1 #-------------------------------------------------------------------------------------------------
2 package OpenILS::Reporter::SQLBuilder;
6 $class = ref($class) || $class;
8 return bless { _sql => undef } => $class;
14 $self->{_params} = $p;
20 return $self->{_builder}->{_params}->{$p};
25 $self->{_builder} = shift;
31 return $self->{_builder};
37 $self->builder->{_relative_time} = $t if (defined $t);
38 return $self->builder->{_relative_time};
45 if (defined($val) && $val =~ /^::(.+)$/o) {
46 $val = $self->get_param($1);
49 if (defined($val) && !ref($val)) {
61 my $rs = OpenILS::Reporter::SQLBuilder::ResultSet->new;
63 if (!$report->{order_by} || @{$report->{order_by}} == 0) {
64 $report->{order_by} = $report->{select};
67 $rs->is_subquery( 1 ) if ( $report->{alias} );
69 $rs ->set_builder( $self )
70 ->set_subquery_alias( $report->{alias} )
71 ->set_select( $report->{select} )
72 ->set_from( $report->{from} )
73 ->set_where( $report->{where} )
74 ->set_having( $report->{having} )
75 ->set_order_by( $report->{order_by} )
76 ->set_pivot_data( $report->{pivot_data} )
77 ->set_pivot_label( $report->{pivot_label} )
78 ->set_pivot_default( $report->{pivot_default} );
84 #-------------------------------------------------------------------------------------------------
85 package OpenILS::Reporter::SQLBuilder::ResultSet;
86 use base qw/OpenILS::Reporter::SQLBuilder/;
91 $self->{_is_subquery} = $flag if (defined $flag);
92 return $self->{_is_subquery};
97 return $self->builder->{_pivot_data};
102 return $self->builder->{_pivot_label};
107 return $self->builder->{_pivot_default};
110 sub set_pivot_default {
113 $self->builder->{_pivot_default} = $p if (defined $p);
120 $self->builder->{_pivot_data} = $p if (defined $p);
124 sub set_pivot_label {
127 $self->builder->{_pivot_label} = $p if (defined $p);
131 sub set_subquery_alias {
134 $self->{_alias} = $alias if (defined $alias);
142 $self->{_select} = [];
144 return $self unless (@cols && defined($cols[0]));
145 @cols = @{ $cols[0] } if (@cols == 1 && ref($cols[0]) eq 'ARRAY');
147 push @{ $self->{_select} }, map { OpenILS::Reporter::SQLBuilder::Column::Select->new( $_ )->set_builder( $self->builder ) } @cols;
156 $self->{_from} = OpenILS::Reporter::SQLBuilder::Relation->parse( $f, $self );
165 $self->{_where} = [];
167 return $self unless (@cols && defined($cols[0]));
168 @cols = @{ $cols[0] } if (@cols == 1 && ref($cols[0]) eq 'ARRAY');
170 push @{ $self->{_where} }, map { OpenILS::Reporter::SQLBuilder::Column::Where->new( $_, $self->{_from}->builder->{_rels} )->set_builder( $self->builder ) } @cols;
179 $self->{_having} = [];
181 return $self unless (@cols && defined($cols[0]));
182 @cols = @{ $cols[0] } if (@cols == 1 && ref($cols[0]) eq 'ARRAY');
184 push @{ $self->{_having} }, map { OpenILS::Reporter::SQLBuilder::Column::Having->new( $_ )->set_builder( $self->builder ) } @cols;
193 $self->{_order_by} = [];
195 return $self unless (@cols && defined($cols[0]));
196 @cols = @{ $cols[0] } if (@cols == 1 && ref($cols[0]) eq 'ARRAY');
198 push @{ $self->{_order_by} }, map { OpenILS::Reporter::SQLBuilder::Column::OrderBy->new( $_ )->set_builder( $self->builder ) } @cols;
203 sub column_label_list {
207 push @labels, $self->resolve_param( $_->{_alias} ) for ( @{ $self->{_select} } );
214 $base = 1 unless (defined $base);
219 for my $c ( @{ $self->{_select} } ) {
220 if ($base == 0 && !$seen_label && defined($self->pivot_label) && $gcount == $self->pivot_label - 1) {
