=head1 DESCRIPTION
sqlt-diff is a utility for creating a file of SQL commands necessary to
-transform the first schema provided to the second. While not yet
-exhaustive in its ability to mutate the entire schema, it will report the
+transform the first schema provided to the second. While not yet
+exhaustive in its ability to mutate the entire schema, it will report the
following
=over
=item * Missing/altered fields
-Any fields missing or altered between the two schemas will be reported
+Any fields missing or altered between the two schemas will be reported
as:
- ALTER TABLE <table_name>
- [DROP <field_name>]
+ ALTER TABLE <table_name>
+ [DROP <field_name>]
[CHANGE <field_name> <datatype> (<size>)] ;
=item * Missing/altered indices
Any indices missing or of a different type or on different fields will be
indicated. Indices that should be dropped will be reported as such:
-
+
DROP INDEX <index_name> ON <table_name> ;
-An index of a different type or on different fields will be reported as a
+An index of a different type or on different fields will be reported as a
new index as such:
- CREATE [<index_type>] INDEX [<index_name>] ON <table_name>
+ CREATE [<index_type>] INDEX [<index_name>] ON <table_name>
( <field_name>[,<field_name>] ) ;
=back
$help = 1;
}
elsif ( $arg =~ m/^-?-d(ebug)?$/ ) {
- $debug = 1;
+ $debug = 1;
}
elsif ( $arg =~ m/^([^=]+)=(.+)$/ ) {
push @input, { file => $1, parser => $2 };
warn "TABLE '$s1_name.$t1_name'\n" if $debug;
unless ( $t2 ) {
- warn "Couldn't find table '$s1_name.$t1_name' in '$s2_name'\n"
+ warn "Couldn't find table '$s1_name.$t1_name' in '$s2_name'\n"
if $debug;
if ( $target_db =~ /(SQLServer|Oracle)/ ) {
- for my $constraint ( $t1->get_constraints ) {
- next if $constraint->type ne FOREIGN_KEY;
- push @diffs_at_end, "ALTER TABLE $t1_name ADD ".
- constraint_to_string($constraint, $source_schema).";";
- $t1->drop_constraint($constraint);
- }
+ for my $constraint ( $t1->get_constraints ) {
+ next if $constraint->type ne FOREIGN_KEY;
+ push @diffs_at_end, "ALTER TABLE $t1_name ADD ".
+ constraint_to_string($constraint, $source_schema).";";
+ $t1->drop_constraint($constraint);
+ }
}
push @new_tables, $t1;
next;
}
-
+
# Go through our options
- my $options_different = 0;
- my %checkedOptions;
+ my $options_different = 0;
+ my %checkedOptions;
OPTION:
- for my $t1_option_ref ( $t1->options ) {
- my($key1, $value1) = %{$t1_option_ref};
- for my $t2_option_ref ( $t2->options ) {
- my($key2, $value2) = %{$t2_option_ref};
- if ( $key1 eq $key2 ) {
- if ( defined $value1 != defined $value2 ) {
- $options_different = 1;
- last OPTION;
- }
- if ( defined $value1 && $value1 ne $value2 ) {
- $options_different = 1;
- last OPTION;
- }
- $checkedOptions{$key1} = 1;
- next OPTION;
- }
- }
- $options_different = 1;
- last OPTION;
- }
+ for my $t1_option_ref ( $t1->options ) {
+ my($key1, $value1) = %{$t1_option_ref};
+ for my $t2_option_ref ( $t2->options ) {
+ my($key2, $value2) = %{$t2_option_ref};
+ if ( $key1 eq $key2 ) {
+ if ( defined $value1 != defined $value2 ) {
+ $options_different = 1;
+ last OPTION;
+ }
+ if ( defined $value1 && $value1 ne $value2 ) {
+ $options_different = 1;
+ last OPTION;
+ }
