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An Elixir interface to the libpg_query postgres query parser. Converts a valid PostgreSQL query into a Protobuf based AST.

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pg_query_ex lib pg_query proto pg_query_json_expr.ex
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lib/pg_query/proto/pg_query_json_expr.ex

# Code generated by protox. Don't edit.
# credo:disable-for-this-file
defmodule PgQuery.JsonExpr do
@moduledoc false
if function_exported?(Protox, :check_generator_version, 1) do
Protox.check_generator_version(1)
else
raise "This code was generated with protox 2 but the runtime is using an older version of protox."
end
@type t :: %__MODULE__{
location: integer(),
collation: non_neg_integer(),
omit_quotes: boolean(),
wrapper: atom(),
use_json_coercion: boolean(),
use_io_coercion: boolean(),
on_error: PgQuery.JsonBehavior.t() | nil,
on_empty: PgQuery.JsonBehavior.t() | nil,
passing_values: [PgQuery.Node.t()],
passing_names: [PgQuery.Node.t()],
returning: PgQuery.JsonReturning.t() | nil,
path_spec: PgQuery.Node.t() | nil,
format: PgQuery.JsonFormat.t() | nil,
formatted_expr: PgQuery.Node.t() | nil,
column_name: String.t(),
op: atom(),
xpr: PgQuery.Node.t() | nil,
__uf__: [{non_neg_integer(), Protox.Types.tag(), binary()}]
}
defstruct location: 0,
collation: 0,
omit_quotes: false,
wrapper: :JSON_WRAPPER_UNDEFINED,
use_json_coercion: false,
use_io_coercion: false,
on_error: nil,
on_empty: nil,
passing_values: [],
passing_names: [],
returning: nil,
path_spec: nil,
format: nil,
formatted_expr: nil,
column_name: "",
op: :JSON_EXPR_OP_UNDEFINED,
xpr: nil,
__uf__: []
(
(
@spec encode(t()) :: {:ok, iodata(), non_neg_integer()} | {:error, any()}
def encode(msg) do
msg |> encode!() |> Tuple.insert_at(0, :ok)
rescue
e in [Protox.EncodingError, Protox.RequiredFieldsError] -> {:error, e}
end
@spec encode!(t()) :: {iodata(), non_neg_integer()} | no_return()
def encode!(msg) do
{_acc = [], _acc_size = 0}
|> encode_location(msg)
|> encode_collation(msg)
|> encode_omit_quotes(msg)
|> encode_wrapper(msg)
|> encode_use_json_coercion(msg)
|> encode_use_io_coercion(msg)
|> encode_on_error(msg)
|> encode_on_empty(msg)
|> encode_passing_values(msg)
|> encode_passing_names(msg)
|> encode_returning(msg)
|> encode_path_spec(msg)
|> encode_format(msg)
|> encode_formatted_expr(msg)
|> encode_column_name(msg)
|> encode_op(msg)
|> encode_xpr(msg)
|> encode_unknown_fields(msg)
end
)
defp encode_location({acc, acc_size}, msg) do
if msg.location == 0 do
{acc, acc_size}
else
{value_bytes, value_bytes_size} = Protox.Encode.encode_int32(msg.location)
{["\x88\x01", value_bytes | acc], acc_size + 2 + value_bytes_size}
end
rescue
ArgumentError ->
reraise Protox.EncodingError.new(:location, "invalid field value"), __STACKTRACE__
end
defp encode_collation({acc, acc_size}, msg) do
if msg.collation == 0 do
{acc, acc_size}
else
{value_bytes, value_bytes_size} = Protox.Encode.encode_uint32(msg.collation)
{["\x80\x01", value_bytes | acc], acc_size + 2 + value_bytes_size}
end
rescue
ArgumentError ->
reraise Protox.EncodingError.new(:collation, "invalid field value"), __STACKTRACE__
end
