diff options
Diffstat (limited to 'Bugzilla/DB/Schema/Mysql.pm')
| -rw-r--r-- | Bugzilla/DB/Schema/Mysql.pm | 571 |
1 files changed, 304 insertions, 267 deletions
diff --git a/Bugzilla/DB/Schema/Mysql.pm b/Bugzilla/DB/Schema/Mysql.pm index 7ff8ade9f..f552be115 100644 --- a/Bugzilla/DB/Schema/Mysql.pm +++ b/Bugzilla/DB/Schema/Mysql.pm @@ -21,7 +21,7 @@ use Bugzilla::Error; use parent qw(Bugzilla::DB::Schema); -# This is for column_info_to_column, to know when a tinyint is a +# This is for column_info_to_column, to know when a tinyint is a # boolean and when it's really a tinyint. This only has to be accurate # up to and through 2.19.3, because that's the only time we need # column_info_to_column. @@ -30,50 +30,59 @@ use parent qw(Bugzilla::DB::Schema); # that should be interpreted as a BOOLEAN instead of as an INT1 when # reading in the Schema from the disk. The values are discarded; I just # used "1" for simplicity. -# +# # THIS CONSTANT IS ONLY USED FOR UPGRADES FROM 2.18 OR EARLIER. DON'T # UPDATE IT TO MODERN COLUMN NAMES OR DEFINITIONS. use constant BOOLEAN_MAP => { - bugs => {everconfirmed => 1, reporter_accessible => 1, - cclist_accessible => 1, qacontact_accessible => 1, - assignee_accessible => 1}, - longdescs => {isprivate => 1, already_wrapped => 1}, - attachments => {ispatch => 1, isobsolete => 1, isprivate => 1}, - flags => {is_active => 1}, - flagtypes => {is_active => 1, is_requestable => 1, - is_requesteeble => 1, is_multiplicable => 1}, - fielddefs => {mailhead => 1, obsolete => 1}, - bug_status => {isactive => 1}, - resolution => {isactive => 1}, - bug_severity => {isactive => 1}, - priority => {isactive => 1}, - rep_platform => {isactive => 1}, - op_sys => {isactive => 1}, - profiles => {mybugslink => 1, newemailtech => 1}, - namedqueries => {linkinfooter => 1, watchfordiffs => 1}, - groups => {isbuggroup => 1, isactive => 1}, - group_control_map => {entry => 1, membercontrol => 1, othercontrol => 1, - canedit => 1}, - group_group_map => {isbless => 1}, - user_group_map => {isbless => 1, isderived => 1}, - products => {disallownew => 1}, - series => {public => 1}, - whine_queries => {onemailperbug => 1}, - quips => {approved => 1}, - setting => {is_enabled => 1} + bugs => { + everconfirmed => 1, + reporter_accessible => 1, + cclist_accessible => 1, + qacontact_accessible => 1, + assignee_accessible => 1 + }, + longdescs => {isprivate => 1, already_wrapped => 1}, + attachments => {ispatch => 1, isobsolete => 1, isprivate => 1}, + flags => {is_active => 1}, + flagtypes => { + is_active => 1, + is_requestable => 1, + is_requesteeble => 1, + is_multiplicable => 1 + }, + fielddefs => {mailhead => 1, obsolete => 1}, + bug_status => {isactive => 1}, + resolution => {isactive => 1}, + bug_severity => {isactive => 1}, + priority => {isactive => 1}, + rep_platform => {isactive => 1}, + op_sys => {isactive => 1}, + profiles => {mybugslink => 1, newemailtech => 1}, + namedqueries => {linkinfooter => 1, watchfordiffs => 1}, + groups => {isbuggroup => 1, isactive => 1}, + group_control_map => + {entry => 1, membercontrol => 1, othercontrol => 1, canedit => 1}, + group_group_map => {isbless => 1}, + user_group_map => {isbless => 1, isderived => 1}, + products => {disallownew => 1}, + series => {public => 1}, + whine_queries => {onemailperbug => 1}, + quips => {approved => 1}, + setting => {is_enabled => 1} }; # Maps the db_specific hash backwards, for use in column_info_to_column. use constant REVERSE_MAPPING => { - # Boolean and the SERIAL fields are handled in column_info_to_column, - # and so don't have an entry here. - TINYINT => 'INT1', - SMALLINT => 'INT2', - MEDIUMINT => 'INT3', - INTEGER => 'INT4', - - # All the other types have the same name in their abstract version - # as in their db-specific version, so no reverse mapping is needed. + + # Boolean