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Plperl functions with OUT parameters crashing each other when used in the same connection

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Hi,

I've got a strange bug with two plperl functions using OUT parameters: with a fresh ODBC or pgAdmin connection, I can call the first function, but then all further calls to the second function fail, or call the the second function, but then all further calls to the first function fail. Even more strange: when the second call fails, the message changes at each new try, mentioning one of the variables used as OUT parameters in the other function. Something is apprently not released from memory between each calls.

I'm using plperlu further in the program, with CPAN libraries; is the mix between plperl and plperlu forbidden, or can this be a "plperlU" effect?

Thanks for your help,

Cheers,


------------------------------------------------------------
--  FUNCTION: volets_fiche_fab_1
------------------------------------------------------------
CREATE OR REPLACE FUNCTION public.volets_fiche_fab_1
(
    IN id_commande		int4,

    OUT pos			      int4,
    OUT quant			int4,
    OUT nbre_vtx		      int4,
    OUT nbre_vtx_total		int4,
    OUT larg_maconnerie		int4,
    OUT haut_maconnerie		int4,
    OUT larg_vtx	            varchar(20),
    OUT haut_vtx		      int4,
    OUT ouv                   int4,
    OUT couvre_joints         text,
    OUT coupe_verticale       text,
    OUT vide_interieur        varchar(20),
    OUT typ			      varchar(20)
)
RETURNS SETOF record
AS

$$

    #----------------------------------------------------------------------------
    #-- Configuration des paramètres de la fonction
    #----------------------------------------------------------------------------
    @i = ( 'id_commande'
         );
    
    @io = ();
    
    @o = ( 'pos',
	     'quant', 
           'nbre_vtx',
           'nbre_vtx_total',
           'larg_maconnerie', 
           'haut_maconnerie',
           'larg_vtx', 
           'haut_vtx',
           'ouv',
           'couvre_joints',
	     'coupe_verticale',
           'vide_interieur',
	   'typ'
         );

    #----------------------------------------------------------------------------
    #-- Préparation des paramètres de la fonction
    #----------------------------------------------------------------------------
    &start_sub(@_);

    #----------------------------------------------------------------------------
    #-- Création de la fiche de fabrication
    #----------------------------------------------------------------------------
    $lignes_query = 'SELECT * FROM lignes WHERE id_commande = ' . $input{'id_commande'} . ' ORDER BY pos;';
    $lignes = spi_exec_query($lignes_query);
    $lignes_nrows = $lignes->{processed};
    foreach my $lignes_rn (0 .. $lignes_nrows - 1) 
    {
	# Fabrication de la ligne
	$fab = spi_exec_query('SELECT * FROM volets_fab(' . $lignes->{rows}[$lignes_rn]->{'id'} . ');');
	$fab_nrows = $fab->{processed};

	# Recherches des éventuels vantaux de gauche et droite
	my $vtxg;
	my $vtxd;
	for ($j = 0; ($fab->{rows}[$j]->{'article'} ne 'Largeur de vantail gauche') and ($j < $fab_nrows); $j = $j + 1) {};
	if ($j < $fab_nrows) { $vtxg = $fab->{rows}[$j]->{'larg'}; }
	for ($j = 0; ($fab->{rows}[$j]->{'article'} ne 'Largeur de vantail droite') and ($j < $fab_nrows); $j = $j + 1) {};
	if ($j < $fab_nrows) { $vtxd = $fab->{rows}[$j]->{'larg'}; }

	# Position
	$output{'pos'} = $lignes->{rows}[$lignes_rn]->{'pos'};

	# Quantité
        $output{'quant'} = $lignes->{rows}[$lignes_rn]->{'quant'};

	# Nombre de vantaux
	$output{'nbre_vtx'} = $lignes->{rows}[$lignes_rn]->{'nbre_vtx'};
        
	# Nombre de vantaux total
	$output{'nbre_vtx_total'} = $lignes->{rows}[$lignes_rn]->{'nbre_vtx'} * $lignes->{rows}[$lignes_rn]->{'quant'};

