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odbc.h
1 /* FreeTDS - Library of routines accessing Sybase and Microsoft databases
2  * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Brian Bruns
3  * Copyright (C) 2004-2010 Frediano Ziglio
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Library General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Library General Public License for more details.
14  *
15  * You should have received a copy of the GNU Library General Public
16  * License along with this library; if not, write to the
17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18  * Boston, MA 02111-1307, USA.
19  */
20 
21 #ifndef _sql_h_
22 #define _sql_h_
23 
24 #define TDS_DONT_DEFINE_DEFAULT_FUNCTIONS
25 #include <freetds/tds.h>
26 #include <freetds/thread.h>
27 #include <freetds/data.h>
28 
29 #if defined(UNIXODBC) || defined(_WIN32) || defined(TDS_NO_DM)
30 #include <sql.h>
31 #include <sqlext.h>
32 #if defined(UNIXODBC) || defined(_WIN32)
33 #include <odbcinst.h>
34 #endif
35 #else /* IODBC */
36 #include <isql.h>
37 #include <isqlext.h>
38 #ifdef HAVE_IODBCINST_H
39 #include <iodbcinst.h>
40 #endif /* HAVE_IODBCINST_H */
41 #endif
42 
43 #ifndef HAVE_SQLLEN
44 #ifndef SQLULEN
45 #define SQLULEN SQLUINTEGER
46 #endif
47 #ifndef SQLLEN
48 #define SQLLEN SQLINTEGER
49 #endif
50 #endif
51 
52 #ifndef HAVE_SQLSETPOSIROW
53 #define SQLSETPOSIROW SQLUSMALLINT
54 #endif
55 
56 #ifndef HAVE_SQLROWOFFSET
57 #define SQLROWOFFSET SQLLEN
58 #endif
59 
60 #ifndef HAVE_SQLROWSETSIZE
61 #define SQLROWSETSIZE SQLULEN
62 #endif
63 
64 #ifdef __cplusplus
65 extern "C"
66 {
67 #if 0
68 }
69 #endif
70 #endif
71 
72 #include <freetds/pushvis.h>
73 #if defined(__GNUC__) && __GNUC__ >= 4 && !defined(__MINGW32__)
74 #define ODBC_API SQL_API __attribute__((externally_visible))
75 #else
76 #define ODBC_API SQL_API
77 #endif
78 
79 #if (defined(_WIN32) || defined(__CYGWIN__)) && defined(__GNUC__)
80 # define ODBC_PUBLIC __attribute__((dllexport))
81 #else
82 # define ODBC_PUBLIC
83 #endif
84 
85 #define ODBC_MAX(a,b) ( (a) > (b) ? (a) : (b) )
86 #define ODBC_MIN(a,b) ( (a) < (b) ? (a) : (b) )
87 
88 struct _sql_error
89 {
90  const char *msg;
91  char state2[6];
92  char state3[6];
93  TDS_UINT native;
94  char *server;
95  int linenum;
96  int msgstate;
97  int row;
98 };
99 
101 {
102  struct _sql_error *errs;
103  int num_errors;
104  SQLRETURN lastrc;
105  char ranked;
106 };
107 
108 typedef struct _sql_errors TDS_ERRS;
109 
110 #if ENABLE_EXTRA_CHECKS
111 void odbc_check_struct_extra(void *p);
112 #else
113 static inline void odbc_check_struct_extra(void *p) {}
114 #endif
115 
116 #define ODBC_RETURN(handle, rc) \
117  do { odbc_check_struct_extra(handle); \
118  return handle->errs.lastrc = (rc); } while(0)
119 #define ODBC_RETURN_(handle) \
120  do { odbc_check_struct_extra(handle); \
121  return handle->errs.lastrc; } while(0)
122 
123 #define ODBC_EXIT(handle, rc) \
124  do { SQLRETURN _odbc_rc = handle->errs.lastrc = (rc); \
125  odbc_check_struct_extra(handle); \
126  tds_mutex_unlock(&handle->mtx); \
127  return _odbc_rc; } while(0)
128 #define ODBC_EXIT_(handle) \
