03-06-2009
How to format output
Dear all,
I have written a program which access database and displays the values returned by the query . There are 10 columns to be displayed in one row. But am ending with 5 lines displayed on 1st line and the next 5 in the 2nd line.
Ex :
21608 10-20-2007 148 Al's Appliance and Sport 2837
Greenway Fillmore FL 33336 Valerie Iron
21610 10-20-2007 356 Ferguson's 382
Wildwood Northfield FL 33146 Juan Gas Range
All the values from 21608 to Valerie Iron are to be displayed in single line.
the output statement i am using is :
printf("%s %s %s %s %s %s %s %s %s %s \n", row[0], row[1], row[2], row[3],row[4],row[5],row[6],row[7],row[8],row[9], row[10]);
Please suggest me if there is any way to format the output so that it shows up in a line.
Thanks
Uday
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LEARN ABOUT CENTOS
spi_modifytuple
SPI_MODIFYTUPLE(3) PostgreSQL 9.2.7 Documentation SPI_MODIFYTUPLE(3)
NAME
SPI_modifytuple - create a row by replacing selected fields of a given row
SYNOPSIS
HeapTuple SPI_modifytuple(Relation rel, HeapTuple row, int ncols,
int * colnum, Datum * values, const char * nulls)
DESCRIPTION
SPI_modifytuple creates a new row by substituting new values for selected columns, copying the original row's columns at other positions.
The input row is not modified.
ARGUMENTS
Relation rel
Used only as the source of the row descriptor for the row. (Passing a relation rather than a row descriptor is a misfeature.)
HeapTuple row
row to be modified
int ncols
number of column numbers in the array colnum
int * colnum
array of the numbers of the columns that are to be changed (column numbers start at 1)
Datum * values
new values for the specified columns
const char * Nulls
which new values are null, if any (see SPI_execute_plan for the format)
RETURN VALUE
new row with modifications, allocated in the upper executor context; NULL only if row is NULL
On error, SPI_result is set as follows:
SPI_ERROR_ARGUMENT
if rel is NULL, or if row is NULL, or if ncols is less than or equal to 0, or if colnum is NULL, or if values is NULL.
SPI_ERROR_NOATTRIBUTE
if colnum contains an invalid column number (less than or equal to 0 or greater than the number of column in row)
PostgreSQL 9.2.7 2014-02-17 SPI_MODIFYTUPLE(3)