defp encode_omit_quotes({acc, acc_size}, msg) do
if msg.omit_quotes == false do
{acc, acc_size}
else
{value_bytes, value_bytes_size} = Protox.Encode.encode_bool(msg.omit_quotes)
{["x", value_bytes | acc], acc_size + 1 + value_bytes_size}
end
rescue
ArgumentError ->
reraise Protox.EncodingError.new(:omit_quotes, "invalid field value"), __STACKTRACE__
end
defp encode_wrapper({acc, acc_size}, msg) do
if msg.wrapper == :JSON_WRAPPER_UNDEFINED do
{acc, acc_size}
else
{value_bytes, value_bytes_size} =
msg.wrapper |> PgQuery.JsonWrapper.encode() |> Protox.Encode.encode_enum()
{["p", value_bytes | acc], acc_size + 1 + value_bytes_size}
end
rescue
ArgumentError ->
reraise Protox.EncodingError.new(:wrapper, "invalid field value"), __STACKTRACE__
end
defp encode_use_json_coercion({acc, acc_size}, msg) do
if msg.use_json_coercion == false do
{acc, acc_size}
else
{value_bytes, value_bytes_size} = Protox.Encode.encode_bool(msg.use_json_coercion)
{["h", value_bytes | acc], acc_size + 1 + value_bytes_size}
end
rescue
ArgumentError ->
reraise Protox.EncodingError.new(:use_json_coercion, "invalid field value"),
__STACKTRACE__
end
defp encode_use_io_coercion({acc, acc_size}, msg) do
if msg.use_io_coercion == false do
{acc, acc_size}
else
{value_bytes, value_bytes_size} = Protox.Encode.encode_bool(msg.use_io_coercion)
{["`", value_bytes | acc], acc_size + 1 + value_bytes_size}
end
rescue
ArgumentError ->
reraise Protox.EncodingError.new(:use_io_coercion, "invalid field value"), __STACKTRACE__
end
defp encode_on_error({acc, acc_size}, msg) do
if msg.on_error == nil do
{acc, acc_size}
else
{value_bytes, value_bytes_size} = Protox.Encode.encode_message(msg.on_error)
{["Z", value_bytes | acc], acc_size + 1 + value_bytes_size}
end
rescue
ArgumentError ->
reraise Protox.EncodingError.new(:on_error, "invalid field value"), __STACKTRACE__
end
defp encode_on_empty({acc, acc_size}, msg) do
if msg.on_empty == nil do
{acc, acc_size}
else
{value_bytes, value_bytes_size} = Protox.Encode.encode_message(msg.on_empty)
{["R", value_bytes | acc], acc_size + 1 + value_bytes_size}
end
rescue
ArgumentError ->
reraise Protox.EncodingError.new(:on_empty, "invalid field value"), __STACKTRACE__
end
defp encode_passing_values({acc, acc_size}, msg) do
case msg.passing_values do
[] ->
{acc, acc_size}
values ->
{value_bytes, value_size} =
(
{value_bytes, value_size} =
Enum.reduce(values, {_local_acc = [], _local_acc_size = 0}, fn value,
{local_acc,
local_acc_size} ->
{value_bytes, value_bytes_size} = Protox.Encode.encode_message(value)
{[value_bytes, "J" | local_acc], local_acc_size + 1 + value_bytes_size}
end)
{Enum.reverse(value_bytes), value_size}
)
{[value_bytes | acc], acc_size + value_size}
end
rescue
ArgumentError ->
reraise Protox.EncodingError.new(:passing_values, "invalid field value"), __STACKTRACE__
end
defp encode_passing_names({acc, acc_size}, msg) do
case msg.passing_names do
[] ->
{acc, acc_size}
values ->
{value_bytes, value_size} =
(
{value_bytes, value_size} =
Enum.reduce(values, {_local_acc = [], _local_acc_size = 0}, fn value,
{local_acc,
local_acc_size} ->
{value_bytes, value_bytes_size} = Protox.Encode.encode_message(value)
{[value_bytes, "B" | local_acc], local_acc_size + 1 + value_bytes_size}
