1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 7 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2018 The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Authors: Ard Biesheuvel <a.k.biesheuvel@its.tudelft.nl> |
16 +----------------------------------------------------------------------+
17 */
18
19 #ifdef HAVE_CONFIG_H
20 #include "config.h"
21 #endif
22
23 #include "php.h"
24 #include "php_ini.h"
25
26 #if HAVE_IBASE
27
28 #include "ext/standard/php_standard.h"
29 #include "php_interbase.h"
30 #include "php_ibase_includes.h"
31
32 #define ISC_LONG_MIN INT_MIN
33 #define ISC_LONG_MAX INT_MAX
34
35 #define QUERY_RESULT 1
36 #define EXECUTE_RESULT 2
37
38 #define FETCH_ROW 1
39 #define FETCH_ARRAY 2
40
41 typedef struct {
42 ISC_ARRAY_DESC ar_desc;
43 ISC_LONG ar_size; /* size of entire array in bytes */
44 unsigned short el_type, el_size;
45 } ibase_array;
46
47 typedef struct {
48 ibase_db_link *link;
49 ibase_trans *trans;
50 struct _ib_query *query;
51 isc_stmt_handle stmt;
52 unsigned short type;
53 unsigned char has_more_rows, statement_type;
54 XSQLDA *out_sqlda;
55 ibase_array out_array[1]; /* last member */
56 } ibase_result;
57
58 typedef struct _ib_query {
59 ibase_db_link *link;
60 ibase_trans *trans;
61 ibase_result *result;
62 zend_resource *result_res;
63 isc_stmt_handle stmt;
64 XSQLDA *in_sqlda, *out_sqlda;
65 ibase_array *in_array, *out_array;
66 unsigned short in_array_cnt, out_array_cnt;
67 unsigned short dialect;
68 char statement_type;
69 char *query;
70 zend_resource *trans_res;
71 } ibase_query;
72
73 typedef struct {
74 unsigned short vary_length;
75 char vary_string[1];
76 } IBVARY;
77
78 /* sql variables union
79 * used for convert and binding input variables
80 */
81 typedef struct {
82 union {
83 short sval;
84 float fval;
85 ISC_LONG lval;
86 ISC_QUAD qval;
87 ISC_TIMESTAMP tsval;
88 ISC_DATE dtval;
89 ISC_TIME tmval;
90 } val;
91 short sqlind;
92 } BIND_BUF;
93
94 static int le_result, le_query;
95
96 #define LE_RESULT "Firebird/InterBase result"
97 #define LE_QUERY "Firebird/InterBase query"
98
_php_ibase_free_xsqlda(XSQLDA * sqlda)99 static void _php_ibase_free_xsqlda(XSQLDA *sqlda) /* {{{ */
100 {
101 int i;
102 XSQLVAR *var;
103
104 IBDEBUG("Free XSQLDA?");
105 if (sqlda) {
106 IBDEBUG("Freeing XSQLDA...");
107 var = sqlda->sqlvar;
108 for (i = 0; i < sqlda->sqld; i++, var++) {
109 efree(var->sqldata);
110 if (var->sqlind) {
111 efree(var->sqlind);
112 }
113 }
114 efree(sqlda);
115 }
116 }
117 /* }}} */
118
_php_ibase_free_stmt_handle(ibase_db_link * link,isc_stmt_handle stmt)119 static void _php_ibase_free_stmt_handle(ibase_db_link *link, isc_stmt_handle stmt) /* {{{ */
120 {
121 static char info[] = { isc_info_base_level, isc_info_end };
122
123 if (stmt) {
124 char res_buf[8];
125 IBDEBUG("Dropping statement handle (free_stmt_handle)...");
126 /* Only free statement if db-connection is still open */
127 if (SUCCESS == isc_database_info(IB_STATUS, &link->handle,
128 sizeof(info), info, sizeof(res_buf), res_buf)) {
129 if (isc_dsql_free_statement(IB_STATUS, &stmt, DSQL_drop)) {
130 _php_ibase_error();
131 }
132 }
133 }
134 }
135 /* }}} */
136
_php_ibase_free_result(zend_resource * rsrc)137 static void _php_ibase_free_result(zend_resource *rsrc) /* {{{ */
138 {
139 ibase_result *ib_result = (ibase_result *) rsrc->ptr;
140
141 IBDEBUG("Freeing result by dtor...");
142 if (ib_result) {
143 _php_ibase_free_xsqlda(ib_result->out_sqlda);
144 if (ib_result->query != NULL) {
145 IBDEBUG("query still valid; don't drop statement handle");
146 ib_result->query->result = NULL; /* Indicate to query, that result is released */
147 } else {
148 _php_ibase_free_stmt_handle(ib_result->link, ib_result->stmt);
149 }
150 efree(ib_result);
151 }
152 }
153 /* }}} */
154
_php_ibase_free_query(ibase_query * ib_query)155 static void _php_ibase_free_query(ibase_query *ib_query) /* {{{ */
156 {
157 IBDEBUG("Freeing query...");
158
159 if (ib_query->in_sqlda) {
160 efree(ib_query->in_sqlda);
161 }
162 if (ib_query->out_sqlda) {
163 efree(ib_query->out_sqlda);
164 }
165 if (ib_query->result != NULL) {
166 IBDEBUG("result still valid; don't drop statement handle");
167 ib_query->result->query = NULL; /* Indicate to result, that query is released */
168 } else {
169 _php_ibase_free_stmt_handle(ib_query->link, ib_query->stmt);
170 }
171 if (ib_query->in_array) {
172 efree(ib_query->in_array);
173 }
174 if (ib_query->out_array) {
175 efree(ib_query->out_array);
176 }
177 if (ib_query->query) {
178 efree(ib_query->query);
179 }
180 }
181 /* }}} */
182
php_ibase_free_query_rsrc(zend_resource * rsrc)183 static void php_ibase_free_query_rsrc(zend_resource *rsrc) /* {{{ */
184 {
185 ibase_query *ib_query = (ibase_query *)rsrc->ptr;
186
187 if (ib_query != NULL) {
188 IBDEBUG("Preparing to free query by dtor...");
189 _php_ibase_free_query(ib_query);
190 efree(ib_query);
191 }
192 }
193 /* }}} */
194
php_ibase_query_minit(INIT_FUNC_ARGS)195 void php_ibase_query_minit(INIT_FUNC_ARGS) /* {{{ */
196 {
197 le_result = zend_register_list_destructors_ex(_php_ibase_free_result, NULL,
198 "interbase result", module_number);
199 le_query = zend_register_list_destructors_ex(php_ibase_free_query_rsrc, NULL,
200 "interbase query", module_number);
201 }
202 /* }}} */
203
_php_ibase_alloc_array(ibase_array ** ib_arrayp,XSQLDA * sqlda,isc_db_handle link,isc_tr_handle trans,unsigned short * array_cnt)204 static int _php_ibase_alloc_array(ibase_array **ib_arrayp, XSQLDA *sqlda, /* {{{ */
205 isc_db_handle link, isc_tr_handle trans, unsigned short *array_cnt)
206 {
207 unsigned short i, n;
208 ibase_array *ar;
209
210 /* first check if we have any arrays at all */
211 for (i = *array_cnt = 0; i < sqlda->sqld; ++i) {
212 if ((sqlda->sqlvar[i].sqltype & ~1) == SQL_ARRAY) {
213 ++*array_cnt;
214 }
215 }
216 if (! *array_cnt) return SUCCESS;
217
218 ar = safe_emalloc(sizeof(ibase_array), *array_cnt, 0);
219
220 for (i = n = 0; i < sqlda->sqld; ++i) {
221 unsigned short dim;
222 zend_ulong ar_size = 1;
223 XSQLVAR *var = &sqlda->sqlvar[i];
224
225 if ((var->sqltype & ~1) == SQL_ARRAY) {
226 ibase_array *a = &ar[n++];
227 ISC_ARRAY_DESC *ar_desc = &a->ar_desc;
228
229 if (isc_array_lookup_bounds(IB_STATUS, &link, &trans, var->relname,
230 var->sqlname, ar_desc)) {
231 _php_ibase_error();
232 efree(ar);
233 return FAILURE;
234 }
235
236 switch (ar_desc->array_desc_dtype) {
237 case blr_text:
238 case blr_text2:
239 a->el_type = SQL_TEXT;
240 a->el_size = ar_desc->array_desc_length;
241 break;
242 case blr_short:
243 a->el_type = SQL_SHORT;
244 a->el_size = sizeof(short);
245 break;
246 case blr_long:
247 a->el_type = SQL_LONG;
248 a->el_size = sizeof(ISC_LONG);
249 break;
250 case blr_float:
251 a->el_type = SQL_FLOAT;
252 a->el_size = sizeof(float);
253 break;
254 case blr_double:
255 a->el_type = SQL_DOUBLE;
256 a->el_size = sizeof(double);
257 break;
258 case blr_int64:
259 a->el_type = SQL_INT64;
260 a->el_size = sizeof(ISC_INT64);
261 break;
262 case blr_timestamp:
263 a->el_type = SQL_TIMESTAMP;
264 a->el_size = sizeof(ISC_TIMESTAMP);
265 break;
266 case blr_sql_date:
267 a->el_type = SQL_TYPE_DATE;
268 a->el_size = sizeof(ISC_DATE);
269 break;
270 case blr_sql_time:
271 a->el_type = SQL_TYPE_TIME;
272 a->el_size = sizeof(ISC_TIME);
273 break;
274 case blr_varying:
275 case blr_varying2:
276 /**
277 * IB has a strange way of handling VARCHAR arrays. It doesn't store
278 * the length in the first short, as with VARCHAR fields. It does,
279 * however, expect the extra short to be allocated for each element.
280 */
281 a->el_type = SQL_TEXT;
282 a->el_size = ar_desc->array_desc_length + sizeof(short);
283 break;
284 case blr_quad:
285 case blr_blob_id:
286 case blr_cstring:
287 case blr_cstring2:
288 /**
289 * These types are mentioned as array types in the manual, but I
290 * wouldn't know how to create an array field with any of these
291 * types. I assume these types are not applicable to arrays, and
292 * were mentioned erroneously.
