#!/usr/local/bin/perl

###############################################################################
# Set up all needed modules and objects
###############################################################################
use strict;
use Getopt::Long;
use FindBin;
use Data::Dumper;

use lib "$FindBin::Bin/../../lib/perl";
use vars qw ($sbeams $sbeamsMOD $q $current_contact_id $current_username
             $accessible_project_ids 
             $PROG_NAME $USAGE %OPTIONS $QUIET $VERBOSE $DEBUG $DATABASE
             $TABLE_NAME $CATEGORY $DB_TABLE_NAME
             @MENU_OPTIONS);

use SBEAMS::Connection qw($q $log);
use SBEAMS::Connection::Settings;
use SBEAMS::Connection::Tables;
use SBEAMS::Connection::TabMenu;

use SBEAMS::PeptideAtlas;
use SBEAMS::PeptideAtlas::Settings;
use SBEAMS::PeptideAtlas::Tables;

$sbeams = new SBEAMS::Connection;
$sbeamsMOD = new SBEAMS::PeptideAtlas;
$sbeamsMOD->setSBEAMS($sbeams);
$sbeams->setSBEAMS_SUBDIR($SBEAMS_SUBDIR);


###############################################################################
# Set program name and usage banner for command line use
###############################################################################
$PROG_NAME = $FindBin::Script;
$USAGE = <<EOU;
Usage: $PROG_NAME [OPTIONS] key=value key=value ...
Options:
  --verbose n         Set verbosity level.  default is 0
  --quiet             Set flag to print nothing at all except errors
  --debug n           Set debug flag

 e.g.:  $PROG_NAME [OPTIONS] [keyword=value],...

EOU

#### Process options
unless (GetOptions(\%OPTIONS,"verbose:s","quiet","debug:s")) {
  print "$USAGE";
  exit;
}

$VERBOSE = $OPTIONS{"verbose"} || 0;
$QUIET = $OPTIONS{"quiet"} || 0;
$DEBUG = $OPTIONS{"debug"} || 0;
if ($DEBUG) {
  print "Options settings:\n";
  print "  VERBOSE = $VERBOSE\n";
  print "  QUIET = $QUIET\n";
  print "  DEBUG = $DEBUG\n";
}


###############################################################################
# Set Global Variables and execute main()
###############################################################################
main();
exit(0);


###############################################################################
# Main Program:
#
# Call $sbeams->Authenticate() and exit if it fails or continue if it works.
###############################################################################
sub main {

  #### Do the SBEAMS authentication and exit if a username is not returned
  exit unless ($current_username = $sbeams->Authenticate(
    #permitted_work_groups_ref=>['PeptideAtlas_user','PeptideAtlas_admin'],
    # connect_read_only=>1,
    allow_anonymous_access=>1,
  ));


  #### Read in the default input parameters
  my %parameters;

  $parameters{uploaded_file_not_saved} = 1;

  my $n_params_found = $sbeams->parse_input_parameters(
    q=>$q,parameters_ref=>\%parameters);
     #$sbeams->printDebuggingInfo($q);

  #### Process generic "state" parameters before we start
  $sbeams->processStandardParameters(parameters_ref=>\%parameters);

  #### Decide what action to take based on information so far
  if ($parameters{action} eq "???") {

    # Some action

  } else {

    my $project_id = $sbeamsMOD->getProjectID(
        atlas_build_id => $parameters{atlas_build_id}
        );

    $sbeamsMOD->display_page_header(
      project_id => $project_id,
      use_tabbed_panes=> '1',
    );

    handle_request(ref_parameters=>\%parameters);

    $sbeamsMOD->display_page_footer(
      use_tabbed_panes=> '1',
    );

  }
} # end main


###############################################################################
# Handle Request
###############################################################################
sub handle_request {
  my %args = @_;

  #### Process the arguments list
  my $ref_parameters = $args{'ref_parameters'}

    || die "ref_parameters not passed";
  my %parameters = %{$ref_parameters};

  #### Declare some variables
  my $file_name;

  #### Get the HTML to display the tabs
  my $tabMenu = $sbeamsMOD->getTabMenu(
    parameters_ref => \%parameters,
    program_name => $PROG_NAME,
  );
  if ( $sbeams->output_mode() eq 'html' ) {
    print $tabMenu->asHTML();
    print "<script>document.title = 'PeptideAtlas: Get Protein By Experiment';</script>";
  }