end)
{Enum.reverse(value_bytes), value_size}
)
{[value_bytes | acc], acc_size + value_size}
end
rescue
ArgumentError ->
reraise Protox.EncodingError.new(:passing_names, "invalid field value"), __STACKTRACE__
end
defp encode_returning({acc, acc_size}, msg) do
if msg.returning == nil do
{acc, acc_size}
else
{value_bytes, value_bytes_size} = Protox.Encode.encode_message(msg.returning)
{[":", value_bytes | acc], acc_size + 1 + value_bytes_size}
end
rescue
ArgumentError ->
reraise Protox.EncodingError.new(:returning, "invalid field value"), __STACKTRACE__
end
defp encode_path_spec({acc, acc_size}, msg) do
if msg.path_spec == nil do
{acc, acc_size}
else
{value_bytes, value_bytes_size} = Protox.Encode.encode_message(msg.path_spec)
{["2", value_bytes | acc], acc_size + 1 + value_bytes_size}
end
rescue
ArgumentError ->
reraise Protox.EncodingError.new(:path_spec, "invalid field value"), __STACKTRACE__
end
defp encode_format({acc, acc_size}, msg) do
if msg.format == nil do
{acc, acc_size}
else
{value_bytes, value_bytes_size} = Protox.Encode.encode_message(msg.format)
{["*", value_bytes | acc], acc_size + 1 + value_bytes_size}
end
rescue
ArgumentError ->
reraise Protox.EncodingError.new(:format, "invalid field value"), __STACKTRACE__
end
defp encode_formatted_expr({acc, acc_size}, msg) do
if msg.formatted_expr == nil do
{acc, acc_size}
else
{value_bytes, value_bytes_size} = Protox.Encode.encode_message(msg.formatted_expr)
{["\"", value_bytes | acc], acc_size + 1 + value_bytes_size}
end
rescue
ArgumentError ->
reraise Protox.EncodingError.new(:formatted_expr, "invalid field value"), __STACKTRACE__
end
defp encode_column_name({acc, acc_size}, msg) do
if msg.column_name == "" do
{acc, acc_size}
else
{value_bytes, value_bytes_size} = Protox.Encode.encode_string(msg.column_name)
{["\x1A", value_bytes | acc], acc_size + 1 + value_bytes_size}
end
rescue
ArgumentError ->
reraise Protox.EncodingError.new(:column_name, "invalid field value"), __STACKTRACE__
end
defp encode_op({acc, acc_size}, msg) do
if msg.op == :JSON_EXPR_OP_UNDEFINED do
{acc, acc_size}
else
{value_bytes, value_bytes_size} =
msg.op |> PgQuery.JsonExprOp.encode() |> Protox.Encode.encode_enum()
{["\x10", value_bytes | acc], acc_size + 1 + value_bytes_size}
end
rescue
ArgumentError ->
reraise Protox.EncodingError.new(:op, "invalid field value"), __STACKTRACE__
end
defp encode_xpr({acc, acc_size}, msg) do
if msg.xpr == nil do
{acc, acc_size}
else
{value_bytes, value_bytes_size} = Protox.Encode.encode_message(msg.xpr)
{["\n", value_bytes | acc], acc_size + 1 + value_bytes_size}
end
rescue
ArgumentError ->
reraise Protox.EncodingError.new(:xpr, "invalid field value"), __STACKTRACE__
end
defp encode_unknown_fields({acc, acc_size}, msg) do
Enum.reduce(msg.__uf__, {acc, acc_size}, fn {tag, wire_type, bytes}, {acc, acc_size} ->
case wire_type do
0 ->
{key_bytes, key_size} = Protox.Encode.make_key_bytes(tag, :int32)
{[acc, <<key_bytes::binary, bytes::binary>>], acc_size + key_size + byte_size(bytes)}
1 ->
{key_bytes, key_size} = Protox.Encode.make_key_bytes(tag, :double)
{[acc, <<key_bytes::binary, bytes::binary>>], acc_size + key_size + byte_size(bytes)}
