Sending sql output to email body with conditional subject line
hi ,
i have written below piece of code to meet the requirement but i am stuck in the logic here.
the requirement are:
1) to send the sql out put to email body with proper formatting.
2) if count_matching = Yes then mail should triggered with the subject line as "load counts Match for 'yyyymmdd'
else
"warning : load_count mismatch for 'yyyymmdd'"
please provide any other alternate solution if any..
thanks in advance
=====================
Code:
#!/usr/bin/ksh
sqlplus -s abc/yaho12@xyz <<EOF
set feedback off trimspool on
set linesize 2000;
set newpage 0;
SET PAGESIZE 0;
set wrap on;
SET ECHO OFF;
SET HEADING OFF;
SET VERIFY OFF;
whenever sqlerror exit failure;
whenever oserror exit failure;
alter session enable parallel dml;
spool output.txt;
select 'load_DATE' || ' ' ||
'SOURCE_NAME' || ' ' ||
'COUNTS_MATCHING'
from dual
union all
select load_DATE|| ' ' ||
DL_SOURCE_NAME || ' ' ||
COUNTS_MATCHING
from
(SELECT load_DATE,
SOURCE_NAME,
CASE WHEN CNT1=CNT2 THEN 'Yes' ELSE 'No' END COUNTS_MATCHING
FROM
(
select load_DATE,
SOURCE_NAME,
TABLE_ROW_COUNT AS CNT1,
INPUT_RECORD_CNT AS CNT2
from T1
WHERE INSERT_DATE = TRUNC(SYSDATE)
)
);
spool off;
exit;
EOF
more output.txt | mail -s "load counts Match for $( date '+%d/%m/%Y' )" sk@xyz.com
=====================
Last edited by Corona688; 03-13-2017 at 03:44 PM..
To keep the forums high quality for all users, please take the time to format your posts correctly.
First of all, use Code Tags when you post any code or data samples so others can easily read your code. You can easily do this by highlighting your code and then clicking on the # in the editing menu. (You can also type code tags [code] and [/code] by hand.)
Second, avoid adding color or different fonts and font size to your posts. Selective use of color to highlight a single word or phrase can be useful at times, but using color, in general, makes the forums harder to read, especially bright colors like red.
Third, be careful when you cut-and-paste, edit any odd characters and make sure all links are working property.
What do you mean by 'proper formatting'? What are you expecting and what do you get? To get strict formatting of text you may have to surround it with <pre>formatted text</pre> tags or send the email as an attachment.
The use of more especially may add newlines you didn't want. Just
Code:
<output.txt mail -s "load counts Match for $( date '+%d/%m/%Y' )" sk@xyz.com
should be sufficient.
Or perhaps
Code:
( echo "<pre>" ; cat output.txt ; echo "</pre>" ) | mail -s "load counts Match for $( date '+%d/%m/%Y' )" sk@xyz.com
...
...
2) if count_matching = Yes then mail should triggered with the subject line as "load counts Match for 'yyyymmdd' else
"warning : load_count mismatch for 'yyyymmdd'" ...
...
Code:
...
...
select 'load_DATE' || ' ' ||
'SOURCE_NAME' || ' ' ||
'COUNTS_MATCHING'
from dual
union all
select load_DATE|| ' ' ||
DL_SOURCE_NAME || ' ' ||
COUNTS_MATCHING
from
(SELECT load_DATE,
SOURCE_NAME,
CASE WHEN CNT1=CNT2 THEN 'Yes' ELSE 'No' END COUNTS_MATCHING
FROM
(
select load_DATE,
SOURCE_NAME,
TABLE_ROW_COUNT AS CNT1,
INPUT_RECORD_CNT AS CNT2
from T1
WHERE INSERT_DATE = TRUNC(SYSDATE)
)
);
...
...
...
...
Few more questions:
1) About the part of your logic in blue, did you mean:
a) Send an email with subject line: "warning: load counts mismatch for yyyymmdd" and the report as the email body, or
b) Do not send an email and just print "warning: ..." to stdout?
2) Will the part of your query in red return only one record?
- If it returns 4 records and 2 of them have counts_matching = "Yes" and the other 2 have counts_matching = "No", then what should be the final value of counts_matching?
thanks for reply . please let me know if more info is required,
1) About the part of your logic in blue, did you mean:
a) Send an email with subject line: "warning: load counts mismatch for yyyymmdd" and the report as the email body, or
b) Do not send an email and just print "warning: ..." to stdout? --no
--> in either case we need to send the report as the email body with the subject based on the output.