  #### Get the current atlas_build_id based on parameters or session
  my $atlas_build_id = $sbeamsMOD->getCurrentAtlasBuildID(
    parameters_ref => \%parameters,
  );
  if (defined($atlas_build_id) && $atlas_build_id < 0) {
    return;
  }
  $parameters{atlas_build_id} = $atlas_build_id;

  #### Define some generic variables
  my ($i,$element,$key,$value,$line,$result,$sql);

  #### Define some variables for a query and resultset
  my %resultset = ();
  my $resultset_ref = \%resultset;
  my (%url_cols,%hidden_cols,%max_widths,$show_sql,$biosequence_name_constraint);

  #### Read in the standard form values
  my $apply_action  = $parameters{'action'} || $parameters{'apply_action'};

  # for some reason, this returns nothing.
  # Used to return GetProteins instead of GetProteins_beta

  #### Set some specific settings for this program
  my $CATEGORY="Get Protein By Experiment";
  my $TABLE_NAME="AT_GetProteinsByExperiment"; 
  my $base_url = "$CGI_BASE_DIR/$SBEAMS_SUBDIR/$PROG_NAME";

  #### Get the columns and input types for this table/query
  my @columns = $sbeamsMOD->returnTableInfo($TABLE_NAME,"ordered_columns");
  my %input_types = $sbeamsMOD->returnTableInfo($TABLE_NAME,"input_types");

  #### Read the input parameters for each column
  my $n_params_found = $sbeams->parse_input_parameters(
    q=>$q,parameters_ref=>\%parameters,
    columns_ref=>\@columns,
    input_types_ref=>\%input_types);
   #$sbeams->printDebuggingInfo($q);

  #### If the apply action was to recall a previous resultset, do it
  my %rs_params = $sbeams->parseResultSetParams(q=>$q);

  #### Set some reasonable defaults if no parameters supplied
  #unless ($n_params_found) {
  #  $parameters{input_form_format} = "minimum_detail";
  #  $parameters{presence_level_constraint} = "1";
  #}
	#### Display the user-interaction input form
	$sbeams->display_input_form(
		TABLE_NAME=>$TABLE_NAME,
		CATEGORY=>$CATEGORY,
		apply_action=>$apply_action,
		PROGRAM_FILE_NAME=>$PROG_NAME,
		parameters_ref=>\%parameters,
		input_types_ref=>\%input_types,
		mask_user_context=> '1',
		use_tabbed_panes=> '1',
	);
  #### Display the form action buttons
  $sbeams->display_form_buttons( TABLE_NAME=>$TABLE_NAME,
                                 use_tabbed_panes => 1,
                               );


  #### Finish the upper part of the page and go begin the full-width
  #### data portion of the page
  $sbeams->display_page_footer( close_tables=>'NO',
                                use_tabbed_panes => 1,
                                separator_bar=>'NO',
                                display_footer=>'NO');


  #########################################################################
  #### Process all the constraints

  #### If no atlas_build_id was selected, stop here
  unless ($parameters{atlas_build_id}) {
    $sbeams->reportException(
      state => 'ERROR',
      type => 'INSUFFICIENT CONSTRAINTS',
      message => 'You must select at least one Atlas Build',
    );
    return;
  }

  if (split(",", $parameters{sample_id_constraint})  > 20){
    $sbeams->reportException(
      state => 'ERROR',
      type => 'Too may experiment id selected',
      message => 'You can at most 20 experiment ids',
    );
    return;

  }

  #### Build ATLAS_BUILD constraint

	#### Build BIOSEQUENCE_NAME constraints
	my $biosequence_name_clauses = $sbeams->parseConstraint2SQL(
		constraint_column=>"BS.biosequence_name",
		constraint_type=>"plain_text",
		constraint_name=>"BioSequence Name",
		constraint_value=>$parameters{biosequence_name_constraint} );
	return if ($biosequence_name_clauses eq '-1');

	#### Build BIOSEQUENCE_GENE_NAME constraints
	my $biosequence_gene_name_clauses = $sbeams->parseConstraint2SQL(
		constraint_column=>"BS.biosequence_gene_name",
		constraint_type=>"plain_text",
		constraint_name=>"BioSequence Gene Name",
		constraint_value=>$parameters{biosequence_gene_name_constraint} );
	return if ($biosequence_gene_name_clauses eq '-1');