and the SERIAL fields are handled in column_info_to_column, + # and so don't have an entry here. + TINYINT => 'INT1', + SMALLINT => 'INT2', + MEDIUMINT => 'INT3', + INTEGER => 'INT4', + + # All the other types have the same name in their abstract version + # as in their db-specific version, so no reverse mapping is needed. }; use constant MYISAM_TABLES => qw(bugs_fulltext); @@ -81,181 +90,196 @@ use constant MYISAM_TABLES => qw(bugs_fulltext); #------------------------------------------------------------------------------ sub _initialize { - my $self = shift; + my $self = shift; + + $self = $self->SUPER::_initialize(@_); - $self = $self->SUPER::_initialize(@_); + $self->{db_specific} = { - $self->{db_specific} = { + BOOLEAN => 'tinyint', + FALSE => '0', + TRUE => '1', - BOOLEAN => 'tinyint', - FALSE => '0', - TRUE => '1', + INT1 => 'tinyint', + INT2 => 'smallint', + INT3 => 'mediumint', + INT4 => 'integer', - INT1 => 'tinyint', - INT2 => 'smallint', - INT3 => 'mediumint', - INT4 => 'integer', + SMALLSERIAL => 'smallint auto_increment', + MEDIUMSERIAL => 'mediumint auto_increment', + INTSERIAL => 'integer auto_increment', - SMALLSERIAL => 'smallint auto_increment', - MEDIUMSERIAL => 'mediumint auto_increment', - INTSERIAL => 'integer auto_increment', + TINYTEXT => 'tinytext', + MEDIUMTEXT => 'mediumtext', + LONGTEXT => 'mediumtext', - TINYTEXT => 'tinytext', - MEDIUMTEXT => 'mediumtext', - LONGTEXT => 'mediumtext', + LONGBLOB => 'longblob', - LONGBLOB => 'longblob', + DATETIME => 'datetime', + DATE => 'date', + }; - DATETIME => 'datetime', - DATE => 'date', - }; + $self->_adjust_schema; - $self->_adjust_schema; + return $self; - return $self; +} #eosub--_initialize -} #eosub--_initialize #------------------------------------------------------------------------------ sub _get_create_table_ddl { - # Extend superclass method to specify the MYISAM storage engine. - # Returns a "create table" SQL statement. - my($self, $table) = @_; + # Extend superclass method to specify the MYISAM storage engine. + # Returns a "create table" SQL statement. - my $charset = Bugzilla->dbh->bz_db_is_utf8 ? "CHARACTER SET utf8" : ''; - my $type = grep($_ eq $table, MYISAM_TABLES) ? 'MYISAM' : 'InnoDB'; - return($self->SUPER::_get_create_table_ddl($table) - . " ENGINE = $type $charset"); + my ($self, $table) = @_; + + my $charset = Bugzilla->dbh->bz_db_is_utf8 ? "CHARACTER SET utf8" : ''; + my $type = grep($_ eq $table, MYISAM_TABLES) ? 'MYISAM' : 'InnoDB'; + return ( + $self->SUPER::_get_create_table_ddl($table) . " ENGINE = $type $charset"); + +} #eosub--_get_create_table_ddl -} #eosub--_get_create_table_ddl #------------------------------------------------------------------------------ sub _get_create_index_ddl { - # Extend superclass method to create FULLTEXT indexes on text fields. - # Returns a "create index" SQL statement. - my($self, $table_name, $index_name, $index_fields, $index_type) = @_; + # Extend superclass method to create FULLTEXT indexes on text fields. + # Returns a "create index" SQL statement. + + my ($self, $table_name, $index_name, $index_fields, $index_type) = @_; + + my $sql = "CREATE "; + $sql .= "$index_type " + if ($index_type eq 'UNIQUE' || $index_type eq 'FULLTEXT'); + $sql .= "INDEX \`$index_name\` ON $table_name \(" + . join(", ", @$index_fields) . "\)"; - my $sql = "CREATE "; - $sql .= "$index_type " if ($index_type eq 'UNIQUE' - || $index_type eq 'FULLTEXT'); - $sql .