Tds
v2.3.4

View Source Tds.Protocol (Tds v2.3.4)

Implements DBConnection behaviour for TDS protocol.

Summary

Types

env()
packet_data()
sock()
state()
t()
transaction()

Functions

checkin(s)
checkout(s)

Callback implementation for DBConnection.checkout/1.

connect(opts)

Callback implementation for DBConnection.connect/1.

disconnect(err, s)

Callback implementation for DBConnection.disconnect/2.

handle_begin(opts, s)

Callback implementation for DBConnection.handle_begin/2.

handle_close(query, opts, s)

Callback implementation for DBConnection.handle_close/3.

handle_commit(opts, s)

Callback implementation for DBConnection.handle_commit/2.

handle_deallocate(query, cursor, opts, state)

Callback implementation for DBConnection.handle_deallocate/4.

handle_declare(query, params, opts, state)

Callback implementation for DBConnection.handle_declare/4.

handle_execute(query, params, opts, s)

Callback implementation for DBConnection.handle_execute/4.

handle_fetch(query, cursor, opts, state)

Callback implementation for DBConnection.handle_fetch/4.

handle_info(msg, s)
handle_prepare(query, opts, s)

Callback implementation for DBConnection.handle_prepare/3.

handle_rollback(opts, s)

Callback implementation for DBConnection.handle_rollback/2.

handle_status(_, state)

Callback implementation for DBConnection.handle_status/2.

login(s)
message(arg1, arg2, s)
ping(state)

Callback implementation for DBConnection.ping/1.

send_close(query, params, s)
send_prelogin(s)
send_prepare(statement, params, s)
send_transaction(command, payload, s)

Types

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env()

View Source 
@type env() :: %{
  trans: <<_::8>>,
  savepoint: non_neg_integer(),
  collation: Tds.Protocol.Collation.t(),
  packetsize: integer()
}
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packet_data()

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@type packet_data() :: binary()
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sock()

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@type sock() :: {:gen_tcp | :ssl, :gen_tcp.socket() | :ssl.sslsocket()}
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state()

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@type state() :: :ready | :prelogin | :login | :prepare | :executing
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t()

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@type t() :: %Tds.Protocol{
  env: env(),
  itcp: term(),
  opts: nil | Keyword.t(),
  query: nil | String.t(),
  result: nil | list(),
  sock: nil | sock(),
  state: state(),
  transaction: transaction(),
  usock: nil | pid()
}
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transaction()

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@type transaction() :: nil | :started | :successful | :failed

Functions

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checkin(s)

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@spec checkin(state :: t()) ::
  {:ok, new_state :: t()} | {:disconnect, Exception.t(), new_state :: t()}
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checkout(s)

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@spec checkout(state :: t()) ::
  {:ok, new_state :: any()} | {:disconnect, Exception.t(), new_state :: t()}

Callback implementation for DBConnection.checkout/1.

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connect(opts)

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@spec connect(opts :: Keyword.t()) :: {:ok, state :: t()} | {:error, Exception.t()}

Callback implementation for DBConnection.connect/1.

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disconnect(err, s)

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@spec disconnect(err :: Exception.t() | String.t(), state :: t()) :: :ok

Callback implementation for DBConnection.disconnect/2.

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handle_begin(opts, s)

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@spec handle_begin(Keyword.t(), t()) ::
  {:ok, Tds.Result.t(), new_state :: t()}
  | {DBConnection.status(), new_state :: t()}
  | {:disconnect, Exception.t(), new_state :: t()}

Callback implementation for DBConnection.handle_begin/2.

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handle_close(query, opts, s)

View Source 
@spec handle_close(Tds.Query.t(), nil | keyword() | map(), t()) ::
  {:ok, Tds.Result.t(), new_state :: t()}
  | {:error | :disconnect, Exception.t(), new_state :: t()}

Callback implementation for DBConnection.handle_close/3.

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handle_commit(opts, s)

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@spec handle_commit(Keyword.t(), t()) ::
  {:ok, Tds.Result.t(), new_state :: t()}
  | {DBConnection.status(), new_state :: t()}
  | {:disconnect, Exception.t(), new_state :: t()}

Callback implementation for DBConnection.handle_commit/2.

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handle_deallocate(query, cursor, opts, state)

View Source 
@spec handle_deallocate(
  query :: Tds.Query.t(),
  cursor :: any(),
  opts :: Keyword.t(),
  state :: t()
) ::
  {:ok, Tds.Result.t(), new_state :: t()}
  | {:error | :disconnect, Exception.t(), new_state :: t()}

Callback implementation for DBConnection.handle_deallocate/4.

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handle_declare(query, params, opts, state)

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@spec handle_declare(
  Tds.Query.t(),
  params :: any(),
  opts :: Keyword.t(),
  state :: t()
) ::
  {:ok, Tds.Query.t(), cursor :: any(), new_state :: t()}
  | {:error | :disconnect, Exception.t(), new_state :: t()}

Callback implementation for DBConnection.handle_declare/4.

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handle_execute(query, params, opts, s)

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@spec handle_execute(Tds.Query.t(), DBConnection.params(), Keyword.t(), t()) ::
  {:ok, Tds.Query.t(), Tds.Result.t(), new_state :: t()}
  | {:error | :disconnect, Exception.t(), new_state :: t()}

Callback implementation for DBConnection.handle_execute/4.

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handle_fetch(query, cursor, opts, state)

View Source 
@spec handle_fetch(
  Tds.Query.t(),
  cursor :: any(),
  opts :: Keyword.t(),
  state :: t()
) ::
  {:cont | :halt, Tds.Result.t(), new_state :: t()}
  | {:error | :disconnect, Exception.t(), new_state :: t()}

Callback implementation for DBConnection.handle_fetch/4.

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handle_info(msg, s)

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handle_prepare(query, opts, s)

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@spec handle_prepare(Tds.Query.t(), Keyword.t(), t()) ::
  {:ok, Tds.Query.t(), new_state :: t()}
  | {:error | :disconnect, Exception.t(), new_state :: t()}

Callback implementation for DBConnection.handle_prepare/3.

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handle_rollback(opts, s)

View Source 
@spec handle_rollback(Keyword.t(), t()) ::
  {:ok, Tds.Result.t(), new_state :: t()}
  | {:idle, new_state :: t()}
  | {:disconnect, Exception.t(), new_state :: t()}

Callback implementation for DBConnection.handle_rollback/2.

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handle_status(_, state)

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@spec handle_status(Keyword.t(), t()) ::
  {:idle | :transaction | :error, t()} | {:disconnect, Exception.t(), t()}

Callback implementation for DBConnection.handle_status/2.

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login(s)

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message(arg1, arg2, s)

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ping(state)

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@spec ping(t()) :: {:ok, t()} | {:disconnect, Exception.t(), t()}

Callback implementation for DBConnection.ping/1.

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send_close(query, params, s)

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send_prelogin(s)

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send_prepare(statement, params, s)

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send_transaction(command, payload, s)

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