY_DMZD.DMMC,
                                    MS_MZGHF.HLMC,
                                    MS_MZGHF.ZLF
                      FROM GHYY_HYXX, MS_GHKS, GY_YGDM, MS_YSKS, GY_DMZD, MS_MZGHF
                     WHERE GHYY_HYXX.GHKS = MS_GHKS.KSDM
                       AND GHYY_HYXX.YSDM = GY_YGDM.YGDM
                       AND MS_YSKS.Mzks = GHYY_HYXX.GHKS
                       AND MS_YSKS.YSDM = GY_YGDM.YGDM
                       AND MS_GHKS.KSDM NOT IN ('3005','3021','3022','3023', '3004')
                       AND MS_YSKS.FYXH = MS_MZGHF.FYXH
                       AND GHYY_HYXX.TGBZ = 0
                       AND GY_DMZD.DMLB = 27
                       AND GY_DMZD.DMSB <> 0
                       AND GHYY_HYXX.GZRQ > SYSDATE - 1
                       AND GHYY_HYXX.GZRQ <= (to_date(SYSDATE) + 7 + 3 / 24)
                       AND GY_DMZD.DMSB = GY_YGDM.YGJB  order by YSDM, GZRQ;
xxxx1> spool off

$ cat -v aa.txt
xxxx1> @sql_id fx0tght3t3436
--SQL_ID = fx0tght3t3436
SELECT distinct (to_char(GHYY_HYXX.GZRQ, 'yyyy-mm-dd')) GZRQ,^M
                                    MS_GHKS.KSMC,^M
                                    GHYY_HYXX.GHKS,^M
                                    GY_YGDM.YGXM,^M
                                    GHYY_HYXX.YSDM,^M
                                    GHYY_HYXX.ZBLB,^M
                                    GHYY_HYXX.TGBZ,^M
                                    GY_DMZD.DMMC,^M
                                    MS_MZGHF.HLMC,^M
                                    MS_MZGHF.ZLF^M
                      FROM GHYY_HYXX, MS_GHKS, GY_YGDM, MS_YSKS, GY_DMZD, MS_MZGHF^M
                     WHERE GHYY_HYXX.GHKS = MS_GHKS.KSDM^M
                       AND GHYY_HYXX.YSDM = GY_YGDM.YGDM^M
                       AND MS_YSKS.Mzks = GHYY_HYXX.GHKS^M
                       AND MS_YSKS.YSDM = GY_YGDM.YGDM^M
                       AND MS_GHKS.KSDM NOT IN ('3005','3021','3022','3023', '3004')^M
                       AND MS_YSKS.FYXH = MS_MZGHF.FYXH^M
                       AND GHYY_HYXX.TGBZ = 0^M
                       AND GY_DMZD.DMLB = 27^M
                       AND GY_DMZD.DMSB <> 0^M
                       AND GHYY_HYXX.GZRQ > SYSDATE - 1^M
                       AND GHYY_HYXX.GZRQ <= (to_date(SYSDATE) + 7 + 3 / 24)^M
                       AND GY_DMZD.DMSB = GY_YGDM.YGJB  order by YSDM, GZRQ;
xxxx1> spool off

--//你可以發現語句後面全部帶有^M字元。
--//可以拿我以前寫的計算sql_id的指令碼sql_idx.sh驗證看看。
--//編輯aa.txt文字，刪除開頭與結尾，注意結尾的分號也要刪除，噢不刪除也可以。

