Class: Ductr::SQLite::BasicSource

Inherits:
ETL::Source
  • Object
show all
Defined in:
lib/ductr/sqlite/basic_source.rb

Overview

A source control that yields rows one by one, registered as :basic:

source :some_sqlite_database, :basic def select_some_stuff(db) db[:items].limit(42) end

Do not try to select a large number of rows, as they will all be loaded into memory.

Instance Method Summary collapse

Instance Method Details

#each { ... } ⇒ void

This method returns an undefined value.

Opens the database, calls the job's method and iterate over the query results.

Yields:

  • The each block



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# File 'lib/ductr/sqlite/basic_source.rb', line 25

def each(&)
  call_method(adapter.db).each(&)
end