File: xmlschema.c

package info (click to toggle)
virtuoso-opensource 6.1.6+dfsg2-4
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, buster, sid, stretch
  • size: 260,992 kB
  • ctags: 125,220
  • sloc: ansic: 652,748; sql: 458,419; xml: 282,834; java: 61,031; sh: 40,031; cpp: 36,890; cs: 25,240; php: 12,692; yacc: 9,523; lex: 7,018; makefile: 6,157; jsp: 4,484; awk: 1,643; perl: 1,013; ruby: 1,003; python: 326
file content (666 lines) | stat: -rw-r--r-- 19,181 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
/*
 *  xmlschema.c
 *
 *  $Id$
 *
 *  Dynamic SQL Compiler, part 2
 *
 *  This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
 *  project.
 *
 *  Copyright (C) 1998-2012 OpenLink Software
 *
 *  This project is free software; you can redistribute it and/or modify it
 *  under the terms of the GNU General Public License as published by the
 *  Free Software Foundation; only version 2 of the License, dated June 1991.
 *
 *  This program is distributed in the hope that it will be useful, but
 *  WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 *  General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 *
 */

#include "sqlnode.h"
#include "eqlcomp.h"
#include "xmlnode.h"
#include "sqlpar.h"
#include "sqlpfn.h"
#include "sqlcmps.h"
#include "sqlfn.h"
#include "sqlbif.h"
#include "xml.h"
#include "xmltree.h"


char *xmlt1 =
"create table SYS_ELEMENT_TABLE (\n"
"	ET_ELEMENT varchar, \n"
"	ET_TABLE varchar,\n"
"	primary key (ET_ELEMENT))";

char *xmlt2 =
"create table SYS_ELEMENT_MAP (\n"
"	EM_TABLE varchar,\n"
"	EM_A_ID integer,\n"
"	EM_COL_ID integer,\n"
"	primary key (EM_TABLE,EM_COL_ID))";

char *xmlt3 =
"create table SYS_ATTR (\n"
"	A_NAME varchar,\n"
"	A_ID integer,\n"
"	primary key (A_ID))";

char *xmlt4 =
"create table SYS_ATTR_META (AM_A_ID integer, AM_URI varchar, \n"
"	AM_DATA varchar,\n"
"	primary key (AM_A_ID, AM_URI))";


char * xmlt5 =
"create table SYS_VT_INDEX (VI_TABLE varchar, VI_INDEX varchar, VI_COL varchar, "
"	VI_ID_COL varchar, VI_INDEX_TABLE varchar,"
"       VI_ID_IS_PK integer, VI_ID_CONSTR varchar,"
"       VI_OFFBAND_COLS varchar, VI_OPTIONS varchar, VI_LANGUAGE varchar, VI_ENCODING varchar,"
"       primary key (VI_TABLE, VI_COL))\n"
"alter index SYS_VT_INDEX on SYS_VT_INDEX partition cluster REPLICATED";


xml_schema_t *xml_global;



xml_schema_t *
xs_allocate (void)
{
  NEW_VARZ (xml_schema_t, xs);

  xs->xs_id_to_attr = hash_table_allocate (101);
  xs->xs_name_to_attr = id_str_hash_create (2003);
  xs->xs_element_table = id_str_hash_create (101);
  xs->xs_key_id_to_element = hash_table_allocate (101);
  xs->xs_views = id_str_hash_create (101);
  xs->xs_old_views = (dk_set_t  *) dk_alloc_zero (sizeof (dk_set_t));/*mapping schema*/
  return xs;
}

xml_attr_t *
xml_attr_allocate (oid_t id, char *name)
{
  NEW_VARZ (xml_attr_t, xa);
  xa->xa_id = id;
  xa->xa_name = box_dv_short_string (name);
  {
    NEW_VARZ (dbe_column_t, col);
    col->col_is_misc = 1;
    col->col_name = box_dv_short_string (name);
    col->col_id = id;
    col->col_sqt.sqt_dtp = DV_LONG_STRING;
    xa->xa_col = col;
  }
  return xa;
}


key_id_t entity_key_id;
key_id_t textfrag_key_id;
oid_t entity_misc_col_id;
oid_t entity_name_col_id;
oid_t entity_wspace_col_id;
oid_t entity_id_col_id;
oid_t entity_level_col_id;
oid_t entity_leading_col_id;
oid_t entity_trailing_col_id;
oid_t textfrag_leading_col_id;
oid_t textfrag_long_col_id;
dbe_table_t * entity_table;
dbe_table_t * textfrag_table;


