package SQL::Translator::Producer::Oracle;
-# -------------------------------------------------------------------
-# $Id: Oracle.pm,v 1.34 2005-08-10 16:33:39 duality72 Exp $
-# -------------------------------------------------------------------
-# Copyright (C) 2002-4 SQLFairy Authors
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; version 2.
-#
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-# 02111-1307 USA
-# -------------------------------------------------------------------
-
=head1 NAME
SQL::Translator::Producer::Oracle - Oracle SQL producer
This option remove the primary key and other key constraints from the
CREATE TABLE statement and adds ALTER TABLEs at the end with it.
+=item quote_field_names
+
+Controls whether quotes are being used around column names in generated DDL.
+
+=item quote_table_names
+
+Controls whether quotes are being used around table, sequence and trigger names in
+generated DDL.
+
=back
+=head1 NOTES
+
+=head2 Autoincremental primary keys
+
+This producer uses sequences and triggers to autoincrement primary key
+columns, if necessary. SQLPlus and DBI expect a slightly different syntax
+of CREATE TRIGGER statement. You might have noticed that this
+producer returns a scalar containing all statements concatenated by
+newlines or an array of single statements depending on the context
+(scalar, array) it has been called in.
+
+SQLPlus expects following trigger syntax:
+
+ CREATE OR REPLACE TRIGGER ai_person_id
+ BEFORE INSERT ON person
+ FOR EACH ROW WHEN (
+ new.id IS NULL OR new.id = 0
+ )
+ BEGIN
+ SELECT sq_person_id.nextval
+ INTO :new.id
+ FROM dual;
+ END;
+ /
+
+Whereas if you want to create the same trigger using L<DBI/do>, you need
+to omit the last slash:
+
+ my $dbh = DBI->connect('dbi:Oracle:mysid', 'scott', 'tiger');
+ $dbh->do("
+ CREATE OR REPLACE TRIGGER ai_person_id
+ BEFORE INSERT ON person
+ FOR EACH ROW WHEN (
+ new.id IS NULL OR new.id = 0
+ )
+ BEGIN
+ SELECT sq_person_id.nextval
+ INTO :new.id
+ FROM dual;
+ END;
+ ");
+
+If you call this producer in array context, we expect you want to process
+the returned array of statements using L<DBI> like
+L<DBIx::Class::Schema/deploy> does.
+
+To get this working we removed the slash in those statements in version
+0.09002 of L<SQL::Translator> when called in array context. In scalar
+context the slash will be still there to ensure compatibility with SQLPlus.
+
=cut
use strict;
-use vars qw[ $VERSION $DEBUG $WARN ];
-$VERSION = sprintf "%d.%02d", q$Revision: 1.34 $ =~ /(\d+)\.(\d+)/;
+use warnings;
+our ( $DEBUG, $WARN );
+our $VERSION = '1.59';
$DEBUG = 0 unless defined $DEBUG;
use SQL::Translator::Schema::Constants;
# MySQL types
#
bigint => 'number',
- double => 'number',
+ double => 'float',
decimal => 'number',
- float => 'number',
+ float => 'float',
int => 'number',
integer => 'number',
mediumint => 'number',
);
#
-# Oracle reserved words from:
-# http://technet.oracle.com/docs/products/oracle8i/doc_library/\
-# 817_doc/server.817/a85397/ap_keywd.htm
+# Oracle 8/9 max size of data types from:
+# http://www.ss64.com/orasyntax/datatypes.html
#
-my %ora_reserved = map { $_, 1 } qw(
- ACCESS ADD ALL ALTER AND ANY AS ASC AUDIT
- BETWEEN BY
- CHAR CHECK CLUSTER COLUMN COMMENT COMPRESS CONNECT CREATE CURRENT
