class SqlPostgres::PgCircle
This class holds the value of a “circle” column.
Attributes
center[R]
Return the center (PgPoint
)
radius[R]
Return the radius
Public Class Methods
from_sql(s)
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Create a PgCircle
from a string in Postgres format
# File lib/sqlpostgres/PgCircle.rb, line 21 def from_sql(s) if s =~ /^<(.*),(.*)>$/ PgCircle.new(PgPoint.from_sql($1), $2.to_f) else raise ArgumentError, "Invalid circle: #{s.inspect}" end end
new(*args)
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Constructor
# File lib/sqlpostgres/PgCircle.rb, line 33 def initialize(*args) case args.size when 0 @center = PgPoint.new @radius = 0 when 2 @center = args[0] @radius = args[1] when 3 @center = PgPoint.new(*args[0..1]) @radius = args[2] else raise ArgumentError, "Incorrect number of arguments: #{args.size}" end end
Public Instance Methods
to_s()
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Return a string representation (ie “<(1, 2), 3>”).
# File lib/sqlpostgres/PgCircle.rb, line 51 def to_s "<%s, %g>" % parts end
Protected Instance Methods
parts()
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# File lib/sqlpostgres/PgCircle.rb, line 57 def parts [center, radius] end
Private Instance Methods
column_type()
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# File lib/sqlpostgres/PgCircle.rb, line 63 def column_type 'circle' end