Module: DbAgile::SequelAdapter::Data::TableDriven

Included in:
DbAgile::SequelAdapter
Defined in:
lib/dbagile/adapter/sequel/data/table_driven.rb

Instance Method Summary collapse

Instance Method Details

#dataset(table, proj = nil) ⇒ Object

See Also:



7
8
9
10
11
12
13
14
15
16
 
# File 'lib/dbagile/adapter/sequel/data/table_driven.rb', line 7

def dataset(table, proj = nil)
  result = case table
    when Symbol
      (proj.nil? or proj.empty?) ? db[table] : db[table].where(proj)
    else
      (proj.nil? or proj.empty?) ? db[table] : db[table].where(proj)
  end
  result.extend(::DbAgile::Contract::Data::Dataset)
  result
end

#exists?(table_or_query, subtuple = {}) ⇒ Boolean

Returns:

  • (Boolean)

See Also:



19
20
21
22
23
24
25
 
# File 'lib/dbagile/adapter/sequel/data/table_driven.rb', line 19

def exists?(table_or_query, subtuple = {})
  if subtuple.nil? or subtuple.empty?
    !dataset(table_or_query).empty?
  else
    !dataset(table_or_query).where(subtuple).empty?
  end
end