static
void pgr_fetch_row(
HeapTuple *tuple,
TupleDesc *tupdesc,
Column_info_t info[3],
Matrix_cell_t *distance) {
distance->from_vid = pgr_SPI_getBigInt(tuple, tupdesc, info[0]);
distance->to_vid = pgr_SPI_getBigInt(tuple, tupdesc, info[1]);
distance->cost = pgr_SPI_getFloat8(tuple, tupdesc, info[2]);
}
static
void fetch_restriction(
HeapTuple *tuple,
TupleDesc *tupdesc,
Column_info_t info[4],
Restrict_t *restriction) {
restriction->id = pgr_SPI_getBigInt(tuple, tupdesc, info[0]);
restriction->cost = pgr_SPI_getFloat8(tuple, tupdesc, info[1]);
char *str = DatumGetCString(
SPI_getvalue(*tuple, *tupdesc, info[2].colNumber));
// TODO(someone) because its text, no guarantee the text read is correct
// move this code to c++ to tokenize the integers.
int i = 0;
for (i = 0; i < MAX_RULE_LENGTH; ++i) restriction->restricted_edges[i] = -1;
str[0] = ',';
if (str != NULL) {
char *token = NULL;
int i = 0;
token = (char *)strtok(str, " ,");
while (token != NULL && i < MAX_RULE_LENGTH) {
restriction->restricted_edges[i] = atoi(token);
i++;
token = (char *)strtok(NULL, " ,");
}
}
}
static
void fetch_customer(
HeapTuple *tuple,
TupleDesc *tupdesc,
Column_info_t info[9],
Customer_t *customer) {
customer->id = pgr_SPI_getBigInt(tuple, tupdesc, info[0]);
customer->x = pgr_SPI_getFloat8(tuple, tupdesc, info[1]);
customer->y = pgr_SPI_getFloat8(tuple, tupdesc, info[2]);
customer->demand = pgr_SPI_getFloat8(tuple, tupdesc, info[3]);
customer->Etime = pgr_SPI_getFloat8(tuple, tupdesc, info[4]);
customer->Ltime = pgr_SPI_getFloat8(tuple, tupdesc, info[5]);
customer->Stime = pgr_SPI_getFloat8(tuple, tupdesc, info[6]);
customer->Pindex = pgr_SPI_getBigInt(tuple, tupdesc, info[7]);
customer->Dindex = pgr_SPI_getBigInt(tuple, tupdesc, info[8]);
customer->Ddist = 0;
}
static
void fetch_edge_with_xy(
HeapTuple *tuple,
TupleDesc *tupdesc,
Column_info_t info[9],
int64_t *default_id,
float8 default_rcost,
Pgr_edge_xy_t *edge,
size_t *valid_edges,
bool normal) {
if (column_found(info[0].colNumber)) {
edge->id = pgr_SPI_getBigInt(tuple, tupdesc, info[0]);
} else {
edge->id = *default_id;
++(*default_id);
}
if (normal) {
edge->source = pgr_SPI_getBigInt(tuple, tupdesc, info[1]);
edge->target = pgr_SPI_getBigInt(tuple, tupdesc, info[2]);
} else {
edge->target = pgr_SPI_getBigInt(tuple, tupdesc, info[1]);
edge->source = pgr_SPI_getBigInt(tuple, tupdesc, info[2]);
}
edge->cost = pgr_SPI_getFloat8(tuple, tupdesc, info[3]);
if (column_found(info[4].colNumber)) {
edge->reverse_cost = pgr_SPI_getFloat8(tuple, tupdesc, info[4]);
} else {
edge->reverse_cost = default_rcost;
}
edge->x1 = pgr_SPI_getFloat8(tuple, tupdesc, info[5]);
edge->y1 = pgr_SPI_getFloat8(tuple, tupdesc, info[6]);
edge->x2 = pgr_SPI_getFloat8(tuple, tupdesc, info[7]);
edge->y2 = pgr_SPI_getFloat8(tuple, tupdesc, info[8]);
*valid_edges = edge->cost < 0? *valid_edges: *valid_edges + 1;
*valid_edges = edge->reverse_cost < 0? *valid_edges: *valid_edges + 1;
}
static
void fetch_basic_edge(
HeapTuple *tuple,
TupleDesc *tupdesc,
Column_info_t info[5],
int64_t *default_id,
pgr_basic_edge_t *edge,
size_t *valid_edges) {
if (column_found(info[0].colNumber)) {
edge->id = pgr_SPI_getBigInt(tuple, tupdesc, info[0]);
} else {
edge->id = *default_id;
++(*default_id);
}
edge->source = pgr_SPI_getBigInt(tuple, tupdesc, info[1]);
edge->target = pgr_SPI_getBigInt(tuple, tupdesc, info[2]);
edge->going = pgr_SPI_getFloat8(tuple, tupdesc, info[3]) > 0 ? true : false;
edge->coming = (column_found(info[4].colNumber) && pgr_SPI_getFloat8(tuple, tupdesc, info[4]) > 0) ? true : false;
(*valid_edges)++;
}