129  do { SQLRETURN _odbc_rc = handle->errs.lastrc; \
130  odbc_check_struct_extra(handle); \
131  tds_mutex_unlock(&handle->mtx); \
132  return _odbc_rc; } while(0)
133 
134 
136 void odbc_errs_reset(struct _sql_errors *errs);
137 
139 void odbc_errs_add(struct _sql_errors *errs, const char *sqlstate, const char *msg);
140 
142 void odbc_errs_add_rdbms(struct _sql_errors *errs, TDS_UINT native, const char *sqlstate, const char *msg, int linenum,
143  int msgstate, const char *server, int row);
144 
145 struct _dheader
146 {
147  SQLSMALLINT sql_desc_alloc_type;
148  SQLINTEGER sql_desc_bind_type;
149  SQLULEN sql_desc_array_size;
150  /* TODO SQLLEN ?? see http://support.microsoft.com/default.aspx?scid=kb;en-us;298678 */
151  SQLSMALLINT sql_desc_count;
152  SQLUSMALLINT *sql_desc_array_status_ptr;
153  SQLULEN *sql_desc_rows_processed_ptr;
154  SQLLEN *sql_desc_bind_offset_ptr;
155 };
156 
157 struct _drecord
158 {
159  SQLUINTEGER sql_desc_auto_unique_value;
160  DSTR sql_desc_base_column_name;
161  DSTR sql_desc_base_table_name;
162  SQLINTEGER sql_desc_case_sensitive;
163  DSTR sql_desc_catalog_name;
164  SQLSMALLINT sql_desc_concise_type;
165  SQLPOINTER sql_desc_data_ptr;
166  SQLSMALLINT sql_desc_datetime_interval_code;
167  SQLINTEGER sql_desc_datetime_interval_precision;
168  SQLLEN sql_desc_display_size;
169  SQLSMALLINT sql_desc_fixed_prec_scale;
170  SQLLEN *sql_desc_indicator_ptr;
171  DSTR sql_desc_label;
172  SQLULEN sql_desc_length;
173  /* this point to a constant buffer, do not free or modify */
174  const char *sql_desc_literal_prefix;
175  /* this point to a constant buffer, do not free or modify */
176  const char *sql_desc_literal_suffix;
177  DSTR sql_desc_local_type_name;
178  DSTR sql_desc_name;
179  SQLSMALLINT sql_desc_nullable;
180  SQLINTEGER sql_desc_num_prec_radix;
181  SQLLEN sql_desc_octet_length;
182  SQLLEN *sql_desc_octet_length_ptr;
183  SQLSMALLINT sql_desc_parameter_type;
184  SQLSMALLINT sql_desc_precision;
185  SQLSMALLINT sql_desc_rowver;
186  SQLSMALLINT sql_desc_scale;
187  DSTR sql_desc_schema_name;
188  SQLSMALLINT sql_desc_searchable;
189  DSTR sql_desc_table_name;
190  SQLSMALLINT sql_desc_type;
191  /* this point to a constant buffer, do not free or modify */
192  const char *sql_desc_type_name;
193  SQLSMALLINT sql_desc_unnamed;
194  SQLSMALLINT sql_desc_unsigned;
195  SQLSMALLINT sql_desc_updatable;
196 };
197 
198 struct _hdesc
199 {
200  SQLSMALLINT htype; /* do not reorder this field */
201  struct _sql_errors errs; /* do not reorder this field */
202  tds_mutex mtx;
203  int type;
204  SQLHANDLE parent;
205  struct _dheader header;
206  struct _drecord *records;
207 };
208 
209 typedef struct _hdesc TDS_DESC;
210 
211 #define DESC_IRD 1
212 #define DESC_IPD 2
213 #define DESC_ARD 3
214 #define DESC_APD 4
215 
216 struct _heattr
217 {
218  SQLUINTEGER connection_pooling;
219  SQLUINTEGER cp_match;
220  SQLINTEGER odbc_version;
221  SQLINTEGER output_nts;
222 };
223 
224 struct _hchk
225 {
226  SQLSMALLINT htype; /* do not reorder this field */
227  struct _sql_errors errs; /* do not reorder this field */
228  tds_mutex mtx;
229 };
230 
231 struct _henv
232 {
