use strict;
use warnings;
-use Class::C3;
use base qw/DBIx::Class::Schema::Loader::DBI/;
-use namespace::autoclean;
-use Carp::Clan qw/^DBIx::Class/;
+use mro 'c3';
use Scalar::Util 'looks_like_number';
+use List::MoreUtils 'any';
+use Try::Tiny;
+use namespace::clean;
+use DBIx::Class::Schema::Loader::Table::Informix ();
-our $VERSION = '0.07000';
+our $VERSION = '0.07034_02';
=head1 NAME
=cut
+sub _build_name_sep { '.' }
+
+sub _system_databases {
+ return (qw/
+ sysmaster sysutils sysuser sysadmin
+ /);
+}
+
+sub _current_db {
+ my $self = shift;
+
+ my ($current_db) = $self->dbh->selectrow_array(<<'EOF');
+SELECT rtrim(ODB_DBName)
+FROM sysmaster:informix.SysOpenDB
+WHERE ODB_SessionID = (
+ SELECT DBINFO('sessionid')
+ FROM informix.SysTables
+ WHERE TabID = 1
+ ) and ODB_IsCurrent = 'Y'
+EOF
+
+ return $current_db;
+}
+
+sub _owners {
+ my ($self, $db) = @_;
+
+ my ($owners) = $self->dbh->selectcol_arrayref(<<"EOF");
+SELECT distinct(rtrim(owner))
+FROM ${db}:informix.systables
+EOF
+
+ my @owners = grep $_ && $_ ne 'informix' && !/^\d/, @$owners;
+
+ return @owners;
+}
+
sub _setup {
my $self = shift;
if (not defined $self->preserve_case) {
$self->preserve_case(0);
}
+ elsif ($self->preserve_case) {
+ $self->schema->storage->sql_maker->quote_char('"');
+ $self->schema->storage->sql_maker->name_sep('.');
+ }
+
+ my $current_db = $self->_current_db;
+
+ if (ref $self->db_schema eq 'HASH') {
+ if (keys %{ $self->db_schema } < 2) {
+ my ($db) = keys %{ $self->db_schema };
+
+ $db ||= $current_db;
+
+ if ($db eq '%') {
+ my $owners = $self->db_schema->{$db};
+
+ my $db_names = $self->dbh->selectcol_arrayref(<<'EOF');
+SELECT rtrim(name)
+FROM sysmaster:sysdatabases
+EOF
+
+ my @dbs;
+
+ foreach my $db_name (@$db_names) {
+ push @dbs, $db_name
+ unless any { $_ eq $db_name } $self->_system_databases;
+ }
+
+ $self->db_schema({});
+
+ DB: foreach my $db (@dbs) {
+ if (not ((ref $owners eq 'ARRAY' && $owners->[0] eq '%') || $owners eq '%')) {
+ my @owners;
+
+ my @db_owners = try {
+ $self->_owners($db);
+ }
+ catch {
+ if (/without logging/) {
+ warn
+"Database '$db' is unreferencable due to lack of logging.\n";
+ }
+ return ();
+ };
+
+ foreach my $owner (@$owners) {
+ push @owners, $owner
+ if any { $_ eq $owner } @db_owners;
+ }
+
+ next DB unless @owners;
+
+ $self->db_schema->{$db} = \@owners;
+ }
+ else {
+ # for post-processing below
+ $self->db_schema->{$db} = '%';
+ }
+ }
+
+ $self->qualify_objects(1);
+ }
+ else {
+ if ($db ne $current_db) {
+ $self->qualify_objects(1);
+ }
+ }
+ }
+ else {
+ $self->qualify_objects(1);
+ }
+ }
+ elsif (ref $self->db_schema eq 'ARRAY' || (not defined $self->db_schema)) {
+ my $owners = $self->db_schema;
+ $owners ||= [ $self->dbh->selectrow_array(<<'EOF') ];
+SELECT rtrim(username)
+FROM sysmaster:syssessions
+WHERE sid = DBINFO('sessionid')
+EOF
+
+ $self->qualify_objects(1) if @$owners > 1;
+
+ $self->db_schema({ $current_db => $owners });
+ }
+
+ DB: foreach my $db (keys %{ $self->db_schema }) {
+ if ($self->db_schema->{$db} eq '%') {
+ my @db_owners = try {
+ $self->_owners($db);
+ }
+ catch {
+ if (/without logging/) {
+ warn
+"Database '$db' is unreferencable due to lack of logging.\n";
+ }
+ return ();
+ };
+
+ if (not @db_owners) {
+ delete $self->db_schema->{$db};
+ next DB;
+ }
+
+ $self->db_schema->{$db} = \@db_owners;
+
+ $self->qualify_objects(1);
+ }
+ }
}
sub _tables_list {
my ($self, $opts) = @_;
- my $dbh = $self->schema->storage->dbh;
- my $sth = $dbh->prepare(<<'EOF');
-select tabname from systables t
-where t.owner <> 'informix' and t.owner <> '' and t.tabname <> ' VERSION'
+ my @tables;
+
+ while (my ($db, $owners) = each %{ $self->db_schema }) {
+ foreach my $owner (@$owners) {
+ my $table_names = $self->dbh->selectcol_arrayref(<<"EOF", {}, $owner);
+select tabname
+FROM ${db}:informix.systables
+WHERE rtrim(owner) = ?
