module Sequel::SqlAnywhere::DatabaseMethods

Constants

AUTO_INCREMENT
DATABASE_ERROR_REGEXPS
DECIMAL_TYPE_RE
SMALLINT_RE
SQL_BEGIN
SQL_COMMIT
SQL_ROLLBACK
TEMPORARY

Attributes

conversion_procs[R]
convert_smallint_to_bool[W]

Override the default Sequel::SqlAnywhere.convert_smallint_to_bool setting for this database.

Public Instance Methods

convert_smallint_to_bool() click to toggle source

Whether to convert smallint to boolean arguments for this dataset. Defaults to the SqlAnywhere module setting.

# File lib/sequel/adapters/shared/sqlanywhere.rb, line 38
def convert_smallint_to_bool
  defined?(@convert_smallint_to_bool) ? @convert_smallint_to_bool : (@convert_smallint_to_bool = ::Sequel::SqlAnywhere.convert_smallint_to_bool)
end
database_type() click to toggle source

Sysbase Server uses the :sqlanywhere type.

# File lib/sequel/adapters/shared/sqlanywhere.rb, line 43
def database_type
  :sqlanywhere
end
foreign_key_list(table, opts=OPTS) click to toggle source
# File lib/sequel/adapters/shared/sqlanywhere.rb, line 111
def foreign_key_list(table, opts=OPTS)
  m = output_identifier_meth
  im = input_identifier_meth
  fk_indexes = {}
  metadata_dataset.
   from{sys[:sysforeignkey].as(:fk)}.
   select{[
     fk[:role].as(:name),
     fks[:columns].as(:column_map),
     si[:indextype].as(:type),
     si[:colnames].as(:columns),
     fks[:primary_tname].as(:table_name)]}.
   join(Sequel[:sys][:sysforeignkeys].as(:fks), :role => :role).
   join(Sequel[:sys][:sysindexes].as(:si), {:iname => Sequel[:fk][:role]}, {:implicit_qualifier => :fk}).
   where{{fks[:foreign_tname]=>im.call(table)}}.
   each do |r|
    unless r[:type].downcase == 'primary key'
      fk_indexes[r[:name]] =
        {:name=>m.call(r[:name]),
         :columns=>r[:columns].split(',').map{|v| m.call(v.split(' ').first)},
         :table=>m.call(r[:table_name]),
         :key=>r[:column_map].split(',').map{|v| m.call(v.split(' IS ').last)}}
    end
  end
  fk_indexes.values
end
freeze() click to toggle source
# File lib/sequel/adapters/shared/sqlanywhere.rb, line 47
def freeze
  convert_smallint_to_bool
  @conversion_procs.freeze
  super
end
indexes(table, opts = OPTS) click to toggle source
# File lib/sequel/adapters/shared/sqlanywhere.rb, line 89
def indexes(table, opts = OPTS)
  m = output_identifier_meth
  im = input_identifier_meth
  indexes = {}
  metadata_dataset.
   from(Sequel[:dbo][:sysobjects].as(:z)).
   select{[
     z[:name].as(:table_name),
     i[:name].as(:index_name),
     si[:indextype].as(:type),
     si[:colnames].as(:columns)]}.
   join(Sequel[:dbo][:sysindexes].as(:i), :id=>:id).
   join(Sequel[:sys][:sysindexes].as(:si), :iname=> :name).
   where{{z[:type] => 'U', :table_name=>im.call(table)}}.
   each do |r|
    indexes[m.call(r[:index_name])] =
      {:unique=>(r[:type].downcase=='unique'),
       :columns=>r[:columns].split(',').map{|v| m.call(v.split(' ').first)}} unless r[:type].downcase == 'primary key'
  end
  indexes
end
schema_column_type(db_type) click to toggle source

Convert smallint type to boolean if #convert_smallint_to_bool is true

# File lib/sequel/adapters/shared/sqlanywhere.rb, line 58
def schema_column_type(db_type)
  if convert_smallint_to_bool && db_type =~ /smallint/
    :boolean
  else
    super
  end
end
schema_parse_table(table, opts) click to toggle source
# File lib/sequel/adapters/shared/sqlanywhere.rb, line 66
def schema_parse_table(table, opts)
  m = output_identifier_meth(opts[:dataset])
  im = input_identifier_meth(opts[:dataset])
  metadata_dataset.
   from{sa_describe_query("select * from #{im.call(table)}").as(:a)}.
   join(Sequel[:syscolumn].as(:b), :table_id=>:base_table_id, :column_id=>:base_column_id).
   order{a[:column_number]}.
   map do |row|
    auto_increment = row.delete(:is_autoincrement)
    row[:auto_increment] = auto_increment == 1 || auto_increment == true
    row[:primary_key] = row.delete(:pkey) == 'Y'
    row[:allow_null] = row[:nulls_allowed].is_a?(Integer) ? row.delete(:nulls_allowed) == 1 : row.delete(:nulls_allowed)
    row[:db_type] = row.delete(:domain_name)
    row[:type] = if row[:db_type] =~ /numeric/ and (row[:scale].is_a?(Integer) ? row[:scale] == 0 : !row[:scale])
      :integer
    else
      schema_column_type(row[:db_type])
    end
    row[:max_length] = row[:width] if row[:type] == :string
    [m.call(row.delete(:name)), row]
  end
end
tables(opts=OPTS) click to toggle source
# File lib/sequel/adapters/shared/sqlanywhere.rb, line 138
def tables(opts=OPTS)
  tables_and_views('U', opts)
end
to_application_timestamp_sa(v) click to toggle source
# File lib/sequel/adapters/shared/sqlanywhere.rb, line 53
def to_application_timestamp_sa(v)
  to_application_timestamp(v.to_s) if v
end
views(opts=OPTS) click to toggle source
# File lib/sequel/adapters/shared/sqlanywhere.rb, line 142
def views(opts=OPTS)
  tables_and_views('V', opts)
end