355 |
* |
* |
356 |
*/ |
*/ |
357 |
|
|
358 |
|
/* select * from pgest( */ |
359 |
|
#define _arg_node_uri 0 |
360 |
|
#define _arg_login 1 |
361 |
|
#define _arg_passwd 2 |
362 |
|
#define _arg_depth 3 |
363 |
|
#define _arg_query 4 |
364 |
|
#define _arg_attr 5 |
365 |
|
#define _arg_order 6 |
366 |
|
#define _arg_limit 7 |
367 |
|
#define _arg_offset 8 |
368 |
|
#define _arg_attr_array 9 |
369 |
|
/* as (foo text, ... ); */ |
370 |
|
|
371 |
|
|
372 |
PG_FUNCTION_INFO_V1(pgest_node); |
PG_FUNCTION_INFO_V1(pgest_node); |
373 |
Datum pgest_node(PG_FUNCTION_ARGS) |
Datum pgest_node(PG_FUNCTION_ARGS) |
374 |
{ |
{ |
375 |
ArrayType *attr_arr = PG_GETARG_ARRAYTYPE_P(8); |
ArrayType *attr_arr = PG_GETARG_ARRAYTYPE_P(_arg_attr_array); |
376 |
Oid attr_element_type = ARR_ELEMTYPE(attr_arr); |
Oid attr_element_type = ARR_ELEMTYPE(attr_arr); |
377 |
int attr_ndims = ARR_NDIM(attr_arr); |
int attr_ndims = ARR_NDIM(attr_arr); |
378 |
int *attr_dim_counts = ARR_DIMS(attr_arr); |
int *attr_dim_counts = ARR_DIMS(attr_arr); |
403 |
int resnum = 0; |
int resnum = 0; |
404 |
int limit = 0; |
int limit = 0; |
405 |
int offset = 0; |
int offset = 0; |
406 |
|
int depth = 0; |
407 |
|
|
408 |
char *node_url; |
char *node_url; |
409 |
char *user, *passwd; |
char *user, *passwd; |
463 |
/* take rest of arguments from function */ |
/* take rest of arguments from function */ |
464 |
|
|
465 |
/* node URL */ |
/* node URL */ |
466 |
if (PG_ARGISNULL(0)) { |
if (PG_ARGISNULL(_arg_node_uri)) { |
467 |
ereport(ERROR, |
ereport(ERROR, |
468 |
(errcode(ERRCODE_INVALID_PARAMETER_VALUE), |
(errcode(ERRCODE_INVALID_PARAMETER_VALUE), |
469 |
errmsg("node URL can't be null"), |
errmsg("node URL can't be null"), |
470 |
errdetail("Node URL must be valid URL to HyperEstraier node"))); |
errdetail("Node URL must be valid URL to HyperEstraier node"))); |
471 |
} |
} |
472 |
node_url = _textout(PG_GETARG_TEXT_P(0)); |
node_url = _textout(PG_GETARG_TEXT_P(_arg_node_uri)); |
473 |
|
|
474 |
/* login and password */ |
/* login and password */ |
475 |
if (PG_ARGISNULL(1) || PG_ARGISNULL(2)) { |
if (PG_ARGISNULL(_arg_login) || PG_ARGISNULL(_arg_passwd)) { |
476 |
ereport(ERROR, |
ereport(ERROR, |
477 |
(errcode(ERRCODE_INVALID_PARAMETER_VALUE), |
(errcode(ERRCODE_INVALID_PARAMETER_VALUE), |
478 |
errmsg("username and password can't be NULL"), |
errmsg("username and password can't be NULL"), |
479 |
errdetail("You must specify valid username and password to HyperEstraier node"))); |
errdetail("You must specify valid username and password to HyperEstraier node"))); |
480 |
} |
} |
481 |
user = _textout(PG_GETARG_TEXT_P(1)); |
user = _textout(PG_GETARG_TEXT_P(_arg_login)); |
482 |
passwd = _textout(PG_GETARG_TEXT_P(2)); |
passwd = _textout(PG_GETARG_TEXT_P(_arg_passwd)); |
483 |
|
|
484 |
|
/* depth of search */ |
485 |
|
if (PG_ARGISNULL(_arg_depth)) { |
486 |
|
depth = 0; |
487 |
|
} else { |
488 |
|
depth = PG_GETARG_INT32(_arg_depth); |
489 |
|
} |
490 |
|
|
491 |
/* query string */ |
/* query string */ |
492 |
if (PG_ARGISNULL(3)) { |
if (PG_ARGISNULL(_arg_query)) { |
493 |
query = ""; |
query = ""; |
494 |
} else { |
} else { |
495 |
query = _textout(PG_GETARG_TEXT_P(3)); |
query = _textout(PG_GETARG_TEXT_P(_arg_query)); |
496 |
} |
} |
497 |
|
|
498 |
/* atribute filter */ |
/* atribute filter */ |
499 |
if (PG_ARGISNULL(4)) { |
if (PG_ARGISNULL(_arg_attr)) { |
