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
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
|
/*
Copyright (c) 2000, 2015, Oracle and/or its affiliates.
Copyright (c) 2010, 2024, MariaDB
This program 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; version 2 of the License.
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 02110-1335 USA
*/
/* Show databases, tables or columns */
#define VER "9.10"
#include "client_priv.h"
#include <my_sys.h>
#include <m_string.h>
#include <mysql.h>
#include <mysqld_error.h>
#include <signal.h>
#include <stdarg.h>
#include <sslopt-vars.h>
#include <welcome_copyright_notice.h> /* ORACLE_WELCOME_COPYRIGHT_NOTICE */
static char * host=0, *opt_password=0, *user=0;
static my_bool opt_show_keys= 0, opt_compress= 0, opt_count=0, opt_status= 0;
static my_bool tty_password= 0, opt_table_type= 0;
static my_bool debug_info_flag= 0, debug_check_flag= 0;
static uint my_end_arg= 0;
static uint opt_verbose=0;
static char *default_charset= (char*) MYSQL_AUTODETECT_CHARSET_NAME;
static char *opt_plugin_dir= 0, *opt_default_auth= 0;
static uint opt_protocol=0;
static void get_options(int *argc,char ***argv);
static uint opt_mysql_port=0;
static int list_dbs(MYSQL *mysql,const char *wild);
static int list_tables(MYSQL *mysql,const char *db,const char *table);
static int list_table_status(MYSQL *mysql,const char *db,const char *table);
static int list_fields(MYSQL *mysql,const char *db,const char *table,
const char *field);
static void print_header(const char *header,size_t head_length,...);
static void print_row(const char *header,size_t head_length,...);
static void print_trailer(size_t length,...);
static void print_res_header(MYSQL_RES *result);
static void print_res_top(MYSQL_RES *result);
static void print_res_row(MYSQL_RES *result,MYSQL_ROW cur);
static const char *load_default_groups[]=
{ "mysqlshow", "mariadb-show", "client", "client-server", "client-mariadb",
0 };
static char * opt_mysql_unix_port=0;
int main(int argc, char **argv)
{
int error;
my_bool first_argument_uses_wildcards=0;
char *wild;
MYSQL mysql;
my_bool reconnect;
static char **defaults_argv;
MY_INIT(argv[0]);
sf_leaking_memory=1; /* don't report memory leaks on early exits */
/* We need to know if protocol-related options originate from CLI args */
my_defaults_mark_files = TRUE;
load_defaults_or_exit("my", load_default_groups, &argc, &argv);
defaults_argv=argv;
get_options(&argc,&argv);
sf_leaking_memory=0; /* from now on we cleanup properly */
wild=0;
if (argc)
{
char *pos= argv[argc-1], *to;
for (to= pos ; *pos ; pos++, to++)
{
switch (*pos) {
case '*':
*pos= '%';
first_argument_uses_wildcards= 1;
break;
case '?':
*pos= '_';
first_argument_uses_wildcards= 1;
break;
case '%':
case '_':
first_argument_uses_wildcards= 1;
break;
case '\\':
pos++;
default: break;
}
*to= *pos;
}
*to= *pos; /* just to copy a '\0' if '\\' was used */
}
if (first_argument_uses_wildcards)
wild= argv[--argc];
else if (argc == 3) /* We only want one field */
wild= argv[--argc];
if (argc > 2)
{
fprintf(stderr,"%s: Too many arguments\n",my_progname);
exit(1);
}
mysql_init(&mysql);
if (opt_compress)
mysql_options(&mysql,MYSQL_OPT_COMPRESS,NullS);
SET_SSL_OPTS(&mysql);
if (opt_protocol)
mysql_options(&mysql,MYSQL_OPT_PROTOCOL,(char*)&opt_protocol);
if (!strcmp(default_charset,MYSQL_AUTODETECT_CHARSET_NAME))