char * ent_map_text =
"create procedure xml_element_table (in tb varchar, in element varchar, in attr_col varchar)\n"
"{\n"
"  declare c integer;\n"
"  if (not exists (select 1 from SYS_KEYS where KEY_TABLE = tb))\n"
"    signal ('S0002', 'No table in xml_entity_map');\n"
"  insert soft SYS_ELEMENT_TABLE (ET_ELEMENT, ET_TABLE) values (element, tb);\n"
"  declare inx integer;\n"
"  inx := 0;\n"
"  while (inx < length (attr_col)) {\n"
"    declare cid, aid integer;\n"
"    whenever not found goto no_col;\n"
"    select COL_ID into cid from SYS_COLS \n"
"      where \\TABLE = tb and \\COLUMN = aref (attr_col, inx);\n"
"    xml_attr (aref (attr_col, inx + 1));\n"
"    select A_ID into aid from SYS_ATTR where A_NAME = aref (attr_col, inx + 1);\n"
"    insert soft SYS_ELEMENT_MAP (EM_TABLE, EM_COL_ID, EM_A_ID) values (tb, cid, aid);\n"
"    inx := inx + 2;\n"
"  }\n"
"  xmls_element_table (element, tb);\n"
"  log_text ('xmls_element_table (?, ?)', element, tb);\n"
"  select sum ((xmls_element_col (tb, EM_COL_ID, EM_A_ID),\n"
"	       log_text ('xmls_element_col (?, ?, ?)', tb, EM_COL_ID, EM_A_ID))) \n"
"    into c from SYS_ELEMENT_MAP where EM_TABLE = tb;\n"
"  return;\n"
" no_col:\n"
"  signal ('S0022', 'No column or attribute in xml_element_element_table');\n"
"}";

void
xmls_init (void)
{
  local_cursor_t *lc;
  caddr_t err;
  query_t *qr;
  dbe_table_t *tb;
  ddl_ensure_table ("DB.DBA.SYS_ELEMENT_TABLE", xmlt1);
  ddl_ensure_table ("DB.DBA.SYS_ELEMENT_MAP", xmlt2);
  ddl_ensure_table ("DB.DBA.SYS_ATTR", xmlt3);
  ddl_ensure_table ("DB.DBA.SYS_ATTR_META", xmlt4);
  ddl_ensure_table ("DB.DBA.SYS_VT_INDEX", xmlt5);

  ddl_std_proc (ent_map_text, 1);

  if (!xml_global)
    xml_global = xs_allocate ();

  qr = sql_compile_static ("select A_ID, A_NAME from SYS_ATTR",
		    bootstrap_cli, &err, SQLC_DEFAULT);
  if (NULL != err) goto no_attrs;
  err = qr_quick_exec (qr, bootstrap_cli, "", &lc, 0);
  while (lc_next (lc))
    {
      oid_t a_id = (oid_t) unbox (lc_nth_col (lc, 0));
      caddr_t name = box_copy_tree (lc_nth_col (lc, 1));
      xml_attr_t *xa = xml_attr_allocate (a_id, name);
      id_hash_set (xml_global->xs_name_to_attr, (caddr_t) & xa->xa_name, (caddr_t) & xa);
      sethash ((void *) (ptrlong) a_id, xml_global->xs_id_to_attr, (void *) xa);
    }
  lc_free (lc);
  qr_free (qr);
no_attrs:
  ddl_sel_for_effect ("select count (*) from SYS_ELEMENT_TABLE where xmls_element_table (ET_ELEMENT, ET_TABLE)");
  ddl_sel_for_effect ("select count (*) from SYS_ELEMENT_MAP where xmls_element_col (EM_TABLE, EM_COL_ID, EM_A_ID)");
  tb = sch_name_to_table (isp_schema (NULL), "DB.DBA.SYS_VT_INDEX");
  if (tb && tb_name_to_column (tb, LAST_FTI_COL))
    ddl_sel_for_effect ("select count (*)  from SYS_VT_INDEX where 0 = __vt_index (VI_TABLE, VI_INDEX, VI_COL, VI_ID_COL, VI_INDEX_TABLE, deserialize (VI_OFFBAND_COLS), VI_LANGUAGE, VI_ENCODING, deserialize (VI_ID_CONSTR), VI_OPTIONS)");
  else
    ddl_sel_for_effect ("select count (*)  from SYS_VT_INDEX where 0 = __vt_index (VI_TABLE, VI_INDEX, VI_COL, VI_ID_COL, VI_INDEX_TABLE, deserialize (VI_OFFBAND_COLS), VI_LANGUAGE, NULL, deserialize (VI_ID_CONSTR), VI_OPTIONS)");
#ifdef OLD_VXML_TABLES
  xp_comp_init ();
#endif
  xml_tree_init ();
  xml_lazy_init ();
}


