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authorFrédéric Buclin <LpSolit@gmail.com>2011-12-26 11:34:25 +0100
committerFrédéric Buclin <LpSolit@gmail.com>2011-12-26 11:34:25 +0100
commit3c0d1a4c8be3893f358ab932b0c8bb5d5bce8973 (patch)
tree4bc14af73fa132dddd88517118b3d5c66f9c211e /Bugzilla
parent17a51b0772e8c6ccd43e46cb78a84122c6364d5f (diff)
downloadbugzilla-3c0d1a4c8be3893f358ab932b0c8bb5d5bce8973.tar.gz
bugzilla-3c0d1a4c8be3893f358ab932b0c8bb5d5bce8973.tar.xz
Bug 683644: Foreign keys aren't renamed correctly when DB tables are renamed
r=wicked a=LpSolit
Diffstat (limited to 'Bugzilla')
-rw-r--r--Bugzilla/DB.pm14
-rw-r--r--Bugzilla/DB/Oracle.pm4
-rw-r--r--Bugzilla/DB/Pg.pm34
-rw-r--r--Bugzilla/DB/Schema/Oracle.pm65
-rw-r--r--Bugzilla/DB/Schema/Pg.pm25
-rw-r--r--Bugzilla/Install/DB.pm7
6 files changed, 120 insertions, 29 deletions
diff --git a/Bugzilla/DB.pm b/Bugzilla/DB.pm
index 083a1c208..0c841632f 100644
--- a/Bugzilla/DB.pm
+++ b/Bugzilla/DB.pm
@@ -548,7 +548,7 @@ sub bz_setup_foreign_keys {
# prior to 4.2, and also to handle problems caused
# by enabling an extension pre-4.2, disabling it for
# the 4.2 upgrade, and then re-enabling it later.
- if (!$fk) {
+ unless ($fk && $fk->{created}) {
my $standard_def =
$self->_bz_schema->get_column_abstract($table, $column);
if (exists $standard_def->{REFERENCES}) {
@@ -1058,6 +1058,18 @@ sub bz_rename_table {
my $new = $self->bz_table_info($new_name);
ThrowCodeError('db_rename_conflict', { old => $old_name,
new => $new_name }) if $new;
+
+ # FKs will all have the wrong names unless we drop and then let them
+ # be re-created later. Under normal circumstances, checksetup.pl will
+ # automatically re-create these dropped FKs at the end of its DB upgrade
+ # run, so we don't need to re-create them in this method.
+ my @columns = $self->bz_table_columns($old_name);
+ foreach my $column (@columns) {
+ # these just return silently if there's no FK to drop
+ $self->bz_drop_fk($old_name, $column);
+ $self->bz_drop_related_fks($old_name, $column);
+ }
+
my @sql = $self->_bz_real_schema->get_rename_table_sql($old_name, $new_name);
print get_text('install_table_rename',
{ old => $old_name, new => $new_name }) . "\n"
diff --git a/Bugzilla/DB/Oracle.pm b/Bugzilla/DB/Oracle.pm
index 711b84141..2cbd19a82 100644
--- a/Bugzilla/DB/Oracle.pm
+++ b/Bugzilla/DB/Oracle.pm
@@ -648,6 +648,10 @@ sub bz_setup_database {
my $fk_name = $self->_bz_schema->_get_fk_name($table,
$column,
$references);
+ # bz_rename_table didn't rename the trigger correctly.
+ if ($table eq 'bug_tag' && $to_table eq 'tags') {
+ $to_table = 'tag';
+ }
if ( $update =~ /CASCADE/i ){
my $trigger_name = uc($fk_name . "_UC");
my $exist_trigger = $self->selectcol_arrayref(
diff --git a/Bugzilla/DB/Pg.pm b/Bugzilla/DB/Pg.pm
index e59a638a4..b6be64011 100644
--- a/Bugzilla/DB/Pg.pm
+++ b/Bugzilla/DB/Pg.pm
@@ -282,14 +282,18 @@ END
$self->bz_add_index('products', 'products_name_lower_idx',
{FIELDS => ['LOWER(name)'], TYPE => 'UNIQUE'});
- # bz_rename_column didn't correctly rename the sequence.
