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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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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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/* 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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} |
} |
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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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nrows = resnum - offset; |
nrows = resnum - offset; |
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} |
} |
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/* get hints */ |
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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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for (j = 0; j < ncols; j++) |
for (j = 0; j < ncols; j++) |
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{ |
{ |
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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 */ |
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char *hint_val; |
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/* array value of this position */ |
/* array value of this position */ |
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indx[0] = j + attr_dim_lower_bounds[0]; |
indx[0] = j + attr_dim_lower_bounds[0]; |
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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); |
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attr = (char *)DirectFunctionCall1(textout, dvalue); |
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if (!isnull && rdoc) |
if (!isnull && (hint = strstr(attr, HINTS_PREFIX)) != NULL) { |
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values[j] = DatumGetCString( |
/* skip HINTS. prefix */ |
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node_attr2text(rdoc, |
hint += strlen(HINTS_PREFIX); |
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(char *)DirectFunctionCall1(textout, dvalue) |
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)); |
hint_val = cbmapget(hints, hint, -1, NULL); |
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elog(DEBUG2, "hint %s = %s", hint, hint_val); |
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if (hint_val != NULL) { |
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values[j] = DatumGetCString( hint_val ); |
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} else { |
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elog(INFO, "can't get hint in results: %s", hint); |
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values[j] = NULL; |
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} |
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} else if (!isnull && rdoc) |
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values[j] = DatumGetCString( node_attr2text(rdoc, attr) ); |
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else |
else |
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values[j] = NULL; |
values[j] = NULL; |
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} |
} |
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if (! rdoc) return (Datum) NULL; |
if (! rdoc) return (Datum) NULL; |
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elog(DEBUG1, "doc: %08x, attr: %s", rdoc, attr); |
elog(DEBUG1, "doc: %p, attr: %s", rdoc, attr); |
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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)); |
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return val; |
return val; |
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} |
} |
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/* parse attributes and add them to confition */ |
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void cond_add_attr(ESTCOND *cond, char *attr) { |
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char *next; |
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char *curr_attr; |
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while ( strlen(attr) > 0 ) { |
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printf("len [%s] = %d\n", attr, strlen(attr)); |
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if ((next = strstr(attr, ATTR_DELIMITER)) != NULL) { |
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curr_attr = palloc( next - attr + 1 ); |
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memcpy(curr_attr, attr, next-attr); |
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curr_attr[next-attr] = '\0'; |
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next += strlen(ATTR_DELIMITER); |
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} else { |
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next = ""; |
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curr_attr = attr; |
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} |
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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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attr = next; |
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} |
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} |