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#include "funcapi.h" |
#include "funcapi.h" |
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#include "utils/builtins.h" |
#include "utils/builtins.h" |
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#include "utils/array.h" |
#include "utils/array.h" |
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#include "utils/lsyscache.h" |
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#include "miscadmin.h" |
#include "miscadmin.h" |
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#include <estraier.h> |
#include <estraier.h> |
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#include <cabin.h> |
#include <cabin.h> |
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#endif |
#endif |
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#define ATTR_DELIMITER "{{!}}" |
#define ATTR_DELIMITER "{{!}}" |
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#define HINTS_PREFIX "HINTS." |
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/* prototype */ |
/* prototype */ |
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char *attr2text(ESTDOC *doc, char *attr); |
char *attr2text(ESTDOC *doc, char *attr); |
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char *node_attr2text(ESTRESDOC *rdoc, char *attr); |
char *node_attr2text(ESTRESDOC *rdoc, char *attr); |
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void cond_add_attr(ESTCOND *cond, char *attr); |
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/* work in progress */ |
/* work in progress */ |
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ESTDB *db; |
ESTDB *db; |
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ESTCOND *cond; |
ESTCOND *cond; |
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ESTDOC *doc; |
ESTDOC *doc; |
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const CBLIST *texts; |
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int ecode, *est_result, resnum; |
int ecode, *est_result, resnum; |
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int limit = 0; |
int limit = 0; |
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int offset = 0; |
int offset = 0; |
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/* minimum valid attribute length is 10: @a STREQ a */ |
/* minimum valid attribute length is 10: @a STREQ a */ |
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if (! PG_ARGISNULL(2) && strlen(attr) >= 10) { |
if (! PG_ARGISNULL(2) && strlen(attr) >= 10) { |
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elog(DEBUG1,"attributes: %s", attr); |
elog(DEBUG1,"attributes: %s", attr); |
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char *curr_attr; |
cond_add_attr(cond, attr); |
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curr_attr = strtok(attr, ATTR_DELIMITER); |
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while (curr_attr) { |
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elog(DEBUG1,"est_cond_add_attr(%s)", curr_attr); |
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est_cond_add_attr(cond, curr_attr); |
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curr_attr = strtok(NULL, ATTR_DELIMITER); |
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} |
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} |
} |
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/* set the search phrase to the search condition object */ |
/* set the search phrase to the search condition object */ |
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if (! doc) return (Datum) NULL; |
if (! doc) return (Datum) NULL; |
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elog(DEBUG1, "doc: %08x, attr: %s", doc, attr); |
elog(DEBUG1, "doc: %p, attr: %s", doc, attr); |
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if ( (attrval = est_doc_attr(doc, attr)) && (attrlen = strlen(attrval)) ) { |
if ( (attrval = est_doc_attr(doc, attr)) && (attrlen = strlen(attrval)) ) { |
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val = (char *) palloc(attrlen * sizeof(char)); |
val = (char *) palloc(attrlen * sizeof(char)); |
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#define _arg_node_uri 0 |
#define _arg_node_uri 0 |
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#define _arg_login 1 |
#define _arg_login 1 |
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#define _arg_passwd 2 |
#define _arg_passwd 2 |
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#define _arg_query 3 |
#define _arg_depth 3 |
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#define _arg_attr 4 |
#define _arg_query 4 |
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#define _arg_order 5 |
#define _arg_attr 5 |
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#define _arg_limit 6 |
#define _arg_order 6 |
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#define _arg_offset 7 |
#define _arg_limit 7 |
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#define _arg_attr_array 8 |
#define _arg_offset 8 |
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#define _arg_attr_array 9 |
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/* as (foo text, ... ); */ |
/* as (foo text, ... ); */ |
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ESTCOND *cond; |
ESTCOND *cond; |
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ESTNODERES *nres; |
ESTNODERES *nres; |
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ESTRESDOC *rdoc; |
ESTRESDOC *rdoc; |