xml_attr_t *
lt_xml_attr (lock_trx_t * lt, char *name)
{
  xml_attr_t **place;
  xml_local_t *xl = lt ? (xml_local_t *) lt->lt_cd : NULL;
  if (xl)
    {
      xml_attr_t *xa;
      oid_t key;
      dk_hash_iterator_t hit;
      dk_hash_iterator (&hit, xl->xl_local_attrs);
      while (dk_hit_next (&hit, (void **) &key, (void **) &xa))
	{
	  if (0 == strcmp (xa->xa_name, name))
	    return (xa);
	}
    }
  place = (xml_attr_t **) id_hash_get (xml_global->xs_name_to_attr, (caddr_t) & name);
  if (!place)
    return NULL;
  return (*place);
}


xml_attr_t *
lt_xml_attr_by_id (lock_trx_t * lt, oid_t a_id)
{
  xml_local_t *xl = lt ? (xml_local_t *) lt->lt_cd : NULL;
  if (xl)
    {
      xml_attr_t *xa = (xml_attr_t *) gethash ((void *) (ptrlong) a_id, xl->xl_local_attrs);
      if (xa)
	return xa;
    }
  return ((xml_attr_t *) gethash ((void *) (ptrlong) a_id, xml_global->xs_id_to_attr));
}


dbe_column_t *
lt_xml_col (lock_trx_t * lt, char *name)
{
  xml_attr_t *xa = lt_xml_attr (lt, name);
  if (xa)
    return (xa->xa_col);
  return NULL;
}





void
xml_local_commit (lock_trx_t * lt)
{
  xml_local_t *xl = (xml_local_t *) lt->lt_cd;
  dk_hash_iterator_t hit;
  void *k;
  xml_attr_t *xa;

  if (!xl)
    return;
  lt->lt_cd = NULL;
  dk_hash_iterator (&hit, xl->xl_local_attrs);
  while (dk_hit_next (&hit, (void **) &k, (void **) (void **) &xa))
    {
      sethash ((void *) (ptrlong) xa->xa_id, xml_global->xs_id_to_attr, (void *) xa);
      id_hash_set (xml_global->xs_name_to_attr, (caddr_t) & xa->xa_name, (caddr_t) & xa);
    }
  hash_table_free (xl->xl_local_attrs);
  dk_free ((caddr_t) xl, sizeof (xml_local_t));
}


void
xml_local_rollback (lock_trx_t * lt)
{
  xml_local_t *xl = (xml_local_t *) lt->lt_cd;
  dk_hash_iterator_t hit;
  void *k;
  xml_attr_t *xa;

  if (!xl)
    return;
  lt->lt_cd = NULL;
  dk_hash_iterator (&hit, xl->xl_local_attrs);
  while (dk_hit_next (&hit, (void **) &k, (void **) &xa))
    {
      dk_free_box (xa->xa_name);
      dk_free ((caddr_t) xa, sizeof (xml_attr_t));
    }
  hash_table_free (xl->xl_local_attrs);
  dk_free ((caddr_t) xl, sizeof (xml_local_t));
}


xml_local_t *
xml_local_allocate (lock_trx_t * lt)
{
  NEW_VARZ (xml_local_t, xl);
  xl->xl_local_attrs = hash_table_allocate (101);
  lt->lt_cd = (void *) xl;
  lt->lt_commit_hook = xml_local_commit;
  lt->lt_rollback_hook = xml_local_rollback;
  return xl;
}


void
lt_local_attr (lock_trx_t * lt, char *name, oid_t a_id)
{
  xml_local_t *xl = (xml_local_t *) lt->lt_cd;
  xml_attr_t *xa = xml_attr_allocate (a_id, name);
  if (!xl)
    {
      xl = xml_local_allocate (lt);
    }
  sethash ((void *) (ptrlong) a_id, xl->xl_local_attrs, (void *) xa);
}