+ $checkedOptions{$key1} = 1;
+ next OPTION;
+ }
+ }
+ $options_different = 1;
+ last OPTION;
+ }
# Go through the other table's options
unless ( $options_different ) {
- for my $t2_option_ref ( $t2->options ) {
- my($key, $value) = %{$t2_option_ref};
- next if $checkedOptions{$key};
- $options_different = 1;
- last;
- }
+ for my $t2_option_ref ( $t2->options ) {
+ my($key, $value) = %{$t2_option_ref};
+ next if $checkedOptions{$key};
+ $options_different = 1;
+ last;
+ }
}
# If there's a difference, just re-set all the options
my @diffs_table_options;
if ( $options_different ) {
- my @options = ();
- foreach my $option_ref ( $t1->options ) {
- my($key, $value) = %{$option_ref};
- push(@options, defined $value ? "$key=$value" : $key);
- }
- my $options = join(' ', @options);
- @diffs_table_options = ("ALTER TABLE $t1_name $options;");
+ my @options = ();
+ foreach my $option_ref ( $t1->options ) {
+ my($key, $value) = %{$option_ref};
+ push(@options, defined $value ? "$key=$value" : $key);
+ }
+ my $options = join(' ', @options);
+ @diffs_table_options = ("ALTER TABLE $t1_name $options;");
}
-
+
my $t2_name = $t2->name;
my(@diffs_table_adds, @diffs_table_changes);
for my $t1_field ( $t1->get_fields ) {
my $f2_full_name = "$s2_name.$t2_name.$f1_name";
unless ( $t2_field ) {
- warn "Couldn't find field '$f2_full_name' in '$t2_name'\n"
+ warn "Couldn't find field '$f2_full_name' in '$t2_name'\n"
if $debug;
my $temp_default_value = 0;
if ( $target_db =~ /SQLServer/ && !$f1_nullable && !defined $f1_default ) {
- # SQL Server doesn't allow adding non-nullable, non-default columns
- # so we add it with a default value, then remove the default value
- $temp_default_value = 1;
- my(@numeric_types) = qw(decimal numeric float real int bigint smallint tinyint);
- $f1_default = grep($_ eq $f1_type, @numeric_types) ? 0 : '';
+ # SQL Server doesn't allow adding non-nullable, non-default columns
+ # so we add it with a default value, then remove the default value
+ $temp_default_value = 1;
+ my(@numeric_types) = qw(decimal numeric float real int bigint smallint tinyint);
+ $f1_default = grep($_ eq $f1_type, @numeric_types) ? 0 : '';
}
push @diffs_table_adds, sprintf( "ALTER TABLE %s ADD %s%s %s%s%s%s%s%s;",
$t1_name, $target_db =~ /Oracle/ ? '(' : '',
$f1_name, $f1_type,
($f1_size && $f1_type !~ /(blob|text)$/) ? "($f1_size)" : '',
!defined $f1_default ? ''
- : uc $f1_default eq 'NULL' ? ' DEFAULT NULL'
- : uc $f1_default eq 'CURRENT_TIMESTAMP' ? ' DEFAULT CURRENT_TIMESTAMP'
- : " DEFAULT '$f1_default'",
+ : uc $f1_default eq 'NULL' ? ' DEFAULT NULL'
+ : uc $f1_default eq 'CURRENT_TIMESTAMP' ? ' DEFAULT CURRENT_TIMESTAMP'
+ : " DEFAULT '$f1_default'",
$f1_nullable ? '' : ' NOT NULL',
$f1_auto_inc ? ' AUTO_INCREMENT' : '',
$target_db =~ /Oracle/ ? ')' : '',
);
if ( $temp_default_value ) {
- undef $f1_default;
- push @diffs_table_adds, sprintf( <<END
+ undef $f1_default;
+ push @diffs_table_adds, sprintf( <<END
DECLARE \@defname VARCHAR(100), \@cmd VARCHAR(1000)
-SET \@defname =
-(SELECT name
+SET \@defname =
+(SELECT name
FROM sysobjects so JOIN sysconstraints sc
-ON so.id = sc.constid
-WHERE object_name(so.parent_obj) = '%s'
+ON so.id = sc.constid