EOF
- $sth->execute;
- my @tables = map @$_, @{ $sth->fetchall_arrayref };
+ TABLE: foreach my $table_name (@$table_names) {
+ next if $table_name =~ /^\s/;
+
+ push @tables, DBIx::Class::Schema::Loader::Table::Informix->new(
+ loader => $self,
+ name => $table_name,
+ database => $db,
+ schema => $owner,
+ );
+ }
+ }
+ }
return $self->_filter_tables(\@tables, $opts);
}
sub _constraints_for {
my ($self, $table, $type) = @_;
- my $dbh = $self->schema->storage->dbh;
- local $dbh->{FetchHashKeyName} = 'NAME_lc';
+ local $self->dbh->{FetchHashKeyName} = 'NAME_lc';
- my $sth = $dbh->prepare(<<'EOF');
-select c.constrname, i.*
-from sysconstraints c
-join systables t on t.tabid = c.tabid
-join sysindexes i on c.idxname = i.idxname
-where t.tabname = ? and c.constrtype = ?
+ my $db = $table->database;
+
+ my $sth = $self->dbh->prepare(<<"EOF");
+SELECT c.constrname, i.*
+FROM ${db}:informix.sysconstraints c
+JOIN ${db}:informix.systables t
+ ON t.tabid = c.tabid
+JOIN ${db}:informix.sysindexes i
+ ON c.idxname = i.idxname
+WHERE t.tabname = ? and c.constrtype = ?
EOF
$sth->execute($table, $type);
my $indexes = $sth->fetchall_hashref('constrname');
sub _idx_colnames {
my ($self, $idx_info, $table_cols_by_colno) = @_;
- return [ map $self->_lc($table_cols_by_colno->{$_}), grep $_, map $idx_info->{$_}, map "part$_", (1..16) ];
+ return [ map $table_cols_by_colno->{$_}, grep $_, map $idx_info->{$_}, map "part$_", (1..16) ];
}
sub _colnames_by_colno {
my ($self, $table) = @_;
- my $dbh = $self->schema->storage->dbh;
- local $dbh->{FetchHashKeyName} = 'NAME_lc';
+ local $self->dbh->{FetchHashKeyName} = 'NAME_lc';
+
+ my $db = $table->database;
- my $sth = $dbh->prepare(<<'EOF');
-select c.colname, c.colno
-from syscolumns c
-join systables t on c.tabid = t.tabid
-where t.tabname = ?
+ my $sth = $self->dbh->prepare(<<"EOF");
+SELECT c.colname, c.colno
+FROM ${db}:informix.syscolumns c
+JOIN ${db}:informix.systables t
+ ON c.tabid = t.tabid
+WHERE t.tabname = ?