233  SQLSMALLINT htype; /* do not reorder this field */
234  struct _sql_errors errs; /* do not reorder this field */
235  tds_mutex mtx;
236  TDSCONTEXT *tds_ctx;
237  struct _heattr attr;
238 };
239 
240 struct _hcattr
241 {
242  SQLUINTEGER access_mode;
243  SQLUINTEGER async_enable;
244  SQLUINTEGER auto_ipd;
245  SQLUINTEGER autocommit;
246  SQLUINTEGER connection_dead;
247  SQLUINTEGER connection_timeout;
248  DSTR current_catalog;
249  SQLUINTEGER login_timeout;
250  SQLUINTEGER metadata_id;
251  SQLUINTEGER odbc_cursors;
252  SQLUINTEGER packet_size;
253  SQLHWND quite_mode;
254  DSTR translate_lib;
255  SQLUINTEGER translate_option;
256  SQLUINTEGER txn_isolation;
257  SQLUINTEGER mars_enabled;
258  SQLUINTEGER cursor_type;
259  SQLUINTEGER bulk_enabled;
260 #ifdef TDS_NO_DM
261  SQLUINTEGER trace;
262  DSTR tracefile;
263 #endif
264 };
265 
266 #define TDS_MAX_APP_DESC 100
267 
268 struct _hstmt;
269 struct _hdbc
270 {
271  SQLSMALLINT htype; /* do not reorder this field */
272  struct _sql_errors errs; /* do not reorder this field */
273  tds_mutex mtx;
274  struct _henv *env;
276  DSTR dsn;
277  DSTR oldpwd;
278 #ifdef ENABLE_ODBC_WIDE
279  DSTR original_charset;
280  TDSICONV *mb_conv;
281 #endif
282 
290  struct _hstmt *stmt_list;
291  struct _hcattr attr;
293  TDS_DESC *uad[TDS_MAX_APP_DESC];
295  unsigned int cursor_support:1;
296  unsigned int use_oldpwd:1;
297  TDS_INT default_query_timeout;
298 
299  TDSBCPINFO *bcpinfo;
300  char *bcphint;
301 };
302 
303 struct _hsattr
304 {
305  /* TODO remove IRD, ARD, IPD, APD from statement, do not duplicate */
306 /* TDS_DESC *app_row_desc; */
307 /* TDS_DESC *app_param_desc; */
308  SQLUINTEGER async_enable;
309  SQLUINTEGER concurrency;
310  SQLUINTEGER cursor_scrollable;
311  SQLUINTEGER cursor_sensitivity;
312  SQLUINTEGER cursor_type;
313  SQLUINTEGER enable_auto_ipd;
314  SQLPOINTER fetch_bookmark_ptr;
315  SQLULEN keyset_size;
316  SQLULEN max_length;
317  SQLULEN max_rows;
318  SQLUINTEGER metadata_id;
319  SQLUINTEGER noscan;
320  /* apd->sql_desc_bind_offset_ptr */
321  /* SQLUINTEGER *param_bind_offset_ptr; */
322  /* apd->sql_desc_bind_type */
323  /* SQLUINTEGER param_bind_type; */
324  /* apd->sql_desc_array_status_ptr */
325  /* SQLUSMALLINT *param_operation_ptr; */
326  /* ipd->sql_desc_array_status_ptr */
327  /* SQLUSMALLINT *param_status_ptr; */
328  /* ipd->sql_desc_rows_processed_ptr */
329  /* SQLUSMALLINT *params_processed_ptr; */
330  /* apd->sql_desc_array_size */
331  /* SQLUINTEGER paramset_size; */
332  SQLUINTEGER query_timeout;
333  SQLUINTEGER retrieve_data;
334  /* ard->sql_desc_bind_offset_ptr */
335  /* SQLUINTEGER *row_bind_offset_ptr; */
336  /* ard->sql_desc_array_size */
337  /* SQLUINTEGER row_array_size; */
338  /* ard->sql_desc_bind_type */
339  /* SQLUINTEGER row_bind_type; */
340  SQLULEN row_number;
341  /* ard->sql_desc_array_status_ptr */
342  /* SQLUINTEGER *row_operation_ptr; */
343  /* ird->sql_desc_array_status_ptr */
344  /* SQLUINTEGER *row_status_ptr; */
345  /* ird->sql_desc_rows_processed_ptr */
346  /* SQLUINTEGER *rows_fetched_ptr; */
347  SQLUINTEGER simulate_cursor;