293 */
294 default:
295 _php_ibase_module_error("Unsupported array type %d in relation '%s' column '%s'",
296 ar_desc->array_desc_dtype, var->relname, var->sqlname);
297 efree(ar);
298 return FAILURE;
299 } /* switch array_desc_type */
300
301 /* calculate elements count */
302 for (dim = 0; dim < ar_desc->array_desc_dimensions; dim++) {
303 ar_size *= 1 + ar_desc->array_desc_bounds[dim].array_bound_upper
304 -ar_desc->array_desc_bounds[dim].array_bound_lower;
305 }
306 a->ar_size = a->el_size * ar_size;
307 } /* if SQL_ARRAY */
308 } /* for column */
309 *ib_arrayp = ar;
310 return SUCCESS;
311 }
312 /* }}} */
313
314 /* allocate and prepare query */
_php_ibase_alloc_query(ibase_query * ib_query,ibase_db_link * link,ibase_trans * trans,char * query,unsigned short dialect,zend_resource * trans_res)315 static int _php_ibase_alloc_query(ibase_query *ib_query, ibase_db_link *link, /* {{{ */
316 ibase_trans *trans, char *query, unsigned short dialect, zend_resource *trans_res)
317 {
318 static char info_type[] = {isc_info_sql_stmt_type};
319 char result[8];
320
321 /* Return FAILURE, if querystring is empty */
322 if (*query == '\0') {
323 php_error_docref(NULL, E_WARNING, "Querystring empty.");
324 return FAILURE;
325 }
326
327 ib_query->link = link;
328 ib_query->trans = trans;
329 ib_query->result_res = NULL;
330 ib_query->result = NULL;
331 ib_query->stmt = 0;
332 ib_query->in_array = NULL;
333 ib_query->out_array = NULL;
334 ib_query->dialect = dialect;
335 ib_query->query = estrdup(query);
336 ib_query->trans_res = trans_res;
337 ib_query->out_sqlda = NULL;
338 ib_query->in_sqlda = NULL;
339
340 if (isc_dsql_allocate_statement(IB_STATUS, &link->handle, &ib_query->stmt)) {
341 _php_ibase_error();
342 goto _php_ibase_alloc_query_error;
343 }
344
345 ib_query->out_sqlda = (XSQLDA *) emalloc(XSQLDA_LENGTH(1));
346 ib_query->out_sqlda->sqln = 1;
347 ib_query->out_sqlda->version = SQLDA_CURRENT_VERSION;
348
349 if (isc_dsql_prepare(IB_STATUS, &ib_query->trans->handle, &ib_query->stmt,
350 0, query, dialect, ib_query->out_sqlda)) {
351 _php_ibase_error();
352 goto _php_ibase_alloc_query_error;
353 }
354
355 /* find out what kind of statement was prepared */
356 if (isc_dsql_sql_info(IB_STATUS, &ib_query->stmt, sizeof(info_type),
357 info_type, sizeof(result), result)) {
358 _php_ibase_error();
359 goto _php_ibase_alloc_query_error;
360 }
361 ib_query->statement_type = result[3];
362
363 /* not enough output variables ? */
364 if (ib_query->out_sqlda->sqld > ib_query->out_sqlda->sqln) {
365 ib_query->out_sqlda = erealloc(ib_query->out_sqlda, XSQLDA_LENGTH(ib_query->out_sqlda->sqld));
366 ib_query->out_sqlda->sqln = ib_query->out_sqlda->sqld;
367 ib_query->out_sqlda->version = SQLDA_CURRENT_VERSION;
368 if (isc_dsql_describe(IB_STATUS, &ib_query->stmt, SQLDA_CURRENT_VERSION, ib_query->out_sqlda)) {
369 _php_ibase_error();
370 goto _php_ibase_alloc_query_error;
371 }
372 }
373
374 /* maybe have input placeholders? */
375 ib_query->in_sqlda = emalloc(XSQLDA_LENGTH(1));
376 ib_query->in_sqlda->sqln = 1;
377 ib_query->in_sqlda->version = SQLDA_CURRENT_VERSION;
378 if (isc_dsql_describe_bind(IB_STATUS, &ib_query->stmt, SQLDA_CURRENT_VERSION, ib_query->in_sqlda)) {
379 _php_ibase_error();
380 goto _php_ibase_alloc_query_error;
381 }
382
383 /* not enough input variables ? */
384 if (ib_query->in_sqlda->sqln < ib_query->in_sqlda->sqld) {
385 ib_query->in_sqlda = erealloc(ib_query->in_sqlda, XSQLDA_LENGTH(ib_query->in_sqlda->sqld));
386 ib_query->in_sqlda->sqln = ib_query->in_sqlda->sqld;
387 ib_query->in_sqlda->version = SQLDA_CURRENT_VERSION;
388
389 if (isc_dsql_describe_bind(IB_STATUS, &ib_query->stmt,
390 SQLDA_CURRENT_VERSION, ib_query->in_sqlda)) {
391 _php_ibase_error();
392 goto _php_ibase_alloc_query_error;
393 }
394 }
395
396 /* no, haven't placeholders at all */
397 if (ib_query->in_sqlda->sqld == 0) {
398 efree(ib_query->in_sqlda);
399 ib_query->in_sqlda = NULL;
400 } else if (FAILURE == _php_ibase_alloc_array(&ib_query->in_array, ib_query->in_sqlda,
401 link->handle, trans->handle, &ib_query->in_array_cnt)) {
402 goto _php_ibase_alloc_query_error;
403 }
404
405 if (ib_query->out_sqlda->sqld == 0) {
406 efree(ib_query->out_sqlda);
407 ib_query->out_sqlda = NULL;
408 } else if (FAILURE == _php_ibase_alloc_array(&ib_query->out_array, ib_query->out_sqlda,
409 link->handle, trans->handle, &ib_query->out_array_cnt)) {
410 goto _php_ibase_alloc_query_error;
411 }
412
413 return SUCCESS;
414
415 _php_ibase_alloc_query_error:
416
417 if (ib_query->out_sqlda) {
418 efree(ib_query->out_sqlda);
419 }
420 if (ib_query->in_sqlda) {
421 efree(ib_query->in_sqlda);
422 }
423 if (ib_query->out_array) {
424 efree(ib_query->out_array);
425 }
426 if (ib_query->query) {
427 efree(ib_query->query);
428 }
429 return FAILURE;
430 }
431 /* }}} */
432
_php_ibase_bind_array(zval * val,char * buf,zend_ulong buf_size,ibase_array * array,int dim)433 static int _php_ibase_bind_array(zval *val, char *buf, zend_ulong buf_size, /* {{{ */
434 ibase_array *array, int dim)
435 {
436 zval null_val, *pnull_val = &null_val;
437 int u_bound = array->ar_desc.array_desc_bounds[dim].array_bound_upper,
438 l_bound = array->ar_desc.array_desc_bounds[dim].array_bound_lower,
439 dim_len = 1 + u_bound - l_bound;
440
441 ZVAL_NULL(pnull_val);
442
443 if (dim < array->ar_desc.array_desc_dimensions) {
444 zend_ulong slice_size = buf_size / dim_len;
445 unsigned short i;
446 zval *subval = val;
447
448 if (Z_TYPE_P(val) == IS_ARRAY) {
449 zend_hash_internal_pointer_reset(Z_ARRVAL_P(val));
450 }
451
452 for (i = 0; i < dim_len; ++i) {
453
454 if (Z_TYPE_P(val) == IS_ARRAY &&
455 (subval = zend_hash_get_current_data(Z_ARRVAL_P(val))) == NULL)
456 {
457 subval = pnull_val;
458 }
459
460 if (_php_ibase_bind_array(subval, buf, slice_size, array, dim+1) == FAILURE)
461 {
462 return FAILURE;
463 }
464 buf += slice_size;
465
466 if (Z_TYPE_P(val) == IS_ARRAY) {
467 zend_hash_move_forward(Z_ARRVAL_P(val));
468 }
469 }
470
471 if (Z_TYPE_P(val) == IS_ARRAY) {
472 zend_hash_internal_pointer_reset(Z_ARRVAL_P(val));
473 }
474
475 } else {
476 /* expect a single value */
477 if (Z_TYPE_P(val) == IS_NULL) {
478 memset(buf, 0, buf_size);
479 } else if (array->ar_desc.array_desc_scale < 0) {
480
481 /* no coercion for array types */
482 double l;
483
484 convert_to_double(val);
485
486 if (Z_DVAL_P(val) > 0) {
487 l = Z_DVAL_P(val) * pow(10, -array->ar_desc.array_desc_scale) + .5;
488 } else {
489 l = Z_DVAL_P(val) * pow(10, -array->ar_desc.array_desc_scale) - .5;
490 }
491
492 switch (array->el_type) {
493 case SQL_SHORT:
494 if (l > SHRT_MAX || l < SHRT_MIN) {
495 _php_ibase_module_error("Array parameter exceeds field width");
496 return FAILURE;
497 }
498 *(short*) buf = (short) l;
499 break;
500 case SQL_LONG:
501 if (l > ISC_LONG_MAX || l < ISC_LONG_MIN) {
502 _php_ibase_module_error("Array parameter exceeds field width");
503 return FAILURE;
504 }
505 *(ISC_LONG*) buf = (ISC_LONG) l;
506 break;
507 case SQL_INT64:
508 {
509 long double l;
510
511 convert_to_string(val);
512
513 if (!sscanf(Z_STRVAL_P(val), "%Lf", &l)) {
514 _php_ibase_module_error("Cannot convert '%s' to long double",
515 Z_STRVAL_P(val));
516 return FAILURE;
517 }
518
519 if (l > 0) {
520 *(ISC_INT64 *) buf = (ISC_INT64) (l * pow(10,
521 -array->ar_desc.array_desc_scale) + .5);
522 } else {
523 *(ISC_INT64 *) buf = (ISC_INT64) (l * pow(10,
524 -array->ar_desc.array_desc_scale) - .5);
525 }
526 }
527 break;
528 }
529 } else {
530 struct tm t = { 0, 0, 0, 0, 0, 0 };
531
532 switch (array->el_type) {
533 #ifndef HAVE_STRPTIME
534 unsigned short n;
535 #endif
536 #if (SIZEOF_ZEND_LONG < 8)
537 ISC_INT64 l;
538 #endif
539
540 case SQL_SHORT:
541 convert_to_long(val);
542 if (Z_LVAL_P(val) > SHRT_MAX || Z_LVAL_P(val) < SHRT_MIN) {
543 _php_ibase_module_error("Array parameter exceeds field width");
544 return FAILURE;
545 }
546 *(short *) buf = (short) Z_LVAL_P(val);
547 break;
548 case SQL_LONG:
549 convert_to_long(val);
550 #if (SIZEOF_ZEND_LONG > 4)
551 if (Z_LVAL_P(val) > ISC_LONG_MAX || Z_LVAL_P(val) < ISC_LONG_MIN) {
552 _php_ibase_module_error("Array parameter exceeds field width");
553 return FAILURE;
554 }
555 #endif
556 *(ISC_LONG *) buf = (ISC_LONG) Z_LVAL_P(val);
557 break;
558 case SQL_INT64:
559 #if (SIZEOF_ZEND_LONG >= 8)
560 convert_to_long(val);
561 *(zend_long *) buf = Z_LVAL_P(val);
562 #else
563 convert_to_string(val);
564 if (!sscanf(Z_STRVAL_P(val), "%" LL_MASK "d", &l)) {
565 _php_ibase_module_error("Cannot convert '%s' to long integer",
566 Z_STRVAL_P(val));
567 return FAILURE;
568 } else {
569 *(ISC_INT64 *) buf = l;
570 }
571 #endif
572 break;
573 case SQL_FLOAT:
574 convert_to_double(val);
575 *(float*) buf = (float) Z_DVAL_P(val);
576 break;
577 case SQL_DOUBLE:
578 convert_to_double(val);
579 *(double*) buf = Z_DVAL_P(val);
580 break;
581 case SQL_TIMESTAMP:
582 convert_to_string(val);
583 #ifdef HAVE_STRPTIME
584 strptime(Z_STRVAL_P(val), INI_STR("ibase.timestampformat"), &t);
585 #else
586 n = sscanf(Z_STRVAL_P(val), "%d%*[/]%d%*[/]%d %d%*[:]%d%*[:]%d",
587 &t.tm_mon, &t.tm_mday, &t.tm_year, &t.tm_hour, &t.tm_min, &t.tm_sec);
588
589 if (n != 3 && n != 6) {
590 _php_ibase_module_error("Invalid date/time format (expected 3 or 6 fields, got %d."
