class Sequel::Postgres::JSONTableOp::ColumnDSL

Class used to evaluate json_table blocks and nested blocks

Attributes

columns[R]

Return array of column information recorded for the instance

Public Class Methods

columns(&block) click to toggle source

     # File lib/sequel/extensions/pg_json_ops.rb
1186 def self.columns(&block)
1187   new(&block).columns.freeze
1188 end

new(&block) click to toggle source

     # File lib/sequel/extensions/pg_json_ops.rb
1190 def initialize(&block)
1191   @columns = []
1192   instance_exec(&block)
1193 end

Public Instance Methods

Bignum(name, opts=OPTS) click to toggle source

Include a bigint column

     # File lib/sequel/extensions/pg_json_ops.rb
1216 def Bignum(name, opts=OPTS)
1217   @columns << [:column, name, :Bignum, opts].freeze
1218 end

column(name, type, opts=OPTS) click to toggle source

Include a regular column with the given type

     # File lib/sequel/extensions/pg_json_ops.rb
1201 def column(name, type, opts=OPTS)
1202   @columns << [:column, name, type, opts].freeze
1203 end

exists(name, type, opts=OPTS) click to toggle source

Include an EXISTS column with the given type

     # File lib/sequel/extensions/pg_json_ops.rb
1206 def exists(name, type, opts=OPTS)
1207   @columns << [:exists, name, type, opts].freeze
1208 end

nested(path, &block) click to toggle source

Include a nested set of columns at the given path.

     # File lib/sequel/extensions/pg_json_ops.rb
1211 def nested(path, &block)
1212   @columns << [:nested, path, ColumnDSL.columns(&block)].freeze
1213 end

ordinality(name) click to toggle source

Include a FOR ORDINALITY column

     # File lib/sequel/extensions/pg_json_ops.rb
1196 def ordinality(name)
1197   @columns << [:ordinality, name].freeze
1198 end