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DB-1367 Sending marker for unchanged TOAST columns

pull/20/head
Gunnar Morling 2019-07-01 12:54:52 +02:00
parent 44cf35d4b5
commit d01282a180
4 changed files with 48 additions and 31 deletions
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1
proto/pg_logicaldec.proto
View File

@ -27,6 +27,7 @@ message DatumMessage {
string datum_string = 8;
bytes datum_bytes = 9;
Point datum_point = 10;
bool datum_missing = 11;
}
}

3
src/decoderbufs.c
View File

@ -446,7 +446,8 @@ static void tuple_to_tuple_msg(Decoderbufs__DatumMessage **tmsg,
getTypeOutputInfo(attr->atttypid, &typoutput, &typisvarlena);
if (!isnull) {
if (typisvarlena && VARATT_IS_EXTERNAL_ONDISK(origval)) {
// TODO: Is there a way we can handle this?
datum_msg.datum_missing = true;
datum_msg.datum_case = DECODERBUFS__DATUM_MESSAGE__DATUM_DATUM_MISSING;
elog(DEBUG1, "Not handling external on disk varlena at the moment.");
} else if (!typisvarlena) {
set_datum_value(&datum_msg, attr->atttypid, typoutput, origval);

19
src/proto/pg_logicaldec.pb-c.c
View File

@ -230,7 +230,7 @@ const ProtobufCMessageDescriptor decoderbufs__point__descriptor =
(ProtobufCMessageInit) decoderbufs__point__init,
NULL,NULL,NULL /* reserved[123] */
};
static const ProtobufCFieldDescriptor decoderbufs__datum_message__field_descriptors[10] =
static const ProtobufCFieldDescriptor decoderbufs__datum_message__field_descriptors[11] =
{
{
"column_name",
@ -352,6 +352,18 @@ static const ProtobufCFieldDescriptor decoderbufs__datum_message__field_descript
0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */
0,NULL,NULL /* reserved1,reserved2, etc */
},
{
"datum_missing",
11,
PROTOBUF_C_LABEL_OPTIONAL,
PROTOBUF_C_TYPE_BOOL,
offsetof(Decoderbufs__DatumMessage, datum_case),
offsetof(Decoderbufs__DatumMessage, datum_missing),
NULL,
NULL,
0 | PROTOBUF_C_FIELD_FLAG_ONEOF, /* flags */
0,NULL,NULL /* reserved1,reserved2, etc */
},
};
static const unsigned decoderbufs__datum_message__field_indices_by_name[] = {
0, /* field[0] = column_name */
@ -362,13 +374,14 @@ static const unsigned decoderbufs__datum_message__field_indices_by_name[] = {
4, /* field[4] = datum_float */
2, /* field[2] = datum_int32 */
3, /* field[3] = datum_int64 */
10, /* field[10] = datum_missing */
9, /* field[9] = datum_point */
7, /* field[7] = datum_string */
};
static const ProtobufCIntRange decoderbufs__datum_message__number_ranges[1 + 1] =
{
{ 1, 0 },
{ 0, 10 }
{ 0, 11 }
};
const ProtobufCMessageDescriptor decoderbufs__datum_message__descriptor =
{
@ -378,7 +391,7 @@ const ProtobufCMessageDescriptor decoderbufs__datum_message__descriptor =
"Decoderbufs__DatumMessage",
"decoderbufs",
sizeof(Decoderbufs__DatumMessage),
10,
11,
decoderbufs__datum_message__field_descriptors,
decoderbufs__datum_message__field_indices_by_name,
1, decoderbufs__datum_message__number_ranges,

2
src/proto/pg_logicaldec.pb-c.h
View File

@ -53,6 +53,7 @@ typedef enum {
DECODERBUFS__DATUM_MESSAGE__DATUM_DATUM_STRING = 8,
DECODERBUFS__DATUM_MESSAGE__DATUM_DATUM_BYTES = 9,
DECODERBUFS__DATUM_MESSAGE__DATUM_DATUM_POINT = 10,
DECODERBUFS__DATUM_MESSAGE__DATUM_DATUM_MISSING = 11,
} Decoderbufs__DatumMessage__DatumCase;
struct _Decoderbufs__DatumMessage
@ -71,6 +72,7 @@ struct _Decoderbufs__DatumMessage
char *datum_string;
ProtobufCBinaryData datum_bytes;
Decoderbufs__Point *datum_point;
protobuf_c_boolean datum_missing;
};
};
#define DECODERBUFS__DATUM_MESSAGE__INIT \