591 " Use format 'm/d/Y H:i:s'. You gave '%s')", n, Z_STRVAL_P(val));
592 return FAILURE;
593 }
594 t.tm_year -= 1900;
595 t.tm_mon--;
596 #endif
597 isc_encode_timestamp(&t, (ISC_TIMESTAMP * ) buf);
598 break;
599 case SQL_TYPE_DATE:
600 convert_to_string(val);
601 #ifdef HAVE_STRPTIME
602 strptime(Z_STRVAL_P(val), INI_STR("ibase.dateformat"), &t);
603 #else
604 n = sscanf(Z_STRVAL_P(val), "%d%*[/]%d%*[/]%d", &t.tm_mon, &t.tm_mday, &t.tm_year);
605
606 if (n != 3) {
607 _php_ibase_module_error("Invalid date format (expected 3 fields, got %d. "
608 "Use format 'm/d/Y' You gave '%s')", n, Z_STRVAL_P(val));
609 return FAILURE;
610 }
611 t.tm_year -= 1900;
612 t.tm_mon--;
613 #endif
614 isc_encode_sql_date(&t, (ISC_DATE *) buf);
615 break;
616 case SQL_TYPE_TIME:
617 convert_to_string(val);
618 #ifdef HAVE_STRPTIME
619 strptime(Z_STRVAL_P(val), INI_STR("ibase.timeformat"), &t);
620 #else
621 n = sscanf(Z_STRVAL_P(val), "%d%*[:]%d%*[:]%d", &t.tm_hour, &t.tm_min, &t.tm_sec);
622
623 if (n != 3) {
624 _php_ibase_module_error("Invalid time format (expected 3 fields, got %d. "
625 "Use format 'H:i:s'. You gave '%s')", n, Z_STRVAL_P(val));
626 return FAILURE;
627 }
628 #endif
629 isc_encode_sql_time(&t, (ISC_TIME *) buf);
630 break;
631 default:
632 convert_to_string(val);
633 strlcpy(buf, Z_STRVAL_P(val), buf_size);
634 }
635 }
636 }
637 return SUCCESS;
638 }
639 /* }}} */
640
_php_ibase_bind(XSQLDA * sqlda,zval * b_vars,BIND_BUF * buf,ibase_query * ib_query)641 static int _php_ibase_bind(XSQLDA *sqlda, zval *b_vars, BIND_BUF *buf, /* {{{ */
642 ibase_query *ib_query)
643 {
644 int i, array_cnt = 0, rv = SUCCESS;
645
646 for (i = 0; i < sqlda->sqld; ++i) { /* bound vars */
647
648 zval *b_var = &b_vars[i];
649 XSQLVAR *var = &sqlda->sqlvar[i];
650
651 var->sqlind = &buf[i].sqlind;
652
653 /* check if a NULL should be inserted */
654 switch (Z_TYPE_P(b_var)) {
655 int force_null;
656
657 case IS_STRING:
658
659 force_null = 0;
660
661 /* for these types, an empty string can be handled like a NULL value */
662 switch (var->sqltype & ~1) {
663 case SQL_SHORT:
664 case SQL_LONG:
665 case SQL_INT64:
666 case SQL_FLOAT:
667 case SQL_DOUBLE:
668 case SQL_TIMESTAMP:
669 case SQL_TYPE_DATE:
670 case SQL_TYPE_TIME:
671 force_null = (Z_STRLEN_P(b_var) == 0);
672 }
673
674 if (! force_null) break;
675
676 case IS_NULL:
677 buf[i].sqlind = -1;
678
679 if (var->sqltype & SQL_ARRAY) ++array_cnt;
680
681 continue;
682 }
683
684 /* if we make it to this point, we must provide a value for the parameter */
685
686 buf[i].sqlind = 0;
687
688 var->sqldata = (void*)&buf[i].val;
689
690 switch (var->sqltype & ~1) {
691 struct tm t;
692
693 case SQL_TIMESTAMP:
694 case SQL_TYPE_DATE:
695 case SQL_TYPE_TIME:
696 if (Z_TYPE_P(b_var) == IS_LONG) {
697 struct tm *res;
698 res = php_gmtime_r(&Z_LVAL_P(b_var), &t);
699 if (!res) {
700 return FAILURE;
701 }
702 } else {
703 #ifdef HAVE_STRPTIME
704 char *format = INI_STR("ibase.timestampformat");
705
706 convert_to_string(b_var);
707
708 switch (var->sqltype & ~1) {
709 case SQL_TYPE_DATE:
710 format = INI_STR("ibase.dateformat");
711 break;
712 case SQL_TYPE_TIME:
713 format = INI_STR("ibase.timeformat");
714 }
715 if (!strptime(Z_STRVAL_P(b_var), format, &t)) {
716 /* strptime() cannot handle it, so let IB have a try */
717 break;
718 }
719 #else /* ifndef HAVE_STRPTIME */
720 break; /* let IB parse it as a string */
721 #endif
722 }
723
724 switch (var->sqltype & ~1) {
725 default: /* == case SQL_TIMESTAMP */
726 isc_encode_timestamp(&t, &buf[i].val.tsval);
727 break;
728 case SQL_TYPE_DATE:
729 isc_encode_sql_date(&t, &buf[i].val.dtval);
730 break;
731 case SQL_TYPE_TIME:
732 isc_encode_sql_time(&t, &buf[i].val.tmval);
733 break;
734 }
735 continue;
736
737 case SQL_BLOB:
738
739 convert_to_string(b_var);
740
741 if (Z_STRLEN_P(b_var) != BLOB_ID_LEN ||
742 !_php_ibase_string_to_quad(Z_STRVAL_P(b_var), &buf[i].val.qval)) {
743
744 ibase_blob ib_blob = { 0, BLOB_INPUT };
745
746 if (isc_create_blob(IB_STATUS, &ib_query->link->handle,
747 &ib_query->trans->handle, &ib_blob.bl_handle, &ib_blob.bl_qd)) {
748 _php_ibase_error();
749 return FAILURE;
750 }
751
752 if (_php_ibase_blob_add(b_var, &ib_blob) != SUCCESS) {
753 return FAILURE;
754 }
755
756 if (isc_close_blob(IB_STATUS, &ib_blob.bl_handle)) {
757 _php_ibase_error();
758 return FAILURE;
759 }
760 buf[i].val.qval = ib_blob.bl_qd;
761 }
762 continue;
763
764 case SQL_ARRAY:
765
766 if (Z_TYPE_P(b_var) != IS_ARRAY) {
767 convert_to_string(b_var);
768
769 if (Z_STRLEN_P(b_var) != BLOB_ID_LEN ||
770 !_php_ibase_string_to_quad(Z_STRVAL_P(b_var), &buf[i].val.qval)) {
771
772 _php_ibase_module_error("Parameter %d: invalid array ID",i+1);
773 rv = FAILURE;
774 }
775 } else {
776 /* convert the array data into something IB can understand */
777 ibase_array *ar = &ib_query->in_array[array_cnt];
778 void *array_data = emalloc(ar->ar_size);
779 ISC_QUAD array_id = { 0, 0 };
780
781 if (FAILURE == _php_ibase_bind_array(b_var, array_data, ar->ar_size,
782 ar, 0)) {
783 _php_ibase_module_error("Parameter %d: failed to bind array argument", i+1);
784 efree(array_data);
785 rv = FAILURE;
786 continue;
787 }
788
789 if (isc_array_put_slice(IB_STATUS, &ib_query->link->handle, &ib_query->trans->handle,
790 &array_id, &ar->ar_desc, array_data, &ar->ar_size)) {
791 _php_ibase_error();
792 efree(array_data);
793 return FAILURE;
794 }
795 buf[i].val.qval = array_id;
796 efree(array_data);
797 }
798 ++array_cnt;
799 continue;
800 } /* switch */
801
802 /* we end up here if none of the switch cases handled the field */
803 convert_to_string(b_var);
804 var->sqldata = Z_STRVAL_P(b_var);
805 var->sqllen = Z_STRLEN_P(b_var);
806 var->sqltype = SQL_TEXT;
807 } /* for */
808 return rv;
809 }
810 /* }}} */
811
_php_ibase_alloc_xsqlda(XSQLDA * sqlda)812 static void _php_ibase_alloc_xsqlda(XSQLDA *sqlda) /* {{{ */
813 {
814 int i;
815
816 for (i = 0; i < sqlda->sqld; i++) {
817 XSQLVAR *var = &sqlda->sqlvar[i];
818
819 switch (var->sqltype & ~1) {
820 case SQL_TEXT:
821 var->sqldata = safe_emalloc(sizeof(char), var->sqllen, 0);
822 break;
823 case SQL_VARYING:
824 var->sqldata = safe_emalloc(sizeof(char), var->sqllen + sizeof(short), 0);
825 break;
826 case SQL_SHORT:
827 var->sqldata = emalloc(sizeof(short));
828 break;
829 case SQL_LONG:
830 var->sqldata = emalloc(sizeof(ISC_LONG));
831 break;
832 case SQL_FLOAT:
833 var->sqldata = emalloc(sizeof(float));
834 break;
835 case SQL_DOUBLE:
836 var->sqldata = emalloc(sizeof(double));
837 break;
838 case SQL_INT64:
839 var->sqldata = emalloc(sizeof(ISC_INT64));
840 break;
841 case SQL_TIMESTAMP:
842 var->sqldata = emalloc(sizeof(ISC_TIMESTAMP));