default_charset= (char *)my_default_csname();
my_set_console_cp(default_charset);
mysql_options(&mysql, MYSQL_SET_CHARSET_NAME, default_charset);
if (opt_plugin_dir && *opt_plugin_dir)
mysql_options(&mysql, MYSQL_PLUGIN_DIR, opt_plugin_dir);
if (opt_default_auth && *opt_default_auth)
mysql_options(&mysql, MYSQL_DEFAULT_AUTH, opt_default_auth);
mysql_options(&mysql, MYSQL_OPT_CONNECT_ATTR_RESET, 0);
mysql_options4(&mysql, MYSQL_OPT_CONNECT_ATTR_ADD,
"program_name", "mysqlshow");
if (!(mysql_real_connect(&mysql,host,user,opt_password,
(first_argument_uses_wildcards) ? "" :
argv[0],opt_mysql_port,opt_mysql_unix_port,
0)))
{
fprintf(stderr,"%s: %s\n",my_progname,mysql_error(&mysql));
error= 1;
goto error;
}
reconnect= 1;
mysql_options(&mysql, MYSQL_OPT_RECONNECT, &reconnect);
switch (argc) {
case 0: error=list_dbs(&mysql,wild); break;
case 1:
if (opt_status)
error=list_table_status(&mysql,argv[0],wild);
else
error=list_tables(&mysql,argv[0],wild);
break;
default:
if (opt_status && ! wild)
error=list_table_status(&mysql,argv[0],argv[1]);
else
error=list_fields(&mysql,argv[0],argv[1],wild);
break;
}
error:
mysql_close(&mysql); /* Close & free connection */
my_free(opt_password);
mysql_server_end();
free_defaults(defaults_argv);
my_end(my_end_arg);
exit(error ? 1 : 0);
return 0; /* No compiler warnings */
}
static struct my_option my_long_options[] =
{
{"character-sets-dir", 'c', "Directory for character set files.",
(char**) &charsets_dir, (char**) &charsets_dir, 0, GET_STR, REQUIRED_ARG, 0,
0, 0, 0, 0, 0},
{"default-character-set", 0,
"Set the default character set.", &default_charset,
&default_charset, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"count", 0,
"Show number of rows per table (may be slow for non-MyISAM tables).",
&opt_count, &opt_count, 0, GET_BOOL, NO_ARG, 0, 0, 0,
0, 0, 0},
{"compress", 'C', "Use compression in server/client protocol.",
&opt_compress, &opt_compress, 0, GET_BOOL, NO_ARG, 0, 0, 0,
0, 0, 0},
{"debug", '#', "Output debug log. Often this is 'd:t:o,filename'.",
0, 0, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
{"debug-check", 0, "Check memory and open file usage at exit.",
&debug_check_flag, &debug_check_flag, 0,
GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"debug-info", 0, "Print some debug info at exit.",
&debug_info_flag, &debug_info_flag,
0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"default_auth", 0,
"Default authentication client-side plugin to use.",
&opt_default_auth, &opt_default_auth, 0,
GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"help", '?', "Display this help and exit.", 0, 0, 0, GET_NO_ARG, NO_ARG,
0, 0, 0, 0, 0, 0},
{"host", 'h', "Connect to host.", &host, &host, 0, GET_STR,
REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"status", 'i', "Shows a lot of extra information about each table.",
&opt_status, &opt_status, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
0, 0},
{"keys", 'k', "Show keys for table.", &opt_show_keys,
&opt_show_keys, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"password", 'p',
"Password to use when connecting to server. If password is not given, it's "
"solicited on the tty.",
0, 0, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
{"plugin_dir", 0, "Directory for client-side plugins.",
&opt_plugin_dir, &opt_plugin_dir, 0,
GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"port", 'P', "Port number to use for connection or 0 for default to, in "
"order of preference, my.cnf, $MYSQL_TCP_PORT, "
#if MYSQL_PORT_DEFAULT == 0
"/etc/services, "
#endif
"built-in default (" STRINGIFY_ARG(MYSQL_PORT) ").",
&opt_mysql_port,
&opt_mysql_port, 0, GET_UINT, REQUIRED_ARG, 0, 0, 0, 0, 0,
0},
#ifdef _WIN32
{"pipe", 'W', "Use named pipes to connect to server.", 0, 0, 0, GET_NO_ARG,
NO_ARG, 0, 0, 0, 0, 0, 0},
#endif
{"protocol", OPT_MYSQL_PROTOCOL,
"The protocol to use for connection (tcp, socket, pipe).",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"show-table-type", 't', "Show table type column.",
&opt_table_type, &opt_table_type, 0, GET_BOOL,
NO_ARG, 0, 0, 0, 0, 0, 0},
{"socket", 'S', "The socket file to use for connection.",
&opt_mysql_unix_port, &opt_mysql_unix_port, 0, GET_STR,
REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
#include <sslopt-longopts.h>
#ifndef DONT_ALLOW_USER_CHANGE
{"user", 'u', "User for login if not current user.", &user,
&user, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
#endif
{"verbose", 'v',
"More verbose output; you can use this multiple times to get even more "
"verbose output.",
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
{"version", 'V', "Output version information and exit.", 0, 0, 0, GET_NO_ARG,
NO_ARG, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}
};
static void usage(void)
{
print_version();
puts(ORACLE_WELCOME_COPYRIGHT_NOTICE("2000"));
puts("Shows the structure of a MariaDB database (databases, tables, and columns).\n");
printf("Usage: %s [OPTIONS] [database [table [column]]]\n",my_progname);
puts("\n\
If last argument contains a shell or SQL wildcard (*,?,% or _) then only\n\
what\'s matched by the wildcard is shown.\n\
If no database is given then all matching databases are shown.\n\
If no table is given, then all matching tables in database are shown.\n\
If no column is given, then all matching columns and column types in table\n\
are shown.");
print_defaults("my",load_default_groups);
puts("");
my_print_help(my_long_options);
my_print_variables(my_long_options);
}
static my_bool
get_one_option(const struct my_option *opt, const char *argument,
const char *filename)
{
switch(opt->id) {
case 'v':
opt_verbose++;
break;
case 'p':
if (argument == disabled_my_option)
argument= (char*) ""; /* Don't require password */
if (argument)
{
/*
One should not really change the argument, but we make an
exception for passwords
*/
char *start= (char*) argument;
my_free(opt_password);
opt_password=my_strdup(PSI_NOT_INSTRUMENTED, argument, MYF(MY_FAE));
while (*argument)
*(char*) argument++= 'x'; /* Destroy argument */
if (*start)
start[1]=0; /* Cut length of argument */
tty_password= 0;
}
else
tty_password=1;
break;
case 'W':
#ifdef _WIN32
opt_protocol = MYSQL_PROTOCOL_PIPE;
#endif
break;
case OPT_MYSQL_PROTOCOL:
if ((opt_protocol= find_type_with_warning(argument, &sql_protocol_typelib,
opt->name)) <= 0)
{
sf_leaking_memory= 1; /* no memory leak reports here */
exit(1);
}
break;
case 'P':
if (filename[0] == '\0')
{
/* Port given on command line, switch protocol to use TCP */
opt_protocol= MYSQL_PROTOCOL_TCP;
}
break;
case 'S':
if (filename[0] == '\0')
{
/*
Socket given on command line, switch protocol to use SOCKETSt
Except on Windows if 'protocol= pipe' has been provided in
the config file or command line.