224 push @group_by, $gcount if (!$c->is_aggregate);
234 return $self->{_sql} if ($self->{_sql});
238 if ($self->is_subquery) {
242 $sql .= "SELECT\t" . join(",\n\t", map { $_->toSQL } @{ $self->{_select} }) . "\n" if (@{ $self->{_select} });
243 $sql .= " FROM\t" . $self->{_from}->toSQL . "\n" if ($self->{_from});
244 $sql .= " WHERE\t" . join("\n\tAND ", map { $_->toSQL } @{ $self->{_where} }) . "\n" if (@{ $self->{_where} });
246 my @group_by = $self->group_by_list;
248 $sql .= ' GROUP BY ' . join(', ', @group_by) . "\n" if (@group_by);
249 $sql .= " HAVING " . join("\n\tAND ", map { $_->toSQL } @{ $self->{_having} }) . "\n" if (@{ $self->{_having} });
250 $sql .= ' ORDER BY ' . join(', ', map { $_->toSQL } @{ $self->{_order_by} }) . "\n" if (@{ $self->{_order_by} });
252 if ($self->is_subquery) {
253 $sql .= ') '. $self->{_alias} . "\n";
256 return $self->{_sql} = $sql;
260 #-------------------------------------------------------------------------------------------------
261 package OpenILS::Reporter::SQLBuilder::Input;
262 use base qw/OpenILS::Reporter::SQLBuilder/;
266 my $self = $class->SUPER::new;
268 my $col_data = shift;
270 if (ref($col_data)) {
271 $self->{params} = $col_data->{params};
272 my $trans = $col_data->{transform} || 'Bare';
273 my $pkg = "OpenILS::Reporter::SQLBuilder::Input::Transform::$trans";
274 if (UNIVERSAL::can($pkg => 'toSQL')) {
275 $self->{_transform} = $trans;
277 $self->{_transform} = 'GenericTransform';
279 } elsif( defined($col_data) ) {
280 $self->{_transform} = 'Bare';
281 $self->{params} = $col_data;
283 $self->{_transform} = 'NULL';
293 my $type = $self->{_transform};
294 return $self->{_sql} if ($self->{_sql});
295 my $toSQL = "OpenILS::Reporter::SQLBuilder::Input::Transform::${type}::toSQL";
296 return $self->{_sql} = $self->$toSQL;
300 #-------------------------------------------------------------------------------------------------
301 package OpenILS::Reporter::SQLBuilder::Input::Transform::NULL;
308 #-------------------------------------------------------------------------------------------------
309 package OpenILS::Reporter::SQLBuilder::Input::Transform::Bare;
314 my $val = $self->{params};
315 $val = $$val[0] if (ref($val));
317 $val =~ s/\\/\\\\/go;
324 #-------------------------------------------------------------------------------------------------
325 package OpenILS::Reporter::SQLBuilder::Input::Transform::age;
330 my $val = $self->{params};
331 $val = $$val[0] if (ref($val));
333 $val =~ s/\\/\\\\/go;
336 return "AGE(NOW(),'" . $val . "'::TIMESTAMPTZ)";
339 sub is_aggregate { return 0 }
342 #-------------------------------------------------------------------------------------------------
343 package OpenILS::Reporter::SQLBuilder::Input::Transform::relative_year;
348 my $rtime = $self->relative_time || 'now';
350 $rtime =~ s/\\/\\\\/go;
351 $rtime =~ s/'/\\'/go;
353 my $val = $self->{params};
354 $val = $$val[0] if (ref($val));
356 $val =~ s/\\/\\\\/go;
359 return "EXTRACT(YEAR FROM '$rtime'::TIMESTAMPTZ + '$val years')";
363 #-------------------------------------------------------------------------------------------------
364 package OpenILS::Reporter::SQLBuilder::Input::Transform::relative_month;
369 my $rtime = $self->relative_time || 'now';
371 $rtime =~ s/\\/\\\\/go;
372 $rtime =~ s/'/\\'/go;
374 my $val = $self->{params};
375 $val = $$val[0] if (ref($val));
377 $val =~ s/\\/\\\\/go;
380 return "EXTRACT(YEAR FROM '$rtime'::TIMESTAMPTZ + '$val months')" .