348  SQLUINTEGER use_bookmarks;
349  /* SQLGetStmtAttr only */
350 /* TDS_DESC *imp_row_desc; */
351 /* TDS_DESC *imp_param_desc; */
352  DSTR qn_msgtext;
353  DSTR qn_options;
354  SQLUINTEGER qn_timeout;
355 };
356 
357 typedef enum
358 {
359  NOT_IN_ROW,
360  IN_NORMAL_ROW,
361  IN_COMPUTE_ROW,
362  AFTER_COMPUTE_ROW,
363  PRE_NORMAL_ROW
364 } TDS_ODBC_ROW_STATUS;
365 
366 typedef enum
367 {
368  ODBC_SPECIAL_NONE = 0,
369  ODBC_SPECIAL_GETTYPEINFO = 1,
370  ODBC_SPECIAL_COLUMNS = 2,
371  ODBC_SPECIAL_PROCEDURECOLUMNS = 3,
372  ODBC_SPECIAL_SPECIALCOLUMNS = 4
373 } TDS_ODBC_SPECIAL_ROWS;
374 
375 struct _hstmt
376 {
377  SQLSMALLINT htype; /* do not reorder this field */
378  struct _sql_errors errs; /* do not reorder this field */
379  tds_mutex mtx;
380  struct _hdbc *dbc;
385 
387  struct _hstmt *next;
389  struct _hstmt *prev;
390 
391  /* begin prepared query stuff */
392  unsigned is_prepared_query:1;
393  unsigned prepared_query_is_func:1;
394  unsigned prepared_query_is_rpc:1;
395  unsigned need_reprepare:1;
396  unsigned param_data_called:1;
397  /* end prepared query stuff */
398 
405 
406  unsigned int curr_param_row, num_param_rows;
407 
409  unsigned int param_count;
410  int row;
412  TDS_INT8 row_count;
414  TDS_ODBC_ROW_STATUS row_status;
415  /* do NOT free dynamic, free from socket or attach to connection */
416  TDSDYNAMIC *dyn;
417  TDS_DESC *ard, *ird, *apd, *ipd;
418  TDS_DESC *orig_ard, *orig_apd;
419  SQLULEN sql_rowset_size;
420  struct _hsattr attr;
421  DSTR cursor_name; /* auto generated cursor name */
422  TDS_ODBC_SPECIAL_ROWS special_row;
423  /* do NOT free cursor, free from socket or attach to connection */
424  TDSCURSOR *cursor;
425 };
426 
427 typedef struct _henv TDS_ENV;
428 typedef struct _hdbc TDS_DBC;
429 typedef struct _hstmt TDS_STMT;
430 typedef struct _hchk TDS_CHK;
431 
432 typedef struct {
433  /* this must be the first member */
434  TDSCOLUMNFUNCS common;
435  void (*set_type_info)(TDSCOLUMN *col, struct _drecord *drec, SQLINTEGER odbc_ver);
436 } TDS_FUNCS;
437 
438 #define IS_HENV(x) (((TDS_CHK *)x)->htype == SQL_HANDLE_ENV)
439 #define IS_HDBC(x) (((TDS_CHK *)x)->htype == SQL_HANDLE_DBC)
440 #define IS_HSTMT(x) (((TDS_CHK *)x)->htype == SQL_HANDLE_STMT)
441 #define IS_HDESC(x) (((TDS_CHK *)x)->htype == SQL_HANDLE_DESC)
442 
443 /* fix a bug in MingW headers */
444 #ifdef __MINGW32__
445 #if SQL_INTERVAL_YEAR == (100 + SQL_CODE_SECOND)
446 
447 #undef SQL_INTERVAL_YEAR
448 #undef SQL_INTERVAL_MONTH
449 #undef SQL_INTERVAL_DAY
450 #undef SQL_INTERVAL_HOUR
451 #undef SQL_INTERVAL_MINUTE
452 #undef SQL_INTERVAL_SECOND
453 #undef SQL_INTERVAL_YEAR_TO_MONTH
454 #undef SQL_INTERVAL_DAY_TO_HOUR
455 #undef SQL_INTERVAL_DAY_TO_MINUTE
456 #undef SQL_INTERVAL_DAY_TO_SECOND
457 #undef SQL_INTERVAL_HOUR_TO_MINUTE
458 #undef SQL_INTERVAL_HOUR_TO_SECOND
459 #undef SQL_INTERVAL_MINUTE_TO_SECOND
460 
461 #define SQL_INTERVAL_YEAR (100 + SQL_CODE_YEAR)
462 #define SQL_INTERVAL_MONTH (100 + SQL_CODE_MONTH)
463 #define SQL_INTERVAL_DAY (100 + SQL_CODE_DAY)
464 #define SQL_INTERVAL_HOUR (100 + SQL_CODE_HOUR)
465 #define SQL_INTERVAL_MINUTE (100 + SQL_CODE_MINUTE)