= "INDEX \`$index_name\` ON $table_name \(" . - join(", ", @$index_fields) . "\)"; + return ($sql); - return($sql); +} #eosub--_get_create_index_ddl -} #eosub--_get_create_index_ddl #-------------------------------------------------------------------- sub get_create_database_sql { - my ($self, $name) = @_; - # We only create as utf8 if we have no params (meaning we're doing - # a new installation) or if the utf8 param is on. - my $create_utf8 = Bugzilla->params->{'utf8'} - || !defined Bugzilla->params->{'utf8'}; - my $charset = $create_utf8 ? "CHARACTER SET utf8" : ''; - return ("CREATE DATABASE $name $charset"); + my ($self, $name) = @_; + + # We only create as utf8 if we have no params (meaning we're doing + # a new installation) or if the utf8 param is on. + my $create_utf8 + = Bugzilla->params->{'utf8'} || !defined Bugzilla->params->{'utf8'}; + my $charset = $create_utf8 ? "CHARACTER SET utf8" : ''; + return ("CREATE DATABASE $name $charset"); } # MySQL has a simpler ALTER TABLE syntax than ANSI. sub get_alter_column_ddl { - my ($self, $table, $column, $new_def, $set_nulls_to) = @_; - my $old_def = $self->get_column($table, $column); - my %new_def_copy = %$new_def; - if ($old_def->{PRIMARYKEY} && $new_def->{PRIMARYKEY}) { - # If a column stays a primary key do NOT specify PRIMARY KEY in the - # ALTER TABLE statement. This avoids a MySQL error that two primary - # keys are not allowed. - delete $new_def_copy{PRIMARYKEY}; - } - - my @statements; - - push(@statements, "UPDATE $table SET $column = $set_nulls_to - WHERE $column IS NULL") if defined $set_nulls_to; - - # Calling SET DEFAULT or DROP DEFAULT is *way* faster than calling - # CHANGE COLUMN, so just do that if we're just changing the default. - my %old_defaultless = %$old_def; - my %new_defaultless = %$new_def; - delete $old_defaultless{DEFAULT}; - delete $new_defaultless{DEFAULT}; - if (!$self->columns_equal($old_def, $new_def) - && $self->columns_equal(\%new_defaultless, \%old_defaultless)) - { - if (!defined $new_def->{DEFAULT}) { - push(@statements, - "ALTER TABLE $table ALTER COLUMN $column DROP DEFAULT"); - } - else { - push(@statements, "ALTER TABLE $table ALTER COLUMN $column - SET DEFAULT " . $new_def->{DEFAULT}); - } + my ($self, $table, $column, $new_def, $set_nulls_to) = @_; + my $old_def = $self->get_column($table, $column); + my %new_def_copy = %$new_def; + if ($old_def->{PRIMARYKEY} && $new_def->{PRIMARYKEY}) { + + # If a column stays a primary key do NOT specify PRIMARY KEY in the + # ALTER TABLE statement. This avoids a MySQL error that two primary + # keys are not allowed. + delete $new_def_copy{PRIMARYKEY}; + } + + my @statements; + + push( + @statements, "UPDATE $table SET $column = $set_nulls_to + WHERE $column IS NULL" + ) if defined $set_nulls_to; + + # Calling SET DEFAULT or DROP DEFAULT is *way* faster than calling + # CHANGE COLUMN, so just do that if we're just changing the default. + my %old_defaultless = %$old_def; + my %new_defaultless = %$new_def; + delete $old_defaultless{DEFAULT}; + delete $new_defaultless{DEFAULT}; + if (!$self->columns_equal($old_def, $new_def) + && $self->columns_equal(\%new_defaultless, \%old_defaultless)) + { + if (!defined $new_def->{DEFAULT}) { + push(@statements, "ALTER TABLE $table ALTER COLUMN $column DROP DEFAULT"); } else { - my $new_ddl = $self->get_type_ddl(\%new_def_copy); - push(@statements, "ALTER TABLE $table CHANGE COLUMN - $column $column $new_ddl"); - } - - if ($old_def->{PRIMARYKEY} && !$new_def->{PRIMARYKEY}) { - # Dropping a PRIMARY KEY needs an explicit DROP PRIMARY KEY - push(@statements, "ALTER TABLE $table DROP PRIMARY KEY"); + push( + @statements, "ALTER TABLE $table ALTER COLUMN $column + SET DEFAULT " . $new_def->{DEFAULT} + ); } - - return @statements; + } + else { + my $new_ddl = $self->get_type_ddl(\%new_def_copy); + push( + @statements, "ALTER TABLE $table CHANGE COLUMN + $column $column $new_ddl" + ); + } + + if ($old_def->{PRIMARYKEY} && !