381 " || '-' || LPAD(EXTRACT(MONTH FROM '$rtime'::TIMESTAMPTZ + '$val months'),2,'0')";
385 #-------------------------------------------------------------------------------------------------
386 package OpenILS::Reporter::SQLBuilder::Input::Transform::relative_date;
391 my $rtime = $self->relative_time || 'now';
393 $rtime =~ s/\\/\\\\/go;
394 $rtime =~ s/'/\\'/go;
396 my $val = $self->{params};
397 $val = $$val[0] if (ref($val));
399 $val =~ s/\\/\\\\/go;
402 return "DATE('$rtime'::TIMESTAMPTZ + '$val days')";
406 #-------------------------------------------------------------------------------------------------
407 package OpenILS::Reporter::SQLBuilder::Input::Transform::relative_week;
412 my $rtime = $self->relative_time || 'now';
414 $rtime =~ s/\\/\\\\/go;
415 $rtime =~ s/'/\\'/go;
417 my $val = $self->{params};
418 $val = $$val[0] if (ref($val));
420 $val =~ s/\\/\\\\/go;
423 return "EXTRACT(WEEK FROM '$rtime'::TIMESTAMPTZ + '$val weeks')";
427 #-------------------------------------------------------------------------------------------------
428 package OpenILS::Reporter::SQLBuilder::Column;
429 use base qw/OpenILS::Reporter::SQLBuilder/;
433 my $self = $class->SUPER::new;
435 my $col_data = shift;
436 $self->{_relation} = $col_data->{relation};
437 $self->{_column} = $col_data->{column};
439 $self->{_aggregate} = $col_data->{aggregate};
441 $self->{_rels} = shift;
443 if (ref($self->{_column})) {
444 my $trans = $self->{_column}->{transform} || 'Bare';
445 my $pkg = "OpenILS::Reporter::SQLBuilder::Column::Transform::$trans";
446 if (UNIVERSAL::can($pkg => 'toSQL')) {
447 $self->{_transform} = $trans;
449 $self->{_transform} = 'GenericTransform';
451 } elsif( defined($self->{_column}) ) {
452 $self->{_transform} = 'Bare';
454 $self->{_transform} = 'NULL';
463 return $self->{_rels}->{$self->{_relation}};
468 if (ref($self->{_column})) {
469 return $self->{_column}->{colname};
471 return $self->{_column};
477 my $type = $self->{_transform};
478 return $self->{_sql} if ($self->{_sql});
479 my $toSQL = "OpenILS::Reporter::SQLBuilder::Column::Transform::${type}::toSQL";
480 return $self->{_sql} = $self->$toSQL;
485 my $type = $self->{_transform};
486 my $is_agg = "OpenILS::Reporter::SQLBuilder::Column::Transform::${type}::is_aggregate";
487 return $self->$is_agg;
491 #-------------------------------------------------------------------------------------------------
492 package OpenILS::Reporter::SQLBuilder::Column::OrderBy;
493 use base qw/OpenILS::Reporter::SQLBuilder::Column/;
497 my $self = $class->SUPER::new(@_);
499 my $col_data = shift;
500 $self->{_direction} = $col_data->{direction} || 'ascending';
506 my $dir = ($self->{_direction} =~ /^d/oi) ? 'DESC' : 'ASC';
507 return $self->{_sql} if ($self->{_sql});
508 return $self->{_sql} = $self->SUPER::toSQL . " $dir";
512 #-------------------------------------------------------------------------------------------------
513 package OpenILS::Reporter::SQLBuilder::Column::Select;
514 use base qw/OpenILS::Reporter::SQLBuilder::Column/;
518 my $self = $class->SUPER::new(@_);
520 my $col_data = shift;
521 $self->{_alias} = $col_data->{alias} || $self->name;
527 return $self->{_sql} if ($self->{_sql});
528 return $self->{_sql} = $self->SUPER::toSQL . ' AS "' . $self->resolve_param( $self->{_alias} ) . '"';
532 #-------------------------------------------------------------------------------------------------
533 package OpenILS::Reporter::SQLBuilder::Column::Transform::GenericTransform;
537 my $name = $self->name;
538 my $func = $self->{_column}->{transform};
541 @params = @{ $self->resolve_param( $self->{_column}->{params} ) } if ($self->{_column}->{params});
543 my $sql = $func . '("' . $self->{_relation} . '"."' . $self->name . '"';
544 $sql .= ",'" . join("','", @params) . "'" if (@params);
550 sub is_aggregate { return $self->{_aggregate} }
552 #-------------------------------------------------------------------------------------------------
553 package OpenILS::Reporter::SQLBuilder::Column::Transform::Bare;
557 return '"' . $self->{_relation} . '"."' . $self->name . '"';
560 sub is_aggregate { return 0 }
