-
Notifications
You must be signed in to change notification settings - Fork 15
/
qgen.c
490 lines (459 loc) · 14.1 KB
/
qgen.c
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
/*
* $Id: qgen.c,v 1.3 2005/10/28 02:54:35 jms Exp $
*
* Revision History
* ===================
* $Log: qgen.c,v $
* Revision 1.3 2005/10/28 02:54:35 jms
* add release.h changes
*
* Revision 1.2 2005/01/03 20:08:59 jms
* change line terminations
*
* Revision 1.1.1.1 2004/11/24 23:31:47 jms
* re-establish external server
*
* Revision 1.1.1.1 2003/04/03 18:54:21 jms
* recreation after CVS crash
*
* Revision 1.1.1.1 2003/04/03 18:54:21 jms
* initial checkin
*
*
*/
/*
* qgen.c -- routines to convert query templates to executable query
* text for TPC-H and TPC-R
*/
#define DECLARER
#include <stdio.h>
#include <string.h>
#if (defined(_POSIX_)||!defined(WIN32))
#include <unistd.h>
#else
#include "process.h"
#endif /* WIN32 */
#include <ctype.h>
#include <time.h>
#include "config.h"
#include "dss.h"
#include "tpcd.h"
#include "permute.h"
#include "release.h"
#define LINE_SIZE 512
/*
* Function Protoypes
*/
void varsub PROTO((int qnum, int vnum, int flags));
int strip_comments PROTO((char *line));
void usage PROTO((void));
int process_options PROTO((int cnt, char **args));
int setup PROTO((void));
void qsub PROTO((char *qtag, int flags));
extern char *optarg;
extern int optind;
char **mk_ascdate(void);
extern seed_t Seed[];
char **asc_date;
int snum = -1;
char *prog;
tdef tdefs = { NULL };
long rndm;
double flt_scale;
distribution q13a, q13b;
int qnum;
char *db_name = NULL;
/*
* FUNCTION strip_comments(line)
*
* remove all comments from 'line'; recognizes both {} and -- comments
*/
int
strip_comments(char *line)
{
static int in_comment = 0;
char *cp1, *cp2;
cp1 = line;
while (1) /* traverse the entire string */
{
if (in_comment)
{
if ((cp2 = strchr(cp1, '}')) != NULL) /* comment ends */
{
strcpy(cp1, cp2 + 1);
in_comment = 0;
continue;
}
else
{
*cp1 = '\0';
break;
}
}
else /* not in_comment */
{
if ((cp2 = strchr(cp1, '-')) != NULL)
{
if (*(cp2 + 1) == '-') /* found a '--' comment */
{
*cp2 = '\0';
break;
}
}
if ((cp2 = strchr(cp1, '{')) != NULL) /* comment starts */
{
in_comment = 1;
*cp2 = ' ';
continue;
}
else break;
}
}
return(0);
}
/*
* FUNCTION qsub(char *qtag, int flags)
*
* based on the settings of flags, and the template file $QDIR/qtag.sql
* make the following substitutions to turn a query template into EQT
*
* String Converted to Based on
* ====== ============ ===========
* first line database <db_name>; -n from command line
* second line set explain on; -x from command line
* :<number> parameter <number>
* :k set number
* :o output to outpath/qnum.snum
* -o from command line, SET_OUTPUT
* :s stream number
* :b BEGIN WORK; -a from command line, START_TRAN
* :e COMMIT WORK; -a from command line, END_TRAN
* :q query number
* :n<number> sets rowcount to be returned
*/
void
qsub(char *qtag, int flags)
{
static char *line = NULL,
*qpath = NULL;
FILE *qfp;
char *cptr,
*mark,
*qroot = NULL;
qnum = atoi(qtag);
if (line == NULL)
{
line = malloc(BUFSIZ);
qpath = malloc(BUFSIZ);
MALLOC_CHECK(line);
MALLOC_CHECK(qpath);
}