caddr_t
bif_xml_attr_replay (caddr_t * qst, caddr_t * err_ret, state_slot_t ** args)
{
  query_instance_t *qi = (query_instance_t *) qst;
  caddr_t name = bif_string_arg (qst, args, 0, "xml_arg_replay");
  oid_t id = (oid_t) bif_long_arg (qst, args, 1, "xml_arg_replay");
  lt_local_attr (qi->qi_trx, name, id);
  return 0;
}


caddr_t
bif_xml_attr (caddr_t * qst, caddr_t * err_ret, state_slot_t ** args)
{
  query_instance_t *qi = (query_instance_t *) qst;
  caddr_t name = bif_string_arg (qst, args, 0, "xml_attr");
  oid_t id;
  caddr_t arr;
  xml_attr_t *attr = lt_xml_attr (qi->qi_trx, name);
  if (attr)
    return (box_num (attr->xa_id));
  id = qi_new_attr (qi, name);
  arr = (caddr_t) list (3, box_dv_short_string ("xml_attr_replay (?, ?)"), box_copy (name), box_num (id));
  log_text_array (qi->qi_trx, arr);
  dk_free_tree (arr);
  return (box_num (id));
}


oid_t
qi_new_attr (query_instance_t * qi, char *name)
{
  oid_t a_id;
  local_cursor_t *lc;
  caddr_t err = NULL;
  static query_t *new_attr_qr;
  static query_t *ins_attr_qr;

  if (!new_attr_qr)
    {
      new_attr_qr = sql_compile_static ("select A_ID from DB.DBA.SYS_ATTR order by A_ID desc for update",
				 bootstrap_cli, &err, SQLC_DEFAULT);
      ins_attr_qr = sql_compile_static ("insert into DB.DBA.SYS_ATTR (A_ID, A_NAME) values (?, ?)",
				 bootstrap_cli, &err, SQLC_DEFAULT);
      if (err)
	sqlr_resignal (err);
    }
  err = qr_rec_exec (new_attr_qr, qi->qi_client, &lc, qi, NULL, 0);
  if (err)
    sqlr_resignal (err);
  if (lc_next (lc))
    {
      a_id = (oid_t) unbox (lc_nth_col (lc, 0));
    }
  else
    a_id = MIN_MISC_ID;
  lc_free (lc);
  a_id++;
  err = qr_rec_exec (ins_attr_qr, qi->qi_client, NULL, qi, NULL, 2,
		     ":0", (ptrlong) a_id, QRP_INT,
		     ":1", name, QRP_STR);
  if (err)
    sqlr_resignal (err);

  lt_local_attr (qi->qi_trx, name, a_id);
  return a_id;
}





oid_t
lt_attr_col_id (lock_trx_t * lt, key_id_t key_id, oid_t a_id)
{
  return a_id;
}


dbe_table_t *
xmls_element_table (char * elt)
{
  dbe_table_t ** place = (dbe_table_t **)
    id_hash_get (xml_global->xs_element_table, (caddr_t) &elt);
  if (place)
    return (*place);
  return NULL;
}


caddr_t
bif_xmls_element_table (caddr_t * qst, caddr_t * err_ret, state_slot_t ** args)
{
  query_instance_t *qi = (query_instance_t *) qst;
  caddr_t e_name = bif_string_arg (qst, args, 0, "xmls_element_table");
  caddr_t tb_name = bif_string_arg (qst, args, 1, "xmls_element_table");
  caddr_t e_copy = box_copy (e_name);
  dbe_table_t *tb = sch_name_to_table (isp_schema (qi->qi_space), tb_name);
  if (!tb)
    return (box_num (-1));
  id_hash_set (xml_global->xs_element_table, (caddr_t) & e_copy, (caddr_t) & tb);
  sethash ((void *)(ptrlong) tb->tb_primary_key->key_id, xml_global->xs_key_id_to_element, (void *) e_copy);
  return (box_num (0));
}


caddr_t
bif_xmls_element_col (caddr_t * qst, caddr_t * err_ret, state_slot_t ** args)
{
  query_instance_t *qi = (query_instance_t *) qst;
  caddr_t tb_name = bif_string_arg (qst, args, 0, "xmld_element_col");
  ptrlong cid = bif_long_arg (qst, args, 1, "xmls_element_col");
  ptrlong aid = bif_long_arg (qst, args, 2, "xmls_element_col");
  dbe_table_t *tb = sch_name_to_table (isp_schema (qi->qi_space), tb_name);
  if (!tb)
    return (box_num (-1));
  if (!tb->tb_misc_id_to_col_id)
    {
      tb->tb_misc_id_to_col_id = hash_table_allocate (11);
      tb->tb_col_id_to_misc_id = hash_table_allocate (11);
    }
  sethash ((void *) cid, tb->tb_col_id_to_misc_id, (void *) aid);
  sethash ((void *) aid, tb->tb_misc_id_to_col_id, (void *) cid);
  return (box_num (0));
}