+WHERE object_name(so.parent_obj) = '%s'
AND so.xtype = 'D'
-AND sc.colid =
- (SELECT colid FROM syscolumns
- WHERE id = object_id('%s') AND
+AND sc.colid =
+ (SELECT colid FROM syscolumns
+ WHERE id = object_id('%s') AND
name = '%s'))
SET \@cmd = 'ALTER TABLE %s DROP CONSTRAINT '
+ \@defname
EXEC(\@cmd)
END
- , $t1_name, $t1_name, $f1_name, $t1_name,
- );
+ , $t1_name, $t1_name, $f1_name, $t1_name,
+ );
}
next;
}
my $f2_default = $t2_field->default_value;
my $f2_auto_inc = $t2_field->is_auto_increment;
if ( !$t1_field->equals($t2_field, $case_insensitive) ) {
- # SQLServer timestamp fields can't be altered, so we drop and add instead
- if ( $target_db =~ /SQLServer/ && $f2_type eq "timestamp" ) {
- push @diffs_table_changes, "ALTER TABLE $t1_name DROP COLUMN $f1_name;";
- push @diffs_table_changes, sprintf( "ALTER TABLE %s ADD %s%s %s%s%s%s%s%s;",
- $t1_name, $target_db =~ /Oracle/ ? '(' : '',
- $f1_name, $f1_type,
- ($f1_size && $f1_type !~ /(blob|text)$/) ? "($f1_size)" : '',
- !defined $f1_default ? ''
- : uc $f1_default eq 'NULL' ? ' DEFAULT NULL'
- : uc $f1_default eq 'CURRENT_TIMESTAMP' ? ' DEFAULT CURRENT_TIMESTAMP'
- : " DEFAULT '$f1_default'",
- $f1_nullable ? '' : ' NOT NULL',
- $f1_auto_inc ? ' AUTO_INCREMENT' : '',
- $target_db =~ /Oracle/ ? ')' : '',
- );
- next;
- }
-
- my $changeText = $target_db =~ /SQLServer/ ? 'ALTER COLUMN' :
- $target_db =~ /Oracle/ ? 'MODIFY (' : 'CHANGE';
- my $nullText = $f1_nullable ? '' : ' NOT NULL';
- $nullText = '' if $target_db =~ /Oracle/ && $f1_nullable == $f2_nullable;
+ # SQLServer timestamp fields can't be altered, so we drop and add instead
+ if ( $target_db =~ /SQLServer/ && $f2_type eq "timestamp" ) {
+ push @diffs_table_changes, "ALTER TABLE $t1_name DROP COLUMN $f1_name;";
+ push @diffs_table_changes, sprintf( "ALTER TABLE %s ADD %s%s %s%s%s%s%s%s;",
+ $t1_name, $target_db =~ /Oracle/ ? '(' : '',
+ $f1_name, $f1_type,
+ ($f1_size && $f1_type !~ /(blob|text)$/) ? "($f1_size)" : '',
+ !defined $f1_default ? ''
+ : uc $f1_default eq 'NULL' ? ' DEFAULT NULL'
+ : uc $f1_default eq 'CURRENT_TIMESTAMP' ? ' DEFAULT CURRENT_TIMESTAMP'
+ : " DEFAULT '$f1_default'",
+ $f1_nullable ? '' : ' NOT NULL',
+ $f1_auto_inc ? ' AUTO_INCREMENT' : '',
+ $target_db =~ /Oracle/ ? ')' : '',
+ );
+ next;
+ }
+
+ my $changeText = $target_db =~ /SQLServer/ ? 'ALTER COLUMN' :
+ $target_db =~ /Oracle/ ? 'MODIFY (' : 'CHANGE';
+ my $nullText = $f1_nullable ? '' : ' NOT NULL';
+ $nullText = '' if $target_db =~ /Oracle/ && $f1_nullable == $f2_nullable;
push @diffs_table_changes, sprintf( "ALTER TABLE %s %s %s%s %s%s%s%s%s%s;",
$t1_name, $changeText,
$f1_name, $target_db =~ /MySQL/ ? " $f1_name" : '',
$f1_type, ($f1_size && $f1_type !~ /(blob|text)$/) ? "($f1_size)" : '',
$nullText,
!defined $f1_default || $target_db =~ /SQLServer/ ? ''
- : uc $f1_default eq 'NULL' ? ' DEFAULT NULL'
- : uc $f1_default eq 'CURRENT_TIMESTAMP' ? ' DEFAULT CURRENT_TIMESTAMP'
- : " DEFAULT '$f1_default'",
+ : uc $f1_default eq 'NULL' ? ' DEFAULT NULL'
+ : uc $f1_default eq 'CURRENT_TIMESTAMP' ? ' DEFAULT CURRENT_TIMESTAMP'
+ : " DEFAULT '$f1_default'",
$f1_auto_inc ? ' AUTO_INCREMENT' : '',
$target_db =~ /Oracle/ ? ')' : '',
