Sha256: 9fa2c12149bec4b59df2e1d5c2f40f72732b12906f1727ad9beda8552e2982c8
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Size: 1.42 KB
Versions: 18
Compression:
Stored size: 1.42 KB
Contents
# This class handels the result when running MRI (or others).
class Baza::Driver::Sqlite3::Result < Baza::ResultBase
# Constructor. This should not be called manually.
def initialize(driver, statement)
@statement = statement
begin
@statement.execute
@type_translation = driver.db.opts[:type_translation]
@types = statement.types if @type_translation == true
@columns = statement.columns.map(&:to_sym)
read_results
@index = -1
ensure
@statement.close
end
end
# Returns a single result.
def fetch
row = @results[@index += 1]
return unless row
if @types
row.map!.with_index { |value, index| translate_type(value, @types[index]) } if @types
elsif @type_translation == :string
row.map!(&:to_s)
end
Hash[*@columns.zip(row).flatten]
end
# Loops over every result yielding them.
def each
loop do
data = fetch
if data
yield data
else
break
end
end
end
private
def read_results
@results = []
loop do
row = @statement.step
break if @statement.done?
@results << row
end
end
def translate_type(value, type)
return if value.to_s.empty?
if type == "datetime"
return nil if value == "NULL"
return Time.parse(value)
elsif type == "date"
return nil if value == "NULL"
return Date.parse(value)
else
value
end
end
end
Version data entries
18 entries across 18 versions & 1 rubygems