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Full Discussion: output arguments from a sqlplus
Top Forums Shell Programming and Scripting output arguments from a sqlplus Post 302357210 by shell_zen on Tuesday 29th of September 2009 05:50:04 AM
Old 09-29-2009
output arguments from a sqlplus
Hi.

I need to output a 4 queries result into another application using
result=`sqlplus -s ${3}/${4}@${2} << EOF
...
query1
query2
query3
query4
....
echo "$metrics1"

and returning those individual values into another app.
(query1 and 3compute one value, query 2 and 4 compute 4 values. All of them floats)
For a normal situation I output the values this way,
server_avail1=`echo $tt1| awk '{print $1}'`; server_term1=`echo $tt1| awk '{print $7}'`;
server_menu_avail=`echo $tt1| awk '{print $2}'`; server_menu_avail=`echo $tt1| awk '{print $3}'`; ...............
the problem I'm facing is sometimes some values of a query are returned NULL and thus aren't echoed, which breaks my static outputting (and if the 1st value of the 2nd query goes NULL, the values that goes into server_menu_avail is the 2nd val of the 2nd query, etc)

To gain a little control, I tried to force substituting those NULLs with a 'NULL' word
echo "$scfmetrics1" | sed 's/^$/NULL/g'
but it's getting an extra NULL between the result of query1 and 2, and query 3 and 4.
Eg: 0 NULL NULL 100 NULL 100 100 NULL 0 NULL NULL 88.46 NULL 99.12 100

Any idea how to skin this rabbit?
 

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LEARN ABOUT PHP

ingres_result_seek

INGRES_RESULT_SEEK(3)							 1						     INGRES_RESULT_SEEK(3)

ingres_result_seek - Set the row position before fetching data

SYNOPSIS

       bool ingres_result_seek (resource  $result, int	$position)

DESCRIPTION

	This  function	is  used to position the cursor associated with the result resource before issuing a fetch. If ingres.array_index_start is
       set to 0 then the first row is 0 else it is 1. ingres_result_seek(3) can be used only with queries that make use of scrollable cursors.	It
       cannot be used with ingres_unbuffered_query(3).

       Note

	      Related Configurations

	       See also the ingres.scrollable and ingres.array_index_start directives in Runtime Configuration.

PARAMETERS

	      o $result
		- The result identifier for a query

	      o $position
		- The row to position the cursor on. If ingres.array_index_start is set to 0, then the first row is 0, else it is 1

RETURN VALUES

	Returns TRUE on success or FALSE on failure.

EXAMPLES

       Example #1

	      Position the cursor on the 3rd row

	      <?php

	      $result=ingres_query($link, "select * from airport where ap_ccode = 'ES' order by ap_place asc");

	      /* goto row 3 */
	      if (!ingres_result_seek($result, 3))
	      {
		  echo ingres_errno() . " - " . ingres_error . "
";
		  die("i died");
	      }
	      else
	      {
		  $airport = ingres_fetch_object ($result);
		  {
		      echo $airport->ap_iatacode . " - " .  $airport->ap_name . "
";
		  }
	      }

	      ingres_commit($link);

	      ?>

SEE ALSO

       ingres_query(3), ingres_fetch_array(3), ingres_fetch_assoc(3), ingres_fetch_object(3), ingres_fetch_row(3).

PHP Documentation Group 												     INGRES_RESULT_SEEK(3)
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