$new_def->{PRIMARYKEY}) { + + # Dropping a PRIMARY KEY needs an explicit DROP PRIMARY KEY + push(@statements, "ALTER TABLE $table DROP PRIMARY KEY"); + } + + return @statements; } sub get_drop_fk_sql { - my ($self, $table, $column, $references) = @_; - my $fk_name = $self->_get_fk_name($table, $column, $references); - my @sql = ("ALTER TABLE $table DROP FOREIGN KEY $fk_name"); - my $dbh = Bugzilla->dbh; - - # MySQL requires, and will create, an index on any column with - # an FK. It will name it after the fk, which we never do. - # So if there's an index named after the fk, we also have to delete it. - if ($dbh->bz_index_info_real($table, $fk_name)) { - push(@sql, $self->get_drop_index_ddl($table, $fk_name)); - } - - return @sql; + my ($self, $table, $column, $references) = @_; + my $fk_name = $self->_get_fk_name($table, $column, $references); + my @sql = ("ALTER TABLE $table DROP FOREIGN KEY $fk_name"); + my $dbh = Bugzilla->dbh; + + # MySQL requires, and will create, an index on any column with + # an FK. It will name it after the fk, which we never do. + # So if there's an index named after the fk, we also have to delete it. + if ($dbh->bz_index_info_real($table, $fk_name)) { + push(@sql, $self->get_drop_index_ddl($table, $fk_name)); + } + + return @sql; } sub get_drop_index_ddl { - my ($self, $table, $name) = @_; - return ("DROP INDEX \`$name\` ON $table"); + my ($self, $table, $name) = @_; + return ("DROP INDEX \`$name\` ON $table"); } # A special function for MySQL, for renaming a lot of indexes. -# Index renames is a hash, where the key is a string - the +# Index renames is a hash, where the key is a string - the # old names of the index, and the value is a hash - the index # definition that we're renaming to, with an extra key of "NAME" # that contains the new index name. # The indexes in %indexes must be in hashref format. sub get_rename_indexes_ddl { - my ($self, $table, %indexes) = @_; - my @keys = keys %indexes or return (); - - my $sql = "ALTER TABLE $table "; - - foreach my $old_name (@keys) { - my $name = $indexes{$old_name}->{NAME}; - my $type = $indexes{$old_name}->{TYPE}; - $type ||= 'INDEX'; - my $fields = join(',', @{$indexes{$old_name}->{FIELDS}}); - # $old_name needs to be escaped, sometimes, because it was - # a reserved word. - $old_name = '`' . $old_name . '`'; - $sql .= " ADD $type $name ($fields), DROP INDEX $old_name,"; - } - # Remove the last comma. - chop($sql); - return ($sql); + my ($self, $table, %indexes) = @_; + my @keys = keys %indexes or return (); + + my $sql = "ALTER TABLE $table "; + + foreach my $old_name (@keys) { + my $name = $indexes{$old_name}->{NAME}; + my $type = $indexes{$old_name}->{TYPE}; + $type ||= 'INDEX'; + my $fields = join(',', @{$indexes{$old_name}->{FIELDS}}); + + # $old_name needs to be escaped, sometimes, because it was + # a reserved word. + $old_name = '`' . $old_name . '`'; + $sql .= " ADD $type $name ($fields), DROP INDEX $old_name,"; + } + + # Remove the last comma. + chop($sql); + return ($sql); } sub get_set_serial_sql { - my ($self, $table, $column, $value) = @_; - return ("ALTER TABLE $table AUTO_INCREMENT = $value"); + my ($self, $table, $column, $value) = @_; + return ("ALTER TABLE $table AUTO_INCREMENT = $value"); } # Converts a DBI column_info output to an abstract column definition. @@ -263,124 +287,137 @@ sub get_set_serial_sql { # although there's a chance that it will also work properly if called # elsewhere. sub column_info_to_column { - my ($self, $column_info) = @_; - - # Unfortunately, we have to break Schema's normal "no database" - # barrier a few times in this function. - my $dbh = Bugzilla->dbh; - - my $table = $column_info->{TABLE_NAME}; - my $col_name = $column_info->{COLUMN_NAME}; - - my $column = {}; - - ($column->{NOTNULL} = 1) if $column_info->{NULLABLE} == 0; - - if ($column_info->{mysql_is_pri_key}) { - # In MySQL, if a table has no PK, but it has a UNIQUE index, - # that index will show up as the PK. So we have to eliminate - # that possibility. - # Unfortunately, the only way to definitely solve this is - # to break Schema's