2) Will the part of your query in red return only one record? -- no , more than one record is also possible.
- If it returns 4 records and 2 of them have counts_matching = "Yes" and the other 2 have counts_matching = "No", then what should be the final value of counts_matching?
--> in this case if all the counts_matching records = 'Yes' then subject line should be as "load counts Match for 'yyyymmdd' "
else if any of the counts_matching records = 'No' then subject line should be as ""warning : load_count mismatch for 'yyyymmdd'" but report should contain all the counts_matching records.
...
...
2) Will the part of your query in red return only one record? -- no , more than one record is also possible.
- If it returns 4 records and 2 of them have counts_matching = "Yes" and the other 2 have counts_matching = "No", then what should be the final value of counts_matching?
--> in this case if all the counts_matching records = 'Yes' then subject line should be as "load counts Match for 'yyyymmdd' "
else if any of the counts_matching records = 'No' then subject line should be as ""warning : load_count mismatch for 'yyyymmdd'" but report should contain all the counts_matching records.
So, in order to determine the appropriate mail subject, you want to find out if all records had counts matching or not.
The following query returns 1 if all records inserted today in table t1 have identical values for table_row_count and input_record_cnt.
If at least one record has different values, then the query returns 0.
Code:
select case when sum(case when table_row_count = input_record_cnt then 1 else 0 end) = count(*)
then 1 else 0
end as x
from t1
where insert_date = trunc(sysdate);
Of course, I assume that all both these columns (table_row_count and input_record_cnt) have numeric datatype, integer values and are non-nullable.
If NULLs are involved, then things become complicated pretty quickly.
- If one value is NULL and the other is, say, 5 then is that a mismatch or do you want to exclude them from comparison altogether, since NULL means "absence of value"?
- If both values are NULLs then is that a match or a mismatch?
Oracle has a lot of quirks regarding NULLs and I've avoided them in my suggested query.
Once you have this query, you can spool its output to another file and then read the said file to determine your mail subject.
Here's the shell script.
Note that I am echoing the mail command instead of executing it since I cannot email from my system.
Code:
$
$
$ cat -n generate_report.sh
1 #!/usr/bin/ksh
2
3 sqlplus -s user/pswd@db <<EOF
4 set feedback off trimspool on
5 set linesize 2000
6 set newpage 0
7 set pagesize 0
8 set wrap on
9 set echo off
10 set verify off
11 set time off timing off
12 whenever sqlerror exit failure
13 whenever oserror exit failure
14 alter session enable parallel dml;
15 spool output.txt
16 SELECT 'LOAD_DATE SOURCE_NAME COUNTS_MATCHING'
17 FROM dual
18 UNION ALL
19 SELECT load_date || ' ' || source_name || ' ' ||
20 CASE WHEN table_row_count = input_record_cnt THEN 'Yes' ELSE 'No' END
21 FROM t1
22 WHERE insert_date = TRUNC(SYSDATE);
23 spool off
24 spool all_counts_match.txt
25 select case when sum(case when table_row_count = input_record_cnt then 1 else 0 end) = count(*)
26 then 1 else 0
27 end as x
28 from t1
29 where insert_date = trunc(sysdate);
30 spool off
31 exit
32 EOF
33
34 if [[ $(cat all_counts_match.txt) -eq 1 ]]; then
35 mail_subject="Load counts match for $(date '+%d/%m/%Y')"
36 else
37 mail_subject="Warning: Load counts do not match for $(date '+%d/%m/%Y')"
38 fi
39 echo "mail -s \"$mail_subject\" sk@xyz.com < output.txt"
40
$
$
$ . generate_report.sh
LOAD_DATE SOURCE_NAME COUNTS_MATCHING
01-JAN-17 SRC_1 Yes
01-FEB-17 SRC_2 Yes
01-MAR-17 SRC_3 Yes
1
mail -s "Load counts match for 13/03/2017" sk@xyz.com < output.txt
$
$
$ # After making a change in the data of the Oracle table so that the counts do not match...
$
$ . generate_report.sh
LOAD_DATE SOURCE_NAME COUNTS_MATCHING
01-JAN-17 SRC_1 Yes
01-FEB-17 SRC_2 No
01-MAR-17 SRC_3 Yes
0
mail -s "Warning: Load counts do not match for 13/03/2017" sk@xyz.com < output.txt
$
$
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