500 |
attr = ""; |
attr = ""; |
501 |
} else { |
} else { |
502 |
attr = _textout(PG_GETARG_TEXT_P(4)); |
attr = _textout(PG_GETARG_TEXT_P(_arg_attr)); |
503 |
} |
} |
504 |
|
|
505 |
/* sort order */ |
/* sort order */ |
506 |
if (PG_ARGISNULL(5)) { |
if (PG_ARGISNULL(_arg_order)) { |
507 |
order = ""; |
order = ""; |
508 |
} else { |
} else { |
509 |
order = _textout(PG_GETARG_TEXT_P(5)); |
order = _textout(PG_GETARG_TEXT_P(_arg_order)); |
510 |
} |
} |
511 |
|
|
512 |
|
|
513 |
/* limit */ |
/* limit */ |
514 |
if (PG_ARGISNULL(6)) { |
if (PG_ARGISNULL(_arg_limit)) { |
515 |
limit = 0; |
limit = 0; |
516 |
} else { |
} else { |
517 |
limit = PG_GETARG_INT32(6); |
limit = PG_GETARG_INT32(_arg_limit); |
518 |
} |
} |
519 |
|
|
520 |
/* offset */ |
/* offset */ |
521 |
if (PG_ARGISNULL(7)) { |
if (PG_ARGISNULL(_arg_offset)) { |
522 |
offset = 0; |
offset = 0; |
523 |
} else { |
} else { |
524 |
offset = PG_GETARG_INT32(7); |
offset = PG_GETARG_INT32(_arg_offset); |
525 |
} |
} |
526 |
|
|
527 |
/* initialize the network environment */ |
/* initialize the network environment */ |
535 |
node = est_node_new(node_url); |
node = est_node_new(node_url); |
536 |
est_node_set_auth(node, user, passwd); |
est_node_set_auth(node, user, passwd); |
537 |
|
|
538 |
elog(DEBUG1, "pgest_node: query[%s] attr[%s] limit %d offset %d", query, (PG_ARGISNULL(4) ? "NULL" : attr), limit, offset); |
elog(DEBUG1, "pgest_node: node: %s (d:%d) query[%s] attr[%s] limit %d offset %d", node_url, depth, query, (PG_ARGISNULL(_arg_attr) ? "NULL" : attr), limit, offset); |
539 |
|
|
540 |
/* create a search condition object */ |
/* create a search condition object */ |
541 |
if (!(cond = est_cond_new())) { |
if (!(cond = est_cond_new())) { |
544 |
} |
} |
545 |
|
|
546 |
/* set the search phrase to the search condition object */ |
/* set the search phrase to the search condition object */ |
547 |
if (! PG_ARGISNULL(3) && strlen(query) > 0) |
if (! PG_ARGISNULL(_arg_query) && strlen(query) > 0) |
548 |
est_cond_set_phrase(cond, query); |
est_cond_set_phrase(cond, query); |
549 |
|
|
550 |
/* minimum valid attribute length is 10: @a STREQ a */ |
/* minimum valid attribute length is 10: @a STREQ a */ |
551 |
if (! PG_ARGISNULL(4) && strlen(attr) >= 10) { |
if (! PG_ARGISNULL(_arg_attr) && strlen(attr) >= 10) { |
552 |
elog(DEBUG1,"attributes: %s", attr); |
elog(DEBUG1,"attributes: %s", attr); |
553 |
char *curr_attr; |
char *curr_attr; |
554 |
curr_attr = strtok(attr, ATTR_DELIMITER); |
curr_attr = strtok(attr, ATTR_DELIMITER); |
560 |
} |
} |
561 |
|
|
562 |
/* set the search phrase to the search condition object */ |
/* set the search phrase to the search condition object */ |
563 |
if (! PG_ARGISNULL(5) && strlen(order) > 0) { |
if (! PG_ARGISNULL(_arg_order) && strlen(order) > 0) { |
564 |
elog(DEBUG1,"est_cond_set_order(%s)", order); |
elog(DEBUG1,"est_cond_set_order(%s)", order); |
565 |
est_cond_set_order(cond, order); |
est_cond_set_order(cond, order); |
566 |
} |
} |
571 |
} |
} |
572 |
|
|
573 |
/* get the result of search */ |
/* get the result of search */ |
574 |
/* FIXME: allow user to specify depath of search */ |
nres = est_node_search(node, cond, depth); |
|
nres = est_node_search(node, cond, 0); |
|
575 |
|
|
576 |
if (! nres) { |
if (! nres) { |
577 |
int status = est_node_status(node); |
int status = est_node_status(node); |