2 ->
{len_bytes, len_size} = bytes |> byte_size() |> Protox.Varint.encode()
{key_bytes, key_size} = Protox.Encode.make_key_bytes(tag, :packed)
{[acc, <<key_bytes::binary, len_bytes::binary, bytes::binary>>],
acc_size + key_size + len_size + byte_size(bytes)}
5 ->
{key_bytes, key_size} = Protox.Encode.make_key_bytes(tag, :float)
{[acc, <<key_bytes::binary, bytes::binary>>], acc_size + key_size + byte_size(bytes)}
end
end)
end
)
(
(
@spec decode(binary()) :: {:ok, t()} | {:error, any()}
def decode(bytes) do
{:ok, decode!(bytes)}
rescue
e in [Protox.DecodingError, Protox.IllegalTagError, Protox.RequiredFieldsError] ->
{:error, e}
end
(
@spec decode!(binary()) :: t() | no_return()
def decode!(bytes) do
parse_key_value(bytes, struct(PgQuery.JsonExpr))
end
)
)
(
@spec parse_key_value(binary(), struct()) :: struct()
defp parse_key_value(<<>>, msg) do
msg
end
defp parse_key_value(bytes, msg) do
{field, rest} =
case bytes do
<<_::5, 3::3, _rest::binary>> ->
raise Protox.DecodingError.new(bytes, "invalid wire type 3")
<<_::5, 4::3, _rest::binary>> ->
raise Protox.DecodingError.new(bytes, "invalid wire type 4")
<<_::5, 6::3, _rest::binary>> ->
raise Protox.DecodingError.new(bytes, "invalid wire type 6")
<<_::5, 7::3, _rest::binary>> ->
raise Protox.DecodingError.new(bytes, "invalid wire type 7")
<<0::5, _::3, _rest::binary>> ->
raise %Protox.IllegalTagError{}
<<17::5, _wire_type::3, "\x01", bytes::binary>> ->
{value, rest} = Protox.Decode.parse_int32(bytes)
{[location: value], rest}
<<16::5, _wire_type::3, "\x01", bytes::binary>> ->
{value, rest} = Protox.Decode.parse_uint32(bytes)
{[collation: value], rest}
<<15::5, _wire_type::3, bytes::binary>> ->
{value, rest} = Protox.Decode.parse_bool(bytes)
{[omit_quotes: value], rest}
<<14::5, _wire_type::3, bytes::binary>> ->
{value, rest} = Protox.Decode.parse_enum(bytes, PgQuery.JsonWrapper)
{[wrapper: value], rest}
<<13::5, _wire_type::3, bytes::binary>> ->
{value, rest} = Protox.Decode.parse_bool(bytes)
{[use_json_coercion: value], rest}
<<12::5, _wire_type::3, bytes::binary>> ->
{value, rest} = Protox.Decode.parse_bool(bytes)
{[use_io_coercion: value], rest}
<<11::5, _wire_type::3, bytes::binary>> ->
{len, bytes} = Protox.Varint.decode(bytes)
{delimited, rest} = Protox.Decode.parse_delimited(bytes, len)
{[
on_error:
Protox.MergeMessage.merge(
msg.on_error,
PgQuery.JsonBehavior.decode!(delimited)
)
], rest}
<<10::5, _wire_type::3, bytes::binary>> ->
{len, bytes} = Protox.Varint.decode(bytes)
{delimited, rest} = Protox.Decode.parse_delimited(bytes, len)
{[
on_empty:
Protox.MergeMessage.merge(
msg.on_empty,
PgQuery.JsonBehavior.decode!(delimited)
)
], rest}
<<9::5, _wire_type::3, bytes::binary>> ->
{len, bytes} = Protox.Varint.decode(bytes)
{delimited, rest} = Protox.Decode.parse_delimited(bytes, len)
{[passing_values: msg.passing_values ++ [PgQuery.Node.decode!(delimited)]], rest}
<<8::5, _wire_type::3, bytes::binary>> ->
{len, bytes} = Protox.Varint.decode(bytes)
{delimited, rest} = Protox.Decode.parse_delimited(bytes, len)
{[passing_names: msg.passing_names ++ [PgQuery.Node.decode!(delimited)]], rest}
<<7::5, _wire_type::3, bytes::binary>> ->
{len, bytes} = Protox.Varint.decode(bytes)