caddr_t
bif_vt_index (caddr_t * qst, caddr_t * err_ret, state_slot_t ** args)
{
  query_instance_t * qi = (query_instance_t *) qst;
  dbe_schema_t * pending_sc = qi->qi_trx->lt_pending_schema;
  dbe_schema_t * global_sc = /*isp_schema (qi->qi_trx->lt_after_space)*/ wi_inst.wi_schema;
  caddr_t tb_name = bif_string_arg (qst, args, 0, "vt_index");
  caddr_t index_name = bif_string_arg (qst, args, 1, "vt_index");
  caddr_t text_col_name = bif_string_arg (qst, args, 2, "vt_index");
  caddr_t id_col_name = bif_string_arg (qst, args, 3, "vt_index");
  caddr_t index_tb_name = bif_string_arg (qst, args, 4, "vt_index");
  dbe_table_t * tb = NULL;
  dbe_table_t * inx_tb = sch_name_to_table (isp_schema (qi->qi_space), index_tb_name);
  dbe_column_t * text_col, * id_col;
  dbe_key_t * id_key = NULL;
  caddr_t lang = NULL;
  caddr_t enc = NULL;
  caddr_t * offb_data = NULL;
  caddr_t * constr_data = NULL;

  if (pending_sc)
    tb  = sch_name_to_table (pending_sc, tb_name);
  if (!tb)
    tb  = sch_name_to_table (global_sc, tb_name);
  if (!tb)
    sqlr_error ("S0002", "No table in vt_index");
  if (!inx_tb)
    sqlr_error ("S0002", "No index table in vt_index");
  DO_SET (dbe_key_t *, key, &tb->tb_keys)
    {
      if (0 == strcmp (key->key_name, index_name))
	{
	id_key = key;
	  break;
	}
    }
  END_DO_SET ();
  if (!id_key)
    sqlr_error ("S0022", "no index in vt_index");
  id_col = tb_name_to_column (tb, id_col_name);
  text_col = tb_name_to_column (tb, text_col_name);
  if (!text_col)
    {
      /* text col is always case insensitive.  Trick to allow geo and ft inxon the same o col of rdf_quad */
      DO_SET (dbe_column_t *, col, &tb->tb_primary_key->key_parts)
	{
	  if (0 == stricmp (col->col_name, text_col_name))
	    {
	      text_col = col;
	      break;
	    }
	}
      END_DO_SET();
    }
  if (!id_col || !text_col)
    sqlr_error ("S0002", "No column in vt_index");
    {
    id_key->key_text_table = inx_tb;
    id_key->key_text_col = text_col;
    text_col->col_is_text_index = 1;
    }
  /* added: init of language & offband cols members */
  if (BOX_ELEMENTS (args) > 5)
    {
      int ix, len;
      dbe_column_t ** off_cols;
      dbe_column_t * off_col;
      offb_data = (caddr_t *) bif_arg (qst, args, 5, "vt_index");
      if (IS_BOX_POINTER (text_col->col_offband_cols))
	dk_free_box ((caddr_t)(text_col->col_offband_cols));
      if (offb_data && DV_ARRAY_OF_POINTER == DV_TYPE_OF (offb_data) && BOX_ELEMENTS (offb_data)  > 0)
	{
	  len = BOX_ELEMENTS (offb_data);
	  off_cols = (dbe_column_t **) dk_alloc_box (len * sizeof (void *), DV_ARRAY_OF_POINTER);
	  for (ix = 0; ix < len; ix++)
	    {
	      off_col = tb_name_to_column (tb, offb_data [ix]);
	      off_cols [ix] = off_col;
	    }
	  text_col->col_offband_cols = off_cols;
	}
      else
	text_col->col_offband_cols = NULL;
    }
  if (BOX_ELEMENTS (args) > 6)
    {
      lang = bif_string_or_null_arg (qst, args, 6, "vt_index");
      if (IS_BOX_POINTER(text_col->col_lang))
	dk_free_box (text_col->col_lang);
      if (lang)
	{
	  text_col->col_lang = box_copy (lang);
	}
      else
	text_col->col_lang = NULL;
    }
  if (BOX_ELEMENTS (args) > 7)
    {
      enc = bif_string_or_null_arg (qst, args, 7, "vt_index");
      if (IS_BOX_POINTER(text_col->col_enc))
	dk_free_box (text_col->col_enc);
      if (enc)
	{
	  text_col->col_enc = box_copy (enc);
	}
      else
	text_col->col_enc = NULL;
    }
  if (BOX_ELEMENTS (args) > 8)
    {
      int ix, len;
      dbe_column_t ** constr_cols;
      dbe_column_t * constr_col;
      constr_data = (caddr_t *) bif_arg (qst, args, 8, "vt_index");
      if (IS_BOX_POINTER (text_col->col_constr_cols))
	dk_free_box ((caddr_t)(text_col->col_constr_cols));
      if (constr_data && DV_ARRAY_OF_POINTER == DV_TYPE_OF (constr_data) && BOX_ELEMENTS (constr_data) > 0)
	{
	  len = BOX_ELEMENTS (constr_data);
	  constr_cols = (dbe_column_t **) dk_alloc_box (len * sizeof (void *), DV_ARRAY_OF_POINTER);
	  for (ix = 0; ix < len; ix++)
	    {
	      constr_col = tb_name_to_column (tb, constr_data [ix]);
	      constr_cols [ix] = constr_col;
	    }
	  text_col->col_constr_cols = constr_cols;
	}
      else
	text_col->col_constr_cols = NULL;
    }
  tb->tb__text_key = id_key;
  return 0;
}