- DATE DECIMAL DEFAULT DELETE DESC DISTINCT DROP
- ELSE EXCLUSIVE EXISTS
- FILE FLOAT FOR FROM
- GRANT GROUP
- HAVING
- IDENTIFIED IMMEDIATE IN INCREMENT INDEX INITIAL INSERT
- INTEGER INTERSECT INTO IS
- LEVEL LIKE LOCK LONG
- MAXEXTENTS MINUS MLSLABEL MODE MODIFY
- NOAUDIT NOCOMPRESS NOT NOWAIT NULL NUMBER
- OF OFFLINE ON ONLINE OPTION OR ORDER
- PCTFREE PRIOR PRIVILEGES PUBLIC
- RAW RENAME RESOURCE REVOKE ROW ROWID ROWNUM ROWS
- SELECT SESSION SET SHARE SIZE SMALLINT START
- SUCCESSFUL SYNONYM SYSDATE
- TABLE THEN TO TRIGGER
- UID UNION UNIQUE UPDATE USER
- VALIDATE VALUES VARCHAR VARCHAR2 VIEW
- WHENEVER WHERE WITH
+my %max_size = (
+ char => 2000,
+ float => 126,
+ nchar => 2000,
+ nvarchar2 => 4000,
+ number => [ 38, 127 ],
+ raw => 2000,
+ varchar => 4000, # only synonym for varchar2
+ varchar2 => 4000,
);
my $max_id_length = 30;
my %used_identifiers = ();
my %global_names;
-my %unreserve;
my %truncated;
-# -------------------------------------------------------------------
+# Quote used to escape table, field, sequence and trigger names
+my $quote_char = '"';
+
sub produce {
my $translator = shift;
$DEBUG = $translator->debug;
my $no_comments = $translator->no_comments;
my $add_drop_table = $translator->add_drop_table;
my $schema = $translator->schema;
+ my $oracle_version = $translator->producer_args->{oracle_version} || 0;
my $delay_constraints = $translator->producer_args->{delay_constraints};
my ($output, $create, @table_defs, @fk_defs, @trigger_defs, @index_defs, @constraint_defs);
$create .= header_comment unless ($no_comments);
+ my $qt = 1 if $translator->quote_table_names;
+ my $qf = 1 if $translator->quote_field_names;
if ( $translator->parser_type =~ /mysql/i ) {
- $create .=
+ $create .=
"-- We assume that default NLS_DATE_FORMAT has been changed\n".
"-- but we set it here anyway to be self-consistent.\n"
unless $no_comments;
- $create .=
+ $create .=
"ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY-MM-DD HH24:MI:SS';\n\n";
}
- for my $table ( $schema->get_tables ) {
- my ( $table_def, $fk_def, $trigger_def, $index_def, $constraint_def) = create_table(
+ for my $table ( $schema->get_tables ) {
+ my ( $table_def, $fk_def, $trigger_def, $index_def, $constraint_def ) = create_table(
$table,
{
- add_drop_table => $add_drop_table,
- show_warnings => $WARN,
- no_comments => $no_comments,
- delay_constraints => $delay_constraints
+ add_drop_table => $add_drop_table,
+ show_warnings => $WARN,
+ no_comments => $no_comments,
+ delay_constraints => $delay_constraints,
+ quote_table_names => $qt,
+ quote_field_names => $qf,
}
);
push @table_defs, @$table_def;
my (@view_defs);
foreach my $view ( $schema->get_views ) {
- push @view_defs, create_view($view);
+ my ( $view_def ) = create_view(
+ $view,
+ {
+ add_drop_view => $add_drop_table,
+ quote_table_names => $qt,
+ }
+ );
+ push @view_defs, @$view_def;
}
- return wantarray ? (defined $create ? $create : (), @table_defs, @view_defs, @fk_defs, @trigger_defs, @index_defs, @constraint_defs) : $create . join ("\n\n", @table_defs, @view_defs, @fk_defs, @trigger_defs, @index_defs, @constraint_defs, '');
+ if (wantarray) {
+ return defined $create ? $create : (), @table_defs, @view_defs, @fk_defs, @trigger_defs, @index_defs, @constraint_defs;
