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#!/bin/bash

# by ray

# 2017-08-31

#v0.1

##get sqltext from dbs_hist_sqltext,sqltext will be save current directory and file name will be sql_id.txt

FromHist(){

sqlplus -s /nolog <<-RAY

conn / as sysdba

set linesize 300

set serveroutput on

set feedback off

spool ./$1.txt

declare 

l_buffer varchar2(3000);

l_amount binary_integer :=3000;

l_pos int :=1;

l_clob_length int;

sqlid varchar2(100) := '$1';

begin

select DBMS_LOB.getlength(sql_text) into l_clob_length from dba_hist_sqltext where sql_id=sqlid;

while l_pos

select DBMS_LOB.SUBSTR(sql_text,l_amount,l_pos) into l_buffer from dba_hist_sqltext where sql_id=sqlid;

dbms_output.put(l_buffer);

l_pos:=l_pos+l_amount;

end loop;

dbms_output.put_line(' ');

end;

/

spool off

exit

RAY

}

##get sqltext from V$sqlarea,sqltext will be save current directory and file name will be sql_id.txt

FromMomery(){

sqlplus -s /nolog <<-RAY

conn / as sysdba

set linesize 300

set serveroutput on

set feedback off

spool ./$1.txt

declare 

l_buffer varchar2(3000);

l_amount binary_integer :=3000;

l_pos int :=1;

l_clob_length int;

sqlid varchar2(100) := '$1';

begin

select DBMS_LOB.getlength(sql_fulltext) into l_clob_length from v\$sqlarea where sql_id=sqlid;

while l_pos

select DBMS_LOB.SUBSTR(sql_fulltext,l_amount,l_pos) into l_buffer from v\$sqlarea where sql_id=sqlid;

dbms_output.put(l_buffer);

l_pos:=l_pos+l_amount;

end loop;

dbms_output.put_line(' ');

end;

/

spool off

exit

RAY

}

func_help(){

    echo "--from        specifying how to get sqltext,memery or hist can be used.default momery!!"

    echo "--sqlid        specify a sql_id"

    echo "for example:"

    echo "get_fulltext.sh --from=momery --sqlid=*********"

}

#get parameter

argvs=($@)

for i in ${argvs[@]}

do

        case `echo $i | awk -F '=' '{print $1}' | awk -F '--' '{print $2}'| tr [a-z] [A-Z]` in 

        FROM)

            fm=`echo $i | awk -F '=' '{print $2}' | tr [a-z] [A-Z]`

        ;;

        SQLID)

            sqlid=`echo $i | awk -F '=' '{print $2}' `

        ;;

        HELP)

            func_help

            exit 1

        esac

done

if [ ! ${fm} ]; then  

    fm='MOMERY'

fi 

if [ ! ${sqlid} ]; then  

    echo "The sql_id must be specified!!"

    exit 1

fi

##exec script

if [ ${fm} == "HIST" ];then

    FromHist "${sqlid}"

elif [ ${fm} == "MOMERY" ];then

    FromMomery "${sqlid}"

else

    echo "then type of parameter only are HIST or MOMERY!!"

fi

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