dbe_column_t *
tb_name_to_column_misc (dbe_table_t * tb, char *name)
{
  dbe_column_t *col = tb_name_to_column (tb, name);
  if (!col
      && sch_is_subkey_incl (/*isp_schema (db_main_tree->it_commit_space)*/ wi_inst.wi_schema, tb->tb_primary_key->key_id, entity_key_id))
    {
      col = lt_xml_col (NULL, name);
      if (col && tb->tb_misc_id_to_col_id)
	{
	  oid_t cid = (oid_t) (ptrlong) gethash ((void *) (ptrlong) col->col_id, tb->tb_misc_id_to_col_id);
	  if (cid)
	    {
	      DO_SET (dbe_column_t *, col2, &tb->tb_primary_key->key_parts)
	      {
		if (col2->col_id == cid)
		  return col2;
	      }
	      END_DO_SET ();
	    }
	}
    }
  return col;
}


caddr_t
qi_sel_for_effect (query_instance_t * qi, char *str, int n_pars,...)
{
  char *a1[8];
  char *a2[8];
  long a3[8];
  int inx;
  va_list ap;
  caddr_t err;
  local_cursor_t *lc;
  query_t *qr = sql_compile (str, bootstrap_cli, &err, SQLC_DEFAULT);
  if (err != (caddr_t) SQL_SUCCESS)
    return err;
  va_start (ap, n_pars);

  if (n_pars > 4)
    GPF_T1 ("no more than 9 args for qi_sel_for_effect");
  for (inx = 0; inx < n_pars; inx++)
    {
      a1[inx] = va_arg (ap, char *);
      a2[inx] = va_arg (ap, char *);
      a3[inx] = va_arg (ap, long);
    }

  err = qr_rec_exec (qr,qi->qi_client,  &lc, qi, NULL, n_pars,
		       a1[0], a2[0], a3[0],
		       a1[1], a2[1], a3[1],
		       a1[2], a2[2], a3[2],
		       a1[3], a2[3], a3[3]
    );
  if (err != (caddr_t) SQL_SUCCESS)
    return err;
  while (lc_next (lc))
    ;
  err = lc->lc_error;
  lc_free (lc);
  qr_free (qr);
  return err;
}

caddr_t
qi_tb_xml_schema (query_instance_t * qi, char *read_tb)
{
  caddr_t err;
  dbe_table_t *tb = sch_name_to_table (isp_schema (NULL), "DB.DBA.SYS_VT_INDEX");

  if (tb && !tb_name_to_column (tb, LAST_FTI_COL))
    return NULL;

  err = qi_sel_for_effect (qi, "select __vt_index (VI_TABLE, VI_INDEX, VI_COL, VI_ID_COL, VI_INDEX_TABLE, deserialize (VI_OFFBAND_COLS), VI_LANGUAGE, VI_ENCODING, deserialize (VI_ID_CONSTR), VI_OPTIONS) "
		     " from DB.DBA.SYS_VT_INDEX where VI_TABLE = ?", 1,
		     ":0", read_tb, QRP_STR);
  if (err)
    return err;
  return NULL;
}