*/
if (opt_protocol != MYSQL_PROTOCOL_PIPE)
{
opt_protocol= MYSQL_PROTOCOL_SOCKET;
}
}
break;
break;
case '#':
DBUG_PUSH(argument ? argument : "d:t:o");
debug_check_flag= 1;
break;
#include <sslopt-case.h>
case 'V':
print_version();
exit(0);
break;
case '?':
case 'I': /* Info */
usage();
exit(0);
}
return 0;
}
static void
get_options(int *argc,char ***argv)
{
int ho_error;
if ((ho_error=handle_options(argc, argv, my_long_options, get_one_option)))
exit(ho_error);
if (tty_password)
opt_password=my_get_tty_password(NullS);
if (opt_count)
{
/*
We need to set verbose to 2 as we need to change the output to include
the number-of-rows column
*/
opt_verbose= 2;
}
if (debug_info_flag)
my_end_arg= MY_CHECK_ERROR | MY_GIVE_INFO;
if (debug_check_flag)
my_end_arg= MY_CHECK_ERROR;
return;
}
static int
list_dbs(MYSQL *mysql,const char *wild)
{
const char *header;
size_t length = 0;
uint counter = 0;
ulong rowcount = 0L;
char tables[NAME_LEN+1], rows[NAME_LEN+1];
char query[NAME_LEN + 100];
MYSQL_FIELD *field;
MYSQL_RES *result;
MYSQL_ROW row= NULL, rrow;
if (!(result=mysql_list_dbs(mysql,wild)))
{
fprintf(stderr,"%s: Cannot list databases: %s\n",my_progname,
mysql_error(mysql));
return 1;
}
/*
If a wildcard was used, but there was only one row and it's name is an
exact match, we'll assume they really wanted to see the contents of that
database. This is because it is fairly common for database names to
contain the underscore (_), like INFORMATION_SCHEMA.
*/
if (wild && mysql_num_rows(result) == 1)
{
row= mysql_fetch_row(result);
if (!my_strcasecmp(&my_charset_latin1, row[0], wild))
{
mysql_free_result(result);
if (opt_status)
return list_table_status(mysql, wild, NULL);
else
return list_tables(mysql, wild, NULL);
}
}
if (wild)
printf("Wildcard: %s\n",wild);
header="Databases";
length= strlen(header);
field=mysql_fetch_field(result);
if (length < field->max_length)
length=field->max_length;
if (!opt_verbose)
print_header(header,length,NullS);
else if (opt_verbose == 1)
print_header(header,length,"Tables",6,NullS);
else
print_header(header,length,"Tables",6,"Total Rows",12,NullS);
/* The first row may have already been read up above. */
while (row || (row= mysql_fetch_row(result)))
{
counter++;
if (opt_verbose)
{
if (!(mysql_select_db(mysql,row[0])))
{
MYSQL_RES *tresult = mysql_list_tables(mysql,(char*)NULL);
if (mysql_affected_rows(mysql) > 0)
{
snprintf(tables, sizeof(tables), "%6lu",(ulong) mysql_affected_rows(mysql));
rowcount = 0;
if (opt_verbose > 1)
{
/* Print the count of tables and rows for each database */
MYSQL_ROW trow;
while ((trow = mysql_fetch_row(tresult)))
{
my_snprintf(query, sizeof(query),
"SELECT COUNT(*) FROM `%s`", trow[0]);
if (!(mysql_query(mysql,query)))
{
MYSQL_RES *rresult;
if ((rresult = mysql_store_result(mysql)))
{
rrow = mysql_fetch_row(rresult);
rowcount += (ulong) strtoull(rrow[0], (char**) 0, 10);
mysql_free_result(rresult);
}
}
}
snprintf(rows, sizeof(rows), "%12lu", rowcount);
}
}
else
{
snprintf(tables, sizeof(tables), "%6d" ,0);
snprintf(rows, sizeof(rows), "%12d", 0);
}
mysql_free_result(tresult);
}
else
{
strmov(tables,"N/A");
strmov(rows,"N/A");
}
}
if (!opt_verbose)
print_row(row[0],length,0);
else if (opt_verbose == 1)
print_row(row[0],length,tables,6,NullS);
else
print_row(row[0],length,tables,6,rows,12,NullS);
row= NULL;
}
print_trailer(length,