843 break;
844 case SQL_TYPE_DATE:
845 var->sqldata = emalloc(sizeof(ISC_DATE));
846 break;
847 case SQL_TYPE_TIME:
848 var->sqldata = emalloc(sizeof(ISC_TIME));
849 break;
850 case SQL_BLOB:
851 case SQL_ARRAY:
852 var->sqldata = emalloc(sizeof(ISC_QUAD));
853 break;
854 } /* switch */
855
856 if (var->sqltype & 1) { /* sql NULL flag */
857 var->sqlind = emalloc(sizeof(short));
858 } else {
859 var->sqlind = NULL;
860 }
861 } /* for */
862 }
863 /* }}} */
864
_php_ibase_exec(INTERNAL_FUNCTION_PARAMETERS,ibase_result ** ib_resultp,ibase_query * ib_query,zval * args)865 static int _php_ibase_exec(INTERNAL_FUNCTION_PARAMETERS, ibase_result **ib_resultp, /* {{{ */
866 ibase_query *ib_query, zval *args)
867 {
868 XSQLDA *in_sqlda = NULL, *out_sqlda = NULL;
869 BIND_BUF *bind_buf = NULL;
870 int i, rv = FAILURE;
871 static char info_count[] = { isc_info_sql_records };
872 char result[64];
873 ISC_STATUS isc_result;
874 int argc = ib_query->in_sqlda ? ib_query->in_sqlda->sqld : 0;
875
876 RESET_ERRMSG;
877
878 for (i = 0; i < argc; ++i) {
879 SEPARATE_ZVAL(&args[i]);
880 }
881
882 switch (ib_query->statement_type) {
883 isc_tr_handle tr;
884 ibase_tr_list **l;
885 ibase_trans *trans;
886
887 case isc_info_sql_stmt_start_trans:
888
889 /* a SET TRANSACTION statement should be executed with a NULL trans handle */
890 tr = 0;
891
892 if (isc_dsql_execute_immediate(IB_STATUS, &ib_query->link->handle, &tr, 0,
893 ib_query->query, ib_query->dialect, NULL)) {
894 _php_ibase_error();
895 goto _php_ibase_exec_error;
896 }
897
898 trans = (ibase_trans *) emalloc(sizeof(ibase_trans));
899 trans->handle = tr;
900 trans->link_cnt = 1;
901 trans->affected_rows = 0;
902 trans->db_link[0] = ib_query->link;
903
904 if (ib_query->link->tr_list == NULL) {
905 ib_query->link->tr_list = (ibase_tr_list *) emalloc(sizeof(ibase_tr_list));
906 ib_query->link->tr_list->trans = NULL;
907 ib_query->link->tr_list->next = NULL;
908 }
909
910 /* link the transaction into the connection-transaction list */
911 for (l = &ib_query->link->tr_list; *l != NULL; l = &(*l)->next);
912 *l = (ibase_tr_list *) emalloc(sizeof(ibase_tr_list));
913 (*l)->trans = trans;
914 (*l)->next = NULL;
915
916 RETVAL_RES(zend_register_resource(trans, le_trans));
917 Z_TRY_ADDREF_P(return_value);
918
919 return SUCCESS;
920
921 case isc_info_sql_stmt_commit:
922 case isc_info_sql_stmt_rollback:
923
924 if (isc_dsql_execute_immediate(IB_STATUS, &ib_query->link->handle,
925 &ib_query->trans->handle, 0, ib_query->query, ib_query->dialect, NULL)) {
926 _php_ibase_error();
927 goto _php_ibase_exec_error;
928 }
929
930 if (ib_query->trans->handle == 0 && ib_query->trans_res != NULL) {
931 /* transaction was released by the query and was a registered resource,
932 so we have to release it */
933 zend_list_delete(ib_query->trans_res);
934 ib_query->trans_res = NULL;
935 }
936
937 RETVAL_TRUE;
938
939 return SUCCESS;
940
941 default:
942 RETVAL_FALSE;
943 }
944
945 /* allocate sqlda and output buffers */
946 if (ib_query->out_sqlda) { /* output variables in select, select for update */
947 ibase_result *res;
948
949 IBDEBUG("Query wants XSQLDA for output");
950 res = emalloc(sizeof(ibase_result)+sizeof(ibase_array)*max(0,ib_query->out_array_cnt-1));
951 res->link = ib_query->link;
952 res->trans = ib_query->trans;
953 res->stmt = ib_query->stmt;
954 /* ib_result and ib_query point at each other to handle release of statement handle properly */
955 res->query = ib_query;
956 ib_query->result = res;
957 res->statement_type = ib_query->statement_type;
958 res->has_more_rows = 1;
959
960 out_sqlda = res->out_sqlda = emalloc(XSQLDA_LENGTH(ib_query->out_sqlda->sqld));
961 memcpy(out_sqlda, ib_query->out_sqlda, XSQLDA_LENGTH(ib_query->out_sqlda->sqld));
962 _php_ibase_alloc_xsqlda(out_sqlda);
963
964 if (ib_query->out_array) {
965 memcpy(&res->out_array, ib_query->out_array, sizeof(ibase_array)*ib_query->out_array_cnt);
966 }
967 *ib_resultp = res;
968 }
969
970 if (ib_query->in_sqlda) { /* has placeholders */
971 IBDEBUG("Query wants XSQLDA for input");
972 in_sqlda = emalloc(XSQLDA_LENGTH(ib_query->in_sqlda->sqld));
973 memcpy(in_sqlda, ib_query->in_sqlda, XSQLDA_LENGTH(ib_query->in_sqlda->sqld));
974 bind_buf = safe_emalloc(sizeof(BIND_BUF), ib_query->in_sqlda->sqld, 0);
975 if (_php_ibase_bind(in_sqlda, args, bind_buf, ib_query) == FAILURE) {
976 IBDEBUG("Could not bind input XSQLDA");
977 goto _php_ibase_exec_error;
978 }
979 }
980
981 if (ib_query->statement_type == isc_info_sql_stmt_exec_procedure) {
982 isc_result = isc_dsql_execute2(IB_STATUS, &ib_query->trans->handle,
983 &ib_query->stmt, SQLDA_CURRENT_VERSION, in_sqlda, out_sqlda);
984 } else {
985 isc_result = isc_dsql_execute(IB_STATUS, &ib_query->trans->handle,
986 &ib_query->stmt, SQLDA_CURRENT_VERSION, in_sqlda);
987 }
988 if (isc_result) {
989 IBDEBUG("Could not execute query");
990 _php_ibase_error();
991 goto _php_ibase_exec_error;
992 }
993 ib_query->trans->affected_rows = 0;
994
995 switch (ib_query->statement_type) {
996
997 unsigned long affected_rows;
998
999 case isc_info_sql_stmt_insert:
1000 case isc_info_sql_stmt_update:
1001 case isc_info_sql_stmt_delete:
1002 case isc_info_sql_stmt_exec_procedure:
1003
1004 if (isc_dsql_sql_info(IB_STATUS, &ib_query->stmt, sizeof(info_count),
1005 info_count, sizeof(result), result)) {
1006 _php_ibase_error();
1007 goto _php_ibase_exec_error;
1008 }
1009
1010 affected_rows = 0;
1011
1012 if (result[0] == isc_info_sql_records) {
1013 unsigned i = 3, result_size = isc_vax_integer(&result[1],2);
1014
1015 while (result[i] != isc_info_end && i < result_size) {
1016 short len = (short)isc_vax_integer(&result[i+1],2);
1017 if (result[i] != isc_info_req_select_count) {
1018 affected_rows += isc_vax_integer(&result[i+3],len);
1019 }
1020 i += len+3;
1021 }
1022 }
1023
1024 ib_query->trans->affected_rows = affected_rows;
1025
1026 if (!ib_query->out_sqlda) { /* no result set is being returned */
1027 if (affected_rows) {
1028 RETVAL_LONG(affected_rows);
1029 } else {
1030 RETVAL_TRUE;
1031 }
1032 break;
1033 }
1034 default:
1035 RETVAL_TRUE;
1036 }
1037
1038 rv = SUCCESS;
1039
1040 _php_ibase_exec_error:
1041
1042 if (in_sqlda) {
1043 efree(in_sqlda);
1044 }
1045 if (bind_buf)
1046 efree(bind_buf);
1047
1048 if (rv == FAILURE) {
1049 if (*ib_resultp) {
1050 efree(*ib_resultp);
1051 *ib_resultp = NULL;
1052 }
1053 if (out_sqlda) {
1054 _php_ibase_free_xsqlda(out_sqlda);
1055 }
1056 }
1057
1058 return rv;
1059 }
1060 /* }}} */
1061
1062 /* {{{ proto mixed ibase_query([resource link_identifier, [ resource link_identifier, ]] string query [, mixed bind_arg [, mixed bind_arg [, ...]]])
