diff options
Diffstat (limited to 'activerecord/lib/active_record/connection_adapters')
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb index 799aafbd99..47e030e981 100644 --- a/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb +++ b/activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb @@ -293,6 +293,27 @@ module ActiveRecord result.rows.first.first end + # Sets the sequence of a table's primary key to the specified value. + def set_pk_sequence!(table, value, pk = nil, sequence = nil) #:nodoc: + unless pk and sequence + default_pk, default_sequence = pk_and_sequence_for(table) + pk ||= default_pk + sequence ||= default_sequence + end + + if pk + if sequence + quoted_sequence = quote_column_name(sequence) + + select_value <<-end_sql, 'SCHEMA' + SELECT setval('#{quoted_sequence}', #{value}) + end_sql + else + @logger.warn "#{table} has primary key #{pk} with no default sequence" if @logger + end + end + end + # Resets the sequence of a table's primary key to the maximum value. def reset_pk_sequence!(table, pk = nil, sequence = nil) #:nodoc: unless pk and sequence |