(opt_verbose > 0 ? 6 : 0),
(opt_verbose > 1 ? 12 :0),
0);
if (counter && opt_verbose)
printf("%u row%s in set.\n",counter,(counter > 1) ? "s" : "");
mysql_free_result(result);
return 0;
}
static int
list_tables(MYSQL *mysql,const char *db,const char *table)
{
const char *header;
size_t head_length;
uint counter = 0;
char query[NAME_LEN + 100], rows[NAME_LEN], fields[16];
MYSQL_FIELD *field;
MYSQL_RES *result;
MYSQL_ROW row, rrow;
if (mysql_select_db(mysql,db))
{
fprintf(stderr,"%s: Cannot connect to db %s: %s\n",my_progname,db,
mysql_error(mysql));
return 1;
}
if (table)
{
/*
We just hijack the 'rows' variable for a bit to store the escaped
table name
*/
mysql_real_escape_string(mysql, rows, table, (unsigned long)strlen(table));
my_snprintf(query, sizeof(query), "show%s tables like '%s'",
opt_table_type ? " full" : "", rows);
}
else
my_snprintf(query, sizeof(query), "show%s tables",
opt_table_type ? " full" : "");
if (mysql_query(mysql, query) || !(result= mysql_store_result(mysql)))
{
fprintf(stderr,"%s: Cannot list tables in %s: %s\n",my_progname,db,
mysql_error(mysql));
exit(1);
}
printf("Database: %s",db);
if (table)
printf(" Wildcard: %s",table);
putchar('\n');
header="Tables";
head_length= strlen(header);
field=mysql_fetch_field(result);
if (head_length < field->max_length)
head_length=field->max_length;
if (opt_table_type)
{
if (!opt_verbose)
print_header(header,head_length,"table_type",10,NullS);
else if (opt_verbose == 1)
print_header(header,head_length,"table_type",10,"Columns",8,NullS);
else
{
print_header(header,head_length,"table_type",10,"Columns",8,
"Total Rows",10,NullS);
}
}
else
{
if (!opt_verbose)
print_header(header,head_length,NullS);
else if (opt_verbose == 1)
print_header(header,head_length,"Columns",8,NullS);
else
print_header(header,head_length,"Columns",8, "Total Rows",10,NullS);
}
while ((row = mysql_fetch_row(result)))
{
counter++;
if (opt_verbose > 0)
{
if (!(mysql_select_db(mysql,db)))
{
MYSQL_RES *rresult = mysql_list_fields(mysql,row[0],NULL);
ulong rowcount=0L;
if (!rresult)
{
strmov(fields,"N/A");
strmov(rows,"N/A");
}
else
{
snprintf(fields, sizeof(fields), "%8u", (uint) mysql_num_fields(rresult));
mysql_free_result(rresult);
if (opt_verbose > 1)
{
/* Print the count of rows for each table */
my_snprintf(query, sizeof(query), "SELECT COUNT(*) FROM `%s`",
row[0]);
if (!(mysql_query(mysql,query)))
{
if ((rresult = mysql_store_result(mysql)))
{
rrow = mysql_fetch_row(rresult);
rowcount += (unsigned long) strtoull(rrow[0], (char**) 0, 10);
mysql_free_result(rresult);
}
snprintf(rows, sizeof(rows), "%10lu", rowcount);
}
else
snprintf(rows, sizeof(rows), "%10d", 0);
}
}
}
else
{
strmov(fields,"N/A");
strmov(rows,"N/A");
}
}
if (opt_table_type)
{
if (!opt_verbose)
print_row(row[0],head_length,row[1],10,NullS);
else if (opt_verbose == 1)
print_row(row[0],head_length,row[1],10,fields,8,NullS);
else
print_row(row[0],head_length,row[1],10,fields,8,rows,10,NullS);
}
else
{
if (!opt_verbose)
print_row(row[0],head_length,NullS);
else if (opt_verbose == 1)
print_row(row[0],head_length, fields,8, NullS);
else
print_row(row[0],head_length, fields,8, rows,10, NullS);
}
}
print_trailer(head_length,
(opt_table_type ? 10 : opt_verbose > 0 ? 8 : 0),
(opt_table_type ? (opt_verbose > 0 ? 8 : 0)
: (opt_verbose > 1 ? 10 :0)),
!opt_table_type ? 0 : opt_verbose > 1 ? 10 :0,
