Packages
eventstore
0.16.2
1.4.8
1.4.7
1.4.6
1.4.4
1.4.3
1.4.2
1.4.1
1.4.0
1.3.2
1.3.1
1.3.0
1.2.3
1.2.2
1.2.1
1.2.0
1.1.0
1.0.3
1.0.2
1.0.1
1.0.0
1.0.0-rc.0
0.17.0
0.16.2
0.16.1
0.16.0
0.15.1
0.15.0
0.14.0
0.14.0-rc.0
0.13.2
0.13.1
0.13.0
0.12.1
0.12.0
0.11.0
0.11.0-rc.0
0.10.1
0.10.0
0.9.0
0.8.1
0.8.0
0.7.4
0.7.3
0.7.2
0.7.1
0.7.0
0.6.2
0.6.1
0.6.0
0.5.2
0.5.1
0.5.0
0.4.3
0.4.2
0.4.1
0.4.0
0.3.0
0.2.1
0.2.0
0.1.0
0.0.5
0.0.4
0.0.3
0.0.2
0.0.1
Event store using PostgreSQL for persistence.
Current section
Files
Jump to
Current section
Files
lib/event_store/storage/create_stream.ex
defmodule EventStore.Storage.CreateStream do
@moduledoc false
require Logger
alias EventStore.Sql.Statements
def execute(conn, stream_uuid, opts \\ []) do
_ = Logger.debug(fn -> "Attempting to create stream #{stream_uuid}" end)
conn
|> Postgrex.query(Statements.create_stream, [stream_uuid], opts)
|> handle_create_response(stream_uuid)
end
defp handle_create_response({:ok, %Postgrex.Result{rows: [[stream_id]]}}, stream_uuid) do
_ = Logger.debug(fn -> "Created stream #{inspect stream_uuid} (id: #{stream_id})" end)
{:ok, stream_id}
end
defp handle_create_response({:error, %Postgrex.Error{postgres: %{code: :unique_violation}}}, stream_uuid) do
_ = Logger.warn(fn -> "Failed to create stream #{inspect stream_uuid}, already exists" end)
{:error, :stream_exists}
end
defp handle_create_response({:error, error}, stream_uuid) do
_ = Logger.warn(fn -> "Failed to create stream #{inspect stream_uuid} due to: #{inspect error}" end)
{:error, error}
end
end