{delimited, rest} = Protox.Decode.parse_delimited(bytes, len)
{[
returning:
Protox.MergeMessage.merge(
msg.returning,
PgQuery.JsonReturning.decode!(delimited)
)
], rest}
<<6::5, _wire_type::3, bytes::binary>> ->
{len, bytes} = Protox.Varint.decode(bytes)
{delimited, rest} = Protox.Decode.parse_delimited(bytes, len)
{[
path_spec:
Protox.MergeMessage.merge(msg.path_spec, PgQuery.Node.decode!(delimited))
], rest}
<<5::5, _wire_type::3, bytes::binary>> ->
{len, bytes} = Protox.Varint.decode(bytes)
{delimited, rest} = Protox.Decode.parse_delimited(bytes, len)
{[
format:
Protox.MergeMessage.merge(msg.format, PgQuery.JsonFormat.decode!(delimited))
], rest}
<<4::5, _wire_type::3, bytes::binary>> ->
{len, bytes} = Protox.Varint.decode(bytes)
{delimited, rest} = Protox.Decode.parse_delimited(bytes, len)
{[
formatted_expr:
Protox.MergeMessage.merge(msg.formatted_expr, PgQuery.Node.decode!(delimited))
], rest}
<<3::5, _wire_type::3, bytes::binary>> ->
{len, bytes} = Protox.Varint.decode(bytes)
{delimited, rest} = Protox.Decode.parse_delimited(bytes, len)
{[column_name: Protox.Decode.validate_string!(delimited)], rest}
<<2::5, _wire_type::3, bytes::binary>> ->
{value, rest} = Protox.Decode.parse_enum(bytes, PgQuery.JsonExprOp)
{[op: value], rest}
<<1::5, _wire_type::3, bytes::binary>> ->
{len, bytes} = Protox.Varint.decode(bytes)
{delimited, rest} = Protox.Decode.parse_delimited(bytes, len)
{[xpr: Protox.MergeMessage.merge(msg.xpr, PgQuery.Node.decode!(delimited))], rest}
<<bytes::binary>> ->
{tag, wire_type, rest} = Protox.Decode.parse_key(bytes)
{value, rest} = Protox.Decode.parse_unknown(tag, wire_type, rest)
{[__uf__: msg.__uf__ ++ [value]], rest}
end
msg_updated = struct(msg, field)
parse_key_value(rest, msg_updated)
end
)
)
(
@spec unknown_fields(struct()) :: [{non_neg_integer(), Protox.Types.tag(), binary()}]
def unknown_fields(msg) do
msg.__uf__
end
@spec unknown_fields_name() :: :__uf__
def unknown_fields_name() do
:__uf__
end
@spec clear_unknown_fields(struct) :: struct
def clear_unknown_fields(msg) do
struct!(msg, __uf__: [])
end
)
(
@spec default(atom()) ::
{:ok, boolean() | integer() | String.t() | float()}
| {:error, :no_such_field | :no_default_value}
def default(:location) do
{:ok, 0}
end
def default(:collation) do
{:ok, 0}
end
def default(:omit_quotes) do
{:ok, false}
end
def default(:wrapper) do
{:ok, :JSON_WRAPPER_UNDEFINED}
end
def default(:use_json_coercion) do
{:ok, false}
end
def default(:use_io_coercion) do
{:ok, false}
end
def default(:on_error) do
{:ok, nil}
end
def default(:on_empty) do
{:ok, nil}
end
def default(:passing_values) do
{:error, :no_default_value}
end
def default(:passing_names) do
{:error, :no_default_value}
end
def default(:returning) do
{:ok, nil}
end
def default(:path_spec) do
{:ok, nil}
end
def default(:format) do
{:ok, nil}
end
def default(:formatted_expr) do
{:ok, nil}
end
def default(:column_name) do
{:ok, ""}
end
def default(:op) do
{:ok, :JSON_EXPR_OP_UNDEFINED}
end
def default(:xpr) do
{:ok, nil}
end
def default(_) do
{:error, :no_such_field}
end
)
@spec schema() :: Protox.MessageSchema.t()
def schema() do
%{
__struct__: Protox.MessageSchema,
fields: %{
collation: %{