562 #-------------------------------------------------------------------------------------------------
563 package OpenILS::Reporter::SQLBuilder::Column::Transform::upper;
567 my $params = $self->resolve_param( $self->{_column}->{params} );
568 my $start = $$params[0];
569 my $len = $$params[1];
570 return 'UPPER("' . $self->{_relation} . '"."' . $self->name . '")';
573 sub is_aggregate { return 0 }
576 #-------------------------------------------------------------------------------------------------
577 package OpenILS::Reporter::SQLBuilder::Column::Transform::lower;
581 my $params = $self->resolve_param( $self->{_column}->{params} );
582 my $start = $$params[0];
583 my $len = $$params[1];
584 return 'LOWER("' . $self->{_relation} . '"."' . $self->name . '")';
587 sub is_aggregate { return 0 }
590 #-------------------------------------------------------------------------------------------------
591 package OpenILS::Reporter::SQLBuilder::Column::Transform::substring;
595 my $params = $self->resolve_param( $self->{_column}->{params} );
596 my $start = $$params[0];
597 my $len = $$params[1];
598 return 'SUBSTRING("' . $self->{_relation} . '"."' . $self->name . "\",$start,$len)";
601 sub is_aggregate { return 0 }
604 #-------------------------------------------------------------------------------------------------
605 package OpenILS::Reporter::SQLBuilder::Column::Transform::day_name;
609 return 'TO_CHAR("' . $self->{_relation} . '"."' . $self->name . '", \'Day\')';
612 sub is_aggregate { return 0 }
615 #-------------------------------------------------------------------------------------------------
616 package OpenILS::Reporter::SQLBuilder::Column::Transform::month_name;
620 return 'TO_CHAR("' . $self->{_relation} . '"."' . $self->name . '", \'Month\')';
623 sub is_aggregate { return 0 }
626 #-------------------------------------------------------------------------------------------------
627 package OpenILS::Reporter::SQLBuilder::Column::Transform::doy;
631 return 'EXTRACT(DOY FROM "' . $self->{_relation} . '"."' . $self->name . '")';
634 sub is_aggregate { return 0 }
637 #-------------------------------------------------------------------------------------------------
638 package OpenILS::Reporter::SQLBuilder::Column::Transform::woy;
642 return 'EXTRACT(WEEK FROM "' . $self->{_relation} . '"."' . $self->name . '")';
645 sub is_aggregate { return 0 }
648 #-------------------------------------------------------------------------------------------------
649 package OpenILS::Reporter::SQLBuilder::Column::Transform::moy;
653 return 'EXTRACT(MONTH FROM "' . $self->{_relation} . '"."' . $self->name . '")';
656 sub is_aggregate { return 0 }
659 #-------------------------------------------------------------------------------------------------
660 package OpenILS::Reporter::SQLBuilder::Column::Transform::qoy;
664 return 'EXTRACT(QUARTER FROM "' . $self->{_relation} . '"."' . $self->name . '")';
667 sub is_aggregate { return 0 }
670 #-------------------------------------------------------------------------------------------------
671 package OpenILS::Reporter::SQLBuilder::Column::Transform::dom;
675 return 'EXTRACT(DAY FROM "' . $self->{_relation} . '"."' . $self->name . '")';
678 sub is_aggregate { return 0 }
681 #-------------------------------------------------------------------------------------------------
682 package OpenILS::Reporter::SQLBuilder::Column::Transform::dow;
686 return 'EXTRACT(DOW FROM "' . $self->{_relation} . '"."' . $self->name . '")';
689 sub is_aggregate { return 0 }
692 #-------------------------------------------------------------------------------------------------
693 package OpenILS::Reporter::SQLBuilder::Column::Transform::year_trunc;
697 return 'EXTRACT(YEAR FROM "' . $self->{_relation} . '"."' . $self->name . '")';
700 sub is_aggregate { return 0 }
703 #-------------------------------------------------------------------------------------------------
704 package OpenILS::Reporter::SQLBuilder::Column::Transform::month_trunc;
708 return 'EXTRACT(YEAR FROM "' . $self->{_relation} . '"."' . $self->name . '")' .