standard of not touching the live database - # and check if the index called PRIMARY is on that field. - my $pri_index = $dbh->bz_index_info_real($table, 'PRIMARY'); - if ( $pri_index && grep($_ eq $col_name, @{$pri_index->{FIELDS}}) ) { - $column->{PRIMARYKEY} = 1; - } - } + my ($self, $column_info) = @_; - # MySQL frequently defines a default for a field even when we - # didn't explicitly set one. So we have to have some special - # hacks to determine whether or not we should actually put - # a default in the abstract schema for this field. - if (defined $column_info->{COLUMN_DEF}) { - # The defaults that MySQL inputs automatically are usually - # something that would be considered "false" by perl, either - # a 0 or an empty string. (Except for datetime and decimal - # fields, which have their own special auto-defaults.) - # - # Here's how we handle this: If it exists in the schema - # without a default, then we don't use the default. If it - # doesn't exist in the schema, then we're either going to - # be dropping it soon, or it's a custom end-user column, in which - # case having a bogus default won't harm anything. - my $schema_column = $self->get_column($table, $col_name); - unless ( (!$column_info->{COLUMN_DEF} - || $column_info->{COLUMN_DEF} eq '0000-00-00 00:00:00' - || $column_info->{COLUMN_DEF} eq '0.00') - && $schema_column - && !exists $schema_column->{DEFAULT}) { - - my $default = $column_info->{COLUMN_DEF}; - # Schema uses '0' for the defaults for decimal fields. - $default = 0 if $default =~ /^0\.0+$/; - # If we're not a number, we're a string and need to be - # quoted. - $default = $dbh->quote($default) if !($default =~ /^(-)?([0-9]+)(\.[0-9]+)?$/); - $column->{DEFAULT} = $default; - } - } + # Unfortunately, we have to break Schema's normal "no database" + # barrier a few times in this function. + my $dbh = Bugzilla->dbh; - my $type = $column_info->{TYPE_NAME}; + my $table = $column_info->{TABLE_NAME}; + my $col_name = $column_info->{COLUMN_NAME}; - # Certain types of columns need the size/precision appended. - if ($type =~ /CHAR$/ || $type eq 'DECIMAL') { - # This is nicely lowercase and has the size/precision appended. - $type = $column_info->{mysql_type_name}; - } + my $column = {}; - # If we're a tinyint, we could be either a BOOLEAN or an INT1. - # Only the BOOLEAN_MAP knows the difference. - elsif ($type eq 'TINYINT' && exists BOOLEAN_MAP->{$table} - && exists BOOLEAN_MAP->{$table}->{$col_name}) { - $type = 'BOOLEAN'; - if (exists $column->{DEFAULT}) { - $column->{DEFAULT} = $column->{DEFAULT} ? 'TRUE' : 'FALSE'; - } - } + ($column->{NOTNULL} = 1) if $column_info->{NULLABLE} == 0; - # We also need to check if we're an auto_increment field. - elsif ($type =~ /INT/) { - # Unfortunately, the only way to do this in DBI is to query the - # database, so we have to break the rule here that Schema normally - # doesn't touch the live DB. - my $ref_sth = $dbh->prepare( - "SELECT $col_name FROM $table LIMIT 1"); - $ref_sth->execute; - if ($ref_sth->{mysql_is_auto_increment}->[0]) { - if ($type eq 'MEDIUMINT') { - $type = 'MEDIUMSERIAL'; - } - elsif ($type eq 'SMALLINT') { - $type = 'SMALLSERIAL'; - } - else { - $type = 'INTSERIAL'; - } - } - $ref_sth->finish; + if ($column_info->{mysql_is_pri_key}) { + # In MySQL, if a table has no PK, but it has a UNIQUE index, + # that index will show up as the PK. So we have to eliminate + # that possibility. + # Unfortunately, the only way to definitely solve this is + # to break Schema's standard of not touching the live database + # and check if the index called PRIMARY is on that field. + my $pri_index = $dbh->bz_index_info_real($table, 'PRIMARY'); + if ($pri_index && grep($_ eq $col_name, @{$pri_index->{FIELDS}})) { + $column->{PRIMARYKEY} = 1; } + } + + # MySQL frequently defines a default for a field