+ }
+ else {
+ $create .= join (";\n\n", @table_defs, @view_defs, @fk_defs, @index_defs, @constraint_defs);
+ $create .= ";\n\n";
+ # If wantarray is not set we have to add "/" in this statement
+ # DBI->do() needs them omitted
+ # triggers may NOT end with a semicolon but a "/" instead
+ $create .= "$_/\n\n"
+ for @trigger_defs;
+ return $create;
+ }
}
sub create_table {
my ($table, $options) = @_;
+ my $qt = $options->{quote_table_names};
+ my $qf = $options->{quote_field_names};
my $table_name = $table->name;
-
+ my $table_name_q = quote($table_name,$qt);
+
my $item = '';
my $drop;
my (@create, @field_defs, @constraint_defs, @fk_defs, @trigger_defs);
push @create, "--\n-- Table: $table_name\n--" unless $options->{no_comments};
- push @create, qq[DROP TABLE $table_name CASCADE CONSTRAINTS;] if $options->{add_drop_table};
-
- my $table_name_ur = unreserve($table_name) or next;
+ push @create, qq[DROP TABLE $table_name_q CASCADE CONSTRAINTS] if $options->{add_drop_table};
my ( %field_name_scope, @field_comments );
for my $field ( $table->get_fields ) {
my ( $key, $value ) = each %$opt;
if ( ref $value eq 'ARRAY' ) {
push @table_options, "$key\n(\n". join ("\n",
- map { " $_->[0]\t$_->[1]" }
+ map { " $_->[0]\t$_->[1]" }
map { [ each %$_ ] }
@$value
)."\n)";
#
for my $c ( $table->get_constraints ) {
my $name = $c->name || '';
- my @fields = map { unreserve( $_, $table_name ) } $c->fields;
- my @rfields = map { unreserve( $_, $table_name ) }
- $c->reference_fields;
+ my @fields = map { quote($_,$qf) } $c->fields;
+ my @rfields = map { quote($_,$qf) } $c->reference_fields;
+
next if !@fields && $c->type ne CHECK_C;
if ( $c->type eq PRIMARY_KEY ) {
# create a name if delay_constraints
$name ||= mk_name( $table_name, 'pk' )
if $options->{delay_constraints};
+ $name = quote($name,$qf);
push @constraint_defs, ($name ? "CONSTRAINT $name " : '') .
- 'PRIMARY KEY (' . join( ', ', @fields ) . ')';
+ 'PRIMARY KEY (' . join( ', ', @fields ) . ')';
}
elsif ( $c->type eq UNIQUE ) {
- # Don't create UNIQUE constraints identical to the primary key
- if ( my $pk = $table->primary_key ) {
- my $u_fields = join(":", @fields);
- my $pk_fields = join(":", $pk->fields);
- next if $u_fields eq $pk_fields;
- }
-
- $name ||= mk_name( $name || $table_name, 'u' );
+ # Don't create UNIQUE constraints identical to the primary key
+ if ( my $pk = $table->primary_key ) {
+ my $u_fields = join(":", @fields);
+ my $pk_fields = join(":", $pk->fields);
+ next if $u_fields eq $pk_fields;
+ }
+
+ if ($name) {
+ # Force prepend of table_name as ORACLE doesn't allow duplicate
+ # CONSTRAINT names even for different tables (ORA-02264)
+ $name = mk_name( "${table_name}_$name", 'u' ) unless $name =~ /^$table_name/;
+ }
+ else {
+ $name = mk_name( $table_name, 'u' );
+ }
+
+ $name = quote($name, $qf);
for my $f ( $c->fields ) {
my $field_def = $table->get_field( $f ) or next;
- my $dtype = $translate{ $field_def->data_type } or next;
+ my $dtype = $translate{ ref $field_def->data_type eq "ARRAY" ? $field_def->data_type->[0] : $field_def->data_type} or next;
if ( $WARN && $dtype =~ /clob/i ) {
warn "Oracle will not allow UNIQUE constraints on " .
"CLOB field '" . $field_def->table->name . '.' .