EOF
$sth->execute($table);
my $cols = $sth->fetchall_hashref('colno');
- $cols = { map +($_, $cols->{$_}{colname}), keys %$cols };
+ $cols = { map +($_, $self->_lc($cols->{$_}{colname})), keys %$cols };
return $cols;
}
my $local_columns = $self->_constraints_for($table, 'R');
- my $dbh = $self->schema->storage->dbh;
- local $dbh->{FetchHashKeyName} = 'NAME_lc';
-
- my $sth = $dbh->prepare(<<'EOF');
-select c.constrname local_constraint, rt.tabname remote_table, rc.constrname remote_constraint, ri.*
-from sysconstraints c
-join systables t on c.tabid = t.tabid
-join sysreferences r on c.constrid = r.constrid
-join sysconstraints rc on rc.constrid = r.primary
-join systables rt on r.ptabid = rt.tabid
-join sysindexes ri on rc.idxname = ri.idxname
-where t.tabname = ? and c.constrtype = 'R'
+ local $self->dbh->{FetchHashKeyName} = 'NAME_lc';
+
+ my $db = $table->database;
+
+ my $sth = $self->dbh->prepare(<<"EOF");
+SELECT c.constrname local_constraint, rt.tabname remote_table, rtrim(rt.owner) remote_owner, rc.constrname remote_constraint, ri.*
+FROM ${db}:informix.sysconstraints c
+JOIN ${db}:informix.systables t
+ ON c.tabid = t.tabid
+JOIN ${db}:informix.sysreferences r
+ ON c.constrid = r.constrid
+JOIN ${db}:informix.sysconstraints rc
+ ON rc.constrid = r.primary
+JOIN ${db}:informix.systables rt
+ ON r.ptabid = rt.tabid
+JOIN ${db}:informix.sysindexes ri
+ ON rc.idxname = ri.idxname
+WHERE t.tabname = ? and c.constrtype = 'R'
EOF
$sth->execute($table);
my $remotes = $sth->fetchall_hashref('local_constraint');
my @rels;
while (my ($local_constraint, $remote_info) = each %$remotes) {
+ my $remote_table = DBIx::Class::Schema::Loader::Table::Informix->new(
+ loader => $self,
+ name => $remote_info->{remote_table},
+ database => $db,
+ schema => $remote_info->{remote_owner},
+ );
+
push @rels, {
- local_columns => $local_columns->{$local_constraint},
- remote_columns => $self->_idx_colnames($remote_info, $self->_colnames_by_colno($remote_info->{remote_table})),
- remote_table => $remote_info->{remote_table},
+ local_columns => $local_columns->{$local_constraint},
+ remote_columns => $self->_idx_colnames($remote_info, $self->_colnames_by_colno($remote_table)),
+ remote_table => $remote_table,
};
}
return \@rels;
}
+# This is directly from http://www.ibm.com/developerworks/data/zones/informix/library/techarticle/0305parker/0305parker.html
+# it doesn't work at all
+sub _informix_datetime_precision {
+ my @date_type = qw/DUMMY year month day hour minute second fraction(1) fraction(2) fraction(3) fraction(4) fraction(5)/;
+ my @start_end = ( [], [1,5],[5,7],[7,9],[9,11],[11,13],[13,15],[15,16], [16,17], [17,18], [18,19], [19,20] );
+
+ my ($self, $collength) = @_;
+
+ my $i = ($collength % 16) + 1;
+ my $j = int(($collength % 256) / 16) + 1;
+ my $k = int($collength / 256);
+
+ my $len = $start_end[$i][1] - $start_end[$j][0];
+ $len = $k - $len;
+
+ if ($len == 0 || $j > 11) {
+ return $date_type[$j] . ' to ' . $date_type[$i];
+ }
+
+ $k = $start_end[$j][1] - $start_end[$j][0];
+ $k += $len;
+
+ return $date_type[$j] . "($k) to " . $date_type[$i];
+}
+
sub _columns_info_for {
my $self = shift;
my ($table) = @_;
my $result = $self->next::method(@_);
- my $dbh = $self->schema->storage->dbh;
- local $dbh->{FetchHashKeyName} = 'NAME_lc';
+ my $db = $table->database;
- my $sth = $dbh->prepare(<<'EOF');
-select c.colname, c.coltype, d.type deflt_type, d.default deflt
-from syscolumns c
-join systables t on c.tabid = t.tabid
-left join sysdefaults d on t.tabid = d.tabid and c.colno = d.colno
-where t.tabname = ?
+ my $sth = $self->dbh->prepare(<<"EOF");
+SELECT c.colname, c.coltype, c.collength, c.colmin, d.type deflt_type, d.default deflt
+FROM ${db}:informix.syscolumns c
+JOIN ${db}:informix.systables t
+ ON c.tabid = t.tabid
+LEFT JOIN ${db}:informix.sysdefaults d
+ ON t.tabid = d.tabid AND c.colno = d.colno
+WHERE t.tabname = ?
