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PostgreSQL driver for Elixir
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lib/postgrex/type_info.ex
defmodule Postgrex.TypeInfo do
@moduledoc """
The information about a type that is provided to the custom encoder/decoder
functions. See http://www.postgresql.org/docs/9.4/static/catalog-pg-type.html
for clarifications of the fields.
* `oid` - The type's id;
* `type` - The type name;
* `send` - The name of the "send" function (the function postgres uses
to convert the type to its binary format);
* `receive` - The name of the "receive" function (the function postgres uses
to convert the type from its binary format);
* `output` - The name of the "output" function (the function postgres uses
to convert the type to its text format);
* `input` - The name of the "input" function (the function postgres uses
to convert the type from its text format);
* `array_elem` - If this is an array, the array elements' oid;
* `base_type` - If this is a range type, the base type's oid;
* `comp_elems` - If this is a composite type (record), the tuple
elements' oid;
"""
alias Postgrex.Types
@type t :: %__MODULE__{
oid: Types.oid(),
type: String.t(),
send: String.t(),
receive: String.t(),
output: String.t(),
input: String.t(),
array_elem: Types.oid(),
base_type: Types.oid(),
comp_elems: [Types.oid()]
}
defstruct [:oid, :type, :send, :receive, :output, :input, :array_elem, :base_type, :comp_elems]
end