even when we + # didn't explicitly set one. So we have to have some special + # hacks to determine whether or not we should actually put + # a default in the abstract schema for this field. + if (defined $column_info->{COLUMN_DEF}) { + + # The defaults that MySQL inputs automatically are usually + # something that would be considered "false" by perl, either + # a 0 or an empty string. (Except for datetime and decimal + # fields, which have their own special auto-defaults.) + # + # Here's how we handle this: If it exists in the schema + # without a default, then we don't use the default. If it + # doesn't exist in the schema, then we're either going to + # be dropping it soon, or it's a custom end-user column, in which + # case having a bogus default won't harm anything. + my $schema_column = $self->get_column($table, $col_name); + unless ( + ( + !$column_info->{COLUMN_DEF} + || $column_info->{COLUMN_DEF} eq '0000-00-00 00:00:00' + || $column_info->{COLUMN_DEF} eq '0.00' + ) + && $schema_column + && !exists $schema_column->{DEFAULT} + ) + { - # For all other db-specific types, check if they exist in - # REVERSE_MAPPING and use the type found there. - if (exists REVERSE_MAPPING->{$type}) { - $type = REVERSE_MAPPING->{$type}; + my $default = $column_info->{COLUMN_DEF}; + + # Schema uses '0' for the defaults for decimal fields. + $default = 0 if $default =~ /^0\.0+$/; + + # If we're not a number, we're a string and need to be + # quoted. + $default = $dbh->quote($default) if !($default =~ /^(-)?([0-9]+)(\.[0-9]+)?$/); + $column->{DEFAULT} = $default; + } + } + + my $type = $column_info->{TYPE_NAME}; + + # Certain types of columns need the size/precision appended. + if ($type =~ /CHAR$/ || $type eq 'DECIMAL') { + + # This is nicely lowercase and has the size/precision appended. + $type = $column_info->{mysql_type_name}; + } + + # If we're a tinyint, we could be either a BOOLEAN or an INT1. + # Only the BOOLEAN_MAP knows the difference. + elsif ($type eq 'TINYINT' + && exists BOOLEAN_MAP->{$table} + && exists BOOLEAN_MAP->{$table}->{$col_name}) + { + $type = 'BOOLEAN'; + if (exists $column->{DEFAULT}) { + $column->{DEFAULT} = $column->{DEFAULT} ? 'TRUE' : 'FALSE'; + } + } + + # We also need to check if we're an auto_increment field. + elsif ($type =~ /INT/) { + + # Unfortunately, the only way to do this in DBI is to query the + # database, so we have to break the rule here that Schema normally + # doesn't touch the live DB. + my $ref_sth = $dbh->prepare("SELECT $col_name FROM $table LIMIT 1"); + $ref_sth->execute; + if ($ref_sth->{mysql_is_auto_increment}->[0]) { + if ($type eq 'MEDIUMINT') { + $type = 'MEDIUMSERIAL'; + } + elsif ($type eq 'SMALLINT') { + $type = 'SMALLSERIAL'; + } + else { + $type = 'INTSERIAL'; + } } + $ref_sth->finish; - $column->{TYPE} = $type; + } - #print "$table.$col_name: " . Data::Dumper->Dump([$column]) . "\n"; + # For all other db-specific types, check if they exist in + # REVERSE_MAPPING and use the type found there. + if (exists REVERSE_MAPPING->{$type}) { + $type = REVERSE_MAPPING->{$type}; + } - return $column; + $column->{TYPE} = $type; + + #print "$table.$col_name: " . Data::Dumper->Dump([$column]) . "\n"; + + return $column; } sub get_rename_column_ddl { - my ($self, $table, $old_name, $new_name) = @_; - my $def = $self->get_type_ddl($self->get_column($table, $old_name)); - # MySQL doesn't like having the PRIMARY KEY statement in a rename. - $def =~ s/PRIMARY KEY//i; - return ("ALTER TABLE $table CHANGE COLUMN $old_name $new_name $def"); + my ($self, $table, $old_name, $new_name) = @_; + my $def = $self->get_type_ddl($self->get_column($table, $old_name)); + + # MySQL doesn't like having the PRIMARY KEY statement in a rename. + $def =~ s/PRIMARY KEY//i; + return ("ALTER TABLE $table CHANGE COLUMN $old_name $new_name $def"); } 1; |