04-25-2015
Hi Rudic,
I don't get any issue with pf_20150127.csv. The sums are matching with that of trailer record.
When I execute the same shell for pf_20150325.csv it gives me wrongly. The sum which I am doing from column D through O does not output any decimal values, where as the trailer record where I am cutting from original file and creating an temp file is displaying decimal values and when i compare my sum temp file with this temp file both are not matching. I don't understand why unix is treating the earlier pf_20150127.csv file in one way and pf_20150325.csv file in another way by displaying decimal values.
I could not find the value you have quoted in your comment, from which file it is and how have you arrived at that value.
Please let me know where you didn't understand my problem, I would be happy to explain again. Please help me out.
Note: I hope you are calculating the sum of column D from D2 : D592 in pf_20150127.csv and D2 : D602 in pf_20150325.csv file. like wise we should calculate for E2:E592,F2:F592,G2:G592,H2:H592.......O2:O592 for pf_20150127.csv file and in same manner for pf_20150325.csv file
With Regards,
TPK
---------- Post updated at 10:50 PM ---------- Previous update was at 11:44 AM ----------
Hi All,
Any Updates? Please help me out.
With Regards,
TPK
Last edited by tpk; 04-24-2015 at 01:55 PM..
Reason: Correction
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LEARN ABOUT DEBIAN
dbix::class::resultsetcolumn
DBIx::Class::ResultSetColumn(3pm) User Contributed Perl Documentation DBIx::Class::ResultSetColumn(3pm)
NAME
DBIx::Class::ResultSetColumn - helpful methods for messing
with a single column of the resultset
SYNOPSIS
$rs = $schema->resultset('CD')->search({ artist => 'Tool' });
$rs_column = $rs->get_column('year');
$max_year = $rs_column->max; #returns latest year
DESCRIPTION
A convenience class used to perform operations on a specific column of a resultset.
METHODS
new
my $obj = DBIx::Class::ResultSetColumn->new($rs, $column);
Creates a new resultset column object from the resultset and column passed as params. Used internally by "get_column" in
DBIx::Class::ResultSet.
as_query
Arguments: none
Return Value: [ $sql, @bind ]
Returns the SQL query and bind vars associated with the invocant.
This is generally used as the RHS for a subquery.
next
Arguments: none
Return Value: $value
Returns the next value of the column in the resultset (or "undef" if there is none).
Much like "next" in DBIx::Class::ResultSet but just returning the one value.
all
Arguments: none
Return Value: @values
Returns all values of the column in the resultset (or "undef" if there are none).
Much like "all" in DBIx::Class::ResultSet but returns values rather than row objects.
reset
Arguments: none
Return Value: $self
Resets the underlying resultset's cursor, so you can iterate through the elements of the column again.
Much like "reset" in DBIx::Class::ResultSet.
first
Arguments: none
Return Value: $value
Resets the underlying resultset and returns the next value of the column in the resultset (or "undef" if there is none).
Much like "first" in DBIx::Class::ResultSet but just returning the one value.
single
Arguments: none
Return Value: $value
Much like "single" in DBIx::Class::ResultSet fetches one and only one column value using the cursor directly. If additional rows are
present a warning is issued before discarding the cursor.
min
Arguments: none
Return Value: $lowest_value
my $first_year = $year_col->min();
Wrapper for ->func. Returns the lowest value of the column in the resultset (or "undef" if there are none).
min_rs
Arguments: none
Return Value: $resultset
my $rs = $year_col->min_rs();
Wrapper for ->func_rs for function MIN().
max
Arguments: none
Return Value: $highest_value
my $last_year = $year_col->max();
Wrapper for ->func. Returns the highest value of the column in the resultset (or "undef" if there are none).
max_rs
Arguments: none
Return Value: $resultset
my $rs = $year_col->max_rs();
Wrapper for ->func_rs for function MAX().
sum
Arguments: none
Return Value: $sum_of_values
my $total = $prices_col->sum();
Wrapper for ->func. Returns the sum of all the values in the column of the resultset. Use on varchar-like columns at your own risk.
sum_rs
Arguments: none
Return Value: $resultset
my $rs = $year_col->sum_rs();
Wrapper for ->func_rs for function SUM().
func
Arguments: $function
Return Value: $function_return_value
$rs = $schema->resultset("CD")->search({});
$length = $rs->get_column('title')->func('LENGTH');
Runs a query using the function on the column and returns the value. Produces the following SQL:
SELECT LENGTH( title ) FROM cd me
func_rs
Arguments: $function
Return Value: $resultset
Creates the resultset that "func()" uses to run its query.
throw_exception
See "throw_exception" in DBIx::Class::Schema for details.
AUTHORS
Luke Saunders <luke.saunders@gmail.com>
Jess Robinson
LICENSE
You may distribute this code under the same terms as Perl itself.
perl v5.14.2 2011-05-10 DBIx::Class::ResultSetColumn(3pm)