1063 Execute a query */
PHP_FUNCTION(ibase_query)1064 PHP_FUNCTION(ibase_query)
1065 {
1066 zval *zlink, *ztrans, *bind_args = NULL;
1067 char *query;
1068 size_t query_len;
1069 int bind_i, bind_num;
1070 zend_resource *trans_res = NULL;
1071 ibase_db_link *ib_link = NULL;
1072 ibase_trans *trans = NULL;
1073 ibase_query ib_query = { NULL, NULL, 0, 0 };
1074 ibase_result *result = NULL;
1075
1076 RESET_ERRMSG;
1077
1078 RETVAL_FALSE;
1079
1080 switch (ZEND_NUM_ARGS()) {
1081 zend_long l;
1082
1083 default:
1084 if (SUCCESS == zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, 3, "rrs",
1085 &zlink, &ztrans, &query, &query_len)) {
1086
1087 ib_link = (ibase_db_link*)zend_fetch_resource2_ex(zlink, LE_LINK, le_link, le_plink);
1088 trans = (ibase_trans*)zend_fetch_resource_ex(ztrans, LE_TRANS, le_trans);
1089
1090 trans_res = Z_RES_P(ztrans);
1091 bind_i = 3;
1092 break;
1093 }
1094 case 2:
1095 if (SUCCESS == zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, 2, "rs",
1096 &zlink, &query, &query_len)) {
1097 _php_ibase_get_link_trans(INTERNAL_FUNCTION_PARAM_PASSTHRU, zlink, &ib_link, &trans);
1098
1099 if (trans != NULL) {
1100 trans_res = Z_RES_P(zlink);
1101 }
1102 bind_i = 2;
1103 break;
1104 }
1105
1106 /* the statement is 'CREATE DATABASE ...' if the link argument is IBASE_CREATE */
1107 if (SUCCESS == zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS(),
1108 "ls", &l, &query, &query_len) && l == PHP_IBASE_CREATE) {
1109 isc_db_handle db = 0;
1110 isc_tr_handle trans = 0;
1111
1112 if (PG(sql_safe_mode)) {
1113 _php_ibase_module_error("CREATE DATABASE is not allowed in SQL safe mode"
1114 );
1115
1116 } else if (((l = INI_INT("ibase.max_links")) != -1) && (IBG(num_links) >= l)) {
1117 _php_ibase_module_error("CREATE DATABASE is not allowed: maximum link count "
1118 "(" ZEND_LONG_FMT ") reached", l);
1119
1120 } else if (isc_dsql_execute_immediate(IB_STATUS, &db, &trans, (short)query_len,
1121 query, SQL_DIALECT_CURRENT, NULL)) {
1122 _php_ibase_error();
1123
1124 } else if (!db) {
1125 _php_ibase_module_error("Connection to created database could not be "
1126 "established");
1127
1128 } else {
1129
1130 /* register the link as a resource; unfortunately, we cannot register
1131 it in the hash table, because we don't know the connection params */
1132 ib_link = (ibase_db_link *) emalloc(sizeof(ibase_db_link));
1133 ib_link->handle = db;
1134 ib_link->dialect = SQL_DIALECT_CURRENT;
1135 ib_link->tr_list = NULL;
1136 ib_link->event_head = NULL;
1137
1138 RETVAL_RES(zend_register_resource(ib_link, le_link));
1139 Z_TRY_ADDREF_P(return_value);
1140 Z_TRY_ADDREF_P(return_value);
1141 IBG(default_link) = Z_RES_P(return_value);
1142 }
1143 return;
1144 }
1145 case 1:
1146 case 0:
1147 if (SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() ? 1 : 0, "s", &query,
1148 &query_len)) {
1149 ib_link = (ibase_db_link *)zend_fetch_resource2(IBG(default_link), LE_LINK, le_link, le_plink);
1150
1151 bind_i = 1;
1152 break;
1153 }
1154 return;
1155 }
1156
1157 /* open default transaction */
1158 if (ib_link == NULL || FAILURE == _php_ibase_def_trans(ib_link, &trans)
1159 || FAILURE == _php_ibase_alloc_query(&ib_query, ib_link, trans, query, ib_link->dialect, trans_res)) {
1160 return;
1161 }
1162
1163 do {
1164 int bind_n = ZEND_NUM_ARGS() - bind_i,
1165 expected_n = ib_query.in_sqlda ? ib_query.in_sqlda->sqld : 0;
1166
1167 if (bind_n != expected_n) {
1168 php_error_docref(NULL, (bind_n < expected_n) ? E_WARNING : E_NOTICE,
1169 "Statement expects %d arguments, %d given", expected_n, bind_n);
1170 if (bind_n < expected_n) {
1171 break;
1172 }
1173 } else if (bind_n > 0) {
1174 if (zend_parse_parameters(ZEND_NUM_ARGS(), "+", &bind_args, &bind_num) == FAILURE) {
1175 return;
1176 }
1177 }
1178
1179 if (FAILURE == _php_ibase_exec(INTERNAL_FUNCTION_PARAM_PASSTHRU, &result, &ib_query,
1180 &bind_args[bind_i])) {
1181 break;
1182 }
1183
1184 if (result != NULL) { /* statement returns a result */
1185 result->type = QUERY_RESULT;
1186
1187 /* EXECUTE PROCEDURE returns only one row => statement can be released immediately */
1188 if (ib_query.statement_type != isc_info_sql_stmt_exec_procedure) {
1189 ib_query.stmt = 0; /* keep stmt when free query */
1190 }
1191 RETVAL_RES(zend_register_resource(result, le_result));
1192 Z_TRY_ADDREF_P(return_value);
1193 }
1194 } while (0);
1195
1196 _php_ibase_free_query(&ib_query);
1197
1198 }
1199 /* }}} */
1200
1201 /* {{{ proto int ibase_affected_rows( [ resource link_identifier ] )
1202 Returns the number of rows affected by the previous INSERT, UPDATE or DELETE statement */
PHP_FUNCTION(ibase_affected_rows)1203 PHP_FUNCTION(ibase_affected_rows)
1204 {
1205 ibase_trans *trans = NULL;
1206 ibase_db_link *ib_link;
1207 zval *arg = NULL;
1208
1209 RESET_ERRMSG;
1210
1211 if (zend_parse_parameters(ZEND_NUM_ARGS(), "|r", &arg) == FAILURE) {
1212 return;
1213 }
1214
1215 if (!arg) {
1216 ib_link = (ibase_db_link *)zend_fetch_resource2(IBG(default_link), LE_LINK, le_link, le_plink);
1217 if (ib_link->tr_list == NULL || ib_link->tr_list->trans == NULL) {
1218 RETURN_FALSE;
1219 }
1220 trans = ib_link->tr_list->trans;
1221 } else {
1222 /* one id was passed, could be db or trans id */
1223 _php_ibase_get_link_trans(INTERNAL_FUNCTION_PARAM_PASSTHRU, arg, &ib_link, &trans);
1224 if (trans == NULL) {
1225 ib_link = (ibase_db_link *)zend_fetch_resource2_ex(arg, LE_LINK, le_link, le_plink);
1226
1227 if (ib_link->tr_list == NULL || ib_link->tr_list->trans == NULL) {
1228 RETURN_FALSE;
1229 }
1230 trans = ib_link->tr_list->trans;
1231 }
1232 }
1233 RETURN_LONG(trans->affected_rows);
1234 }
1235 /* }}} */
1236
1237 /* {{{ proto int ibase_num_rows( resource result_identifier )
1238 Return the number of rows that are available in a result */
1239 #if abies_0
PHP_FUNCTION(ibase_num_rows)1240 PHP_FUNCTION(ibase_num_rows)
1241 {
1242 /**
1243 * As this function relies on the InterBase API function isc_dsql_sql_info()
1244 * which has a couple of limitations (which I hope will be fixed in future
1245 * releases of Firebird), this function is fairly useless. I'm leaving it
1246 * in place for people who can live with the limitations, which I only
1247 * found out about after I had implemented it anyway.
1248 *
1249 * Currently, there's no way to determine how many rows can be fetched from
1250 * a cursor. The only number that _can_ be determined is the number of rows
1251 * that have already been pre-fetched by the client library.
1252 * This implies the following:
1253 * - num_rows() always returns zero before the first fetch;
1254 * - num_rows() for SELECT ... FOR UPDATE is broken -> never returns a
1255 * higher number than the number of records fetched so far (no pre-fetch);
1256 * - the result of num_rows() for other statements is merely a lower bound
1257 * on the number of records => calling ibase_num_rows() again after a couple
1258 * of fetches will most likely return a new (higher) figure for large result
1259 * sets.
