Class: Sequel::Postgres::JSONHash

Inherits:
Hash show all
Includes:
SQL::AliasMethods
Defined in:
lib/sequel/extensions/pg_json.rb,
lib/sequel/extensions/pg_json_ops.rb

Overview

Class representating PostgreSQL JSON column hash/object values.

Instance Method Summary collapse

Methods included from SQL::AliasMethods

#as

Methods inherited from Hash

#&, #case, #hstore, #pg_json, #sql_expr, #sql_negate, #sql_or, #|, #~

Instance Method Details

#op ⇒ Object

Wrap the JSONHash instance in an JSONOp, allowing you to easily use the PostgreSQL json functions and operators with literal jsons.



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# File 'lib/sequel/extensions/pg_json_ops.rb', line 218

def op
  JSONOp.new(self)
end

#sql_literal_append(ds, sql) ⇒ Object

Convert the hash to a json string, append a literalized version of the string to the sql, and explicitly cast the string to json.



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# File 'lib/sequel/extensions/pg_json.rb', line 85

def sql_literal_append(ds, sql)
  ds.literal_append(sql, Sequel.object_to_json(self))
  sql << CAST_JSON
end