466 #define SQL_INTERVAL_SECOND (100 + SQL_CODE_SECOND)
467 #define SQL_INTERVAL_YEAR_TO_MONTH (100 + SQL_CODE_YEAR_TO_MONTH)
468 #define SQL_INTERVAL_DAY_TO_HOUR (100 + SQL_CODE_DAY_TO_HOUR)
469 #define SQL_INTERVAL_DAY_TO_MINUTE (100 + SQL_CODE_DAY_TO_MINUTE)
470 #define SQL_INTERVAL_DAY_TO_SECOND (100 + SQL_CODE_DAY_TO_SECOND)
471 #define SQL_INTERVAL_HOUR_TO_MINUTE (100 + SQL_CODE_HOUR_TO_MINUTE)
472 #define SQL_INTERVAL_HOUR_TO_SECOND (100 + SQL_CODE_HOUR_TO_SECOND)
473 #define SQL_INTERVAL_MINUTE_TO_SECOND (100 + SQL_CODE_MINUTE_TO_SECOND)
474 
475 #endif
476 #endif
477 
478 #ifdef _WIN32
479 BOOL get_login_info(HWND hwndParent, TDSLOGIN * login);
480 #endif
481 
482 #define ODBC_PARAM_LIST \
483  ODBC_PARAM(Servername) \
484  ODBC_PARAM(Server) \
485  ODBC_PARAM(DSN) \
486  ODBC_PARAM(UID) \
487  ODBC_PARAM(PWD) \
488  ODBC_PARAM(Address) \
489  ODBC_PARAM(Port) \
490  ODBC_PARAM(TDS_Version) \
491  ODBC_PARAM(Language) \
492  ODBC_PARAM(Database) \
493  ODBC_PARAM(TextSize) \
494  ODBC_PARAM(PacketSize) \
495  ODBC_PARAM(ClientCharset) \
496  ODBC_PARAM(DumpFile) \
497  ODBC_PARAM(DumpFileAppend) \
498  ODBC_PARAM(DebugFlags) \
499  ODBC_PARAM(Encryption) \
500  ODBC_PARAM(Trusted_Connection) \
501  ODBC_PARAM(APP) \
502  ODBC_PARAM(WSID) \
503  ODBC_PARAM(UseNTLMv2) \
504  ODBC_PARAM(MARS_Connection) \
505  ODBC_PARAM(REALM) \
506  ODBC_PARAM(ServerSPN) \
507  ODBC_PARAM(AttachDbFilename) \
508  ODBC_PARAM(ApplicationIntent)
509 
510 #define ODBC_PARAM(p) ODBC_PARAM_##p,
511 enum {
512  ODBC_PARAM_LIST
513  ODBC_PARAM_SIZE
514 };
515 #undef ODBC_PARAM
516 
517 
518 /*
519  * connectparams.h
520  */
521 
522 typedef struct {
523  const char *p;
524  size_t len;
526 
534 int odbc_parse_connect_string(TDS_ERRS *errs, const char *connect_string, const char *connect_string_end, TDSLOGIN * login, TDS_PARSED_PARAM *parsed_params);
535 int odbc_get_dsn_info(TDS_ERRS *errs, const char *DSN, TDSLOGIN * login);
536 #ifdef _WIN32
537 int odbc_build_connect_string(TDS_ERRS *errs, TDS_PARSED_PARAM *params, char **out);
538 #endif
539 
540 /*
541  * convert_tds2sql.c
542  */
543 SQLLEN odbc_tds2sql(TDS_STMT * stmt, TDSCOLUMN *curcol, int srctype, TDS_CHAR * src, TDS_UINT srclen, int desttype, TDS_CHAR * dest, SQLULEN destlen, const struct _drecord *drec_ixd);
544 
545 /*
546  * descriptor.c
547  */
548 TDS_DESC *desc_alloc(SQLHANDLE parent, int desc_type, int alloc_type);
549 SQLRETURN desc_free(TDS_DESC * desc);
550 SQLRETURN desc_alloc_records(TDS_DESC * desc, unsigned count);
551 SQLRETURN desc_copy(TDS_DESC * dest, TDS_DESC * src);
552 SQLRETURN desc_free_records(TDS_DESC * desc);
553 TDS_DBC *desc_get_dbc(TDS_DESC *desc);
554 
555 /*
556  * odbc.c
557  */
558 SQLRETURN _SQLRowCount(SQLHSTMT hstmt, SQLLEN FAR * pcrow);
559 
560 /*
561  * odbc_checks.h
562  */
563 #if ENABLE_EXTRA_CHECKS
564 /* macro */
565 #define CHECK_ENV_EXTRA(env) odbc_check_env_extra(env)
566 #define CHECK_DBC_EXTRA(dbc) odbc_check_dbc_extra(dbc)
567 #define CHECK_STMT_EXTRA(stmt) odbc_check_stmt_extra(stmt)
568 #define CHECK_DESC_EXTRA(desc) odbc_check_desc_extra(desc)
569 /* declarations*/
570 void odbc_check_env_extra(TDS_ENV * env);
