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Fast, simple, and robust Cassandra driver for Elixir.
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lib/xandra/schema_change.ex
defmodule Xandra.SchemaChange do
@moduledoc """
A struct that represents the result of a query that modifies the schema.
This struct has the following fields:
* `:effect` - the type of change involved. It's one of `"CREATED"`,
`"UPDATED"`, or `"DROPPED"`.
* `:target` - what has been modified. It's one of `"KEYSPACE"`, `"TABLE"`,
or `"TYPE"`.
* `:options` - a map of options that depends on the value of `:target`:
* if target is `"KEYSPACE"`, the map will have the form
`%{keyspace: keyspace}`
* if the target is `"TABLE"` or `"TYPE"`, the map will have the form
`%{keyspace: keyspace, subject: subject}` where `keyspace` is the
keyspace where the change happened and `subject` is the name of what
changed (so the name of the changed table or type)
"""
defstruct [:effect, :target, :options]
@type t :: %__MODULE__{
effect: String.t,
target: String.t,
options: map,
}
end