/*
* After a query, server sends a list of column name with their types
*
* | 1 byte | 1 byte | 0-8 bytes | variable bytes |
* | Length | Size number of fields | Number fields | unknown flags and fields |
*/
static enum proto_parse_status tns_parse_row_description_prefix(struct tns_parser *tns_parser, struct sql_proto_info *info, struct cursor *cursor)
{
enum proto_parse_status status;
SLOG(LOG_DEBUG, "Parsing row description prefix");
CHECK(1);
unsigned length = cursor_read_u8(cursor);
DROP_FIX(cursor, length);
DROP_VAR(cursor);
if (PROTO_OK != (status = read_field_count(tns_parser, info, cursor))) return status;
DROP_FIX(cursor, 1);
for (unsigned i = 0; i < info->u.query.nb_fields; i++) {
DROP_FIX(cursor, 3);
DROP_VARS(cursor, 4);
DROP_DALC(cursor);
DROP_VARS(cursor, 2);
DROP_FIX(cursor, 1);
DROP_VAR(cursor);
DROP_FIX(cursor, 2);
for (unsigned i = 0; i < 3; ++i) {
DROP_DALC(cursor);
}
DROP_VAR(cursor);
}
DROP_DALC(cursor);
DROP_VARS(cursor, 2);
return PROTO_OK;
}
/*
* | 1 byte | 1 + 0-8 bytes | up to 5 vars |
* | Flag | Number column | unknown |
*/
static enum proto_parse_status tns_parse_row_prefix(struct tns_parser *tns_parser,
struct sql_proto_info *info, struct cursor *cursor)
{
enum proto_parse_status status;
SLOG(LOG_DEBUG, "Parsing Row prefix");
DROP_FIX(cursor, 1);
if (PROTO_OK != (status = read_field_count(tns_parser, info, cursor))) return status;
for (unsigned i = 0; i < 5; i++) {
CHECK(1);
char c = cursor_peek_u8(cursor, 0);
if (c == TTC_ROW_DATA || c == TTC_END_MESSAGE) return PROTO_OK;
DROP_VAR(cursor);
}
return PROTO_OK;
}
static enum proto_parse_status tns_parse_row_prefix(struct tns_parser *tns_parser,
struct sql_proto_info *info, struct cursor *cursor)
{
enum proto_parse_status status;
SLOG(LOG_DEBUG, "Parsing Row prefix");
/* A row prefix contains
* - 1 byte flag
* - Number column
* - 5 var
*/
DROP_FIX(cursor, 1);
if (PROTO_OK != (status = read_field_count(tns_parser, info, cursor))) return status;
DROP_VARS(cursor, 5);
return PROTO_OK;
}
