12 c call Webservice JDeveloper get "SQL string is not a DML statement" as a SQLException exception

Hi guys,.

I developed a java class to access the database using the OracleDataSource class and run a SQL query with a select statement. It works very well. I have built a wrapper class and as a Web service. I get "SQL string is not a DML statement" as a SQLException exception when I run as a Web service, but it works very well as an application.

No idea why I get this error? Not sure why WebSercie is having a problem while this works as an application.

Thank you and best regards,

Srini Mel

Solved the problem by myself.

The first release "SQL string is not a DML statement" is due to an additional line (pstmt2.executeUpdate ()) in the code.

Second question, receives not the query response is due to bad user input. I walked into 13.21651 instead of 31.21651.

Thank you!

Srini

Tags: Java

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Have you tried it? Why it did not work?

example not tested

select * from (
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example of tested

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Published by: Sven w. October 11, 2012 14:49

Published by: Sven w. October 11, 2012 14:51

Published by: Sven w. on October 11, 2012 14:56 - number column added to the output

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-------------------------------------------------------------

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"_Function 1_ '.

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(
in_report_parameter_id in NUMBERS
)
RETURN VARCHAR2
IS

my_class_select_text VARCHAR2 (10000);
my_class_select_value VARCHAR2 (10000);

CURSOR class_select_text IS
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Could someone help me?

Thanks in advance.
Hello
Never write, not to mention NPA, not formatted.
Use the spaces so that how the code appears on the screen reflects what it does.
In particular, to align the bunk directly following each other.
(a) IS, BEGIN, EXCEPTION and END statements
(2) the instructions of LOOP and END LOOP
(3) provisions (SELECT, FROM, WHERE,...) in SQL statements
(4) number of arguments for the same function (unless they are very simple)
When displaying a kind of formatting text on this site, type the 6 characters:
{code}
(small letters only, inside curly braces) before and after the formatted text, to maintain spacing.

user10641405 wrote:
Hi all
In my sql package I use 3 different functions to create two different sql strings and the 3rd function does some calculations of percentage. My Db architect on the revision of the code suggest to me that these two functions are almost the same except the sql string, it generates. Then she asked me to write a function that does everything in a db call.

Looks like you are using 3 different functions to create 3 different channels.
All 3 functions return the results of a query that has a column, a string that is made by concatenating strings under 5.
It looks like the only differences between the 3 functions are:
(a) the chains under 1st and 3rd in the concatenation are different in each case
(b) of the function, we add additional text at the end of the query results

Here's a way to combine these functions, so that you call
get_class_text (x, "SELECT") instead of get_class_select_text (x),
get_class_text (x, "SUM") instead of get_class_sum_text (x), and
get_class_text (x, "PERC") instead of get_class_perc_text (x).
```
FUNCTION get_class_text
(
     in_report_parameter_id IN NUMBER
     in_which            IN VARCHAR2 DEFAULT 'SELECT'
)
RETURN VARCHAR2
IS
     end_text        VARCHAR2 (50)   := '';

     my_class_perc_text VARCHAR2(10000) := '';

     CURSOR class_perc_text ( c_1_text     VARCHAR2 (50)
                             , c_2_text     VARCHAR2 (50)
                      )
     IS     SELECT  c_1_text || report_parameters.report_parameter_value
                           || c_3_text
                           || report_parameters.report_parameter_value
                           || '" '
     FROM    report_parameters
     WHERE     report_parameters.report_parameter_id     = in_report_parameter_id
     AND     report_parameters.report_parameter_group  = 'CLASS'
     AND     report_parameters.report_parameter_name   = 'CLASS'
     GROUP BY
             report_parameters.report_parameter_value
     ORDER BY
             CAST(report_parameters.report_parameter_value AS NUMBER);
BEGIN
     IF  UPPER (in_which) = 'SUM'
     THEN
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                              , '", 0)) "Class '
                         );
     ELSIF  UPPER (in_which) = 'PERC'
          OPEN class_perc_text ( 'ROUND((("Class '
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                         );
          end_text := ', DECODE("Total", -1, 0, 100) "Total" ';
     ELSE
          OPEN class_perc_text ( 'SUM(DECODE(bin_id, '
                              , ', bin_value, 0)) "Class '
                         );
     END IF;

     LOOP
          FETCH class_perc_text INTO my_class_perc_value;
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          my_class_perc_text := my_class_perc_text || ', ' || my_class_perc_value;
     END LOOP;

     CLOSE class_perc_text;
     my_class_perc_text := my_class_perc_text || end_text;

     RETURN my_class_perc_text;
END get_class_text;
```
Note how you can have settings for a cursor, so that certain expressions used in the cursor must not be known when the cursor is declared: they can be given when the cursor is opened.

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What can I do? Thank you!
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Cheers,
Dominic                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
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