package SQL::Translator::Producer::Oracle;
# -------------------------------------------------------------------
-# $Id: Oracle.pm,v 1.4 2002-11-22 03:03:40 kycl4rk Exp $
+# $Id: Oracle.pm,v 1.5 2002-11-23 01:26:56 kycl4rk Exp $
# -------------------------------------------------------------------
# Copyright (C) 2002 Ken Y. Clark <kclark@cpan.org>,
# darren chamberlain <darren@cpan.org>
# 02111-1307 USA
# -------------------------------------------------------------------
-
use strict;
use vars qw[ $VERSION $DEBUG ];
-$VERSION = sprintf "%d.%02d", q$Revision: 1.4 $ =~ /(\d+)\.(\d+)/;
+$VERSION = sprintf "%d.%02d", q$Revision: 1.5 $ =~ /(\d+)\.(\d+)/;
$DEBUG = 0 unless defined $DEBUG;
my $max_id_length = 30;
my ( $translator, $data ) = @_;
$DEBUG = $translator->debug;
my $no_comments = $translator->no_comments;
-
- #print "got ", scalar keys %$data, " tables:\n";
- #print join(', ', keys %$data), "\n";
- #print Dumper( $data );
-
my $output;
+
unless ( $no_comments ) {
$output .= sprintf
"--\n-- Created by %s\n-- Created on %s\n--\n\n",
#
# Print create for each table
#
- my ( $index_i, $trigger_i ) = ( 1, 1 );
for my $table (
- # sort keys %$data
map { $_->[1] }
sort { $a->[0] <=> $b->[0] }
map { [ $_->{'order'}, $_ ] }
values %{ $data }
) {
- my $table_name = $table->{'table_name'};
-# check_identifier( $table_name );
- $table_name = mk_name( $table_name, '', undef, 1 );
-# my $tablename_ur = unreserve($table_name);
+ my $table_name = $table->{'table_name'};
+ $table_name = mk_name( $table_name, '', undef, 1 );
+ my $table_name_ur = unreserve($table_name);
my ( @comments, @field_decs, @trigger_decs );
- push @comments, "--\n-- Table: $table_name\n--" unless $no_comments;
+ push @comments, "--\n-- Table: $table_name_ur\n--" unless $no_comments;
+ my %field_name_scope;
for my $field (
map { $_->[1] }
sort { $a->[0] <=> $b->[0] }
#
# Field name
#
- my $field_str = check_identifier( $field->{'name'} );
+ my $field_name = mk_name(
+ $field->{'name'}, '', \%field_name_scope, 1
+ );
+ my $field_name_ur = unreserve( $field_name, $table_name );
+ my $field_str = $field_name_ur;
#
# Datatype
#
- my $data_type = $field->{'data_type'};
- $data_type = defined $translate{ $data_type } ?
- $translate{ $data_type } :
- die "Unknown datatype: $data_type\n";
- $field_str .= ' '.$data_type;
- $field_str .= '('.join(',', @{ $field->{'size'} }).')'
- if @{ $field->{'size'} || [] };
+ my $check;
+ my $data_type = lc $field->{'data_type'};
+ my $list = $field->{'list'} || [];
+ my $commalist = join ",", @$list;
+
+ if ( $data_type eq 'enum' ) {
+ my $len = 0;
+ $len = ($len < length($_)) ? length($_) : $len for (@$list);
+ $check = "CHECK ($field_name IN ($commalist))";
+ $field_str .= " varchar2($len)";
+ }
+ elsif ( $data_type eq 'set' ) {
+ # XXX add a CHECK constraint maybe
+ # (trickier and slower, than enum :)
+ my $len = length $commalist;
+ $field_str .= " varchar2($len) /* set $commalist */ ";
+ }
+ else {
+ $data_type = defined $translate{ $data_type } ?
+ $translate{ $data_type } :
+ die "Unknown datatype: $data_type\n";
+ $field_str .= ' '.$data_type;
+ $field_str .= '('.join(',', @{ $field->{'size'} }).')'