__struct__: Protox.Field,
extender: nil,
kind: %{__struct__: Protox.Scalar, default_value: 0},
label: :optional,
name: :collation,
tag: 16,
type: :uint32
},
column_name: %{
__struct__: Protox.Field,
extender: nil,
kind: %{__struct__: Protox.Scalar, default_value: ""},
label: :optional,
name: :column_name,
tag: 3,
type: :string
},
format: %{
__struct__: Protox.Field,
extender: nil,
kind: %{__struct__: Protox.Scalar, default_value: nil},
label: :optional,
name: :format,
tag: 5,
type: {:message, PgQuery.JsonFormat}
},
formatted_expr: %{
__struct__: Protox.Field,
extender: nil,
kind: %{__struct__: Protox.Scalar, default_value: nil},
label: :optional,
name: :formatted_expr,
tag: 4,
type: {:message, PgQuery.Node}
},
location: %{
__struct__: Protox.Field,
extender: nil,
kind: %{__struct__: Protox.Scalar, default_value: 0},
label: :optional,
name: :location,
tag: 17,
type: :int32
},
omit_quotes: %{
__struct__: Protox.Field,
extender: nil,
kind: %{__struct__: Protox.Scalar, default_value: false},
label: :optional,
name: :omit_quotes,
tag: 15,
type: :bool
},
on_empty: %{
__struct__: Protox.Field,
extender: nil,
kind: %{__struct__: Protox.Scalar, default_value: nil},
label: :optional,
name: :on_empty,
tag: 10,
type: {:message, PgQuery.JsonBehavior}
},
on_error: %{
__struct__: Protox.Field,
extender: nil,
kind: %{__struct__: Protox.Scalar, default_value: nil},
label: :optional,
name: :on_error,
tag: 11,
type: {:message, PgQuery.JsonBehavior}
},
op: %{
__struct__: Protox.Field,
extender: nil,
kind: %{__struct__: Protox.Scalar, default_value: :JSON_EXPR_OP_UNDEFINED},
label: :optional,
name: :op,
tag: 2,
type: {:enum, PgQuery.JsonExprOp}
},
passing_names: %{
__struct__: Protox.Field,
extender: nil,
kind: :unpacked,
label: :repeated,
name: :passing_names,
tag: 8,
type: {:message, PgQuery.Node}
},
passing_values: %{
__struct__: Protox.Field,
extender: nil,
kind: :unpacked,
label: :repeated,
name: :passing_values,
tag: 9,
type: {:message, PgQuery.Node}
},
path_spec: %{
__struct__: Protox.Field,
extender: nil,
kind: %{__struct__: Protox.Scalar, default_value: nil},
label: :optional,
name: :path_spec,
tag: 6,
type: {:message, PgQuery.Node}
},
returning: %{
__struct__: Protox.Field,
extender: nil,
kind: %{__struct__: Protox.Scalar, default_value: nil},
label: :optional,
name: :returning,
tag: 7,
type: {:message, PgQuery.JsonReturning}
},
use_io_coercion: %{
__struct__: Protox.Field,
extender: nil,
kind: %{__struct__: Protox.Scalar, default_value: false},
label: :optional,
name: :use_io_coercion,
tag: 12,
type: :bool
},
use_json_coercion: %{
__struct__: Protox.Field,
extender: nil,
kind: %{__struct__: Protox.Scalar, default_value: false},
label: :optional,
name: :use_json_coercion,
tag: 13,
type: :bool
},
wrapper: %{
__struct__: Protox.Field,
extender: nil,
kind: %{__struct__: Protox.Scalar, default_value: :JSON_WRAPPER_UNDEFINED},
label: :optional,
name: :wrapper,
tag: 14,
type: {:enum, PgQuery.JsonWrapper}
},
xpr: %{
__struct__: Protox.Field,
extender: nil,
kind: %{__struct__: Protox.Scalar, default_value: nil},
label: :optional,
name: :xpr,
tag: 1,
type: {:message, PgQuery.Node}
}
},
file_options: nil,
name: PgQuery.JsonExpr,
syntax: :proto3
}
end
end