);
if ( defined $f1_default && $target_db =~ /SQLServer/ ) {
- # Adding a column with a default value for SQL Server means adding a
- # constraint and setting existing NULLs to the default value
- push @diffs_table_changes, sprintf( "ALTER TABLE %s ADD CONSTRAINT DF_%s_%s %s FOR %s;",
- $t1_name, $t1_name, $f1_name, uc $f1_default eq 'NULL' ? 'DEFAULT NULL'
- : uc $f1_default eq 'CURRENT_TIMESTAMP' ? 'DEFAULT CURRENT_TIMESTAMP'
- : "DEFAULT '$f1_default'", $f1_name,
+ # Adding a column with a default value for SQL Server means adding a
+ # constraint and setting existing NULLs to the default value
+ push @diffs_table_changes, sprintf( "ALTER TABLE %s ADD CONSTRAINT DF_%s_%s %s FOR %s;",
+ $t1_name, $t1_name, $f1_name, uc $f1_default eq 'NULL' ? 'DEFAULT NULL'
+ : uc $f1_default eq 'CURRENT_TIMESTAMP' ? 'DEFAULT CURRENT_TIMESTAMP'
+ : "DEFAULT '$f1_default'", $f1_name,
);
- push @diffs_table_changes, sprintf( "UPDATE %s SET %s = %s WHERE %s IS NULL;",
- $t1_name, $f1_name, uc $f1_default eq 'NULL' ? 'NULL'
- : uc $f1_default eq 'CURRENT_TIMESTAMP' ? 'CURRENT_TIMESTAMP'
- : "'$f1_default'", $f1_name,
+ push @diffs_table_changes, sprintf( "UPDATE %s SET %s = %s WHERE %s IS NULL;",
+ $t1_name, $f1_name, uc $f1_default eq 'NULL' ? 'NULL'
+ : uc $f1_default eq 'CURRENT_TIMESTAMP' ? 'CURRENT_TIMESTAMP'
+ : "'$f1_default'", $f1_name,
);
}
}
}
-
- my(%checked_indices, @diffs_index_creates, @diffs_index_drops);
+
+ my(%checked_indices, @diffs_index_creates, @diffs_index_drops);
INDEX:
- for my $i1 ( $t1->get_indices ) {
- for my $i2 ( $t2->get_indices ) {
- if ( $i1->equals($i2, $case_insensitive) ) {
- $checked_indices{$i2} = 1;
- next INDEX;
- }
- }
- push @diffs_index_creates, sprintf(
+ for my $i1 ( $t1->get_indices ) {
+ for my $i2 ( $t2->get_indices ) {
+ if ( $i1->equals($i2, $case_insensitive) ) {
+ $checked_indices{$i2} = 1;
+ next INDEX;
+ }
+ }
+ push @diffs_index_creates, sprintf(
"CREATE %sINDEX%s ON %s (%s);",
$i1->type eq NORMAL ? '' : $i1->type." ",
$i1->name ? " ".$i1->name : '',
$t1_name,
join(",", $i1->fields),
);
- }
+ }
INDEX2:
- for my $i2 ( $t2->get_indices ) {
- next if $checked_indices{$i2};
- for my $i1 ( $t1->get_indices ) {
- next INDEX2 if $i2->equals($i1, $case_insensitive);
- }
- $target_db =~ /SQLServer/
- ? push @diffs_index_drops, "DROP INDEX $t1_name.".$i2->name.";"
- : push @diffs_index_drops, "DROP INDEX ".$i2->name." on $t1_name;";
- }
-
- my(%checked_constraints, @diffs_constraint_drops);
+ for my $i2 ( $t2->get_indices ) {
+ next if $checked_indices{$i2};
+ for my $i1 ( $t1->get_indices ) {
+ next INDEX2 if $i2->equals($i1, $case_insensitive);
+ }
+ $target_db =~ /SQLServer/
+ ? push @diffs_index_drops, "DROP INDEX $t1_name.".$i2->name.";"
+ : push @diffs_index_drops, "DROP INDEX ".$i2->name." on $t1_name;";
+ }
+
+ my(%checked_constraints, @diffs_constraint_drops);
CONSTRAINT:
- for my $c1 ( $t1->get_constraints ) {
- next if $source_db =~ /Oracle/ && $c1->type eq UNIQUE && $c1->name =~ /^SYS_/i;
- for my $c2 ( $t2->get_constraints ) {
- if ( $c1->equals($c2, $case_insensitive) ) {
- $checked_constraints{$c2} = 1;
- next CONSTRAINT;
- }
- }
- push @diffs_at_end, "ALTER TABLE $t1_name ADD ".
