diff options
Diffstat (limited to 'Bugzilla/DB/Schema')
-rw-r--r-- | Bugzilla/DB/Schema/Oracle.pm | 64 |
1 files changed, 48 insertions, 16 deletions
diff --git a/Bugzilla/DB/Schema/Oracle.pm b/Bugzilla/DB/Schema/Oracle.pm index f6a55b479..381906d2e 100644 --- a/Bugzilla/DB/Schema/Oracle.pm +++ b/Bugzilla/DB/Schema/Oracle.pm @@ -184,6 +184,31 @@ sub _get_fk_name { return $fk_name; } +sub get_add_column_ddl { + my $self = shift; + my ($table, $column, $definition, $init_value) = @_; + my @sql; + + # Create sequences and triggers to emulate SERIAL datatypes. + if ($definition->{TYPE} =~ /SERIAL/i) { + # Clone the definition to not alter the original one. + my %def = %$definition; + # Oracle requires to define the column is several steps. + my $pk = delete $def{PRIMARYKEY}; + my $notnull = delete $def{NOTNULL}; + @sql = $self->SUPER::get_add_column_ddl($table, $column, \%def, $init_value); + push(@sql, $self->_get_create_seq_ddl($table, $column)); + push(@sql, "UPDATE $table SET $column = ${table}_${column}_SEQ.NEXTVAL"); + push(@sql, "ALTER TABLE $table MODIFY $column NOT NULL") if $notnull; + push(@sql, "ALTER TABLE $table ADD PRIMARY KEY ($column)") if $pk; + } + else { + @sql = $self->SUPER::get_add_column_ddl(@_); + } + + return @sql; +} + sub get_alter_column_ddl { my ($self, $table, $column, $new_def, $set_nulls_to) = @_; @@ -349,6 +374,29 @@ sub get_rename_column_ddl { return @sql; } +sub get_drop_column_ddl { + my $self = shift; + my ($table, $column) = @_; + my @sql; + push(@sql, $self->SUPER::get_drop_column_ddl(@_)); + my $dbh=Bugzilla->dbh; + my $trigger_name = uc($table . "_" . $column); + my $exist_trigger = $dbh->selectcol_arrayref( + "SELECT OBJECT_NAME FROM USER_OBJECTS + WHERE OBJECT_NAME = ?", undef, $trigger_name); + if(@$exist_trigger) { + push(@sql, "DROP TRIGGER $trigger_name"); + } + # If this column is of type SERIAL, we need to drop the sequence + # and trigger that went along with it. + my $def = $self->get_column_abstract($table, $column); + if ($def->{TYPE} =~ /SERIAL/i) { + push(@sql, "DROP SEQUENCE ${table}_${column}_SEQ"); + push(@sql, "DROP TRIGGER ${table}_${column}_TR"); + } + return @sql; +} + sub get_rename_table_sql { my ($self, $old_name, $new_name) = @_; if (lc($old_name) eq lc($new_name)) { @@ -450,20 +498,4 @@ sub get_set_serial_sql { return @sql; } -sub get_drop_column_ddl { - my $self = shift; - my ($table, $column) = @_; - my @sql; - push(@sql, $self->SUPER::get_drop_column_ddl(@_)); - my $dbh=Bugzilla->dbh; - my $trigger_name = uc($table . "_" . $column); - my $exist_trigger = $dbh->selectcol_arrayref( - "SELECT OBJECT_NAME FROM USER_OBJECTS - WHERE OBJECT_NAME = ?", undef, $trigger_name); - if(@$exist_trigger) { - push(@sql, "DROP TRIGGER $trigger_name"); - } - return @sql; -} - 1; |