Bug 519584: Implement a framework for migrating from other bug-trackers, and start with a GNATS importer.

Patch by Max Kanat-Alexander <mkanat@bugzilla.org> (module owner) a=mkanat

3 files changed, 20 insertions, 0 deletions

diff --git a/Bugzilla/DB/Schema/Mysql.pm b/Bugzilla/DB/Schema/Mysql.pm
index 95ef3141e..a68c7c90d 100644
--- a/Bugzilla/DB/Schema/Mysql.pm
+++ b/Bugzilla/DB/Schema/Mysql.pm
@@ -263,6 +263,11 @@ sub get_rename_indexes_ddl {
     return ($sql);
 }
 
+sub get_set_serial_sql {
+    my ($self, $table, $column, $value) = @_;
+    return ("ALTER TABLE $table AUTO_INCREMENT = $value");
+}
+
 # Converts a DBI column_info output to an abstract column definition.
 # Expects to only be called by Bugzila::DB::Mysql::_bz_build_schema_from_disk,
 # although there's a chance that it will also work properly if called
diff --git a/Bugzilla/DB/Schema/Oracle.pm b/Bugzilla/DB/Schema/Oracle.pm
index 615987b06..814a842b3 100644
--- a/Bugzilla/DB/Schema/Oracle.pm
+++ b/Bugzilla/DB/Schema/Oracle.pm
@@ -403,4 +403,13 @@ sub _get_create_seq_ddl {
     return @ddl;
 }
 
+sub get_set_serial_sql { 
+    my ($self, $table, $column, $value) = @_; 
+    my @sql;
+    my $seq_name = "${table}_${column}_SEQ";
+    push(@sql, "DROP SEQUENCE ${seq_name}");
+    push(@sql, $self->_get_create_seq_ddl($table, $column, $value));       
+    return @sql;
+} 
+
 1;
diff --git a/Bugzilla/DB/Schema/Pg.pm b/Bugzilla/DB/Schema/Pg.pm
index 070c0b03e..3559bae9c 100644
--- a/Bugzilla/DB/Schema/Pg.pm
+++ b/Bugzilla/DB/Schema/Pg.pm
@@ -119,6 +119,12 @@ sub get_rename_table_sql {
     return ("ALTER TABLE $old_name RENAME TO $new_name");
 }
 
+sub get_set_serial_sql {
+    my ($self, $table, $column, $value) = @_;
+    return ("SELECT setval('${table}_${column}_seq', $value, false)
+               FROM $table");
+}
+
 sub _get_alter_type_sql {
     my ($self, $table, $column, $new_def, $old_def) = @_;
     my @statements;