class Sequel::Postgres::JSONTableOp::ColumnDSL

Class used to evaluate json_table blocks and nested blocks

Attributes

Return array of column information recorded for the instance

Public Class Methods

Source

     # File lib/sequel/extensions/pg_json_ops.rb
1179 def self.columns(&block)
1180   new(&block).columns.freeze
1181 end

new (&block)

Source

     # File lib/sequel/extensions/pg_json_ops.rb
1183 def initialize(&block)
1184   @columns = []
1185   instance_exec(&block)
1186 end

Public Instance Methods

Bignum (name, opts=OPTS)

Source

     # File lib/sequel/extensions/pg_json_ops.rb
1209 def Bignum(name, opts=OPTS)
1210   @columns << [:column, name, :Bignum, opts].freeze
1211 end

Include a bigint column

column (name, type, opts=OPTS)

Source

     # File lib/sequel/extensions/pg_json_ops.rb
1194 def column(name, type, opts=OPTS)
1195   @columns << [:column, name, type, opts].freeze
1196 end

Include a regular column with the given type

exists (name, type, opts=OPTS)

Source

     # File lib/sequel/extensions/pg_json_ops.rb
1199 def exists(name, type, opts=OPTS)
1200   @columns << [:exists, name, type, opts].freeze
1201 end

Include an EXISTS column with the given type

nested (path, &block)

Source

     # File lib/sequel/extensions/pg_json_ops.rb
1204 def nested(path, &block)
1205   @columns << [:nested, path, ColumnDSL.columns(&block)].freeze
1206 end

Include a nested set of columns at the given path.

ordinality (name)

Source

     # File lib/sequel/extensions/pg_json_ops.rb
1189 def ordinality(name)
1190   @columns << [:ordinality, name].freeze
1191 end

Include a FOR ORDINALITY column