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const CBLIST *texts; |
CBMAP *hints; |
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int resnum = 0; |
int resnum = 0; |
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int limit = 0; |
int limit = 0; |
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int offset = 0; |
int offset = 0; |
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int depth = 0; |
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char *node_url; |
char *node_url; |
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char *user, *passwd; |
char *user, *passwd; |
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user = _textout(PG_GETARG_TEXT_P(_arg_login)); |
user = _textout(PG_GETARG_TEXT_P(_arg_login)); |
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passwd = _textout(PG_GETARG_TEXT_P(_arg_passwd)); |
passwd = _textout(PG_GETARG_TEXT_P(_arg_passwd)); |
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/* depth of search */ |
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if (PG_ARGISNULL(_arg_depth)) { |
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depth = 0; |
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} else { |
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depth = PG_GETARG_INT32(_arg_depth); |
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} |
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/* query string */ |
/* query string */ |
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if (PG_ARGISNULL(_arg_query)) { |
if (PG_ARGISNULL(_arg_query)) { |
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query = ""; |
query = ""; |
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node = est_node_new(node_url); |
node = est_node_new(node_url); |
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est_node_set_auth(node, user, passwd); |
est_node_set_auth(node, user, passwd); |
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elog(DEBUG1, "pgest_node: query[%s] attr[%s] limit %d offset %d", query, (PG_ARGISNULL(_arg_attr) ? "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); |
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/* create a search condition object */ |
/* create a search condition object */ |
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if (!(cond = est_cond_new())) { |
if (!(cond = est_cond_new())) { |
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/* minimum valid attribute length is 10: @a STREQ a */ |
/* minimum valid attribute length is 10: @a STREQ a */ |
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if (! PG_ARGISNULL(_arg_attr) && strlen(attr) >= 10) { |
if (! PG_ARGISNULL(_arg_attr) && strlen(attr) >= 10) { |
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elog(DEBUG1,"attributes: %s", attr); |
elog(DEBUG1,"attributes: %s", attr); |
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char *curr_attr; |
cond_add_attr(cond, attr); |
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curr_attr = strtok(attr, ATTR_DELIMITER); |
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while (curr_attr) { |
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elog(DEBUG1,"est_cond_add_attr(%s)", curr_attr); |
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est_cond_add_attr(cond, curr_attr); |
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curr_attr = strtok(NULL, ATTR_DELIMITER); |
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} |
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550 |
} |
} |
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/* set the search phrase to the search condition object */ |
/* set the search phrase to the search condition object */ |
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est_cond_set_max(cond, limit + offset); |
est_cond_set_max(cond, limit + offset); |
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} |
} |
562 |
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563 |
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if (offset) { |
564 |
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elog(DEBUG1,"est_cond_set_skip(%d)", offset); |
565 |
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est_cond_set_skip(cond, offset); |
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} |
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/* get the result of search */ |
/* get the result of search */ |
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/* FIXME: allow user to specify depath of search */ |
nres = est_node_search(node, cond, depth); |
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nres = est_node_search(node, cond, 0); |
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if (! nres) { |
if (! nres) { |
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int status = est_node_status(node); |
int status = est_node_status(node); |
592 |
nrows = resnum - offset; |
nrows = resnum - offset; |
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} |
} |
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/* get hints */ |
596 |
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hints = est_noderes_hints(nres); |
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elog(DEBUG1, "pgest_node: found %d hits for %s", resnum, query); |
elog(DEBUG1, "pgest_node: found %d hits for %s", resnum, query); |
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{ |
{ |
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/* get result from estraier */ |
/* get result from estraier */ |