1260 */
1261
1262 zval *result_arg;
1263 ibase_result *ib_result;
1264 static char info_count[] = {isc_info_sql_records};
1265 char result[64];
1266
1267 RESET_ERRMSG;
1268
1269 if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &result_arg) == FAILURE) {
1270 return;
1271 }
1272
1273 ib_result = (ibase_result *)zend_fetch_resource_ex(&result_arg, LE_RESULT, le_result);
1274
1275 if (isc_dsql_sql_info(IB_STATUS, &ib_result->stmt, sizeof(info_count), info_count, sizeof(result), result)) {
1276 _php_ibase_error();
1277 RETURN_FALSE;
1278 }
1279
1280 if (result[0] == isc_info_sql_records) {
1281 unsigned i = 3, result_size = isc_vax_integer(&result[1],2);
1282
1283 while (result[i] != isc_info_end && i < result_size) {
1284 short len = (short)isc_vax_integer(&result[i+1],2);
1285 if (result[i] == isc_info_req_select_count) {
1286 RETURN_LONG(isc_vax_integer(&result[i+3],len));
1287 }
1288 i += len+3;
1289 }
1290 }
1291 }
1292 #endif
1293 /* }}} */
1294
_php_ibase_var_zval(zval * val,void * data,int type,int len,int scale,int flag)1295 static int _php_ibase_var_zval(zval *val, void *data, int type, int len, /* {{{ */
1296 int scale, int flag)
1297 {
1298 static ISC_INT64 const scales[] = { 1, 10, 100, 1000,
1299 10000,
1300 100000,
1301 1000000,
1302 10000000,
1303 100000000,
1304 1000000000,
1305 LL_LIT(10000000000),
1306 LL_LIT(100000000000),
1307 LL_LIT(1000000000000),
1308 LL_LIT(10000000000000),
1309 LL_LIT(100000000000000),
1310 LL_LIT(1000000000000000),
1311 LL_LIT(10000000000000000),
1312 LL_LIT(100000000000000000),
1313 LL_LIT(1000000000000000000)
1314 };
1315
1316 switch (type & ~1) {
1317 unsigned short l;
1318 zend_long n;
1319 char string_data[255];
1320 struct tm t;
1321 char *format;
1322
1323 case SQL_VARYING:
1324 len = ((IBVARY *) data)->vary_length;
1325 data = ((IBVARY *) data)->vary_string;
1326 /* no break */
1327 case SQL_TEXT:
1328 ZVAL_STRINGL(val, (char*)data, len);
1329 break;
1330 case SQL_SHORT:
1331 n = *(short *) data;
1332 goto _sql_long;
1333 case SQL_INT64:
1334 #if (SIZEOF_ZEND_LONG >= 8)
1335 n = *(zend_long *) data;
1336 goto _sql_long;
1337 #else
1338 if (scale == 0) {
1339 l = slprintf(string_data, sizeof(string_data), "%" LL_MASK "d", *(ISC_INT64 *) data);
1340 ZVAL_STRINGL(val,string_data,l);
1341 } else {
1342 ISC_INT64 n = *(ISC_INT64 *) data, f = scales[-scale];
1343
1344 if (n >= 0) {
1345 l = slprintf(string_data, sizeof(string_data), "%" LL_MASK "d.%0*" LL_MASK "d", n / f, -scale, n % f);
1346 } else if (n <= -f) {
1347 l = slprintf(string_data, sizeof(string_data), "%" LL_MASK "d.%0*" LL_MASK "d", n / f, -scale, -n % f);
1348 } else {
1349 l = slprintf(string_data, sizeof(string_data), "-0.%0*" LL_MASK "d", -scale, -n % f);
1350 }
1351 ZVAL_STRINGL(val,string_data,l);
1352 }
1353 break;
1354 #endif
1355 case SQL_LONG:
1356 n = *(ISC_LONG *) data;
1357 _sql_long:
1358 if (scale == 0) {
1359 ZVAL_LONG(val,n);
1360 } else {
1361 zend_long f = (zend_long) scales[-scale];
1362
1363 if (n >= 0) {
1364 l = slprintf(string_data, sizeof(string_data), ZEND_LONG_FMT ".%0*" ZEND_LONG_FMT_SPEC, n / f, -scale, n % f);
1365 } else if (n <= -f) {
1366 l = slprintf(string_data, sizeof(string_data), ZEND_LONG_FMT ".%0*" ZEND_LONG_FMT_SPEC, n / f, -scale, -n % f);
1367 } else {
1368 l = slprintf(string_data, sizeof(string_data), "-0.%0*" ZEND_LONG_FMT_SPEC, -scale, -n % f);
1369 }
1370 ZVAL_STRINGL(val, string_data, l);
1371 }
1372 break;
1373 case SQL_FLOAT:
1374 ZVAL_DOUBLE(val, *(float *) data);
1375 break;
1376 case SQL_DOUBLE:
1377 ZVAL_DOUBLE(val, *(double *) data);
1378 break;
1379 case SQL_DATE: /* == case SQL_TIMESTAMP: */
1380 format = INI_STR("ibase.timestampformat");
1381 isc_decode_timestamp((ISC_TIMESTAMP *) data, &t);
1382 goto format_date_time;
1383 case SQL_TYPE_DATE:
1384 format = INI_STR("ibase.dateformat");
1385 isc_decode_sql_date((ISC_DATE *) data, &t);
1386 goto format_date_time;
1387 case SQL_TYPE_TIME:
1388 format = INI_STR("ibase.timeformat");
1389 isc_decode_sql_time((ISC_TIME *) data, &t);
1390
1391 format_date_time:
1392 /*
1393 XXX - Might have to remove this later - seems that isc_decode_date()
1394 always sets tm_isdst to 0, sometimes incorrectly (InterBase 6 bug?)
1395 */
1396 t.tm_isdst = -1;
1397 #if HAVE_TM_ZONE
1398 t.tm_zone = tzname[0];
1399 #endif
1400 if (flag & PHP_IBASE_UNIXTIME) {
1401 ZVAL_LONG(val, mktime(&t));
1402 } else {
1403 #if HAVE_STRFTIME
1404 l = strftime(string_data, sizeof(string_data), format, &t);
1405 #else
1406 switch (type & ~1) {
1407 default:
1408 l = slprintf(string_data, sizeof(string_data), "%02d/%02d/%4d %02d:%02d:%02d", t.tm_mon+1, t.tm_mday,
1409 t.tm_year + 1900, t.tm_hour, t.tm_min, t.tm_sec);
1410 break;
1411 case SQL_TYPE_DATE:
1412 l = slprintf(string_data, sizeof(string_data), "%02d/%02d/%4d", t.tm_mon + 1, t.tm_mday, t.tm_year+1900);
1413 break;
1414 case SQL_TYPE_TIME:
1415 l = slprintf(string_data, sizeof(string_data), "%02d:%02d:%02d", t.tm_hour, t.tm_min, t.tm_sec);
1416 break;
1417 }
1418 #endif
1419 ZVAL_STRINGL(val, string_data, l);
1420 break;
1421 }
1422 } /* switch (type) */
1423 return SUCCESS;
1424 }
1425 /* }}} */
1426
_php_ibase_arr_zval(zval * ar_zval,char * data,zend_ulong data_size,ibase_array * ib_array,int dim,int flag)1427 static int _php_ibase_arr_zval(zval *ar_zval, char *data, zend_ulong data_size, /* {{{ */
1428 ibase_array *ib_array, int dim, int flag)
1429 {
1430 /**
1431 * Create multidimension array - recursion function
1432 */
1433 int
1434 u_bound = ib_array->ar_desc.array_desc_bounds[dim].array_bound_upper,
1435 l_bound = ib_array->ar_desc.array_desc_bounds[dim].array_bound_lower,
1436 dim_len = 1 + u_bound - l_bound;
1437 unsigned short i;
1438
1439 if (dim < ib_array->ar_desc.array_desc_dimensions) { /* array again */
1440 zend_ulong slice_size = data_size / dim_len;
1441
1442 array_init(ar_zval);
1443
1444 for (i = 0; i < dim_len; ++i) {
1445 zval slice_zval;
1446
1447 /* recursion here */
1448 if (FAILURE == _php_ibase_arr_zval(&slice_zval, data, slice_size, ib_array, dim + 1,
1449 flag)) {
1450 return FAILURE;
1451 }
1452 data += slice_size;
1453
1454 add_index_zval(ar_zval, l_bound + i, &slice_zval);
1455 }
1456 } else { /* data at last */
1457
1458 if (FAILURE == _php_ibase_var_zval(ar_zval, data, ib_array->el_type,
1459 ib_array->ar_desc.array_desc_length, ib_array->ar_desc.array_desc_scale, flag)) {
1460 return FAILURE;
1461 }
1462
1463 /* fix for peculiar handling of VARCHAR arrays;
1464 truncate the field to the cstring length */
1465 if (ib_array->ar_desc.array_desc_dtype == blr_varying ||
1466 ib_array->ar_desc.array_desc_dtype == blr_varying2) {
1467
1468 Z_STRLEN_P(ar_zval) = strlen(Z_STRVAL_P(ar_zval));
1469 }
1470 }
1471 return SUCCESS;
1472 }
1473 /* }}} */
1474
_php_ibase_fetch_hash(INTERNAL_FUNCTION_PARAMETERS,int fetch_type)1475 static void _php_ibase_fetch_hash(INTERNAL_FUNCTION_PARAMETERS, int fetch_type) /* {{{ */
1476 {
1477 zval *result_arg;
1478 zend_long flag = 0;
1479 zend_long i, array_cnt = 0;
1480 ibase_result *ib_result;
1481
1482 RESET_ERRMSG;
1483
1484 if (zend_parse_parameters(ZEND_NUM_ARGS(), "r|l", &result_arg, &flag)) {
1485 return;
1486 }
1487
1488 ib_result = (ibase_result *)zend_fetch_resource_ex(result_arg, LE_RESULT, le_result);
1489
1490 if (ib_result->out_sqlda == NULL || !ib_result->has_more_rows) {
1491 RETURN_FALSE;
1492 }
1493
1494 if (ib_result->statement_type != isc_info_sql_stmt_exec_procedure) {
1495 if (isc_dsql_fetch(IB_STATUS, &ib_result->stmt, 1, ib_result->out_sqlda)) {
1496 ib_result->has_more_rows = 0;
1497 if (IB_STATUS[0] && IB_STATUS[1]) { /* error in fetch */
1498 _php_ibase_error();
1499 }
1500 RETURN_FALSE;
1501 }
1502 } else {
1503 ib_result->has_more_rows = 0;
1504 }
1505
1506 array_init(return_value);
1507
1508 for (i = 0; i < ib_result->out_sqlda->sqld; ++i) {
1509 XSQLVAR *var = &ib_result->out_sqlda->sqlvar[i];
1510 char buf[METADATALENGTH+4], *alias = var->aliasname;
1511
1512 if (! (fetch_type & FETCH_ROW)) {
1513 int i = 0;
1514 char const *base = "FIELD"; /* use 'FIELD' if name is empty */
1515
1516 /**
1517 * Ensure no two columns have identical names:
1518 * keep generating new names until we find one that is unique.