EOF
$sth->execute($table);
my $cols = $sth->fetchall_hashref('colname');
$sth->finish;
while (my ($col, $info) = each %$cols) {
+ $col = $self->_lc($col);
+
my $type = $info->{coltype} % 256;
if ($type == 6) { # SERIAL
$result->{$col}{is_auto_increment} = 1;
}
+ elsif ($type == 7) {
+ $result->{$col}{data_type} = 'date';
+ }
+ elsif ($type == 10) {
+ $result->{$col}{data_type} = 'datetime year to fraction(5)';
+ # this doesn't work yet
+# $result->{$col}{data_type} = 'datetime ' . $self->_informix_datetime_precision($info->{collength});
+ }
+ elsif ($type == 17 || $type == 52) {
+ $result->{$col}{data_type} = 'bigint';
+ }
+ elsif ($type == 40) {
+ $result->{$col}{data_type} = 'lvarchar';
+ $result->{$col}{size} = $info->{collength};
+ }
+ elsif ($type == 12) {
+ $result->{$col}{data_type} = 'text';
+ }
+ elsif ($type == 11) {
+ $result->{$col}{data_type} = 'bytea';
+ $result->{$col}{original}{data_type} = 'byte';
+ }
+ elsif ($type == 41) {
+ # XXX no way to distinguish opaque types boolean, blob and clob
+ $result->{$col}{data_type} = 'blob' unless $result->{$col}{data_type} eq 'smallint';
+ }
+ elsif ($type == 21) {
+ $result->{$col}{data_type} = 'list';
+ }
+ elsif ($type == 20) {
+ $result->{$col}{data_type} = 'multiset';
+ }
+ elsif ($type == 19) {
+ $result->{$col}{data_type} = 'set';
+ }
+ elsif ($type == 15) {
+ $result->{$col}{data_type} = 'nchar';
+ }
+ elsif ($type == 16) {
+ $result->{$col}{data_type} = 'nvarchar';
+ }
+ # XXX untested!
+ elsif ($info->{coltype} == 2061) {
+ $result->{$col}{data_type} = 'idssecuritylabel';
+ }
+
+ my $data_type = $result->{$col}{data_type};
+
+ if ($data_type !~ /^(?:[nl]?(?:var)?char|decimal)\z/i) {
+ delete $result->{$col}{size};
+ }
+
+ if (lc($data_type) eq 'decimal') {
+ no warnings 'uninitialized';
- if (looks_like_number $result->{$col}{data_type}) {
- if ($type == 7) {
- $result->{$col}{data_type} = 'date';
+ $result->{$col}{data_type} = 'numeric';
+
+ my @size = @{ $result->{$col}{size} || [] };
+
+ if ($size[0] == 16 && $size[1] == -4) {
+ delete $result->{$col}{size};
}
- elsif ($type == 10) {
- $result->{$col}{data_type} = 'datetime';
+ elsif ($size[0] == 16 && $size[1] == 2) {
+ $result->{$col}{data_type} = 'money';
+ delete $result->{$col}{size};
}
}
+ elsif (lc($data_type) eq 'smallfloat') {
+ $result->{$col}{data_type} = 'real';
+ }
+ elsif (lc($data_type) eq 'float') {
+ $result->{$col}{data_type} = 'double precision';
+ }
+ elsif ($data_type =~ /^n?(?:var)?char\z/i) {
+ $result->{$col}{size} = $result->{$col}{size}[0];
+ }
+ # XXX colmin doesn't work for min size of varchar columns, it's NULL
+# if (lc($data_type) eq 'varchar') {
+# $result->{$col}{size}[1] = $info->{colmin};
+# }
+
my ($default_type, $default) = @{$info}{qw/deflt_type deflt/};
next unless $default_type;
if ($default_type eq 'C') {
- my $current = 'CURRENT YEAR TO FRACTION(5)';
+ my $current = 'current year to fraction(5)';
$result->{$col}{default_value} = \$current;
}
elsif ($default_type eq 'T') {
- my $today = 'TODAY';
+ my $today = 'today';
$result->{$col}{default_value} = \$today;
}
else {