709 ' || \'-\' || LPAD(EXTRACT(MONTH FROM "' . $self->{_relation} . '"."' . $self->name . '"),2,\'0\')';
712 sub is_aggregate { return 0 }
715 #-------------------------------------------------------------------------------------------------
716 package OpenILS::Reporter::SQLBuilder::Column::Transform::date_trunc;
720 return 'DATE("' . $self->{_relation} . '"."' . $self->name . '")';
723 sub is_aggregate { return 0 }
726 #-------------------------------------------------------------------------------------------------
727 package OpenILS::Reporter::SQLBuilder::Column::Transform::hour_trunc;
731 return 'DATE_TRUNC("' . $self->{_relation} . '"."' . $self->name . '")';
734 sub is_aggregate { return 0 }
737 #-------------------------------------------------------------------------------------------------
738 package OpenILS::Reporter::SQLBuilder::Column::Transform::quarter;
742 return 'EXTRACT(YEAR FROM "' . $self->{_relation} . '"."' . $self->name . '")' .
743 ' || \'-Q\' || EXTRACT(QUARTER FROM "' . $self->{_relation} . '"."' . $self->name . '")';
746 sub is_aggregate { return 0 }
749 #-------------------------------------------------------------------------------------------------
750 package OpenILS::Reporter::SQLBuilder::Column::Transform::months_ago;
754 return 'EXTRACT(MONTH FROM AGE(NOW(),"' . $self->{_relation} . '"."' . $self->name . '"))';
757 sub is_aggregate { return 0 }
760 #-------------------------------------------------------------------------------------------------
761 package OpenILS::Reporter::SQLBuilder::Column::Transform::hod;
765 return 'EXTRACT(HOUR FROM "' . $self->{_relation} . '"."' . $self->name . '")';
768 sub is_aggregate { return 0 }
771 #-------------------------------------------------------------------------------------------------
772 package OpenILS::Reporter::SQLBuilder::Column::Transform::quarters_ago;
776 return 'EXTRACT(QUARTER FROM AGE(NOW(),"' . $self->{_relation} . '"."' . $self->name . '"))';
779 sub is_aggregate { return 0 }
782 #-------------------------------------------------------------------------------------------------
783 package OpenILS::Reporter::SQLBuilder::Column::Transform::age;
787 return 'AGE(NOW(),"' . $self->{_relation} . '"."' . $self->name . '")';
790 sub is_aggregate { return 0 }
793 #-------------------------------------------------------------------------------------------------
794 package OpenILS::Reporter::SQLBuilder::Column::Transform::first;
798 return 'FIRST("' . $self->{_relation} . '"."' . $self->name . '")';
801 sub is_aggregate { return 1 }
804 #-------------------------------------------------------------------------------------------------
805 package OpenILS::Reporter::SQLBuilder::Column::Transform::last;
809 return 'LAST("' . $self->{_relation} . '"."' . $self->name . '")';
812 sub is_aggregate { return 1 }
815 #-------------------------------------------------------------------------------------------------
816 package OpenILS::Reporter::SQLBuilder::Column::Transform::min;
820 return 'MIN("' . $self->{_relation} . '"."' . $self->name . '")';
823 sub is_aggregate { return 1 }
826 #-------------------------------------------------------------------------------------------------
827 package OpenILS::Reporter::SQLBuilder::Column::Transform::max;
831 return 'MAX("' . $self->{_relation} . '"."' . $self->name . '")';
834 sub is_aggregate { return 1 }
837 #-------------------------------------------------------------------------------------------------
838 package OpenILS::Reporter::SQLBuilder::Column::Transform::count;
842 return 'COUNT("' . $self->{_relation} . '"."' . $self->name . '")';
845 sub is_aggregate { return 1 }
848 #-------------------------------------------------------------------------------------------------
849 package OpenILS::Reporter::SQLBuilder::Column::Transform::count_distinct;
853 return 'COUNT(DISTINCT "' . $self->{_relation} . '"."' . $self->name . '")';
856 sub is_aggregate { return 1 }
859 #-------------------------------------------------------------------------------------------------
860 package OpenILS::Reporter::SQLBuilder::Column::Transform::sum;
864 return 'SUM("' . $self->{_relation} . '"."' . $self->name . '")';
867 sub is_aggregate { return 1 }
870 #-------------------------------------------------------------------------------------------------