1519 */
1520 switch (*alias) {
1521 void *p;
1522
1523 default:
1524 i = 1;
1525 base = alias;
1526
1527 while ((p = zend_symtable_str_find_ptr(
1528 Z_ARRVAL_P(return_value), alias, strlen(alias))) != NULL) {
1529
1530 case '\0':
1531 snprintf(alias = buf, sizeof(buf), "%s_%02d", base, i++);
1532 }
1533 }
1534 }
1535
1536 if (((var->sqltype & 1) == 0) || *var->sqlind != -1) {
1537 zval result;
1538
1539 switch (var->sqltype & ~1) {
1540
1541 default:
1542 _php_ibase_var_zval(&result, var->sqldata, var->sqltype, var->sqllen,
1543 var->sqlscale, flag);
1544 break;
1545 case SQL_BLOB:
1546 if (flag & PHP_IBASE_FETCH_BLOBS) { /* fetch blob contents into hash */
1547
1548 ibase_blob blob_handle;
1549 zend_ulong max_len = 0;
1550 static char bl_items[] = {isc_info_blob_total_length};
1551 char bl_info[20];
1552 unsigned short i;
1553
1554 blob_handle.bl_handle = 0;
1555 blob_handle.bl_qd = *(ISC_QUAD *) var->sqldata;
1556
1557 if (isc_open_blob(IB_STATUS, &ib_result->link->handle, &ib_result->trans->handle,
1558 &blob_handle.bl_handle, &blob_handle.bl_qd)) {
1559 _php_ibase_error();
1560 goto _php_ibase_fetch_error;
1561 }
1562
1563 if (isc_blob_info(IB_STATUS, &blob_handle.bl_handle, sizeof(bl_items),
1564 bl_items, sizeof(bl_info), bl_info)) {
1565 _php_ibase_error();
1566 goto _php_ibase_fetch_error;
1567 }
1568
1569 /* find total length of blob's data */
1570 for (i = 0; i < sizeof(bl_info); ) {
1571 unsigned short item_len;
1572 char item = bl_info[i++];
1573
1574 if (item == isc_info_end || item == isc_info_truncated ||
1575 item == isc_info_error || i >= sizeof(bl_info)) {
1576
1577 _php_ibase_module_error("Could not determine BLOB size (internal error)"
1578 );
1579 goto _php_ibase_fetch_error;
1580 }
1581
1582 item_len = (unsigned short) isc_vax_integer(&bl_info[i], 2);
1583
1584 if (item == isc_info_blob_total_length) {
1585 max_len = isc_vax_integer(&bl_info[i+2], item_len);
1586 break;
1587 }
1588 i += item_len+2;
1589 }
1590
1591 if (max_len == 0) {
1592 ZVAL_STRING(&result, "");
1593 } else if (SUCCESS != _php_ibase_blob_get(&result, &blob_handle,
1594 max_len)) {
1595 goto _php_ibase_fetch_error;
1596 }
1597
1598 if (isc_close_blob(IB_STATUS, &blob_handle.bl_handle)) {
1599 _php_ibase_error();
1600 goto _php_ibase_fetch_error;
1601 }
1602
1603 } else { /* blob id only */
1604 ISC_QUAD bl_qd = *(ISC_QUAD *) var->sqldata;
1605 ZVAL_NEW_STR(&result, _php_ibase_quad_to_string(bl_qd));
1606 }
1607 break;
1608 case SQL_ARRAY:
1609 if (flag & PHP_IBASE_FETCH_ARRAYS) { /* array can be *huge* so only fetch if asked */
1610 ISC_QUAD ar_qd = *(ISC_QUAD *) var->sqldata;
1611 ibase_array *ib_array = &ib_result->out_array[array_cnt++];
1612 void *ar_data = emalloc(ib_array->ar_size);
1613
1614 if (isc_array_get_slice(IB_STATUS, &ib_result->link->handle,
1615 &ib_result->trans->handle, &ar_qd, &ib_array->ar_desc,
1616 ar_data, &ib_array->ar_size)) {
1617 _php_ibase_error();
1618 efree(ar_data);
1619 goto _php_ibase_fetch_error;
1620 }
1621
1622 if (FAILURE == _php_ibase_arr_zval(&result, ar_data, ib_array->ar_size, ib_array,
1623 0, flag)) {
1624 efree(ar_data);
1625 goto _php_ibase_fetch_error;
1626 }
1627 efree(ar_data);
1628
1629 } else { /* blob id only */
1630 ISC_QUAD ar_qd = *(ISC_QUAD *) var->sqldata;
1631 ZVAL_NEW_STR(&result, _php_ibase_quad_to_string(ar_qd));
1632 }
1633 break;
1634 _php_ibase_fetch_error:
1635 zval_dtor(&result);
1636 RETURN_FALSE;
1637 } /* switch */
1638
1639 if (fetch_type & FETCH_ROW) {
1640 add_index_zval(return_value, i, &result);
1641 } else {
1642 add_assoc_zval(return_value, alias, &result);
1643 }
1644 } else {
1645 if (fetch_type & FETCH_ROW) {
1646 add_index_null(return_value, i);
1647 } else {
1648 add_assoc_null(return_value, alias);
1649 }
1650 }
1651 } /* for field */
1652 }
1653 /* }}} */
1654
1655 /* {{{ proto array ibase_fetch_row(resource result [, int fetch_flags])
1656 Fetch a row from the results of a query */
PHP_FUNCTION(ibase_fetch_row)1657 PHP_FUNCTION(ibase_fetch_row)
1658 {
1659 _php_ibase_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, FETCH_ROW);
1660 }
1661 /* }}} */
1662
1663 /* {{{ proto array ibase_fetch_assoc(resource result [, int fetch_flags])
1664 Fetch a row from the results of a query */
PHP_FUNCTION(ibase_fetch_assoc)1665 PHP_FUNCTION(ibase_fetch_assoc)
1666 {
1667 _php_ibase_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, FETCH_ARRAY);
1668 }
1669 /* }}} */
1670
1671 /* {{{ proto object ibase_fetch_object(resource result [, int fetch_flags])
1672 Fetch a object from the results of a query */
PHP_FUNCTION(ibase_fetch_object)1673 PHP_FUNCTION(ibase_fetch_object)
1674 {
1675 _php_ibase_fetch_hash(INTERNAL_FUNCTION_PARAM_PASSTHRU, FETCH_ARRAY);
1676
1677 if (Z_TYPE_P(return_value) == IS_ARRAY) {
1678 convert_to_object(return_value);
1679 }
1680 }
1681 /* }}} */
1682
1683
1684 /* {{{ proto bool ibase_name_result(resource result, string name)
1685 Assign a name to a result for use with ... WHERE CURRENT OF <name> statements */
PHP_FUNCTION(ibase_name_result)1686 PHP_FUNCTION(ibase_name_result)
1687 {
1688 zval *result_arg;
1689 char *name_arg;
1690 size_t name_arg_len;
1691 ibase_result *ib_result;
1692
1693 RESET_ERRMSG;
1694
1695 if (zend_parse_parameters(ZEND_NUM_ARGS(), "rs", &result_arg, &name_arg, &name_arg_len) == FAILURE) {
1696 return;
1697 }
1698
1699 ib_result = (ibase_result *)zend_fetch_resource_ex(result_arg, LE_RESULT, le_result);
1700
1701 if (isc_dsql_set_cursor_name(IB_STATUS, &ib_result->stmt, name_arg, 0)) {
1702 _php_ibase_error();
1703 RETURN_FALSE;
1704 }
1705 RETURN_TRUE;
1706 }
1707 /* }}} */
1708
1709
1710 /* {{{ proto bool ibase_free_result(resource result)
1711 Free the memory used by a result */
PHP_FUNCTION(ibase_free_result)1712 PHP_FUNCTION(ibase_free_result)
1713 {
1714 zval *result_arg;
1715 ibase_result *ib_result;
1716
1717 RESET_ERRMSG;
1718
1719 if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &result_arg) == FAILURE) {
1720 return;
1721 }
1722
1723 ib_result = (ibase_result *)zend_fetch_resource_ex(result_arg, LE_RESULT, le_result);
1724 zend_list_delete(Z_RES_P(result_arg));
1725 RETURN_TRUE;
1726 }
1727 /* }}} */
1728
1729 /* {{{ proto resource ibase_prepare(resource link_identifier[, string query [, resource trans_identifier ]])
1730 Prepare a query for later execution */
PHP_FUNCTION(ibase_prepare)1731 PHP_FUNCTION(ibase_prepare)
1732 {
1733 zval *link_arg, *trans_arg;
1734 ibase_db_link *ib_link;
1735 ibase_trans *trans = NULL;
1736 size_t query_len;
1737 zend_resource *trans_res = NULL;
1738 ibase_query *ib_query;
1739 char *query;
1740
1741 RESET_ERRMSG;
1742
1743 if (ZEND_NUM_ARGS() == 1) {
1744 if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &query, &query_len) == FAILURE) {
1745 return;
1746 }
1747 ib_link = (ibase_db_link *)zend_fetch_resource2(IBG(default_link), LE_LINK, le_link, le_plink);
1748 } else if (ZEND_NUM_ARGS() == 2) {
1749 if (zend_parse_parameters(ZEND_NUM_ARGS(), "rs", &link_arg, &query, &query_len) == FAILURE) {
1750 return;
1751 }
1752 _php_ibase_get_link_trans(INTERNAL_FUNCTION_PARAM_PASSTHRU, link_arg, &ib_link, &trans);
1753
1754 if (trans != NULL) {
1755 trans_res = Z_RES_P(link_arg);
1756 }
1757 } else {
1758 if (zend_parse_parameters(ZEND_NUM_ARGS(), "rrs", &link_arg, &trans_arg, &query, &query_len) == FAILURE) {
1759 return;
1760 }
1761 ib_link = (ibase_db_link *)zend_fetch_resource2_ex(link_arg, LE_LINK, le_link, le_plink);
1762 trans = (ibase_trans *)zend_fetch_resource_ex(trans_arg, LE_TRANS, le_trans);
1763 trans_res = Z_RES_P(trans_arg);
1764 }
1765
1766 if (FAILURE == _php_ibase_def_trans(ib_link, &trans)) {
1767 RETURN_FALSE;
1768 }
1769
1770 ib_query = (ibase_query *) emalloc(sizeof(ibase_query));
1771
1772 if (FAILURE == _php_ibase_alloc_query(ib_query, ib_link, trans, query, ib_link->dialect, trans_res)) {
1773 efree(ib_query);
1774 RETURN_FALSE;
1775 }
1776 RETVAL_RES(zend_register_resource(ib_query, le_query));
1777 Z_TRY_ADDREF_P(return_value);
1778 }
1779 /* }}} */
1780
1781 /* {{{ proto mixed ibase_execute(resource query [, mixed bind_arg [, mixed bind_arg [, ...]]])