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if (! ( rdoc = est_noderes_get_doc(nres, i + offset) )) { |
if (! ( rdoc = est_noderes_get_doc(nres, i) )) { |
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elog(INFO, "pgest_node: can't find result %d", i + offset); |
elog(INFO, "pgest_node: can't find result %d", i + offset); |
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} else { |
} else { |
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elog(DEBUG1, "URI: %s\n Title: %s\n", |
elog(DEBUG1, "URI: %s\n Title: %s\n", |
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for (j = 0; j < ncols; j++) |
for (j = 0; j < ncols; j++) |
618 |
{ |
{ |
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bool isnull; |
bool isnull; |
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char *attr; /* current attribute name */ |
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char *hint; /* position of current hint in attribute */ |
622 |
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char *hint_val; |
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/* array value of this position */ |
/* array value of this position */ |
625 |
indx[0] = j + attr_dim_lower_bounds[0]; |
indx[0] = j + attr_dim_lower_bounds[0]; |
626 |
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dvalue = array_ref(attr_arr, attr_ndims, indx, -1, attr_len, attr_byval, attr_align, &isnull); |
dvalue = array_ref(attr_arr, attr_ndims, indx, -1, attr_len, attr_byval, attr_align, &isnull); |
628 |
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attr = (char *)DirectFunctionCall1(textout, dvalue); |
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630 |
if (!isnull && rdoc) |
if (!isnull && (hint = strstr(attr, HINTS_PREFIX)) != NULL) { |
631 |
values[j] = DatumGetCString( |
/* skip HINTS. prefix */ |
632 |
node_attr2text(rdoc, |
hint += strlen(HINTS_PREFIX); |
633 |
(char *)DirectFunctionCall1(textout, dvalue) |
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)); |
hint_val = cbmapget(hints, hint, -1, NULL); |
635 |
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elog(DEBUG2, "hint %s = %s", hint, hint_val); |
636 |
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637 |
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if (hint_val != NULL) { |
638 |
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values[j] = DatumGetCString( hint_val ); |
639 |
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} else { |
640 |
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elog(INFO, "can't get hint in results: %s", hint); |
641 |
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values[j] = NULL; |
642 |
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} |
643 |
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} else if (!isnull && rdoc) |
644 |
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values[j] = DatumGetCString( node_attr2text(rdoc, attr) ); |
645 |
else |
else |
646 |
values[j] = NULL; |
values[j] = NULL; |
647 |
} |
} |
690 |
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if (! rdoc) return (Datum) NULL; |
if (! rdoc) return (Datum) NULL; |
692 |
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693 |
elog(DEBUG1, "doc: %08x, attr: %s", rdoc, attr); |
elog(DEBUG1, "doc: %p, attr: %s", rdoc, attr); |
694 |
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if ( (attrval = est_resdoc_attr(rdoc, attr)) && (attrlen = strlen(attrval)) ) { |
if ( (attrval = est_resdoc_attr(rdoc, attr)) && (attrlen = strlen(attrval)) ) { |
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val = (char *) palloc(attrlen * sizeof(char)); |
val = (char *) palloc(attrlen * sizeof(char)); |
716 |
return val; |
return val; |
717 |
} |
} |
718 |
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719 |
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/* parse attributes and add them to confition */ |
720 |
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void cond_add_attr(ESTCOND *cond, char *attr) { |
721 |
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char *next; |
722 |
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char *curr_attr; |
723 |
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while ( strlen(attr) > 0 ) { |
724 |
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printf("len [%s] = %d\n", attr, strlen(attr)); |
725 |
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if ((next = strstr(attr, ATTR_DELIMITER)) != NULL) { |
726 |
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curr_attr = palloc( next - attr + 1 ); |
727 |
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memcpy(curr_attr, attr, next-attr); |
728 |
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curr_attr[next-attr] = '\0'; |
729 |
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next += strlen(ATTR_DELIMITER); |
730 |
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} else { |
731 |
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next = ""; |
732 |
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curr_attr = attr; |
733 |
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} |
734 |
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elog(DEBUG1, "est_cond_add_attr(%s)", curr_attr); |
735 |
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est_cond_add_attr(cond, curr_attr); |
736 |
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attr = next; |
737 |
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} |
738 |
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} |