571 void odbc_check_dbc_extra(TDS_DBC * dbc);
572 void odbc_check_stmt_extra(TDS_STMT * stmt);
573 void odbc_check_desc_extra(TDS_DESC * desc);
574 #else
575 /* macro */
576 #define CHECK_ENV_EXTRA(env)
577 #define CHECK_DBC_EXTRA(dbc)
578 #define CHECK_STMT_EXTRA(stmt)
579 #define CHECK_DESC_EXTRA(desc)
580 #endif
581 
582 /*
583  * odbc_util.h
584  */
585 
586 /* helpers for ODBC wide string support */
587 #undef _wide
588 #undef _WIDE
589 #ifdef ENABLE_ODBC_WIDE
590 typedef union {
591  char mb[1];
592  SQLWCHAR wide[1];
593 } ODBC_CHAR;
594 # define _wide ,wide
595 # define _wide0 ,0
596 # define _WIDE ,int wide
597 #else
598 # define _wide
599 # define _wide0
600 # define _WIDE
601 # define ODBC_CHAR SQLCHAR
602 #endif
603 int odbc_set_stmt_query(struct _hstmt *stmt, const ODBC_CHAR *sql, int sql_len _WIDE);
604 void odbc_set_return_status(struct _hstmt *stmt, unsigned int n_row);
605 void odbc_set_return_params(struct _hstmt *stmt, unsigned int n_row);
606 
607 void odbc_set_sql_type_info(TDSCOLUMN * col, struct _drecord *drec, SQLINTEGER odbc_ver);
608 
609 int odbc_sql_to_c_type_default(int sql_type);
610 TDS_SERVER_TYPE odbc_sql_to_server_type(TDSCONNECTION * conn, int sql_type, int sql_unsigned);
611 TDS_SERVER_TYPE odbc_c_to_server_type(int c_type);
612 
613 unsigned int odbc_get_string_size(int size, const ODBC_CHAR * str _WIDE);
614 void odbc_rdbms_version(TDSSOCKET * tds_socket, char *pversion_string);
615 SQLINTEGER odbc_get_param_len(const struct _drecord *drec_axd, const struct _drecord *drec_ixd, const TDS_DESC* axd, unsigned int n_row);
616 
617 #ifdef ENABLE_ODBC_WIDE
618 DSTR* odbc_dstr_copy_flag(TDS_DBC *dbc, DSTR *s, int size, const ODBC_CHAR * str, int flag);
619 #define odbc_dstr_copy(dbc, s, len, out) \
620  odbc_dstr_copy_flag(dbc, s, len, sizeof((out)->mb) ? (out) : (out), wide)
621 #define odbc_dstr_copy_oct(dbc, s, len, out) \
622  odbc_dstr_copy_flag(dbc, s, len, out, wide|0x20)
623 #else
624 DSTR* odbc_dstr_copy(TDS_DBC *dbc, DSTR *s, int size, const ODBC_CHAR * str);
625 #define odbc_dstr_copy_oct odbc_dstr_copy
626 #endif
627 
628 
629 SQLRETURN odbc_set_string_flag(TDS_DBC *dbc, SQLPOINTER buffer, SQLINTEGER cbBuffer, void FAR * pcbBuffer, const char *s, int len, int flag);
630 #ifdef ENABLE_ODBC_WIDE
631 #define odbc_set_string(dbc, buf, buf_len, out_len, s, s_len) \
632  odbc_set_string_flag(dbc, sizeof((buf)->mb) ? (buf) : (buf), buf_len, out_len, s, s_len, (wide) | (sizeof(*(out_len)) == sizeof(SQLSMALLINT)?0:0x10))
633 #define odbc_set_string_oct(dbc, buf, buf_len, out_len, s, s_len) \
634  odbc_set_string_flag(dbc, buf, buf_len, out_len, s, s_len, (wide) | (sizeof(*(out_len)) == sizeof(SQLSMALLINT)?0x20:0x30))
635 #else
636 #define odbc_set_string(dbc, buf, buf_len, out_len, s, s_len) \
637  odbc_set_string_flag(dbc, buf, buf_len, out_len, s, s_len, (sizeof(*(out_len)) == sizeof(SQLSMALLINT)?0:0x10))
638 #define odbc_set_string_oct(dbc, buf, buf_len, out_len, s, s_len) \
639  odbc_set_string_flag(dbc, buf, buf_len, out_len, s, s_len, (sizeof(*(out_len)) == sizeof(SQLSMALLINT)?0x20:0x30))
640 #endif
641 
642 SQLSMALLINT odbc_get_concise_sql_type(SQLSMALLINT type, SQLSMALLINT interval);
