Class: FreeZipcodeData::CountyTable
- Inherits:
-
DbTable
- Object
- DbTable
- FreeZipcodeData::CountyTable
show all
- Defined in:
- lib/free_zipcode_data/county_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
Instance Method Details
#build ⇒ Object
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# File 'lib/free_zipcode_data/county_table.rb', line 7
def build
schema = <<-SQL
create table #{tablename} (
id integer not null primary key,
state_id integer,
abbr varchar(255),
name varchar(255),
county_seat varchar(255)
)
SQL
database.execute_batch(schema)
ndx = <<-SQL
CREATE UNIQUE INDEX "main"."unique_county"
ON #{tablename} (state_id, abbr, name COLLATE NOCASE ASC);
SQL
database.execute_batch(ndx)
end
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#write(row) ⇒ Object
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# File 'lib/free_zipcode_data/county_table.rb', line 26
def write(row)
return nil unless row[:county]
state_id = get_state_id(row[:short_state], row[:state])
return nil unless state_id
sql = <<-SQL
INSERT INTO counties (state_id, abbr, name)
VALUES ('#{state_id}',
'#{row[:short_county]}',
'#{escape_single_quotes(row[:county])}'
)
SQL
begin
database.execute(sql)
rescue SQLite3::ConstraintException
rescue StandardError => err
raise "Please file an issue at #{ISSUE_URL}: [#{err}] -> SQL: [#{sql}]"
end
update_progress
end
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