- constraint_to_string($c1, $source_schema).";";
- }
+ for my $c1 ( $t1->get_constraints ) {
+ next if $source_db =~ /Oracle/ && $c1->type eq UNIQUE && $c1->name =~ /^SYS_/i;
+ for my $c2 ( $t2->get_constraints ) {
+ if ( $c1->equals($c2, $case_insensitive) ) {
+ $checked_constraints{$c2} = 1;
+ next CONSTRAINT;
+ }
+ }
+ push @diffs_at_end, "ALTER TABLE $t1_name ADD ".
+ constraint_to_string($c1, $source_schema).";";
+ }
CONSTRAINT2:
- for my $c2 ( $t2->get_constraints ) {
- next if $checked_constraints{$c2};
- for my $c1 ( $t1->get_constraints ) {
- next CONSTRAINT2 if $c2->equals($c1, $case_insensitive);
- }
- if ( $c2->type eq UNIQUE ) {
- push @diffs_constraint_drops, "ALTER TABLE $t1_name DROP INDEX ".
- $c2->name.";";
- } elsif ( $target_db =~ /SQLServer/ ) {
- push @diffs_constraint_drops, "ALTER TABLE $t1_name DROP ".$c2->name.";";
- } else {
- push @diffs_constraint_drops, "ALTER TABLE $t1_name DROP ".$c2->type.
- ($c2->type eq FOREIGN_KEY ? " ".$c2->name : '').";";
- }
- }
-
- push @diffs, @diffs_index_drops, @diffs_constraint_drops,
- @diffs_table_options, @diffs_table_adds,
- @diffs_table_changes, @diffs_index_creates;
+ for my $c2 ( $t2->get_constraints ) {
+ next if $checked_constraints{$c2};
+ for my $c1 ( $t1->get_constraints ) {
+ next CONSTRAINT2 if $c2->equals($c1, $case_insensitive);
+ }
+ if ( $c2->type eq UNIQUE ) {
+ push @diffs_constraint_drops, "ALTER TABLE $t1_name DROP INDEX ".
+ $c2->name.";";
+ } elsif ( $target_db =~ /SQLServer/ ) {
+ push @diffs_constraint_drops, "ALTER TABLE $t1_name DROP ".$c2->name.";";
+ } else {
+ push @diffs_constraint_drops, "ALTER TABLE $t1_name DROP ".$c2->type.
+ ($c2->type eq FOREIGN_KEY ? " ".$c2->name : '').";";
+ }
+ }
+
+ push @diffs, @diffs_index_drops, @diffs_constraint_drops,
+ @diffs_table_options, @diffs_table_adds,
+ @diffs_table_changes, @diffs_index_creates;
}
for my $t2 ( $target_schema->get_tables ) {
my $t1 = $source_schema->get_table( $t2_name, $target_db =~ /SQLServer/ );
unless ( $t1 ) {
- if ( $target_db =~ /SQLServer/ ) {
- for my $constraint ( $t2->get_constraints ) {
- next if $constraint->type eq PRIMARY_KEY;
- push @diffs, "ALTER TABLE $t2_name DROP ".$constraint->name.";";
- }
- }
+ if ( $target_db =~ /SQLServer/ ) {
+ for my $constraint ( $t2->get_constraints ) {
+ next if $constraint->type eq PRIMARY_KEY;
+ push @diffs, "ALTER TABLE $t2_name DROP ".$constraint->name.";";
+ }
+ }
push @diffs_at_end, "DROP TABLE $t2_name;";
next;
}
my $f2_name = $t2_field->name;
my $t1_field = $t1->get_field( $f2_name );
unless ( $t1_field ) {
- my $modifier = $target_db =~ /SQLServer/ ? "COLUMN " : '';
+ my $modifier = $target_db =~ /SQLServer/ ? "COLUMN " : '';
push @diffs, "ALTER TABLE $t2_name DROP $modifier$f2_name;";
}
}
}
if ( @diffs ) {
- print join( "\n",
+ print join( "\n",
"-- Convert schema '$s2_name' to '$s1_name':\n", @diffs, "\n"
);
exit(1);
}
sub constraint_to_string {
- my $c = shift;
- my $schema = shift or die "No schema given";
- my @fields = $c->field_names or return '';
-
- if ( $c->type eq PRIMARY_KEY ) {
- if ( $target_db =~ /Oracle/ ) {
- return (defined $c->name ? 'CONSTRAINT '.$c->name.' ' : '') .
- 'PRIMARY KEY (' . join(', ', @fields). ')';
- } else {
- return 'PRIMARY KEY (' . join(', ', @fields). ')';
- }
- }
- elsif ( $c->type eq UNIQUE ) {
- if ( $target_db =~ /Oracle/ ) {
- return (defined $c->name ? 'CONSTRAINT '.$c->name.' ' : '') .