+ if @{ $field->{'size'} || [] };
+ }
#
# Default value
#
if ( $field->{'default'} ) {
- # next if $field->{'default'} eq 'NULL';
$field_str .= sprintf(
' DEFAULT %s',
$field->{'default'} =~ m/null/i ? 'NULL' :
# Not null constraint
#
unless ( $field->{'null'} ) {
- my $constraint_name = make_identifier($field->{'name'}, '_nn');
+ my $constraint_name = mk_name($field_name_ur, 'nn');
$field_str .= ' CONSTRAINT ' . $constraint_name . ' NOT NULL';
}
+ $field_str .= " $check" if $check;
+
#
# Auto_increment
#
if ( $field->{'is_auto_inc'} ) {
- my $trigger_no = $trigger_i++;
- my $trigger_sequence =
- join( '_', 'seq' , $field->{'name'}, $trigger_no );
- my $trigger_name =
- join( '_', 'autoinc', $field->{'name'}, $trigger_no );
+ my $base_name = $table_name . "_". $field_name;
+ my $seq_name = mk_name( $base_name, 'sq' );
+ my $trigger_name = mk_name( $base_name, 'ai' );
push @trigger_decs,
- "CREATE SEQUENCE $trigger_sequence;\n" .
+ "CREATE SEQUENCE $seq_name;\n" .
"CREATE OR REPLACE TRIGGER $trigger_name\n" .
"BEFORE INSERT ON $table_name\n" .
- "FOR EACH ROW WHEN (new.".$field->{'name'}." is null)\n".
+ "FOR EACH ROW WHEN (\n" .
+ " new.$field_name_ur IS NULL".
+ " OR new.$field_name_ur = 0\n".
+ ")\n".
"BEGIN\n" .
- " SELECT $trigger_sequence.nextval\n" .
+ " SELECT $seq_name.nextval\n" .
" INTO :new." . $field->{'name'}."\n" .
" FROM dual;\n" .
- " END $trigger_name;/"
+ "END;\n/";
;
}
+ if ( uc $field->{'data_type'} eq 'TIMESTAMP' ) {
+ my $base_name = $table_name . "_". $field_name_ur;
+ my $trig_name = mk_name($base_name,'ts');
+ push @trigger_decs,
+ "CREATE OR REPLACE TRIGGER $trig_name\n".
+ "BEFORE INSERT OR UPDATE ON $table_name_ur\n".
+ "FOR EACH ROW WHEN (new.$field_name_ur} IS NULL)\n".
+ "BEGIN \n".
+ " SELECT sysdate INTO :new.$field_name_ur} FROM dual;\n".
+ "END;\n/";
+ }
+
push @field_decs, $field_str;
}
# Index Declarations
#
my @index_decs = ();
+ my $idx_name_default;
for my $index ( @{ $table->{'indices'} } ) {
my $index_name = $index->{'name'} || '';
my $index_type = $index->{'type'} || 'normal';
- my @fields = @{ $index->{'fields'} } or next;
+ my @fields = map { unreserve( $_, $table_name ) }
+ @{ $index->{'fields'} };
+ next unless @fields;
if ( $index_type eq 'primary_key' ) {
- if ( !$index_name ) {
- $index_name = make_identifier( $table_name, 'i_', '_pk' );
- }
- elsif ( $index_name !~ m/^i_/ ) {
- $index_name = make_identifier( $table_name, 'i_' );
- }
- elsif ( $index_name !~ m/_pk$/ ) {
- $index_name = make_identifier( $table_name, '_pk' );
- }
- else {
- $index_name = make_identifier( $index_name );
- }
-
- push @field_decs, 'CONSTRAINT ' . $index_name . ' PRIMARY KEY ' .
+ $index_name = mk_name( $table_name, 'pk' );
+ push @field_decs, 'CONSTRAINT '.$index_name.' PRIMARY KEY '.
'(' . join( ', ', @fields ) . ')';
}
-
elsif ( $index_type eq 'unique' ) {
- if ( !$index_name ) {
- $index_name = make_identifier( join( '_', @fields ), 'u_' );
- }
- elsif ( $index_name !~ m/^u_/ ) {
- $index_name = make_identifier( $index_name, 'u_' );
- }
- else {
- $index_name = make_identifier( $index_name );
- }
-
+ $index_name = mk_name(
+ $table_name, $index_name || ++$idx_name_default
+ );
push @field_decs, 'CONSTRAINT ' . $index_name . ' UNIQUE ' .