	#### Build BIOSEQUENCE_DESC constraints
	my $biosequence_desc_clauses = $sbeams->parseConstraint2SQL(
		constraint_column=>"BS.biosequence_desc",
		constraint_type=>"plain_text",
		constraint_name=>"BioSequence Description",
		constraint_value=>$parameters{biosequence_desc_constraint} );
	return if ($biosequence_desc_clauses eq '-1');

  my $repository_identifier_clauses = $sbeams->parseConstraint2SQL(
    constraint_column=>"S.repository_identifiers",
    constraint_type=>"plain_text",
    constraint_name=>"repository_identifier_constraint",
    constraint_value=>$parameters{repository_identifiers} );
  return if ($repository_identifier_clauses eq '-1');

  #### Build PRESENCE_LEVEL constraint
  my $presence_level_clause = $sbeams->parseConstraint2SQL(
    constraint_column=>"PPL.protein_presence_level_id",
    constraint_type=>"int_list",
    constraint_name=>"Protein Presence Level",
    constraint_value=>$parameters{presence_level_constraint} );
  return if ($presence_level_clause eq '-1');

  #### Build SAMPLE_ID constraint
  my  $samples_clause =  $sbeams->parseConstraint2SQL(
    constraint_column=>"S.sample_id",
    constraint_type=>"int_list",
    constraint_name=>"Samples",
    constraint_value=>$parameters{sample_id_constraint} );
     return if ($samples_clause eq '-1');
  
  ## get organism_id to pass on to url_cols
  my $tsql = qq~
      SELECT BS.organism_id
      FROM $TBAT_BIOSEQUENCE_SET BS
      JOIN $TBAT_ATLAS_BUILD AB
      ON (AB.biosequence_set_id = BS.biosequence_set_id)
      where AB.atlas_build_id ='$parameters{atlas_build_id}'
      ~;
 
   my ($organism_id) = $sbeams->selectOneColumn($tsql) or
       die "\nERROR: Unable to find the organism_id" .
       " with $tsql\n\n";

  $parameters{organism_id} = $organism_id;

  ## handle file upload and clause for sql for $parameters{upload_file}
  my $biosequence_names_clauses;
  my %protein_hash;

  if ( $parameters{upload_file} )
  {
     ## upload the file to a file handler
     my $fh = $q->upload('upload_file');

     if (!$fh && $q->cgi_error)
     {
       print $q->header(-status=>$q->cgi_error);
     } elsif (!$fh) {
       # We get here when, after successfully uploading, we sort by column.
       #print "Could not create file handle for $parameters{upload_file}!\n"
     }

     # if file is a text file and is not too big, upload
     if ( (-T $fh) && (-s $fh < 1000000)) ##size constraint of 10 MB, restrict $count < 30000
     {
       my $count = 0;
       my $read_file=0;
       my $prt;
       ## protein list
       while ($prt=<$fh>)
       {
         chomp($prt);
         $prt =~ s/\s+$//;
         if ($prt)
         {
             $protein_hash{$prt} = $prt;
             $count = $count + 1;
         }
         last if ($count > 30000);
      }
    }
    ## join with a commas:
    my $protein_list = "";
    foreach my $pr (keys %protein_hash)
    {
       $protein_list = "'$protein_hash{$pr}',$protein_list"; 
    }
    ## trim off last comma:
    $protein_list =~ s/(.*)(,)$/$1/;