- if ($self->bz_column_info('fielddefs', 'id')
- && $self->bz_sequence_exists('fielddefs_fieldid_seq'))
- {
- print "Fixing fielddefs_fieldid_seq sequence...\n";
- $self->do("ALTER TABLE fielddefs_fieldid_seq RENAME TO fielddefs_id_seq");
- $self->do("ALTER TABLE fielddefs ALTER COLUMN id
- SET DEFAULT NEXTVAL('fielddefs_id_seq')");
+ # bz_rename_column and bz_rename_table didn't correctly rename
+ # the sequence.
+ $self->_fix_bad_sequence('fielddefs', 'id', 'fielddefs_fieldid_seq', 'fielddefs_id_seq');
+ # If the 'tags' table still exists, then bz_rename_table()
+ # will fix the sequence for us.
+ if (!$self->bz_table_info('tags')) {
+ my $res = $self->_fix_bad_sequence('tag', 'id', 'tags_id_seq', 'tag_id_seq');
+ # If $res is true, then the sequence has been renamed, meaning that
+ # the primary key must be renamed too.
+ if ($res) {
+ $self->do('ALTER INDEX tags_pkey RENAME TO tag_pkey');
+ }
}
# Certain sequences got upgraded before we required Pg 8.3, and
@@ -320,6 +324,20 @@ END
}
}
+sub _fix_bad_sequence {
+ my ($self, $table, $column, $old_seq, $new_seq) = @_;
+ if ($self->bz_column_info($table, $column)
+ && $self->bz_sequence_exists($old_seq))
+ {
+ print "Fixing $old_seq sequence...\n";
+ $self->do("ALTER SEQUENCE $old_seq RENAME TO $new_seq");
+ $self->do("ALTER TABLE $table ALTER COLUMN $column
+ SET DEFAULT NEXTVAL('$new_seq')");
+ return 1;
+ }
+ return 0;
+}
+
# Renames things that differ only in case.
sub _fix_case_differences {
my ($table, $field) = @_;
diff --git a/Bugzilla/DB/Schema/Oracle.pm b/Bugzilla/DB/Schema/Oracle.pm
index 6011cecfc..cdc39409d 100644
--- a/Bugzilla/DB/Schema/Oracle.pm
+++ b/Bugzilla/DB/Schema/Oracle.pm
@@ -351,17 +351,10 @@ sub get_rename_column_ddl {
my $def = $self->get_column_abstract($table, $old_name);
if ($def->{TYPE} =~ /SERIAL/i) {
# We have to rename the series also, and fix the default of the series.
- push(@sql, "RENAME ${table}_${old_name}_SEQ TO
- ${table}_${new_name}_seq");
- my $serial_sql =
- "CREATE OR REPLACE TRIGGER ${table}_${new_name}_TR "
- . " BEFORE INSERT ON ${table} "
- . " FOR EACH ROW "
- . " BEGIN "
- . " SELECT ${table}_${new_name}_SEQ.NEXTVAL "
- . " INTO :NEW.${new_name} FROM DUAL; "
- . " END;";
- push(@sql, $serial_sql);
+ my $old_seq = "${table}_${old_name}_SEQ";
+ my $new_seq = "${table}_${new_name}_SEQ";
+ push(@sql, "RENAME $old_seq TO $new_seq");
+ push(@sql, $self->_get_create_trigger_ddl($table, $new_name, $new_seq));
push(@sql, "DROP TRIGGER ${table}_${old_name}_TR");
}
if ($def->{TYPE} =~ /varchar|text/i && $def->{NOTNULL} ) {
@@ -371,6 +364,35 @@ sub get_rename_column_ddl {
return @sql;
}
+sub get_rename_table_sql {
+ my ($self, $old_name, $new_name) = @_;
+ if (lc($old_name) eq lc($new_name)) {
+ # if the only change is a case change, return an empty list.
+ return ();
+ }
+
+ my @sql = ("ALTER TABLE $old_name RENAME TO $new_name");
+ my @columns = $self->get_table_columns($old_name);
+ foreach my $column (@columns) {
+ my $def = $self->get_column_abstract($old_name, $column);
+ if ($def->{TYPE} =~ /SERIAL/i) {
+ # If there's a SERIAL column on this table, we also need
+ # to rename the sequence.