}
elsif ( $c->type eq CHECK_C ) {
$name ||= mk_name( $name || $table_name, 'ck' );
+ $name = quote($name, $qf);
my $expression = $c->expression || '';
push @constraint_defs, "CONSTRAINT $name CHECK ($expression)";
}
elsif ( $c->type eq FOREIGN_KEY ) {
- $name = mk_name( join('_', $table_name, $c->fields). '_fk' );
+ $name = mk_name( join('_', $table_name, $c->fields). '_fk' );
+ $name = quote($name, $qf);
+ my $on_delete = uc ($c->on_delete || '');
+
my $def = "CONSTRAINT $name FOREIGN KEY ";
if ( @fields ) {
$def .= '(' . join( ', ', @fields ) . ')';
}
- my $ref_table = unreserve($c->reference_table);
+ my $ref_table = quote($c->reference_table,$qt);
$def .= " REFERENCES $ref_table";
}
if ( $c->match_type ) {
- $def .= ' MATCH ' .
+ $def .= ' MATCH ' .
( $c->match_type =~ /full/i ) ? 'FULL' : 'PARTIAL';
}
- if ( $c->on_delete ) {
- $def .= ' ON DELETE '.join( ' ', $c->on_delete );
+ if ( $on_delete && $on_delete ne "RESTRICT") {
+ $def .= ' ON DELETE '.$c->on_delete;
}
- # disabled by plu 2007-12-29 - doesn't exist for oracle
- #if ( $c->on_update ) {
- # $def .= ' ON UPDATE '.join( ' ', $c->on_update );
- #}
+ # disabled by plu 2007-12-29 - doesn't exist for oracle
+ #if ( $c->on_update ) {
+ # $def .= ' ON UPDATE '. $c->on_update;
+ #}
- push @fk_defs, sprintf("ALTER TABLE %s ADD %s;", $table, $def);
+ push @fk_defs, sprintf("ALTER TABLE %s ADD %s", $table_name_q, $def);
}
}
for my $index ( $table->get_indices ) {
my $index_name = $index->name || '';
my $index_type = $index->type || NORMAL;
- my @fields = map { unreserve( $_, $table_name ) }
- $index->fields;
+ my @fields = map { quote($_, $qf) } $index->fields;
next unless @fields;
my @index_options;
my ( $key, $value ) = each %$opt;
if ( ref $value eq 'ARRAY' ) {
push @table_options, "$key\n(\n". join ("\n",
- map { " $_->[0]\t$_->[1]" }
+ map { " $_->[0]\t$_->[1]" }
map { [ each %$_ ] }
@$value
)."\n)";
? "\n".join("\n", @index_options) : '';
if ( $index_type eq PRIMARY_KEY ) {
- $index_name = $index_name ? mk_name( $index_name )
+ $index_name = $index_name ? mk_name( $index_name )
: mk_name( $table_name, 'pk' );
+ $index_name = quote($index_name, $qf);
push @field_defs, 'CONSTRAINT '.$index_name.' PRIMARY KEY '.
'(' . join( ', ', @fields ) . ')';
}
elsif ( $index_type eq NORMAL ) {
- $index_name = $index_name ? mk_name( $index_name )
+ $index_name = $index_name ? mk_name( $index_name )
: mk_name( $table_name, $index_name || 'i' );
- push @index_defs,
- "CREATE INDEX $index_name on $table_name_ur (".
- join( ', ', @fields ).
- ")$index_options;";
+ $index_name = quote($index_name, $qf);
+ push @index_defs,
+ "CREATE INDEX $index_name on $table_name_q (".
+ join( ', ', @fields ).
+ ")$index_options";
}
elsif ( $index_type eq UNIQUE ) {
- $index_name = $index_name ? mk_name( $index_name )
+ $index_name = $index_name ? mk_name( $index_name )
: mk_name( $table_name, $index_name || 'i' );
- push @index_defs,
- "CREATE UNIQUE INDEX $index_name on $table_name_ur (".
- join( ', ', @fields ).
- ")$index_options;";
+ $index_name = quote($index_name, $qf);
+ push @index_defs,
+ "CREATE UNIQUE INDEX $index_name on $table_name_q (".
+ join( ', ', @fields ).
+ ")$index_options";
}
else {
warn "Unknown index type ($index_type) on table $table_name.\n"
for my $comment ( @table_comments ) {
next unless $comment;
$comment =~ s/'/''/g;
- push @field_comments, "COMMENT ON TABLE $table_name_ur is\n '".
