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
1187 def self.columns(&block)
1188   new(&block).columns.freeze
1189 end

new (&block)

Source

     # File lib/sequel/extensions/pg_json_ops.rb
1191 def initialize(&block)
1192   @columns = []
1193   instance_exec(&block)
1194 end

Public Instance Methods

Bignum (name, opts=OPTS)

Source

     # File lib/sequel/extensions/pg_json_ops.rb
1217 def Bignum(name, opts=OPTS)
1218   @columns << [:column, name, :Bignum, opts].freeze
1219 end

Include a bigint column

column (name, type, opts=OPTS)

Source

     # File lib/sequel/extensions/pg_json_ops.rb
1202 def column(name, type, opts=OPTS)
1203   @columns << [:column, name, type, opts].freeze
1204 end

Include a regular column with the given type

exists (name, type, opts=OPTS)

Source

     # File lib/sequel/extensions/pg_json_ops.rb
1207 def exists(name, type, opts=OPTS)
1208   @columns << [:exists, name, type, opts].freeze
1209 end

Include an EXISTS column with the given type

nested (path, &block)

Source

     # File lib/sequel/extensions/pg_json_ops.rb
1212 def nested(path, &block)
1213   @columns << [:nested, path, ColumnDSL.columns(&block)].freeze
1214 end

Include a nested set of columns at the given path.

ordinality (name)

Source

     # File lib/sequel/extensions/pg_json_ops.rb
1197 def ordinality(name)
1198   @columns << [:ordinality, name].freeze
1199 end

Include a FOR ORDINALITY column