871 package OpenILS::Reporter::SQLBuilder::Column::Transform::average;
875 return 'AVG("' . $self->{_relation} . '"."' . $self->name . '")';
878 sub is_aggregate { return 1 }
881 #-------------------------------------------------------------------------------------------------
882 package OpenILS::Reporter::SQLBuilder::Column::Where;
883 use base qw/OpenILS::Reporter::SQLBuilder::Column/;
887 my $self = $class->SUPER::new(@_);
889 my $col_data = shift;
890 $self->{_condition} = $col_data->{condition};
895 sub _flesh_conditions {
898 $cond = [$cond] unless (ref($cond) eq 'ARRAY');
902 push @out, OpenILS::Reporter::SQLBuilder::Input->new( $c )->set_builder( $builder );
911 return $self->{_sql} if ($self->{_sql});
915 my $rel = $self->find_relation();
916 if ($rel && $rel->is_nullable) {
917 $sql = "(". $self->SUPER::toSQL ." IS NULL OR ";
920 $sql .= $self->SUPER::toSQL;
922 my ($op) = keys %{ $self->{_condition} };
923 my $val = _flesh_conditions( $self->resolve_param( $self->{_condition}->{$op} ), $self->builder );
925 if (lc($op) eq 'in') {
926 $sql .= " IN (". join(",", map { $_->toSQL } @$val).")";
927 } elsif (lc($op) eq 'not in') {
928 $sql .= " NOT IN (". join(",", map { $_->toSQL } @$val).")";
929 } elsif (lc($op) eq 'between') {
930 $sql .= " BETWEEN ". join(" AND ", map { $_->toSQL } @$val);
931 } elsif (lc($op) eq 'not between') {
932 $sql .= " NOT BETWEEN ". join(" AND ", map { $_->toSQL } @$val);
933 } elsif (lc($op) eq 'like') {
934 $val = $$val[0] if (ref($val) eq 'ARRAY');
935 $val =~ s/^'(.*)'$/$1/o;
938 $sql .= " LIKE '\%$val\%'";
939 } elsif (lc($op) eq 'ilike') {
940 $val = $$val[0] if (ref($val) eq 'ARRAY');
941 $val =~ s/^'(.*)'$/$1/o;
944 $sql .= " ILIKE '\%$val\%'";
946 $val = $$val[0] if (ref($val) eq 'ARRAY');
947 $sql .= " $op " . $val->toSQL;
950 if ($rel && $rel->is_nullable) {
954 return $self->{_sql} = $sql;
958 #-------------------------------------------------------------------------------------------------
959 package OpenILS::Reporter::SQLBuilder::Column::Having;
960 use base qw/OpenILS::Reporter::SQLBuilder::Column::Where/;
962 #-------------------------------------------------------------------------------------------------
963 package OpenILS::Reporter::SQLBuilder::Relation;
964 use base qw/OpenILS::Reporter::SQLBuilder/;
968 $self = $self->SUPER::new if (!ref($self));
970 my $rel_data = shift;
972 $self->set_builder($b);
974 $self->{_table} = $rel_data->{table};
975 $self->{_alias} = $rel_data->{alias} || $self->name;
977 $self->{_columns} = [];
979 $self->builder->{_rels}{$self->{_alias}} = $self;
981 if ($rel_data->{join}) {
983 $_ => OpenILS::Reporter::SQLBuilder::Relation->parse( $rel_data->{join}->{$_}, $b ) => $rel_data->{join}->{$_}->{key} => $rel_data->{join}->{$_}->{type}
984 ) for ( keys %{ $rel_data->{join} } );
994 push @{ $self->{_columns} }, $col;
1000 return (grep { $_->name eq $col} @{ $self->{_columns} })[0];
1008 my $type = lc(shift()) || 'inner';
1010 if (UNIVERSAL::isa($col,'OpenILS::Reporter::SQLBuilder::Join')) {
1011 push @{ $self->{_join} }, $col;
1013 push @{ $self->{_join} }, OpenILS::Reporter::SQLBuilder::Join->build( $self => $col, $frel => $fkey, $type );
1021 return $self->{_nullable};
1027 $self->{_is_join} = $j if ($j);
1028 return $self->{_is_join};
1034 $self->{_join_type} = $j if ($j);
1035 return $self->{_join_type};
1040 return $self->{_sql} if ($self->{_sql});
1042 my $sql = $self->{_table} .' AS "'. $self->{_alias} .'"';
1044 if (!$self->is_join) {
1045 for my $j ( @{ $self->{_join} } ) {
1050 return $self->{_sql} = $sql;
1053 #-------------------------------------------------------------------------------------------------
1054 package OpenILS::Reporter::SQLBuilder::Join;
1055 use base qw/OpenILS::Reporter::SQLBuilder/;
1059 my $self = $class->SUPER::new if (!ref($class));
1061 $self->{_left_rel} = shift;
1062 ($self->{_left_col}) = split(/-/,shift());
1064 $self->{_right_rel} = shift;
1065 $self->{_right_col} = shift;
1067 $self->{_join_type} = shift;
1069 $self->{_right_rel}->set_builder($self->{_left_rel}->builder);
1071 $self->{_right_rel}->is_join(1);
1072 $self->{_right_rel}->join_type($self->{_join_type});
1074 bless $self => "OpenILS::Reporter::SQLBuilder::Join::$self->{_join_type}";
1083 my $sql = "JOIN " . $self->{_right_rel}->toSQL .