		if ($protein_list =~ m/%/) {
			my @tmp = split("," , $protein_list);
			$biosequence_names_clauses = "   AND ( BS.biosequence_name LIKE  $tmp[0] ";
			for (my $i = 1; $i < scalar(@tmp); $i++ ){
				if (  $tmp[$i] ){
					$biosequence_names_clauses .= "   OR BS.biosequence_name LIKE $tmp[$i]  ";
				} 
			}
			$biosequence_names_clauses .=  " ) --end";
		} else {
			$log->debug(" in unless % ") ;
			$biosequence_names_clauses ="   AND BS.biosequence_name IN ( $protein_list )";
		}
  } # if upload file
  my ($sql, %colnameidx, @column_titles, $columns_clause);
  if ($apply_action =~ /QUERY/i){
		#### Set flag to display SQL statement if user selected
		my @column_array = (
					["biosequence_name","BS.biosequence_name","Biosequence Name"],
					["biosequence_gene_name","BS.biosequence_gene_name","Biosequence Gene Name"],
					["presence_level","PPL.level_phrase","Presence Level in Build"],
					["length", "DATALENGTH(BS.biosequence_seq)", "Biosequence Length"],
					["sample_id", "S.sample_id", "Sample id"],
					["sample_tag", "S.sample_tag", "Sample Tag"],
					["pct_coverage", "BIABSB.percentage_coverage", "Percent Coverage"],
					["n_pep", "BIABSB.n_distinct_peptides","N Distinct Peptides"],
					["n_obs", "BIABSB.n_observations", "Total Obs"],
					["dSIn", "BIABSB.dSIn", "dSIn"],
          ["dSIn_percentile", "BIABSB.dSIn_percentile", "dSIn_percentile"],
					["SIn", "BIABSB.SIn", "SIn"],
          ["SIn_percentile", "BIABSB.SIn_percentile", "SIn_percentile"],
					["dNSAF", "BIABSB.dNSAF", , "dNSAF"],
					["NSAF", "BIABSB.NSAF", , "NSAF"],
					["biosequence_desc","CAST(BS.biosequence_desc AS varchar(255))","Protein Description"],
				);

		$columns_clause = $sbeams->build_SQL_columns_list(
			column_array_ref=>\@column_array,
			colnameidx_ref=>\%colnameidx,
			column_titles_ref=>\@column_titles
		);

		$sql = qq~
			SELECT $columns_clause
			FROM $TBAT_BIOSEQUENCE_ID_ATLAS_BUILD_SEARCH_BATCH BIABSB 
			JOIN $TBAT_BIOSEQUENCE BS ON (BS.BIOSEQUENCE_ID = BIABSB.BIOSEQUENCE_ID)
			JOIN $TBAT_ATLAS_BUILD_SEARCH_BATCH ABSB ON (ABSB.ATLAS_BUILD_SEARCH_BATCH_ID = BIABSB.ATLAS_BUILD_SEARCH_BATCH_ID)
			JOIN $TBAT_SAMPLE S ON (S.SAMPLE_ID = ABSB.SAMPLE_ID)
			JOIN $TBAT_PROTEIN_IDENTIFICATION PID ON (PID.BIOSEQUENCE_ID = BIABSB.BIOSEQUENCE_ID) 
			JOIN $TBAT_PROTEIN_PRESENCE_LEVEL PPL ON ( PPL.PROTEIN_PRESENCE_LEVEL_ID = PID.PRESENCE_LEVEL_ID )
			WHERE 1 = 1
       AND (BIABSB.SIn is not null or BIABSB.dSIn is not null)
			 AND BIABSB.atlas_build_id = $atlas_build_id
			 AND PID.atlas_build_id = $atlas_build_id 
			 AND ABSB.atlas_build_id = $atlas_build_id
			 $biosequence_name_clauses
       $biosequence_names_clauses
			 $biosequence_gene_name_clauses
			 $biosequence_desc_clauses
			 $presence_level_clause
			 $samples_clause
			 $repository_identifier_clauses
			ORDER BY BS.biosequence_name, S.sample_tag
		~;
  }
  if ( $parameters{display_options} =~ /ShowSQL/ ) {
    $show_sql = 1;
  }

#  if($parameters{display_options} =~ /proteinResidueView/){
#    $sql = "$sql\n$order_by_2\n";
#  }
#
#  if ($parameters{display_options} =~ /proteinView/){
#    $sql = "$sql\n$group_by\n$order_by_1\n";
#  }

  #### Certain types of actions should be passed to links
  my $pass_action = "QUERY";
  $pass_action = $apply_action if ($apply_action =~ /QUERY/i);

  my %url_cols = (
     'Biosequence Name' => "$CGI_BASE_DIR/PeptideAtlas/GetProtein?atlas_build_id=$atlas_build_id&protein_name=\%$colnameidx{biosequence_name}V&apply_action=$pass_action",
    'most_observed_ptm_peptide' => "$CGI_BASE_DIR/PeptideAtlas/GetPeptide?_tab=3&atlas_build_id=$parameters{atlas_build_id}&searchWithinThis=Peptide+Sequence&searchForThis=\%$colnameidx{most_observed_ptm_peptide}V&action=QUERY",


  );
  %hidden_cols = (
		 "start_in_biosequence" => 1,
		 "end_in_biosequence"=> 1,
     "biosequence_seq" => 1
  );