'(' . join( ', ', @fields ) . ')';
}
elsif ( $index_type eq 'normal' ) {
- if ( !$index_name ) {
- $index_name =
- make_identifier($table_name, 'i_', '_'.$index_i++ );
- }
- elsif ( $index_name !~ m/^i_/ ) {
- $index_name = make_identifier( $index_name, 'i_' );
- }
- else {
- $index_name = make_identifier( $index_name );
- }
-
+ $index_name = mk_name(
+ $table_name, $index_name || ++$idx_name_default
+ );
push @index_decs, "CREATE INDEX $index_name on $table_name (".
- join( ', ', @{ $index->{'fields'} } ).
- ");"
- ;
+ join( ', ', @fields ). ");";
}
-
else {
- warn "On table $table_name, unknown index type: $index_type\n";
+ warn "Unknown index type ($index_type) on table $table_name.\n";
}
}
- my $create_statement = "CREATE TABLE $table_name (\n".
+ my $create_statement = "CREATE TABLE $table_name_ur (\n".
join( ",\n", map { " $_" } @field_decs ).
- "\n);"
+ "\n);"
;
$output .= join( "\n\n",
return $output;
}
-#
-# Used to make index names
-#
-sub make_identifier {
- my ( $identifier, @mutations ) = @_;
- my $length_of_mutations;
- for my $mutation ( @mutations ) {
- $length_of_mutations += length( $mutation );
- }
-
- if (
- length( $identifier ) + $length_of_mutations >
- $max_id_length
- ) {
- $identifier = substr(
- $identifier,
- 0,
- $max_id_length - $length_of_mutations
- );
- }
-
- for my $mutation ( @mutations ) {
- if ( $mutation =~ m/.+_$/ ) {
- $identifier = $mutation.$identifier;
- }
- elsif ( $mutation =~ m/^_.+/ ) {
- $identifier = $identifier.$mutation;
- }
- }
-
- if ( $used_identifiers{ $identifier } ) {
- my $index = 1;
- if ( $identifier =~ m/_(\d+)$/ ) {
- $index = $1;
- $identifier = substr(
- $identifier,
- 0,
- length( $identifier ) - ( length( $index ) + 1 )
- );
- }
- $index++;
- return make_identifier( $identifier, '_'.$index );
- }
-
- $used_identifiers{ $identifier } = 1;
-
- return $identifier;
-}
-
-#
-# Checks to see if an identifier is not too long
-#
-sub check_identifier {
- my $identifier = shift;
- die "Identifier '$identifier' is too long, unrecoverable error.\n"
- if length( $identifier ) > $max_id_length;
- return $identifier;
-}
-
# -------------------------------------------------------------------
sub mk_name {
my ($basename, $type, $scope, $critical) = @_;
perl(1).
=cut
+
+__END__
+!!!!!Code Graveyard!!!!!
+#
+# Used to make index names
+#
+sub make_identifier {
+ my ( $identifier, @mutations ) = @_;
+ my $length_of_mutations;
+ for my $mutation ( @mutations ) {
+ $length_of_mutations += length( $mutation );
+ }
+
+ if (
+ length( $identifier ) + $length_of_mutations >
+ $max_id_length
+ ) {
+ $identifier = substr(
+ $identifier,
+ 0,
+ $max_id_length - $length_of_mutations
+ );
+ }
+
+ for my $mutation ( @mutations ) {
+ if ( $mutation =~ m/.+_$/ ) {
+ $identifier = $mutation.$identifier;
+ }
+ elsif ( $mutation =~ m/^_.+/ ) {
+ $identifier = $identifier.$mutation;
+ }
+ }
+
+ if ( $used_identifiers{ $identifier } ) {
+ my $index = 1;
+ if ( $identifier =~ m/_(\d+)$/ ) {
+ $index = $1;
+ $identifier = substr(
+ $identifier,
+ 0,
+ length( $identifier ) - ( length( $index ) + 1 )
+ );
+ }
+ $index++;
+ return make_identifier( $identifier, '_'.$index );
+ }
+
+ $used_identifiers{ $identifier } = 1;
+
+ return $identifier;
+}
+
+#
+# Checks to see if an identifier is not too long
+#
+sub check_identifier {
+ my $identifier = shift;
+ die "Identifier '$identifier' is too long, unrecoverable error.\n"
+ if length( $identifier ) > $max_id_length;
+ return $identifier;
+}
+
projects / dbsrgits/SQL-Translator.git / commitdiff