$ sql_idx.sh ~/hrp430/Testy/aa.txt 1
sql_text = SELECT distinct (to_char(GHYY_HYXX.GZRQ, 'yyyy-mm-dd')) GZRQ,
                                    MS_GHKS.KSMC,
                                    GHYY_HYXX.GHKS,
                                    GY_YGDM.YGXM,
                                    GHYY_HYXX.YSDM,
                                    GHYY_HYXX.ZBLB,
                                    GHYY_HYXX.TGBZ,
                                    GY_DMZD.DMMC,
                                    MS_MZGHF.HLMC,
                                    MS_MZGHF.ZLF
                      FROM GHYY_HYXX, MS_GHKS, GY_YGDM, MS_YSKS, GY_DMZD, MS_MZGHF
                     WHERE GHYY_HYXX.GHKS = MS_GHKS.KSDM
                       AND GHYY_HYXX.YSDM = GY_YGDM.YGDM
                       AND MS_YSKS.Mzks = GHYY_HYXX.GHKS
                       AND MS_YSKS.YSDM = GY_YGDM.YGDM
                       AND MS_GHKS.KSDM NOT IN ('3005','3021','3022','3023', '3004')
                       AND MS_YSKS.FYXH = MS_MZGHF.FYXH
                       AND GHYY_HYXX.TGBZ = 0
                       AND GY_DMZD.DMLB = 27
                       AND GY_DMZD.DMSB <> 0
                       AND GHYY_HYXX.GZRQ > SYSDATE - 1
                       AND GHYY_HYXX.GZRQ <= (to_date(SYSDATE) + 7 + 3 / 24)
                       AND GY_DMZD.DMSB = GY_YGDM.YGJB  order by YSDM, GZRQ\0
full_hash_value(16) = 765A5805C2D35601EE832F8647919066
hash_value(10) = 1200722022
sql_id(32) = fx0tght3t3436
sql_id(32) = fx0tght3t3436
sql_id(32) = fx0tght3t3436

--//可以發現計算時並沒有刪除^M chr(13)字元。

--//附上sql_idx.sh指令碼。
$ cat -v sql_idx.sh
#! /bin/bash
# calcucate sql_text of full_hash_value(16),hash_value(10),sql_id(32).
# argv1 sql statement or sql of text file
# argv2 flag: 0= sql statement 1=sql of text file

odebug=${ODEBUG:-0}
oflag=${2:-0}

if [ $oflag -eq 0 ]
then
    sql_text=${1}'\0'
fi

if [ $oflag -eq 1 ]
then
#   sql_text="$( cat $1 | dos2unix | sed '$s/;\s*//')"'\0'
#   sql_text="$( cat $1 | sed "s/^M$//" | sed '$s/;\s*//')"'\0'
   sql_text="$( cat $1 | sed '$s/;\s*//')"'\0'
fi

v1=$(echo -e -n "$sql_text" | md5sum | sed 's/  -//' | xxd -r -p | od -t x4 |  sed   -n  -e 's/^0\+ //' -e 's/ //gp' | tr 'a-z' 'A-Z')
v2=${v1:(-16):16}
v3=${v2:(-8):8}
# v2=$(echo "obase=16;ibase=16; $v1 % 10000000000000000" | bc| tr -d '\\\r\n')
# v3=$(echo "obase=10;ibase=16; $v1 % 100000000" | bc| tr -d '\\\r\n')

if [ $odebug -eq 1 ] ; then
        echo v1=$v1 v2=$v2 v3=$v3
fi

echo "sql_text = $sql_text"
echo "full_hash_value(16) = $v1 "
echo "hash_value(10) = $(( 16#$v3 )) "

BASE32=($(echo {0..9} {a..z} | tr -d 'eilo'))
res=''
for i in $(echo "obase=32;ibase=16; $v2" | bc| tr -d '\\\r\n')
do
        res=${res}${BASE32[$(( 10#$i ))]}
done
echo "sql_id(32) = $(printf "%13s" $res | tr ' ' '0')"
echo "sql_id(32) = $(printf "%013s" $res)"

res1=$(eval $(echo "obase=32;ibase=16; $v2" | bc| tr -d '\\\r\n' | awk 'BEGIN{RS=" +"; printf "echo " }/./{printf "${BASE32[$(( 10#%02d))]}", $1}' ))
echo "sql_id(32) = $(printf "%013s" $res1)"

3.收尾：
--//修改sql_id.sql 以及sql_idx.sh指令碼略。



來自 “ ITPUB部落格 ” ，連結：http://blog.itpub.net/267265/viewspace-2850514/，如需轉載，請註明出處，否則將追究法律責任。

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