0);
if (counter && opt_verbose)
printf("%u row%s in set.\n\n",counter,(counter > 1) ? "s" : "");
mysql_free_result(result);
return 0;
}
static int
list_table_status(MYSQL *mysql,const char *db,const char *wild)
{
char query[NAME_LEN + 100];
size_t len;
MYSQL_RES *result;
MYSQL_ROW row;
len= sizeof(query);
len-= my_snprintf(query, len, "show table status from `%s`", db);
if (wild && wild[0] && len)
strxnmov(query + strlen(query), len - 1, " like '", wild, "'", NullS);
if (mysql_query(mysql,query) || !(result=mysql_store_result(mysql)))
{
fprintf(stderr,"%s: Cannot get status for db: %s, table: %s: %s\n",
my_progname,db,wild ? wild : "",mysql_error(mysql));
if (mysql_errno(mysql) == ER_PARSE_ERROR)
fprintf(stderr,"This error probably means that your MariaDB server doesn't support the\n\'show table status' command.\n");
return 1;
}
printf("Database: %s",db);
if (wild)
printf(" Wildcard: %s",wild);
putchar('\n');
print_res_header(result);
while ((row=mysql_fetch_row(result)))
print_res_row(result,row);
print_res_top(result);
mysql_free_result(result);
return 0;
}
/*
list fields uses field interface as an example of how to parse
a MYSQL FIELD
*/
static int
list_fields(MYSQL *mysql,const char *db,const char *table,
const char *wild)
{
char query[NAME_LEN + 100];
size_t len;
MYSQL_RES *result;
MYSQL_ROW row;
ulong UNINIT_VAR(rows);
if (mysql_select_db(mysql,db))
{
fprintf(stderr,"%s: Cannot connect to db: %s: %s\n",my_progname,db,
mysql_error(mysql));
return 1;
}
if (opt_count)
{
my_snprintf(query, sizeof(query), "select count(*) from `%s`", table);
if (mysql_query(mysql,query) || !(result=mysql_store_result(mysql)))
{
fprintf(stderr,"%s: Cannot get record count for db: %s, table: %s: %s\n",
my_progname,db,table,mysql_error(mysql));
return 1;
}
row= mysql_fetch_row(result);
rows= (ulong) strtoull(row[0], (char**) 0, 10);
mysql_free_result(result);
}
len= sizeof(query);
len-= my_snprintf(query, len, "show /*!32332 FULL */ columns from `%s`",
table);
if (wild && wild[0] && len)
strxnmov(query + strlen(query), len - 1, " like '", wild, "'", NullS);
if (mysql_query(mysql,query) || !(result=mysql_store_result(mysql)))
{
fprintf(stderr,"%s: Cannot list columns in db: %s, table: %s: %s\n",
my_progname,db,table,mysql_error(mysql));
return 1;
}
printf("Database: %s Table: %s", db, table);
if (opt_count)
printf(" Rows: %lu", rows);
if (wild && wild[0])
printf(" Wildcard: %s",wild);
putchar('\n');
print_res_header(result);
while ((row=mysql_fetch_row(result)))
print_res_row(result,row);
print_res_top(result);
if (opt_show_keys)
{
my_snprintf(query, sizeof(query), "show keys from `%s`", table);
if (mysql_query(mysql,query) || !(result=mysql_store_result(mysql)))
{
fprintf(stderr,"%s: Cannot list keys in db: %s, table: %s: %s\n",
my_progname,db,table,mysql_error(mysql));
return 1;
}
if (mysql_num_rows(result))
{
print_res_header(result);
while ((row=mysql_fetch_row(result)))
print_res_row(result,row);
print_res_top(result);
}
else
puts("Table has no keys");
}
mysql_free_result(result);
return 0;
}
/*****************************************************************************
General functions to print a nice ascii-table from data
*****************************************************************************/
static void
print_header(const char *header,size_t head_length,...)
