Class: FreeZipcodeData::StateTable

Inherits:
DbTable
  • Object
show all
Defined in:
lib/free_zipcode_data/state_table.rb

Constant Summary

Constants inherited from DbTable

DbTable::ISSUE_URL

Instance Attribute Summary

Attributes inherited from DbTable

#database, #tablename

Instance Method Summary collapse

Methods inherited from DbTable

#initialize, #update_progress

Constructor Details

This class inherits a constructor from FreeZipcodeData::DbTable

Instance Method Details

#build ⇒ Object 



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# File 'lib/free_zipcode_data/state_table.rb', line 7

def build
  schema = <<-SQL
    create table #{tablename} (
      id integer not null primary key,
      country_id integer not null,
      abbr varchar(2) not null,
      name varchar(255)
    )
  SQL
  database.execute_batch(schema)

  ndx = <<-SQL
    CREATE UNIQUE INDEX "main"."unique_state"
    ON #{tablename} (abbr, country_id COLLATE NOCASE ASC);
  SQL
  database.execute_batch(ndx)

  ndx = <<-SQL
    CREATE UNIQUE INDEX "main"."state_name"
    ON #{tablename} (name COLLATE NOCASE ASC);
  SQL
  database.execute_batch(ndx)
end

#write(row) ⇒ Object 



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# File 'lib/free_zipcode_data/state_table.rb', line 31

def write(row)
  return nil unless row[:short_state]
  row[:state] = 'Marshall Islands' if row[:short_state] == 'MH' && row[:state].nil?
  country_id = get_country_id(row[:country])
  sql = <<-SQL
    INSERT INTO states (abbr, name, country_id)
    VALUES ('#{row[:short_state]}',
      '#{escape_single_quotes(row[:state])}',
      #{country_id}
    )
  SQL
  begin
    database.execute(sql)
  rescue SQLite3::ConstraintException
    # Swallow duplicates
  end

  update_progress
end