- $comment . "';" unless $options->{no_comments}
+ push @field_comments, "COMMENT ON TABLE $table_name_q is\n '".
+ $comment . "'" unless $options->{no_comments}
;
}
}
- my $table_options = @table_options
+ my $table_options = @table_options
? "\n".join("\n", @table_options) : '';
- push @create, "CREATE TABLE $table_name_ur (\n" .
+ push @create, "CREATE TABLE $table_name_q (\n" .
join( ",\n", map { " $_" } @field_defs,
($options->{delay_constraints} ? () : @constraint_defs) ) .
- "\n)$table_options;";
+ "\n)$table_options";
- @constraint_defs = map { 'ALTER TABLE '.$table_name_ur.' ADD '.$_.';' }
+ @constraint_defs = map { "ALTER TABLE $table_name_q ADD $_" }
@constraint_defs;
if ( $WARN ) {
warn "Truncated " . keys( %truncated ) . " names:\n";
warn "\t" . join( "\n\t", sort keys %truncated ) . "\n";
}
-
- if ( %unreserve ) {
- warn "Encounted " . keys( %unreserve ) .
- " unsafe names in schema (reserved or invalid):\n";
- warn "\t" . join( "\n\t", sort keys %unreserve ) . "\n";
- }
}
return \@create, \@fk_defs, \@trigger_defs, \@index_defs, ($options->{delay_constraints} ? \@constraint_defs : []);
sub alter_field {
my ($from_field, $to_field, $options) = @_;
+ my $qt = $options->{quote_table_names};
my ($field_create, $field_defs, $trigger_defs, $field_comments) =
create_field($to_field, $options, {});
@$field_defs = map { s/ NOT NULL//; $_} @$field_defs;
}
- my $table_name = $to_field->table->name;
- my $table_name_ur = unreserve( $table_name );
+ my $table_name = quote($to_field->table->name,$qt);
- return 'ALTER TABLE '.$table_name_ur.' MODIFY ( '.join('', @$field_defs).' )';
+ return 'ALTER TABLE '.$table_name.' MODIFY ( '.join('', @$field_defs).' )';
}
sub add_field {
my ($new_field, $options) = @_;
+ my $qt = $options->{quote_table_names};
my ($field_create, $field_defs, $trigger_defs, $field_comments) =
create_field($new_field, $options, {});
- my $table_name = $new_field->table->name;
- my $table_name_ur = unreserve( $table_name );
+ my $table_name = quote($new_field->table->name,$qt);
my $out = sprintf('ALTER TABLE %s ADD ( %s )',
- $table_name_ur,
+ $table_name,
join('', @$field_defs));
return $out;
}
sub create_field {
my ($field, $options, $field_name_scope) = @_;
+ my $qf = $options->{quote_field_names};
+ my $qt = $options->{quote_table_names};
my (@create, @field_defs, @trigger_defs, @field_comments);
my $table_name = $field->table->name;
- my $table_name_ur = unreserve( $table_name );
+ my $table_name_q = quote($table_name, $qt);
#
# Field name
my $field_name = mk_name(
$field->name, '', $field_name_scope, 1
);
-
- my $field_name_ur = unreserve( $field_name, $table_name );
- my $field_def = $field_name_ur;
- $field->name( $field_name_ur );
+ my $field_name_q = quote($field_name, $qf);
+ my $field_def = quote($field_name, $qf);
+ $field->name( $field_name );
#
# Datatype
my $commalist = join( ', ', map { qq['$_'] } @$list );
if ( $data_type eq 'enum' ) {
- $check = "CHECK ($field_name_ur IN ($commalist))";
+ $check = "CHECK ($field_name_q IN ($commalist))";
$data_type = 'varchar2';
}
elsif ( $data_type eq 'set' ) {
- # XXX add a CHECK constraint maybe
+ # XXX add a CHECK constraint maybe
# (trickier and slower, than enum :)
$data_type = 'varchar2';
}
else {
- $data_type = defined $translate{ $data_type } ?
