Class: StagingTable::Adapters::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/staging_table/adapters/base.rb

Direct Known Subclasses

Mysql, Postgresql, Sqlite

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(connection) ⇒ Base

Returns a new instance of Base.



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# File 'lib/staging_table/adapters/base.rb', line 8

def initialize(connection)
  @connection = connection
end

Instance Attribute Details

#connection ⇒ Object (readonly)

Returns the value of attribute connection.



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# File 'lib/staging_table/adapters/base.rb', line 6

def connection
  @connection
end

Class Method Details

.for(connection) ⇒ Object 



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# File 'lib/staging_table/adapters/base.rb', line 21

def self.for(connection)
  adapter_name = connection.adapter_name.downcase
  case adapter_name
  when /postgresql/
    Postgresql.new(connection)
  when /mysql/
    Mysql.new(connection)
  when /sqlite/
    Sqlite.new(connection)
  else
    raise AdapterError, "Unsupported adapter: #{adapter_name}. StagingTable supports PostgreSQL, MySQL, and SQLite adapters."
  end
end

Instance Method Details

#create_table(temp_table_name, source_table_name, options = {}) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/staging_table/adapters/base.rb', line 12

def create_table(temp_table_name, source_table_name, options = {})
  raise NotImplementedError
end

#drop_table(temp_table_name) ⇒ Object 



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# File 'lib/staging_table/adapters/base.rb', line 16

def drop_table(temp_table_name)
  quoted_table = connection.quote_table_name(temp_table_name)
  connection.execute("DROP TABLE IF EXISTS #{quoted_table}")
end