  #########################################################################
  #### If QUERY or VIEWRESULTSET was selected, display the data
  if ($apply_action =~ /QUERY/i || $apply_action =~ /VIEWRESULTSET|VIEWPLOT/ ) {
    #### If the action contained QUERY, then fetch the results from
    #### the database
    if ($apply_action =~ /QUERY/i) {
      #### Show the SQL that will be or was executed
      $sbeams->display_sql(
	     sql=>$sql,
	     use_tabbed_panes=> '1',
      )if ($show_sql);
      #### Fetch the results from the database server
      $sbeams->fetchResultSet(
        sql_query=>$sql,
        resultset_ref=>$resultset_ref,
        query_parameters_ref=>\%parameters,
        use_caching =>1 
      );
      #$resultset_ref->{precisions_list_ref}->[$colnameidx{dNSAF}] = 10;
      #$resultset_ref->{precisions_list_ref}->[$colnameidx{NSAF}] = 10;
			#### Store the resultset and parameters to disk resultset cache
			#### Post process the resultset
			if ($parameters{display_options} =~ /compareExp/ && ! $resultset_ref->{from_cache}){ 
  
				postProcessResultset(
					rs_params_ref=>\%rs_params,
					resultset_ref=>$resultset_ref,
					query_parameters_ref=>\%parameters,
					column_titles_ref=>\@column_titles,
          hidden_col_ref => \%hidden_cols
				);
      }

    }elsif ($apply_action =~ /VIEWRESULTSET|VIEWPLOT/ ) {
      my %rs_params = $sbeams->parseResultSetParams(q=>$q);
			$sbeams->readResultSet(
					resultset_file=>$rs_params{set_name},
					resultset_ref=>$resultset_ref,
					query_parameters_ref=>\%parameters
			);
	 	}
		$rs_params{set_name} = "SETME";
		my %write_params = ( rs_table => $TBAT_ATLAS_BUILD,
												 key_field => 'atlas_build_id',
												 key_value => $parameters{atlas_build_id} );

		$sbeams->writeResultSet(
			resultset_file_ref=>\$rs_params{set_name},
			resultset_ref=>$resultset_ref,
			query_parameters_ref=>\%parameters,
			resultset_params_ref=>\%rs_params,
			query_name=>"$SBEAMS_SUBDIR/$PROG_NAME",
			column_titles_ref=>\@column_titles,
			%write_params
		);
		my $obs_help = $sbeamsMOD->get_table_help(column_titles_ref=>\@column_titles); 
		#### Display the resultset
		$sbeams->displayResultSet(
			resultset_ref=>$resultset_ref,
			query_parameters_ref=>\%parameters,
			rs_params_ref=>\%rs_params,
			url_cols_ref=>\%url_cols,
			hidden_cols_ref=>\%hidden_cols,
			max_widths=>\%max_widths,
			use_tabbed_panes => 1,
			column_titles_ref=>\@column_titles,
			column_help=>$obs_help,
			base_url=>$base_url,
		);


			#### Display the resultset controls
			$sbeams->displayResultSetControls(
				resultset_ref=>$resultset_ref,
				query_parameters_ref=>\%parameters,
				rs_params_ref=>\%rs_params,
				base_url=>$base_url,
				use_tabbed_panes=>'1',
			);
			#### Display a plot of data from the resultset
			$sbeams->displayResultSetPlot_plotly(
				rs_params_ref=>\%rs_params,
				resultset_ref=>$resultset_ref,
				query_parameters_ref=>\%parameters,
				column_titles_ref=>\@column_titles,
				use_tabbed_panes => 1,
				mouseover_column => 'peptide_sequence',
				mouseover_url => $url_cols{'Peptide Sequence'},
				mouseover_tag => '%1V',
				base_url=>$base_url,
			);

   #### If QUERY was not selected, then tell the user to enter some parameters
   } else {
     if ($sbeams->invocation_mode() eq 'http') {
      print "<H4>Select parameters above and press QUERY</H4>\n";
     } else {
      print "You need to supply some parameters to constrain the query\n";
     }
   }

} # end handle_request



###############################################################################
# evalSQL
#
# Callback for translating Perl variables into their values,
# especially the global table variables to table names
###############################################################################
sub evalSQL {
  my $sql = shift;

  return eval "\"$sql\"";

