"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[:bigint_auto_20] = { :name => "bigint(20) DEFAULT NULL auto_increment" }
types[:four_byte_unsigned] = { :name=> "integer unsigned" }
types[:inet] = { :name=> "integer unsigned" }
+
+ enumerations.each do |e,v|
+ types[e.to_sym]= { :name => "enum('#{v.join '\',\''}')" }
+ end
+
types
end
execute "CREATE FULLTEXT INDEX `#{table_name}_#{column}_idx` ON `#{table_name}` (`#{column}`)"
end
- def alter_column_nwr_enum (table_name, column)
- execute "alter table #{table_name} change column #{column} #{column} enum('Node','Way','Relation');"
+ def enumerations
+ @enumerations ||= Hash.new
+ end
+
+ def create_enumeration (enumeration_name, values)
+ enumerations[enumeration_name] = values
+ end
+
+ def drop_enumeration (enumeration_name)
+ enumerations.delete(enumeration_name)
end
def alter_primary_key(table_name, new_columns)
types[:bigint_auto_20] = { :name => "bigint" } #fixme: need autoincrement?
types[:four_byte_unsigned] = { :name => "bigint" } # meh
types[:inet] = { :name=> "inet" }
+
+ enumerations.each_key do |e|
+ types[e.to_sym]= { :name => e }
+ end
+
types
end
execute "CREATE INDEX #{table_name}_#{column}_idx on #{table_name} (#{column})"
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')"
- end
- execute "alter table #{table_name} drop #{column}"
- execute "alter table #{table_name} add #{column} nwr_enum"
+ def enumerations
+ @enumerations ||= Hash.new
+ end
+
+ def create_enumeration (enumeration_name, values)
+ enumerations[enumeration_name] = values
+ execute "create type #{enumeration_name} as enum ('#{values.join '\',\''}')"
+ end
+
+ def drop_enumeration (enumeration_name)
+ execute "drop type #{enumeration_name}"
+ enumerations.delete(enumeration_name)
end
def alter_primary_key(table_name, new_columns)
else
index_type = options
end
- quoted_column_names = column_names.map { |e| quote_column_name(e) }.join(", ")
+
+ quoted_column_names = column_names.map { |e| quote_column_name(e) }
+ if Hash === options and options[:lowercase]
+ quoted_column_names = quoted_column_names.map { |e| "LOWER(#{e})" }
+ end
+ quoted_column_names = quoted_column_names.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