+ my $old_seq = "${old_name}_${column}_SEQ";
+ my $new_seq = "${new_name}_${column}_SEQ";
+ push(@sql, "RENAME $old_seq TO $new_seq");
+ push(@sql, $self->_get_create_trigger_ddl($new_name, $column, $new_seq));
+ push(@sql, "DROP TRIGGER ${old_name}_${column}_TR");
+ }
+ if ($def->{TYPE} =~ /varchar|text/i && $def->{NOTNULL}) {
+ push(@sql, _get_notnull_trigger_ddl($new_name, $column));
+ push(@sql, "DROP TRIGGER ${$old_name}_${column}");
+ }
+ }
+
+ return @sql;
+}
+
sub _get_notnull_trigger_ddl {
my ($table, $column) = @_;
@@ -398,19 +420,24 @@ sub _get_create_seq_ddl {
. " NOMAXVALUE "
. " NOCYCLE "
. " NOCACHE";
- my $serial_sql = "CREATE OR REPLACE TRIGGER ${table}_${column}_TR "
- . " BEFORE INSERT ON ${table} "
- . " FOR EACH ROW "
- . " BEGIN "
- . " SELECT ${seq_name}.NEXTVAL "
- . " INTO :NEW.${column} FROM DUAL; "
- . " END;";
push (@ddl, $seq_sql);
- push (@ddl, $serial_sql);
+ push(@ddl, $self->_get_create_trigger_ddl($table, $column, $seq_name));
return @ddl;
}
+sub _get_create_trigger_ddl {
+ my ($self, $table, $column, $seq_name) = @_;
+ my $serial_sql = "CREATE OR REPLACE TRIGGER ${table}_${column}_TR "
+ . " BEFORE INSERT ON $table "
+ . " FOR EACH ROW "
+ . " BEGIN "
+ . " SELECT ${seq_name}.NEXTVAL "
+ . " INTO :NEW.$column FROM DUAL; "
+ . " END;";
+ return $serial_sql;
+}
+
sub get_set_serial_sql {
my ($self, $table, $column, $value) = @_;
my @sql;
diff --git a/Bugzilla/DB/Schema/Pg.pm b/Bugzilla/DB/Schema/Pg.pm
index 517837dcc..ef6e5671d 100644
--- a/Bugzilla/DB/Schema/Pg.pm
+++ b/Bugzilla/DB/Schema/Pg.pm
@@ -114,7 +114,30 @@ sub get_rename_table_sql {
# is case-insensitive and will return an error about a duplicate name
return ();
}
- return ("ALTER TABLE $old_name RENAME TO $new_name");
+
+ my @sql = ("ALTER TABLE $old_name RENAME TO $new_name");
+
+ # If there's a SERIAL column on this table, we also need to rename the
+ # sequence.
+ # If there is a PRIMARY KEY, we need to rename it too.
+ my @columns = $self->get_table_columns($old_name);
+ foreach my $column (@columns) {
+ my $def = $self->get_column_abstract($old_name, $column);
+ if ($def->{TYPE} =~ /SERIAL/i) {
+ my $old_seq = "${old_name}_${column}_seq";
+ my $new_seq = "${new_name}_${column}_seq";
+ push(@sql, "ALTER SEQUENCE $old_seq RENAME TO $new_seq");
+ push(@sql, "ALTER TABLE $new_name ALTER COLUMN $column
+ SET DEFAULT NEXTVAL('$new_seq')");
+ }
+ if ($def->{PRIMARYKEY}) {
+ my $old_pk = "${old_name}_pkey";
+ my $new_pk = "${new_name}_pkey";
+ push(@sql, "ALTER INDEX $old_pk RENAME to $new_pk");
+ }
+ }
+
+ return @sql;
}
sub get_set_serial_sql {
diff --git a/Bugzilla/Install/DB.pm b/Bugzilla/Install/DB.pm
index b98b88077..adff55915 100644
--- a/Bugzilla/Install/DB.pm
+++ b/Bugzilla/Install/DB.pm
@@ -3607,6 +3607,13 @@ sub _rename_tags_to_tag {
$dbh->bz_add_index('tag', 'tag_user_id_idx',
{FIELDS => [qw(user_id name)], TYPE => 'UNIQUE'});
}
+ if (my $bug_tag_fk = $dbh->bz_fk_info('bug_tag', 'tag_id')) {
+ # bz_rename_table() didn't handle FKs correctly.
+ if ($bug_tag_fk->{TABLE} eq 'tags') {
+ $bug_tag_fk->{TABLE} = 'tag';
+ $dbh->bz_alter_fk('bug_tag', 'tag_id', $bug_tag_fk);
+ }
+ }
}
sub _on_delete_set_null_for_audit_log_userid {