{
va_list args;
size_t length,i,str_length,pre_space;
const char *field;
va_start(args,head_length);
putchar('+');
field=header; length=head_length;
for (;;)
{
for (i=0 ; i < length+2 ; i++)
putchar('-');
putchar('+');
if (!(field=va_arg(args,char *)))
break;
length=va_arg(args,uint);
}
va_end(args);
putchar('\n');
va_start(args,head_length);
field=header; length=head_length;
putchar('|');
for (;;)
{
str_length= strlen(field);
if (str_length > length)
str_length=length+1;
pre_space= ((length- str_length)/2)+1;
for (i=0 ; i < pre_space ; i++)
putchar(' ');
for (i = 0 ; i < str_length ; i++)
putchar(field[i]);
length=length+2-str_length-pre_space;
for (i=0 ; i < length ; i++)
putchar(' ');
putchar('|');
if (!(field=va_arg(args,char *)))
break;
length=va_arg(args,uint);
}
va_end(args);
putchar('\n');
va_start(args,head_length);
putchar('+');
field=header; length=head_length;
for (;;)
{
for (i=0 ; i < length+2 ; i++)
putchar('-');
putchar('+');
if (!(field=va_arg(args,char *)))
break;
length=va_arg(args,uint);
}
va_end(args);
putchar('\n');
}
static void
print_row(const char *header,size_t head_length,...)
{
va_list args;
const char *field;
size_t i,length,field_length;
va_start(args,head_length);
field=header; length=head_length;
for (;;)
{
putchar('|');
putchar(' ');
fputs(field,stdout);
field_length= strlen(field);
for (i=field_length ; i <= length ; i++)
putchar(' ');
if (!(field=va_arg(args,char *)))
break;
length=va_arg(args,uint);
}
va_end(args);
putchar('|');
putchar('\n');
}
static void
print_trailer(size_t head_length,...)
{
va_list args;
size_t length,i;
va_start(args,head_length);
length=head_length;
putchar('+');
for (;;)
{
for (i=0 ; i < length+2 ; i++)
putchar('-');
putchar('+');
if (!(length=va_arg(args,uint)))
break;
}
va_end(args);
putchar('\n');
}
static void print_res_header(MYSQL_RES *result)
{
MYSQL_FIELD *field;
print_res_top(result);
mysql_field_seek(result,0);
putchar('|');
while ((field = mysql_fetch_field(result)))
{
printf(" %-*s|",(int) field->max_length+1,field->name);
}
putchar('\n');
print_res_top(result);
}
static void print_res_top(MYSQL_RES *result)
{
size_t i,length;
MYSQL_FIELD *field;
putchar('+');
mysql_field_seek(result,0);
while((field = mysql_fetch_field(result)))
{
if ((length= strlen(field->name)) > field->max_length)
field->max_length=(ulong)length;
else
length=field->max_length;
for (i=length+2 ; i--> 0 ; )
putchar('-');
putchar('+');
}
putchar('\n');
}
static void print_res_row(MYSQL_RES *result,MYSQL_ROW cur)
{
uint i,length;
MYSQL_FIELD *field;
putchar('|');
mysql_field_seek(result,0);
for (i=0 ; i < mysql_num_fields(result); i++)
{
field = mysql_fetch_field(result);
length=field->max_length;
printf(" %-*s|",length+1,cur[i] ? (char*) cur[i] : "");
}
putchar('\n');
}
|