} # end evalSQL

#######################################################################
sub getOrganismFullName 
{
    my %args = @_;
    
    my $organism_id = $args{organism_id};

    my $sql = qq~
        SELECT full_name
        FROM $TB_ORGANISM
        WHERE organism_id = '$organism_id'
        AND record_status != 'D'
    ~;

    my ($full_name) = $sbeams->selectOneColumn($sql);

    ## replace spaces with _
    $full_name =~ s/ /\_/g;

    return $full_name;
}
###############################################################################
# postProcessResultset
#
# Perform some additional processing on the resultset that would otherwise
# be very awkward to do in SQL.
###############################################################################
sub postProcessResultset {
  my %args = @_;

  my ($i,$element,$key,$value,$line,$result,$sql);

  #### Process the arguments list
  my $resultset_ref = $args{'resultset_ref'};
  my $rs_params_ref = $args{'rs_params_ref'};
  my $query_parameters_ref = $args{'query_parameters_ref'};
  my $column_titles_ref = $args{'column_titles_ref'};
  my $hidden_col_ref = $args{'hidden_col_ref'};

  my %rs_params = %{$rs_params_ref};
  my %parameters = %{$query_parameters_ref};

  my $n_rows = scalar(@{$resultset_ref->{data_ref}});
  my $cols = $resultset_ref->{column_hash_ref};
  my %data = ();

  my %sample_tags = ();
  my @new_result_data =();
  my $is_dSIn = 0;

  for ($i=0; $i<$n_rows; $i++) {
    my $val = $resultset_ref->{data_ref}->[$i]->[$cols->{dSIn_percentile}] || $resultset_ref->{data_ref}->[$i]->[$cols->{SIn_percentile}];
    my $sample_tag = $resultset_ref->{data_ref}->[$i]->[$cols->{sample_tag}];
    my $prot = $resultset_ref->{data_ref}->[$i]->[$cols->{biosequence_name}];
    my $prot_desc = $resultset_ref->{data_ref}->[$i]->[$cols->{biosequence_desc}];
    $data{$prot}{desc} = $prot_desc if (! $data{$prot}{desc});
    $data{$prot}{$sample_tag} = $val;
    
    $sample_tags{$sample_tag} =1;
    if ($resultset_ref->{data_ref}->[$i]->[$cols->{dSIn}] ne ''){
      $is_dSIn = 1;
    }
  }
  if ($is_dSIn){
    $hidden_col_ref->{SIn} =1;
    $hidden_col_ref->{NSAF} =1;
    $hidden_col_ref->{SIn_percentile} =1;
  }else{
    $hidden_col_ref->{dSIn} =1;
    $hidden_col_ref->{dNSAF} =1;
    $hidden_col_ref->{dSIn_percentile} =1;
  }

  my @sample_tags;
  my $i=0;
  my @type_list = qw(varchar);
  $resultset_ref->{column_hash_ref}{'Biosequence Name'} = $i;
  foreach my $sample_tag(sort {$a <=> $b} keys %sample_tags){
    push @sample_tags, $sample_tag;
    $resultset_ref->{column_hash_ref}{$sample_tag} = $i;
    push @type_list, 'int';
    $i++;
  }
  foreach my $prot (sort {$a cmp $b}keys %data){
     my @values = ();
     push @values, $prot;
     my $novalue = 1;
     foreach my $sample_tag (@sample_tags){
        push @values, $data{$prot}{$sample_tag};
        if ($data{$prot}{$sample_tag} ne ''){
           $novalue = 0; 
        }
     }
     push @values, $data{$prot}{desc};
     if (! $novalue){
       push @new_result_data, \@values;
     }
  } 
  
  unshift @sample_tags, 'Biosequence Name';
  push @sample_tags, 'Protein Description';
  push @type_list, 'varchar';
 
  my $n_columns = scalar @sample_tags;
  my $column_list_ref = [@sample_tags];
  $resultset_ref->{data_ref} = \@new_result_data;
  $resultset_ref->{column_list_ref} = $column_list_ref; 
  $resultset_ref->{column_title_ref} = $column_list_ref;
  $resultset_ref->{precisions_list_ref} = [ (10) x ($n_columns -1) ];
  push @{$resultset_ref->{precisions_list_ref}}, 255;
  @$column_titles_ref = @sample_tags; 
  $resultset_ref->{types_list_ref} = \@type_list; 
  return 1;

} # end postProcessResult