my ( $schema, $table ) = $source_name =~ /( (?:${ql})? \w+ (?:${qr})? ) \. ( (?:${ql})? \w+ (?:${qr})? )/x;
# if no explicit schema was requested - use the default schema (which in the case of Oracle is the db user)
- $schema ||= uc( ($self->_dbi_connect_info||[])->[1] || '');
+ $schema ||= \'= USER';
my ($sql, @bind) = $sql_maker->select (
'ALL_TRIGGERS',
[qw/TRIGGER_BODY TABLE_OWNER TRIGGER_NAME/],
{
- $schema ? (OWNER => $schema) : (),
+ OWNER => $schema,
TABLE_NAME => $table || $source_name,
TRIGGERING_EVENT => { -like => '%INSERT%' }, # this will also catch insert_or_update
TRIGGER_TYPE => { -like => '%BEFORE%' }, # we care only about 'before' triggers
# to find all the triggers that mention the column in question a simple
# regex grep since the trigger_body above is a LONG and hence not searchable
+ # via -like
my @triggers = ( map
{ my %inf; @inf{qw/body schema name/} = @$_; \%inf }
( grep
)
);
- # extract all sequence names mentioned in each trigger
- for (@triggers) {
- $_->{sequences} = [ $_->{body} =~ / ( "? [\.\w\"\-]+ "? ) \. nextval /xig ];
- }
+ # extract all sequence names mentioned in each trigger, throw away
+ # triggers without apparent sequences
+ @triggers = map {
+ my @seqs = $_->{body} =~ / ( [\.\w\"\-]+ ) \. nextval /xig;
+ @seqs
+ ? { %$_, sequences => \@seqs }
+ : ()
+ ;
+ } @triggers;
my $chosen_trigger;
my ( $self, $type, $seq ) = @_;
# use the maker to leverage quoting settings
- my $sql_maker = $self->sql_maker;
- my ($id) = $self->_get_dbh->selectrow_array ($sql_maker->select('DUAL', [ ref $seq ? \"$$seq.$type" : "$seq.$type" ] ) );
+ my $sth = $self->_dbh->prepare_cached(
+ $self->sql_maker->select('DUAL', [ ref $seq ? \"$$seq.$type" : "$seq.$type" ] )
+ );
+ $sth->execute;
+ my ($id) = $sth->fetchrow_array;
+ $sth->finish;
return $id;
}
$attrs;
}
-my $dbd_loaded;
sub bind_attribute_by_data_type {
my ($self, $dt) = @_;
- $dbd_loaded ||= do {
- require DBD::Oracle;
- if ($DBD::Oracle::VERSION eq '1.23') {
- $self->throw_exception(
- "BLOB/CLOB support in DBD::Oracle == 1.23 is broken, use an earlier or later ".
- "version.\n\nSee: https://rt.cpan.org/Public/Bug/Display.html?id=46016\n"
- );
+ if ($self->_is_lob_type($dt)) {
+
+ # this is a hot-ish codepath, store an escape-flag in the DBD namespace, so that
+ # things like Class::Unload work (unlikely but possible)
+ unless ($DBD::Oracle::__DBIC_DBD_VERSION_CHECK_OK__) {
+
+ # no earlier - no later
+ if ($DBD::Oracle::VERSION eq '1.23') {
+ $self->throw_exception(
+ "BLOB/CLOB support in DBD::Oracle == 1.23 is broken, use an earlier or later ".
+ "version (https://rt.cpan.org/Public/Bug/Display.html?id=46016)"
+ );
+ }
+
+ $DBD::Oracle::__DBIC_DBD_VERSION_CHECK_OK__ = 1;
}
- 1;
- };
- if ($self->_is_lob_type($dt)) {
return {
ora_type => $self->_is_text_lob_type($dt)
? DBD::Oracle::ORA_CLOB()
: DBD::Oracle::ORA_BLOB()
};
}
+ else {
+ return undef;