- $translate{ $data_type } :
- $data_type;
- $data_type ||= 'varchar2';
+ if (defined $translate{ $data_type }) {
+ if (ref $translate{ $data_type } eq "ARRAY") {
+ ($data_type,$size[0]) = @{$translate{ $data_type }};
+ } else {
+ $data_type = $translate{ $data_type };
+ }
+ }
+ $data_type ||= 'varchar2';
+ }
+
+ # ensure size is not bigger than max size oracle allows for data type
+ if ( defined $max_size{$data_type} ) {
+ for ( my $i = 0 ; $i < scalar @size ; $i++ ) {
+ my $max =
+ ref( $max_size{$data_type} ) eq 'ARRAY'
+ ? $max_size{$data_type}->[$i]
+ : $max_size{$data_type};
+ $size[$i] = $max if $size[$i] > $max;
+ }
}
#
- # Fixes ORA-02329: column of datatype LOB cannot be
+ # Fixes ORA-02329: column of datatype LOB cannot be
# unique or a primary key
#
if ( $data_type eq 'clob' && $field->is_primary_key ) {
undef @size;
}
+ #
+ # Fixes ORA-00906: missing right parenthesis
+ # if size is 0 or undefined
+ #
+ for (qw/varchar2/) {
+ if ( $data_type =~ /^($_)$/i ) {
+ $size[0] ||= $max_size{$_};
+ }
+ }
+
$field_def .= " $data_type";
if ( defined $size[0] && $size[0] > 0 ) {
- $field_def .= '(' . join( ', ', @size ) . ')';
+ $field_def .= '(' . join( ',', @size ) . ')';
}
#
my $default = $field->default_value;
if ( defined $default ) {
#
- # Wherein we try to catch a string being used as
+ # Wherein we try to catch a string being used as
# a default value for a numerical field. If "true/false,"
# then sub "1/0," otherwise just test the truthity of the
# argument and use that (naive?).
#
- if (
- $data_type =~ /^number$/i &&
+ if (ref $default and defined $$default) {
+ $default = $$default;
+ } elsif (ref $default) {
+ $default = 'NULL';
+ } elsif (
+ $data_type =~ /^number$/i &&
$default !~ /^-?\d+$/ &&
$default !~ m/null/i
) {
} else {
$default = $default ? "'1'" : "'0'";
}
- } elsif (
+ } elsif (
$data_type =~ /date/ && (
- $default eq 'current_timestamp'
+ $default eq 'current_timestamp'
||
- $default eq 'now()'
+ $default eq 'now()'
)
) {
$default = 'SYSDATE';
} else {
$default = $default =~ m/null/i ? 'NULL' : "'$default'"
- }
+ }
$field_def .= " DEFAULT $default",
}
# Auto_increment
#
if ( $field->is_auto_increment ) {
- my $base_name = $table_name_ur . "_". $field_name;
- my $seq_name = mk_name( $base_name, 'sq' );
- my $trigger_name = mk_name( $base_name, 'ai' );
+ my $base_name = $table_name . "_". $field_name;
+ my $seq_name = quote(mk_name( $base_name, 'sq' ),$qt);
+ my $trigger_name = quote(mk_name( $base_name, 'ai' ),$qt);
- push @create, qq[DROP SEQUENCE $seq_name;] if $options->{add_drop_table};
- push @create, "CREATE SEQUENCE $seq_name;";
- push @trigger_defs,
+ push @create, qq[DROP SEQUENCE $seq_name] if $options->{add_drop_table};
+ push @create, "CREATE SEQUENCE $seq_name";
+ my $trigger =
"CREATE OR REPLACE TRIGGER $trigger_name\n" .
- "BEFORE INSERT ON $table_name_ur\n" .
+ "BEFORE INSERT ON $table_name_q\n" .
"FOR EACH ROW WHEN (\n" .
- " new.$field_name_ur IS NULL".
- " OR new.$field_name_ur = 0\n".
+ " new.$field_name_q IS NULL".
+ " OR new.$field_name_q = 0\n".
")\n".
"BEGIN\n" .
" SELECT $seq_name.nextval\n" .
- " INTO :new." . $field->name."\n" .
