Packages
eventstore
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1.4.4
1.4.3
1.4.2
1.4.1
1.4.0
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0.17.0
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0.0.3
0.0.2
0.0.1
Event store using PostgreSQL for persistence.
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Files
lib/event_store/storage/create_stream.ex
defmodule EventStore.Storage.CreateStream do
@moduledoc false
alias EventStore.Sql.Statements
require Logger
def execute(conn, stream_uuid, opts) do
Logger.debug("Attempting to create stream #{stream_uuid}")
{schema, opts} = Keyword.pop(opts, :schema)
case Postgrex.query(conn, Statements.create_stream(schema), [stream_uuid], opts) do
{:ok, %Postgrex.Result{rows: [[stream_id]]}} ->
Logger.debug("Created stream #{inspect(stream_uuid)} (id: #{stream_id})")
{:ok, stream_id}
{:error, %Postgrex.Error{postgres: %{code: :unique_violation}}} ->
Logger.warning("Failed to create stream #{inspect(stream_uuid)}, already exists")
{:error, :stream_exists}
{:error, error} ->
Logger.warning(
"Failed to create stream #{inspect(stream_uuid)} due to: " <> inspect(error)
)
{:error, error}
end
end
end