"REFERENCES #{reftbl} (#{quote_column_names(refcol || column_name)})"
end
+ def remove_foreign_key(table_name, column_name, reftbl, refcol = nil)
+ execute "ALTER TABLE #{table_name} DROP " +
+ "CONSTRAINT #{table_name}_#{column_name[0]}_fkey"
+ end
+
alias_method :old_options_include_default?, :options_include_default?
def options_include_default?(options)
types = old_native_database_types
types[:bigint] = { :name => "bigint", :limit => 20 }
types[:double] = { :name => "double" }
+ types[:integer_pk] = { :name => "integer DEFAULT NULL auto_increment PRIMARY KEY" }
types[:bigint_pk] = { :name => "bigint(20) DEFAULT NULL auto_increment PRIMARY KEY" }
types[:bigint_pk_64] = { :name => "bigint(64) DEFAULT NULL auto_increment PRIMARY KEY" }
types[:bigint_auto_64] = { :name => "bigint(64) DEFAULT NULL auto_increment" }
types[:bigint_auto_11] = { :name => "bigint(11) DEFAULT NULL auto_increment" }
types[:bigint_auto_20] = { :name => "bigint(20) DEFAULT NULL auto_increment" }
- types[:four_byte_unsigned] = { :name=> "integer unsigned NOT NULL" }
+ types[:four_byte_unsigned] = { :name=> "integer unsigned" }
+ types[:inet] = { :name=> "integer unsigned" }
types
end
end
def alter_column_nwr_enum (table_name, column)
- execute "alter table #{table_name} change column #{column} #{column} enum('node','way','relation');"
+ execute "alter table #{table_name} change column #{column} #{column} enum('Node','Way','Relation');"
end
def alter_primary_key(table_name, new_columns)
execute("alter table #{table_name} drop primary key, add primary key (#{new_columns.join(',')})")
end
+
+ def interval_constant(interval)
+ "'#{interval}'"
+ end
end
class PostgreSQLAdapter
def native_database_types
types = old_native_database_types
types[:double] = { :name => "double precision" }
+ types[:integer_pk] = { :name => "serial PRIMARY KEY" }
types[:bigint_pk] = { :name => "bigserial PRIMARY KEY" }
types[:bigint_pk_64] = { :name => "bigserial PRIMARY KEY" }
types[:bigint_auto_64] = { :name => "bigint" } #fixme: need autoincrement?
types[:bigint_auto_11] = { :name => "bigint" } #fixme: need autoincrement?
types[:bigint_auto_20] = { :name => "bigint" } #fixme: need autoincrement?
types[:four_byte_unsigned] = { :name => "bigint" } # meh
+ types[:inet] = { :name=> "inet" }
types
end
def alter_column_nwr_enum (table_name, column)
response = select_one("select count(*) as count from pg_type where typname = 'nwr_enum'")
if response['count'] == "0" #yep, as a string
- execute "create type nwr_enum as ENUM ('node', 'way', 'relation')"
+ execute "create type nwr_enum as ENUM ('Node', 'Way', 'Relation')"
end
execute "alter table #{table_name} drop #{column}"
execute "alter table #{table_name} add #{column} nwr_enum"
def alter_primary_key(table_name, new_columns)
execute "alter table #{table_name} drop constraint #{table_name}_pkey; alter table #{table_name} add primary key (#{new_columns.join(',')})"
end
+
+ def interval_constant(interval)
+ "'#{interval}'::interval"
+ end
+
+ def add_index(table_name, column_name, options = {})
+ column_names = Array(column_name)
+ index_name = index_name(table_name, :column => column_names)
+
+ if Hash === options # legacy support, since this param was a string
+ index_type = options[:unique] ? "UNIQUE" : ""
+ index_name = options[:name] || index_name
+ index_method = options[:method] || "BTREE"
+ else
+ index_type = options
+ end
+ quoted_column_names = column_names.map { |e| quote_column_name(e) }.join(", ")
+ execute "CREATE #{index_type} INDEX #{quote_column_name(index_name)} ON #{quote_table_name(table_name)} USING #{index_method} (#{quoted_column_names})"
+ end
end
end
end