+ " INTO :new." . $field_name_q."\n" .
" FROM dual;\n" .
- "END;\n/";
- ;
+ "END;\n";
+
+ push @trigger_defs, $trigger;
}
if ( lc $field->data_type eq 'timestamp' ) {
- my $base_name = $table_name_ur . "_". $field_name_ur;
- my $trig_name = mk_name( $base_name, 'ts' );
- push @trigger_defs,
+ my $base_name = $table_name . "_". $field_name;
+ my $trig_name = quote(mk_name( $base_name, 'ts' ), $qt);
+ my $trigger =
"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/";
+ "BEFORE INSERT OR UPDATE ON $table_name_q\n".
+ "FOR EACH ROW WHEN (new.$field_name_q IS NULL)\n".
+ "BEGIN\n".
+ " SELECT sysdate INTO :new.$field_name_q FROM dual;\n".
+ "END;\n";
+
+ push @trigger_defs, $trigger;
}
push @field_defs, $field_def;
if ( my $comment = $field->comments ) {
$comment =~ s/'/''/g;
- push @field_comments,
- "COMMENT ON COLUMN $table_name_ur.$field_name_ur is\n '" .
+ push @field_comments,
+ "COMMENT ON COLUMN $table_name_q.$field_name_q is\n '" .
$comment . "';" unless $options->{no_comments};
}
sub create_view {
- my ($view) = @_;
+ my ($view, $options) = @_;
+ my $qt = $options->{quote_table_names};
+ my $view_name = quote($view->name,$qt);
+
+ my @create;
+ push @create, qq[DROP VIEW $view_name]
+ if $options->{add_drop_view};
- my $out = sprintf("CREATE VIEW %s AS\n%s;",
- $view->name,
+ push @create, sprintf("CREATE VIEW %s AS\n%s",
+ $view_name,
$view->sql);
- return $out;
+ return \@create;
}
-# -------------------------------------------------------------------
sub mk_name {
- my $basename = shift || '';
- my $type = shift || '';
+ my $basename = shift || '';
+ my $type = shift || '';
$type = '' if $type =~ /^\d/;
- my $scope = shift || '';
+ my $scope = shift || '';
my $critical = shift || '';
my $basename_orig = $basename;
- my $max_name = $type
- ? $max_id_length - (length($type) + 1)
+ my $max_name = $type
+ ? $max_id_length - (length($type) + 1)
: $max_id_length;
- $basename = substr( $basename, 0, $max_name )
+ $basename = substr( $basename, 0, $max_name )
if length( $basename ) > $max_name;
my $name = $type ? "${type}_$basename" : $basename;
return $name;
}
-# -------------------------------------------------------------------
-sub unreserve {
- my $name = shift || '';
- my $schema_obj_name = shift || '';
-
- my ( $suffix ) = ( $name =~ s/(\W.*)$// ) ? $1 : '';
-
- # also trap fields that don't begin with a letter
- return $name if !$ora_reserved{ uc $name } && $name =~ /^[a-z]/i;
-
- if ( $schema_obj_name ) {
- ++$unreserve{"$schema_obj_name.$name"};
- }
- else {
- ++$unreserve{"$name (table name)"};
- }
+1;
- my $unreserve = sprintf '%s_', $name;
- return $unreserve.$suffix;
+sub quote {
+ my ($name, $q) = @_;
+ return $name unless $q && $name;
+ $name =~ s/\Q$quote_char/$quote_char$quote_char/g;
+ return "$quote_char$name$quote_char";
}
-1;
# -------------------------------------------------------------------
# All bad art is the result of good intentions.
Mad props to Tim Bunce for much of the logic stolen from his "mysql2ora"
script.
-=head1 AUTHOR
+=head1 AUTHORS
-Ken Y. Clark E<lt>kclark@cpan.orgE<gt>.
+Ken Youens-Clark E<lt>kclark@cpan.orgE<gt>,
+Alexander Hartmaier E<lt>abraxxa@cpan.orgE<gt>,
+Fabien Wernli E<lt>faxmodem@cpan.orgE<gt>.
=head1 SEE ALSO