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[mfinanz.git] / SL / DBUtils.pm

diff --git a/SL/DBUtils.pm b/SL/DBUtils.pm
index d0663fa9670c68a3849fc01f294136ff1085ad6a..f0952440e4aaa6595fe621eb4e77eee48ca11b46 100644 (file)
--- a/SL/DBUtils.pm
+++ b/SL/DBUtils.pm
@@ -8,12 +8,12 @@ our @ISA = qw(Exporter);
 our @EXPORT = qw(conv_i conv_date conv_dateq do_query selectrow_query do_statement
              dump_query quote_db_date like
              selectfirst_hashref_query selectfirst_array_query
-             selectall_hashref_query selectall_array_query
+             selectall_hashref_query selectall_array_query selectcol_array_query
              selectall_as_map
              selectall_ids
              prepare_execute_query prepare_query
              create_sort_spec does_table_exist
-             add_token);
+             add_token check_trgm);
 
 use strict;
 
@@ -92,7 +92,7 @@ sub dump_query {
   my $self_filename = 'SL/DBUtils.pm';
   my $filename      = $self_filename;
   my ($caller_level, $line, $subroutine);
-  while ($filename eq $self_filename) {
+  while ($filename =~ m{$self_filename$}) {
     (undef, $filename, $line, $subroutine) = caller $caller_level++;
   }
 
@@ -171,16 +171,15 @@ sub selectall_hashref_query {
   return wantarray ? @{ $result } : $result;
 }
 
-sub selectall_array_query {
+sub selectall_array_query { goto &selectcol_array_query; }
+
+sub selectcol_array_query {
   $main::lxdebug->enter_sub(2);
 
   my ($form, $dbh, $query) = splice(@_, 0, 3);
 
   my $sth = prepare_execute_query($form, $dbh, $query, @_);
-  my @result;
-  while (my ($value) = $sth->fetchrow_array()) {
-    push(@result, $value);
-  }
+  my @result = @{ $dbh->selectcol_arrayref($sth) };
   $sth->finish();
 
   $main::lxdebug->leave_sub(2);
@@ -399,6 +398,14 @@ sub role_is_superuser {
   return $is_superuser;
 }
 
+sub check_trgm {
+  my ($dbh)  = @_;
+
+  my $version = $dbh->selectrow_array(qq|SELECT installed_version FROM pg_available_extensions WHERE name = 'pg_trgm'|);
+
+  return !!$version;
+}
+
 1;
 
 
@@ -433,6 +440,8 @@ SL::DBUtils.pm: All about database connections in kivitendo
   my @first_result =  selectfirst_array_query($form, $dbh, $query);
   my @first_result =  selectrow_query($form, $dbh, $query);
 
+  my @values = selectcol_array_query($form, $dbh, $query);
+
   my %sort_spec = create_sort_spec(%params);
 
 =head1 DESCRIPTION
@@ -615,6 +624,16 @@ the database, and returns it in hashref mode. This is slightly confusing, as
 the data structure will actually be a reference to an array, containing
 hashrefs for each row.
 
+
+=item selectall_array_query FORM,DBH,QUERY,ARRAY
+
+Deprecated, see C<selectcol_array_query>
+
+=item selectcol_array_query FORM,DBH,QUERY,ARRAY
+
+Prepares and executes a query using DBUtils functions, retrieves the values of
+the first result column and returns the values as an array.
+
 =item selectall_as_map FORM,DBH,QUERY,KEY_COL,VALUE_COL,ARRAY
 
 Prepares and executes a query using DBUtils functions, retrieves all data from
@@ -673,6 +692,11 @@ application (e.g. if the user clicked on a column header in a
 report). If it is undefined then the 'default_dir' parameter will be
 used instead.
 
+=item check_trgm
+
+Checks if the postgresextension pg_trgm is installed and return trueish
+or falsish.
+
 =back
 
 =head1 DEBUG FUNCTIONS
@@ -704,6 +728,11 @@ general little need to invoke it manually.
   $query = qq|SELECT nextval('glid')|;
   ($new_id) = selectrow_query($form, $dbh, $query);
 
+=item Retrieving all values from a column:
+
+  $query = qq|SELECT id FROM units|;
+  @units = selectcol_array_query($form, $dbh, $query);
+
 =item Using binding values:
 
   $query = qq|UPDATE ar SET paid = amount + paid, storno = 't' WHERE id = ?|;