1084 ' ON ("' . $self->{_left_rel}->{_alias} . '"."' . $self->{_left_col} .
1085 '" = "' . $self->{_right_rel}->{_alias} . '"."' . $self->{_right_col} . '")';
1087 $sql .= $_->toSQL($dir) for (@{ $self->{_right_rel}->{_join} });
1092 #-------------------------------------------------------------------------------------------------
1093 package OpenILS::Reporter::SQLBuilder::Join::left;
1094 use base qw/OpenILS::Reporter::SQLBuilder::Join/;
1099 #return $self->{_sql} if ($self->{_sql});
1101 my $_nullable_rel = $dir && $dir eq 'r' ? '_left_rel' : '_right_rel';
1102 $self->{_right_rel}->{_nullable} = 'l';
1103 $self->{$_nullable_rel}->{_nullable} = $dir;
1105 my $j = $dir && $dir eq 'r' ? 'FULL OUTER' : 'LEFT OUTER';
1107 my $sql = "\n\t$j ". $self->SUPER::toSQL('l');
1109 #$sql .= $_->toSQL for (@{ $self->{_right_rel}->{_join} });
1111 return $self->{_sql} = $sql;
1114 #-------------------------------------------------------------------------------------------------
1115 package OpenILS::Reporter::SQLBuilder::Join::right;
1116 use base qw/OpenILS::Reporter::SQLBuilder::Join/;
1121 #return $self->{_sql} if ($self->{_sql});
1123 my $_nullable_rel = $dir && $dir eq 'l' ? '_right_rel' : '_left_rel';
1124 $self->{_left_rel}->{_nullable} = 'r';
1125 $self->{$_nullable_rel}->{_nullable} = $dir;
1127 my $j = $dir && $dir eq 'l' ? 'FULL OUTER' : 'RIGHT OUTER';
1129 my $sql = "\n\t$j ". $self->SUPER::toSQL('r');
1131 #$sql .= $_->toSQL for (@{ $self->{_right_rel}->{_join} });
1133 return $self->{_sql} = $sql;
1136 #-------------------------------------------------------------------------------------------------
1137 package OpenILS::Reporter::SQLBuilder::Join::inner;
1138 use base qw/OpenILS::Reporter::SQLBuilder::Join/;
1143 #return $self->{_sql} if ($self->{_sql});
1145 my $_nullable_rel = $dir && $dir eq 'l' ? '_right_rel' : '_left_rel';
1146 $self->{$_nullable_rel}->{_nullable} = $dir;
1148 my $j = $dir ? ( $dir eq 'l' ? 'LEFT OUTER' : ( $dir eq 'r' ? 'RIGHT OUTER' : 'FULL OUTER' ) ) : 'INNER';
1150 my $sql = "\n\t$j ". $self->SUPER::toSQL;
1152 #$sql .= $_->toSQL for (@{ $self->{_right_rel}->{_join} });
1154 return $self->{_sql} = $sql;
1157 #-------------------------------------------------------------------------------------------------
1158 package OpenILS::Reporter::SQLBuilder::Join::cross;
1159 use base qw/OpenILS::Reporter::SQLBuilder::Join/;
1163 #return $self->{_sql} if ($self->{_sql});
1165 $self->{_right_rel}->{_nullable} = 'f';
1166 $self->{_left_rel}->{_nullable} = 'f';
1168 my $sql = "\n\tFULL OUTER ". $self->SUPER::toSQL('f');
1170 #$sql .= $_->toSQL for (@{ $self->{_right_rel}->{_join} });
1172 return $self->{_sql} = $sql;