643 SQLRETURN odbc_set_concise_sql_type(SQLSMALLINT concise_type, struct _drecord *drec, int check_only);
644 SQLSMALLINT odbc_get_concise_c_type(SQLSMALLINT type, SQLSMALLINT interval);
645 SQLRETURN odbc_set_concise_c_type(SQLSMALLINT concise_type, struct _drecord *drec, int check_only);
646 
647 SQLLEN odbc_get_octet_len(int c_type, const struct _drecord *drec);
648 void odbc_convert_err_set(struct _sql_errors *errs, TDS_INT err);
649 
650 /*
651  * prepare_query.c
652  */
653 SQLRETURN prepare_call(struct _hstmt *stmt);
654 SQLRETURN native_sql(struct _hdbc *dbc, DSTR *s);
655 int parse_prepared_query(struct _hstmt *stmt, int compute_row);
656 int start_parse_prepared_query(struct _hstmt *stmt, int compute_row);
657 int continue_parse_prepared_query(struct _hstmt *stmt, SQLPOINTER DataPtr, SQLLEN StrLen_or_Ind);
658 const char *parse_const_param(const char * s, TDS_SERVER_TYPE *type);
659 
660 /*
661  * sql2tds.c
662  */
663 SQLRETURN odbc_sql2tds(TDS_STMT * stmt, const struct _drecord *drec_ixd, const struct _drecord *drec_axd, TDSCOLUMN *curcol, int compute_row, const TDS_DESC* axd, unsigned int n_row);
664 TDS_INT convert_datetime2server(int bindtype, const void *src, TDS_DATETIMEALL * dta);
665 
666 /*
667  * bcp.c
668  */
669 void odbc_bcp_free_storage(TDS_DBC *dbc);
670 void odbc_bcp_init(TDS_DBC *dbc, const ODBC_CHAR *tblname, const ODBC_CHAR *hfile, const ODBC_CHAR *errfile, int direction _WIDE);
671 void odbc_bcp_control(TDS_DBC *dbc, int field, void *value);
672 void odbc_bcp_colptr(TDS_DBC *dbc, const void * colptr, int table_column);
673 void odbc_bcp_sendrow(TDS_DBC *dbc);
674 int odbc_bcp_batch(TDS_DBC *dbc);
675 int odbc_bcp_done(TDS_DBC *dbc);
676 void odbc_bcp_bind(TDS_DBC *dbc, const void * varaddr, int prefixlen, int varlen, const void * terminator, int termlen, int vartype, int table_column);
677 
678 /*
679  * sqlwchar.c
680  */
681 #if SIZEOF_SQLWCHAR != SIZEOF_WCHAR_T
682 size_t sqlwcslen(const SQLWCHAR * s);
683 
684 typedef struct sqlwstr_buf {
685  struct sqlwstr_buf *next;
686  wchar_t buf[256];
687 } SQLWSTRBUF;
688 const wchar_t *sqlwstr(const SQLWCHAR * s, SQLWSTRBUF **bufs);
689 void sqlwstr_free(SQLWSTRBUF *bufs);
690 #define SQLWSTR_BUFS(n) SQLWSTRBUF *bufs = NULL
691 #define SQLWSTR(s) sqlwstr(s, &bufs)
692 #define SQLWSTR_FREE() sqlwstr_free(bufs)
693 #else
694 #define sqlwcslen(s) wcslen(s)
695 
696 #define SQLWSTR_BUFS(n) do {} while(0)
697 #define SQLWSTR(s) ((const wchar_t*)(s))
698 #define SQLWSTR_FREE() do {} while(0)
699 #endif
700 
701 #if SIZEOF_SQLWCHAR == 2
702 # if WORDS_BIGENDIAN
703 # define ODBC_WIDE_NAME "UCS-2BE"
704 # define ODBC_WIDE_NAME_UTF "UTF-16BE"
705 # else
706 # define ODBC_WIDE_NAME "UCS-2LE"
707 # define ODBC_WIDE_NAME_UTF "UTF-16LE"
708 # endif
709 const char *odbc_get_wide_name(TDSCONNECTION *conn);
710 #elif SIZEOF_SQLWCHAR == 4
711 # if WORDS_BIGENDIAN
712 # define ODBC_WIDE_NAME "UCS-4BE"
713 # else
714 # define ODBC_WIDE_NAME "UCS-4LE"
715 # endif
716 static inline const char *
717 odbc_get_wide_name(TDSCONNECTION *conn)
718 {
719  return ODBC_WIDE_NAME;
720 }
721 #else
722 #error SIZEOF_SQLWCHAR not supported !!