	# Largeur de maçonnerie
	for ($j = 0; ($fab->{rows}[$j]->{'article'} ne 'Largeur de maçonnerie') and ($j < $fab_nrows); $j = $j + 1) {};
	if ($j < $fab_nrows) { $output{'larg_maconnerie'} = $fab->{rows}[$j]->{'larg'}; }
	else { $output{'larg_maconnerie'} = ''; };

	# Hauteur de maçonnerie
        for ($j = 0; ($fab->{rows}[$j]->{'article'} ne 'Hauteur de maçonnerie') and ($j < $fab_nrows); $j = $j + 1) {};
	if ($j < $fab_nrows) { $output{'haut_maconnerie'} = $fab->{rows}[$j]->{'haut'}; }
	else { $output{'haut_maconnerie'} = ''; };
        
        # Largeur de vantail
	if (defined($vtxg) and defined($vtxd))
	{
	    # Vantaux asymétriques
	    $output{'larg_vtx'} = $vtxg . " / " . $vtxd;
	}
	else
	{
	    # Vantaux symétriques
	    for ($j = 0; ($fab->{rows}[$j]->{'article'} ne 'Largeur de vantail') and ($j < $fab_nrows); $j = $j + 1) {};
	    if ($j < $fab_nrows) { $output{'larg_vtx'} = $fab->{rows}[$j]->{'larg'}; }
	    else { $output{'larg_vtx'} = ''; };
	}

	# Hauteur de vantail
        for ($j = 0; ($fab->{rows}[$j]->{'article'} ne 'Hauteur de vantail') and ($j < $fab_nrows); $j = $j + 1) {};
	if ($j < $fab_nrows) { $output{'haut_vtx'} = $fab->{rows}[$j]->{'haut'}; }
	else { $output{'haut_vtx'} = ''; };
        
        # Type d'ouverture
	$output{'ouv'} = $lignes->{rows}[$lignes_rn]->{'ouv'};

	# Image des couvre-joints
	for ($j = 0; ($fab->{rows}[$j]->{'article'} ne 'Couvre-joints') and ($j < $fab_nrows); $j = $j + 1) {};
	if ($j < $fab_nrows) { $output{'couvre_joints'} = $fab->{rows}[$j]->{'image'}; }
	else { $output{'couvre_joints'} = ''; };

	# Image de la coupe verticape
	for ($j = 0; ($fab->{rows}[$j]->{'article'} ne 'Coupe verticale') and ($j < $fab_nrows); $j = $j + 1) {};
	if ($j < $fab_nrows) { $output{'coupe_verticale'} = $fab->{rows}[$j]->{'image'}; }
	else { $output{'coupe_verticale'} = ''; };

	# Vide intérieur
	if (defined($vtxg) and defined($vtxd))
	{
	    # Vantaux asymétriques
	    $output{'vide_interieur'} = ($vtxg - 106) . " / " . ($vtxd - 106);
	}
	else
	{
	    # Vantaux symétriques
	    for ($j = 0; ($fab->{rows}[$j]->{'article'} ne 'Largeur de vantail') and ($j < $fab_nrows); $j = $j + 1) {};
	    if ($j < $fab_nrows) { $output{'vide_interieur'} = $fab->{rows}[$j]->{'larg'} - 106; }
	    else { $output{'vide_interieur'} = ''; };
	}

	# Type de volet
	$output{'typ'} = $lignes->{rows}[$lignes_rn]->{'typ'};
	
	# Sortie
        ret(@_);
    }

    #----------------------------------------------------------------------------
    #-- Helper functions
    #----------------------------------------------------------------------------
    end_sub(@_);

    sub start_sub
    {
        init(@_);
    }

    sub end_sub
    {
        return undef;
    }

    sub init
    {
	$c = 0;
        foreach $i (@i) {$input{$i} = @_[$c++]};
        foreach $io (@io) {$input{$io} = @_[$c]; $output{$io} = @_[$c++]};
        foreach $o (@o) {$output{$o} = @_[$c++]};
    }

    sub ret
    {
	while (($key, $value) = each %output) {if (!defined($value)) {elog(ERROR, 'Valeur indéfinie pour ' . $key)}}; 
	return_next \%output;
	init(@_);
    }

$$
  
LANGUAGE 'plperl' VOLATILE;