+ }
}
# Handle blob columns in WHERE.
my $self = shift;
my ($op) = @_;
- my ($sql, $bind) = $self->next::method(@_);
+ return $self->next::method(@_)
+ if $op eq 'insert';
- return ($sql, $bind) if $op eq 'insert';
+ my ($sql, $bind) = $self->next::method(@_);
- my $blob_bind_index;
- for (0 .. $#$bind) {
- $blob_bind_index->{$_} = 1 if $self->_is_lob_type(
+ my $lob_bind_indices = { map {
+ (
$bind->[$_][0]{sqlt_datatype}
- );
- }
-
- return ($sql, $bind) unless $blob_bind_index;
+ and
+ $self->_is_lob_type($bind->[$_][0]{sqlt_datatype})
+ ) ? ( $_ => 1 ) : ()
+ } ( 0 .. $#$bind ) };
- my (@sql_parts, $new_sql, @new_binds);
+ return ($sql, $bind) unless %$lob_bind_indices;
- if ($op eq 'select' || $op eq 'delete') {
- @sql_parts = split /\?/, $sql;
- }
- elsif ($op eq 'update') {
+ my ($final_sql, @final_binds);
+ if ($op eq 'update') {
$self->throw_exception('Update with complex WHERE clauses currently not supported')
if $sql =~ /\bWHERE\b .+ \bWHERE\b/xs;
- my ($set_part, $where_part) = $sql =~ /^ (.+?) ( \bWHERE\b .+) /xs;
+ my $where_sql;
+ ($final_sql, $where_sql) = $sql =~ /^ (.+?) ( \bWHERE\b .+) /xs;
+
+ if (my $set_bind_count = $final_sql =~ y/?//) {
- my $set_bind_count = $set_part =~ y/?//;
- @new_binds = splice @$bind, 0, $set_bind_count;
+ delete $lob_bind_indices->{$_} for (0 .. ($set_bind_count - 1));
- @sql_parts = split /\?/, $where_part;
- $new_sql = $set_part;
+ # bail if only the update part contains blobs
+ return ($sql, $bind) unless %$lob_bind_indices;
+
+ @final_binds = splice @$bind, 0, $set_bind_count;
+ $lob_bind_indices = { map
+ { $_ - $set_bind_count => $lob_bind_indices->{$_} }
+ keys %$lob_bind_indices
+ };
+ }
+
+ # if we got that far - assume the where SQL is all we got
+ # (the first part is already shoved into $final_sql)
+ $sql = $where_sql;
}
- else {
+ elsif ($op ne 'select' and $op ne 'delete') {
$self->throw_exception("Unsupported \$op: $op");
}
+ my @sql_parts = split /\?/, $sql;
+
my $col_equality_re = qr/ (?<=\s) ([\w."]+) (\s*=\s*) $/x;
for my $b_idx (0 .. $#$bind) {
my $bound = $bind->[$b_idx];
- if ($blob_bind_index->{$b_idx}) {
- if (my ($col, $eq) = $sql_parts[0] =~ $col_equality_re) {
- my $data = $bound->[1];
+ if (
+ $lob_bind_indices->{$b_idx}
+ and
+ my ($col, $eq) = $sql_parts[0] =~ $col_equality_re
+ ) {
+ my $data = $bound->[1];
- $data = "$data" if ref $data;
+ $data = "$data" if ref $data;
- my @parts = unpack '(a2000)*', $data;
+ my @parts = unpack '(a2000)*', $data;
- my @sql_frag;
+ my @sql_frag;
- for my $idx (0..$#parts) {
- push @sql_frag, sprintf (
- 'UTL_RAW.CAST_TO_VARCHAR2(RAWTOHEX(DBMS_LOB.SUBSTR(%s, 2000, %d))) = ?',
- $col, ($idx*2000 + 1),
- );
- }
+ for my $idx (0..$#parts) {
+ push @sql_frag, sprintf (
+ 'UTL_RAW.CAST_TO_VARCHAR2(RAWTOHEX(DBMS_LOB.SUBSTR(%s, 2000, %d))) = ?',
+ $col, ($idx*2000 + 1),
+ );
+ }
- my $sql_frag = '( ' . (join ' AND ', @sql_frag) . ' )';
+ my $sql_frag = '( ' . (join ' AND ', @sql_frag) . ' )';
- $sql_parts[0] =~ s/$col_equality_re/$sql_frag/;
+ $sql_parts[0] =~ s/$col_equality_re/$sql_frag/;
- $new_sql .= shift @sql_parts;
+ $final_sql .= shift @sql_parts;
- for my $idx (0..$#parts) {
- push @new_binds, [
- {
- %{ $bound->[0] },
- _ora_lob_autosplit_part => $idx,
- dbd_attrs => undef,
- },
- $parts[$idx]
- ];
- }
- }
- else {
- $new_sql .= shift(@sql_parts) . '?';
-
- push @new_binds, [
+ for my $idx (0..$#parts) {
+ push @final_binds, [
{
%{ $bound->[0] },
+ _ora_lob_autosplit_part => $idx,
dbd_attrs => undef,
},
- $bound->[1],
+ $parts[$idx]
];
}
}
else {
- $new_sql .= shift(@sql_parts) . '?';
- push @new_binds, $bound;
+ $final_sql .= shift(@sql_parts) . '?';
+ push @final_binds, $lob_bind_indices->{$b_idx}
+ ? [
+ {
+ %{ $bound->[0] },
+ dbd_attrs => undef,
+ },
+ $bound->[1],
+ ] : $bound
+ ;
}
}
@sql_parts = join ('?', @sql_parts);
}
- $new_sql .= $sql_parts[0];
+ $final_sql .= $sql_parts[0];
- return ($new_sql, \@new_binds);
+ return ($final_sql, \@final_binds);
}
# Savepoints stuff.
# person me
# CONNECT BY
# parentid = prior persionid
-
+
connect_by_nocycle => { parentid => 'prior personid' }
projects / dbsrgits/DBIx-Class.git / blobdiff