1782 Execute a previously prepared query */
PHP_FUNCTION(ibase_execute)1783 PHP_FUNCTION(ibase_execute)
1784 {
1785 zval *query, *args = NULL;
1786 ibase_query *ib_query;
1787 ibase_result *result = NULL;
1788 int bind_n = 0;
1789
1790 RESET_ERRMSG;
1791
1792 RETVAL_FALSE;
1793
1794 if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS(), "|r*", &query, &args, &bind_n)) {
1795 return;
1796 }
1797
1798 ib_query = (ibase_query *)zend_fetch_resource_ex(query, LE_QUERY, le_query);
1799
1800 do {
1801 int expected_n = ib_query->in_sqlda ? ib_query->in_sqlda->sqld : 0;
1802
1803 if (bind_n != expected_n) {
1804 php_error_docref(NULL, (bind_n < expected_n) ? E_WARNING : E_NOTICE,
1805 "Statement expects %d arguments, %d given", expected_n, bind_n);
1806
1807 if (bind_n < expected_n) {
1808 break;
1809 }
1810 }
1811
1812 /* Have we used this cursor before and it's still open (exec proc has no cursor) ? */
1813 if (ib_query->result_res != NULL
1814 && ib_query->statement_type != isc_info_sql_stmt_exec_procedure) {
1815 IBDEBUG("Implicitly closing a cursor");
1816
1817 if (isc_dsql_free_statement(IB_STATUS, &ib_query->stmt, DSQL_close)) {
1818 _php_ibase_error();
1819 break;
1820 }
1821 zend_list_delete(ib_query->result_res);
1822 ib_query->result_res = NULL;
1823 }
1824
1825 if (FAILURE == _php_ibase_exec(INTERNAL_FUNCTION_PARAM_PASSTHRU, &result, ib_query,
1826 args)) {
1827 break;
1828 }
1829
1830 /* free the query if trans handle was released */
1831 if (ib_query->trans->handle == 0) {
1832 zend_list_delete(Z_RES_P(query));
1833 }
1834
1835 if (result != NULL) {
1836 zval *ret;
1837
1838 result->type = EXECUTE_RESULT;
1839 if (ib_query->statement_type == isc_info_sql_stmt_exec_procedure) {
1840 result->stmt = 0;
1841 }
1842
1843 ret = zend_list_insert(result, le_result);
1844 ib_query->result_res = Z_RES_P(ret);
1845 ZVAL_COPY_VALUE(return_value, ret);
1846 Z_TRY_ADDREF_P(return_value);
1847 Z_TRY_ADDREF_P(return_value);
1848 }
1849 } while (0);
1850 }
1851 /* }}} */
1852
1853 /* {{{ proto bool ibase_free_query(resource query)
1854 Free memory used by a query */
PHP_FUNCTION(ibase_free_query)1855 PHP_FUNCTION(ibase_free_query)
1856 {
1857 zval *query_arg;
1858 ibase_query *ib_query;
1859
1860 RESET_ERRMSG;
1861
1862 if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &query_arg) == FAILURE) {
1863 return;
1864 }
1865
1866 ib_query = (ibase_query *)zend_fetch_resource_ex(query_arg, LE_QUERY, le_query);
1867 if (!ib_query) {
1868 RETURN_FALSE;
1869 }
1870
1871 zend_list_close(Z_RES_P(query_arg));
1872 RETURN_TRUE;
1873 }
1874 /* }}} */
1875
1876 /* {{{ proto int ibase_num_fields(resource query_result)
1877 Get the number of fields in result */
PHP_FUNCTION(ibase_num_fields)1878 PHP_FUNCTION(ibase_num_fields)
1879 {
1880 zval *result;
1881 int type;
1882 XSQLDA *sqlda;
1883
1884 RESET_ERRMSG;
1885
1886 if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &result) == FAILURE) {
1887 return;
1888 }
1889
1890 type = Z_RES_P(result)->type;
1891
1892 if (type == le_query) {
1893 ibase_query *ib_query;
1894
1895 ib_query = (ibase_query *)zend_fetch_resource_ex(result, LE_QUERY, le_query);
1896 sqlda = ib_query->out_sqlda;
1897 } else {
1898 ibase_result *ib_result;
1899
1900 ib_result = (ibase_result *)zend_fetch_resource_ex(result, LE_RESULT, le_result);
1901 sqlda = ib_result->out_sqlda;
1902 }
1903
1904 if (sqlda == NULL) {
1905 RETURN_LONG(0);
1906 } else {
1907 RETURN_LONG(sqlda->sqld);
1908 }
1909 }
1910 /* }}} */
1911
_php_ibase_field_info(zval * return_value,XSQLVAR * var)1912 static void _php_ibase_field_info(zval *return_value, XSQLVAR *var) /* {{{ */
1913 {
1914 unsigned short len;
1915 char buf[16], *s = buf;
1916
1917 array_init(return_value);
1918
1919 add_index_stringl(return_value, 0, var->sqlname, var->sqlname_length);
1920 add_assoc_stringl(return_value, "name", var->sqlname, var->sqlname_length);
1921
1922 add_index_stringl(return_value, 1, var->aliasname, var->aliasname_length);
1923 add_assoc_stringl(return_value, "alias", var->aliasname, var->aliasname_length);
1924
1925 add_index_stringl(return_value, 2, var->relname, var->relname_length);
1926 add_assoc_stringl(return_value, "relation", var->relname, var->relname_length);
1927
1928 len = slprintf(buf, 16, "%d", var->sqllen);
1929 add_index_stringl(return_value, 3, buf, len);
1930 add_assoc_stringl(return_value, "length", buf, len);
1931
1932 if (var->sqlscale < 0) {
1933 unsigned short precision = 0;
1934
1935 switch (var->sqltype & ~1) {
1936
1937 case SQL_SHORT:
1938 precision = 4;
1939 break;
1940 case SQL_LONG:
1941 precision = 9;
1942 break;
1943 case SQL_INT64:
1944 precision = 18;
1945 break;
1946 }
1947 len = slprintf(buf, 16, "NUMERIC(%d,%d)", precision, -var->sqlscale);
1948 add_index_stringl(return_value, 4, s, len);
1949 add_assoc_stringl(return_value, "type", s, len);
1950 } else {
1951 switch (var->sqltype & ~1) {
1952 case SQL_TEXT:
1953 s = "CHAR";
1954 break;
1955 case SQL_VARYING:
1956 s = "VARCHAR";
1957 break;
1958 case SQL_SHORT:
1959 s = "SMALLINT";
1960 break;
1961 case SQL_LONG:
1962 s = "INTEGER";
1963 break;
1964 case SQL_FLOAT:
1965 s = "FLOAT"; break;
1966 case SQL_DOUBLE:
1967 case SQL_D_FLOAT:
1968 s = "DOUBLE PRECISION"; break;
1969 case SQL_INT64:
1970 s = "BIGINT";
1971 break;
1972 case SQL_TIMESTAMP:
1973 s = "TIMESTAMP";
1974 break;
1975 case SQL_TYPE_DATE:
1976 s = "DATE";
1977 break;
1978 case SQL_TYPE_TIME:
1979 s = "TIME";
1980 break;
1981 case SQL_BLOB:
1982 s = "BLOB";
1983 break;
1984 case SQL_ARRAY:
1985 s = "ARRAY";
1986 break;
1987 /* FIXME: provide more detailed information about the field type, field size
1988 * and array dimensions */
1989 case SQL_QUAD:
1990 s = "QUAD";
1991 break;
1992 }
1993 add_index_string(return_value, 4, s);
1994 add_assoc_string(return_value, "type", s);
1995 }
1996 }
1997 /* }}} */
1998
1999 /* {{{ proto array ibase_field_info(resource query_result, int field_number)
2000 Get information about a field */
PHP_FUNCTION(ibase_field_info)2001 PHP_FUNCTION(ibase_field_info)
2002 {
2003 zval *result_arg;
2004 zend_long field_arg;
2005 int type;
2006 XSQLDA *sqlda;
2007
2008 RESET_ERRMSG;
2009
2010 if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl", &result_arg, &field_arg) == FAILURE) {
2011 return;
2012 }
2013
2014 type = Z_RES_P(result_arg)->type;
2015
2016 if (type == le_query) {
2017 ibase_query *ib_query;
2018
2019 ib_query= (ibase_query *)zend_fetch_resource_ex(result_arg, LE_QUERY, le_query);
2020 sqlda = ib_query->out_sqlda;
2021 } else {
2022 ibase_result *ib_result;
2023
2024 ib_result = (ibase_result *)zend_fetch_resource_ex(result_arg, LE_RESULT, le_result);
2025 sqlda = ib_result->out_sqlda;
2026 }
2027
2028 if (sqlda == NULL) {
2029 _php_ibase_module_error("Trying to get field info from a non-select query");
2030 RETURN_FALSE;
2031 }
2032
2033 if (field_arg < 0 || field_arg >= sqlda->sqld) {
2034 RETURN_FALSE;
2035 }
2036 _php_ibase_field_info(return_value, sqlda->sqlvar + field_arg);
2037 }
2038 /* }}} */
2039
2040 /* {{{ proto int ibase_num_params(resource query)
2041 Get the number of params in a prepared query */
PHP_FUNCTION(ibase_num_params)2042 PHP_FUNCTION(ibase_num_params)
2043 {
2044 zval *result;
2045 ibase_query *ib_query;
2046
2047 RESET_ERRMSG;
2048
2049 if (zend_parse_parameters(ZEND_NUM_ARGS(), "r", &result) == FAILURE) {
2050 return;
2051 }
2052
2053 ib_query = (ibase_query *)zend_fetch_resource_ex(result, LE_QUERY, le_query);
2054
2055 if (ib_query->in_sqlda == NULL) {
2056 RETURN_LONG(0);
2057 } else {
2058 RETURN_LONG(ib_query->in_sqlda->sqld);
2059 }
2060 }
2061 /* }}} */
2062
2063 /* {{{ proto array ibase_param_info(resource query, int field_number)
2064 Get information about a parameter */
PHP_FUNCTION(ibase_param_info)2065 PHP_FUNCTION(ibase_param_info)
2066 {
2067 zval *result_arg;
2068 zend_long field_arg;
2069 ibase_query *ib_query;
2070
2071 RESET_ERRMSG;
2072
2073 if (zend_parse_parameters(ZEND_NUM_ARGS(), "rl", &result_arg, &field_arg) == FAILURE) {
2074 return;
2075 }
2076
2077 ib_query = (ibase_query *)zend_fetch_resource_ex(result_arg, LE_QUERY, le_query);
2078
2079 if (ib_query->in_sqlda == NULL) {
2080 RETURN_FALSE;
2081 }
2082
2083 if (field_arg < 0 || field_arg >= ib_query->in_sqlda->sqld) {
2084 RETURN_FALSE;
2085 }
2086
2087 _php_ibase_field_info(return_value,ib_query->in_sqlda->sqlvar + field_arg);
2088 }
2089 /* }}} */
2090
2091 #endif /* HAVE_IBASE */
2092
2093 /*
2094 * Local variables:
2095 * tab-width: 4
2096 * c-basic-offset: 4
2097 * End:
2098 * vim600: sw=4 ts=4 fdm=marker
2099 * vim<600: sw=4 ts=4
2100 */
2101