- 'UNIQUE (' . join(', ', @fields). ')';
- } else {
- return 'UNIQUE '.
- (defined $c->name ? $c->name.' ' : '').
- '(' . join(', ', @fields). ')';
- }
- }
- elsif ( $c->type eq FOREIGN_KEY ) {
- my $def = join(' ',
- map { $_ || () } 'CONSTRAINT', $c->name, 'FOREIGN KEY'
- );
-
- $def .= ' (' . join( ', ', @fields ) . ')';
-
- $def .= ' REFERENCES ' . $c->reference_table;
-
- my @rfields = map { $_ || () } $c->reference_fields;
- unless ( @rfields ) {
- my $rtable_name = $c->reference_table;
- if ( my $ref_table = $schema->get_table( $rtable_name ) ) {
- push @rfields, $ref_table->primary_key;
- }
- else {
- warn "Can't find reference table '$rtable_name' " .
- "in schema\n";
- }
- }
-
- if ( @rfields ) {
- $def .= ' (' . join( ', ', @rfields ) . ')';
- }
- else {
- warn "FK constraint on " . 'some table' . '.' .
- join('', @fields) . " has no reference fields\n";
- }
-
- if ( $c->match_type ) {
- $def .= ' MATCH ' .
- ( $c->match_type =~ /full/i ) ? 'FULL' : 'PARTIAL';
- }
-
- if ( $c->on_delete ) {
- $def .= ' ON DELETE '.join( ' ', $c->on_delete );
- }
-
- if ( $c->on_update ) {
- $def .= ' ON UPDATE '.join( ' ', $c->on_update );
- }
-
- return $def;
- }
+ my $c = shift;
+ my $schema = shift or die "No schema given";
+ my @fields = $c->field_names or return '';
+
+ if ( $c->type eq PRIMARY_KEY ) {
+ if ( $target_db =~ /Oracle/ ) {
+ return (defined $c->name ? 'CONSTRAINT '.$c->name.' ' : '') .
+ 'PRIMARY KEY (' . join(', ', @fields). ')';
+ } else {
+ return 'PRIMARY KEY (' . join(', ', @fields). ')';
+ }
+ }
+ elsif ( $c->type eq UNIQUE ) {
+ if ( $target_db =~ /Oracle/ ) {
+ return (defined $c->name ? 'CONSTRAINT '.$c->name.' ' : '') .
+ 'UNIQUE (' . join(', ', @fields). ')';
+ } else {
+ return 'UNIQUE '.
+ (defined $c->name ? $c->name.' ' : '').
+ '(' . join(', ', @fields). ')';
+ }
+ }
+ elsif ( $c->type eq FOREIGN_KEY ) {
+ my $def = join(' ',
+ map { $_ || () } 'CONSTRAINT', $c->name, 'FOREIGN KEY'
+ );
+
+ $def .= ' (' . join( ', ', @fields ) . ')';
+
+ $def .= ' REFERENCES ' . $c->reference_table;
+
+ my @rfields = map { $_ || () } $c->reference_fields;
+ unless ( @rfields ) {
+ my $rtable_name = $c->reference_table;
+ if ( my $ref_table = $schema->get_table( $rtable_name ) ) {
+ push @rfields, $ref_table->primary_key;
+ }
+ else {
+ warn "Can't find reference table '$rtable_name' " .
+ "in schema\n";
+ }
+ }
+
+ if ( @rfields ) {
+ $def .= ' (' . join( ', ', @rfields ) . ')';
+ }
+ else {
+ warn "FK constraint on " . 'some table' . '.' .
+ join('', @fields) . " has no reference fields\n";
+ }
+
+ if ( $c->match_type ) {
+ $def .= ' MATCH ' .
+ ( $c->match_type =~ /full/i ) ? 'FULL' : 'PARTIAL';
+ }
+
+ if ( $c->on_delete ) {
+ $def .= ' ON DELETE '.join( ' ', $c->on_delete );
+ }
+
+ if ( $c->on_update ) {
+ $def .= ' ON UPDATE '.join( ' ', $c->on_update );
+ }
+
+ return $def;
+ }
}
-
+
# -------------------------------------------------------------------
# Bring out number weight & measure in a year of dearth.
# William Blake
projects / dbsrgits/SQL-Translator.git / blobdiff