723 #endif
724 
725 #include <freetds/popvis.h>
726 
727 #ifdef __cplusplus
728 #if 0
729 {
730 #endif
731 }
732 #endif
733 
734 #endif
SQLRETURN odbc_set_concise_c_type(SQLSMALLINT concise_type, struct _drecord *drec, int check_only)
Set concise type and all cascading field.
Definition: odbc_util.c:1094
SQLINTEGER odbc_get_param_len(const struct _drecord *drec_axd, const struct _drecord *drec_ixd, const TDS_DESC *axd, unsigned int n_row)
Return length of parameter from parameter information.
Definition: odbc_util.c:858
Definition: tds.h:1097
Definition: odbc.h:303
Information for a server connection.
Definition: tds.h:1168
struct _hstmt * prev
previous in list
Definition: odbc.h:389
Definition: odbc.h:88
int param_num
last valid parameter in params, it's a ODBC index (from 1 relative to descriptor) ...
Definition: odbc.h:402
this structure is not directed connected to a TDS protocol but keeps any DATE/TIME information...
Definition: tds.h:144
char * prepared_pos
position in prepared query to check parameters, used only in RPC
Definition: odbc.h:404
Definition: odbc.h:269
Hold information for any results.
Definition: tds.h:798
void odbc_rdbms_version(TDSSOCKET *tds_socket, char *pversion_string)
Returns the version of the RDBMS in the ODBC format.
Definition: odbc_util.c:849
Definition: tds.h:669
Definition: odbc.h:522
Definition: iconv.h:91
Definition: odbc.h:432
unsigned int cursor_support
<>0 if server handle cursors
Definition: odbc.h:295
Definition: odbc.h:231
TDS_DESC * uad[TDS_MAX_APP_DESC]
descriptors associated to connection
Definition: odbc.h:293
Holds informations about a cursor.
Definition: tds.h:966
SQLRETURN odbc_set_string_flag(TDS_DBC *dbc, SQLPOINTER buffer, SQLINTEGER cbBuffer, void FAR *pcbBuffer, const char *s, int len, int flag)
Copy a string to client setting size according to ODBC convenction.
Definition: odbc_util.c:280
TDS_SERVER_TYPE odbc_c_to_server_type(int c_type)
Pass this an SQL_C_* type and get a SYB* type which most closely corresponds to the SQL_C_* type...
Definition: odbc_util.c:601
TDSPARAMINFO * params
parameters saved
Definition: odbc.h:400
struct _hstmt * stmt_list
list of all statements allocated from this connection
Definition: odbc.h:290
Main include file for libtds.
Definition: odbc.h:224
Holds information for a dynamic (also called prepared) query.
Definition: tds.h:1006
struct _hstmt * next
next in list
Definition: odbc.h:387
Definition: odbc.h:157
Metadata about columns in regular and compute rows.
Definition: tds.h:721
TDS_INT8 row_count
row count to return
Definition: odbc.h:412
Definition: odbc.h:216
Definition: tds.h:1058
Definition: odbc.h:375
unsigned int param_count
number of parameter in current query
Definition: odbc.h:409
TDSSOCKET * tds
socket (only if active)
Definition: odbc.h:384
Definition: odbc.h:100
DSTR query
query to execute
Definition: odbc.h:382
Definition: tds.h:547
Definition: odbc.h:240
Structure to hold a string.
Definition: tds.h:94
Definition: odbc.h:145
SQLRETURN odbc_set_concise_sql_type(SQLSMALLINT concise_type, struct _drecord *drec, int check_only)
Set concise type and all cascading field.
Definition: odbc_util.c:972
TDS_ODBC_ROW_STATUS row_status
status of row, it can happen that this flag mark that we are still parsing row, this it's normal ...
Definition: odbc.h:414
Definition: tds.h:1605
struct _hstmt * current_statement
Statement executing.
Definition: odbc.h:288
Definition: odbc.h:198