------------------------------------------------------------
--  FUNCTION: volets_fiche_fab_2
------------------------------------------------------------
CREATE OR REPLACE FUNCTION public.volets_fiche_fab_2
(
    IN id_commande		int4,

    OUT pos			      int4,
    OUT article			varchar(50),
    OUT montage			varchar(50),
    OUT quant			int4,
    OUT long			int4,
    OUT larg			int4,
    OUT haut			int4
)
RETURNS SETOF record
AS

$$

    #----------------------------------------------------------------------------
    #-- Configuration des paramètres de la fonction
    #----------------------------------------------------------------------------
    @i = ( 'id_commande'
         );
    
    @io = ();
    
    @o = ( 'pos',
	     'article', 
           'montage',
           'quant',
           'long', 
           'larg',
           'haut'
         );

    #----------------------------------------------------------------------------
    #-- Préparation des paramètres de la fonction
    #----------------------------------------------------------------------------
    &start_sub(@_);

    #----------------------------------------------------------------------------
    #-- Création de la fiche de fabrication
    #----------------------------------------------------------------------------
    $lignes_query = 'SELECT * FROM lignes WHERE id_commande = ' . $input{'id_commande'} . ' ORDER BY pos;';
    $lignes = spi_exec_query($lignes_query);
    $lignes_nrows = $lignes->{processed};
    foreach my $lignes_rn (0 .. $lignes_nrows - 1) 
    {
	# Fabrication de la ligne
	$fab = spi_exec_query('SELECT * FROM volets_fab(' . $lignes->{rows}[$lignes_rn]->{'id'} . ');');
	$fab_nrows = $fab->{processed};

	# On passe en revue l'éclaté des pièces de la ligne
	for ($j = 0; $j < $fab_nrows; $j = $j + 1)
        {
            if (($fab->{rows}[$j]->{'article'} =~ /^(Montant|Traverse|Palette|Panneau|Baguette|Couvre-joint)/) &&
                ($fab->{rows}[$j]->{'t'} eq 'E'))
            {
                $output{'pos'} = $lignes->{rows}[$lignes_rn]->{'pos'};
                $output{'article'} = $fab->{rows}[$j]->{'article'};
                $output{'montage'} = $fab->{rows}[$j]->{'montage'};
                $output{'quant'} = $fab->{rows}[$j]->{'quant'};
                $output{'long'} = $fab->{rows}[$j]->{'long'};
                $output{'larg'} = $fab->{rows}[$j]->{'larg'};
                $output{'haut'} = $fab->{rows}[$j]->{'haut'};
                ret(@_);
            }
        }
    }

    #----------------------------------------------------------------------------
    #-- Helper functions
    #----------------------------------------------------------------------------
    end_sub(@_);

    sub start_sub
    {
        init(@_);
    }

    sub end_sub
    {
        return undef;
    }

    sub init
    {
	$c = 0;
        foreach $i (@i) {$input{$i} = @_[$c++]};
        foreach $io (@io) {$input{$io} = @_[$c]; $output{$io} = @_[$c++]};
        foreach $o (@o) {$output{$o} = @_[$c++]};
    }

    sub ret
    {
	#while (($key, $value) = each %output) {if (!defined($value)) {elog(ERROR, 'Valeur indéfinie pour ' . $key)}}; 
	return_next \%output;
	init(@_);
    }

$$
  
LANGUAGE 'plperl' VOLATILE;



----------------------------------
Philippe Lang, Ing. Dipl. EPFL
Attik System
rte de la Fonderie 2
1700 Fribourg
Switzerland
http://www.attiksystem.ch

Tel:  +41 (26) 422 13 75
Fax:  +41 (26) 422 13 76  

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