[20240902]建立完善sql_idz.sh脚本.txt

[20240902]建立完善sql_idz.sh脚本.txt

--//增加hash_value的16进制显示采用大小写显示.

$ cat -v ~/bin/sql_idz.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 for sqlplus  2=sql of text file for other 3=original
# argv3 default = '\0' add tailstr

odebug=${ODEBUG:-0}
oflag=${2:-0}
tailstr=${3:-'\0'}

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

# sqlplus format sql_text
if [ $oflag -eq 1 ]
then
sql_text="$( cat $1 | sed -e "s/^M$//" -e "s/\s*$//" -e '$s/;$//')""${tailstr}"
# sql_text="$( cat $1 | unix2dos | sed '$s/;\s*$//')"'\0'
# sql_text="$( cat $1 | sed -e "s/^M$//" -e sed '$s/;\s*$//')"'\0'
# sql_text="$( cat $1 | sed '$s/;\s*$//')"'\0'
fi

# other format sql_text
if [ $oflag -eq 2 ]
then
sql_text="$( cat $1 | sed '$s/;\s*$//')""${tailstr}"
# sql_text="$( cat $1 | unix2dos | sed '$s/;\s*$//')"'\0'
# sql_text="$( cat $1 | sed -e "s/^M$//" -e '$s/;\s*$//')"'\0'
# sql_text="$( cat $1 | sed '$s/;\s*//')"'\0'
fi

# exact_matching_signature, force_matching_signature
if [ $oflag -eq 3 ]
then
    sql_text=${1}
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 or ${v1,,}"

if [ $oflag -eq 3 ] ; then
        echo "xxxxx_matching_signature(10) = $(( 16#$v2 )) or " $(echo $(( 16#$v2 )) + 2^64|bc )
fi

echo "hash_value(10) = $(( 16#$v3 )) or hash_value(16) = $v3 or ${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)"