qroot = env_config(QDIR_TAG, QDIR_DFLT);
sprintf(qpath, "%s%c%s.sql",
qroot, PATH_SEP, qtag);
qfp = fopen(qpath, "r");
OPEN_CHECK(qfp, qpath);
rowcnt = rowcnt_dflt[qnum];
varsub(qnum, 0, flags); /* set the variables */
if (flags & DFLT_NUM)
fprintf(ofp, SET_ROWCOUNT, rowcnt);
while (fgets(line, BUFSIZ, qfp) != NULL)
{
if (!(flags & COMMENT))
strip_comments(line);
mark = line;
while ((cptr = strchr(mark, VTAG)) != NULL)
{
*cptr = '\0';
cptr++;
fprintf(ofp,"%s", mark);
switch(*cptr)
{
case 'b':
case 'B':
if (!(flags & ANSI))
fprintf(ofp,"%s\n", START_TRAN);
cptr++;
break;
case 'c':
case 'C':
if (flags & DBASE)
fprintf(ofp, SET_DBASE, db_name);
cptr++;
break;
case 'e':
case 'E':
if (!(flags & ANSI))
fprintf(ofp,"%s\n", END_TRAN);
cptr++;
break;
case 'n':
case 'N':
if (!(flags & DFLT_NUM))
{
rowcnt=atoi(++cptr);
while (isdigit(*cptr) || *cptr == ' ') cptr++;
fprintf(ofp, SET_ROWCOUNT, rowcnt);
}
continue;
case 'o':
case 'O':
if (flags & OUTPUT)
fprintf(ofp,"%s '%s/%s.%d'", SET_OUTPUT, osuff,
qtag, (snum < 0)?0:snum);
cptr++;
break;
case 'q':
case 'Q':
fprintf(ofp,"%s", qtag);
cptr++;
break;
case 's':
case 'S':
fprintf(ofp,"%d", (snum < 0)?0:snum);
cptr++;
break;
case 'X':
case 'x':
if (flags & EXPLAIN)
fprintf(ofp, "%s\n", GEN_QUERY_PLAN);
cptr++;
break;
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
varsub(qnum, atoi(cptr), flags & DFLT);
while (isdigit(*++cptr));
break;
default:
fprintf(stderr, "-- unknown flag '%c%c' ignored\n",
VTAG, *cptr);
cptr++;
break;
}
mark=cptr;
}
fprintf(ofp,"%s", mark);
}
fclose(qfp);
fflush(stdout);
return;
}
void
usage(void)
{
printf("%s Parameter Substitution (v. %d.%d.%d build %d)\n",
NAME, VERSION,RELEASE,
PATCH,BUILD);
printf("Copyright %s %s\n", TPC, C_DATES);
printf("USAGE: %s <options> [ queries ]\n", prog);
printf("Options:\n");
printf("\t-a\t\t-- use ANSI semantics.\n");
printf("\t-b <str>\t-- load distributions from <str>\n");
printf("\t-c\t\t-- retain comments found in template.\n");
printf("\t-d\t\t-- use default substitution values.\n");
printf("\t-h\t\t-- print this usage summary.\n");
printf("\t-i <str>\t-- use the contents of file <str> to begin a query.\n");
printf("\t-l <str>\t-- log parameters to <str>.\n");
printf("\t-n <str>\t-- connect to database <str>.\n");
printf("\t-N\t\t-- use default rowcounts and ignore :n directive.\n");
printf("\t-o <str>\t-- set the output file base path to <str>.\n");
printf("\t-p <n>\t\t-- use the query permutation for stream <n>\n");
printf("\t-r <n>\t\t-- seed the random number generator with <n>\n");
printf("\t-s <n>\t\t-- base substitutions on an SF of <n>\n");
printf("\t-v\t\t-- verbose.\n");
printf("\t-t <str>\t-- use the contents of file <str> to complete a query\n");
printf("\t-x\t\t-- enable SET EXPLAIN in each query.\n");
}
int
process_options(int cnt, char **args)
{
int flag;
while((flag = getopt(cnt, args, "ab:cdhi:n:Nl:o:p:r:s:t:vx")) != -1)
switch(flag)
{
case 'a': /* use ANSI semantics */
flags |= ANSI;
break;
case 'b': /* load distributions from named file */
d_path = (char *)malloc((int)strlen(optarg) + 1);
MALLOC_CHECK(d_path);
strcpy(d_path, optarg);
break;
case 'c': /* retain comments in EQT */
flags |= COMMENT;
break;
case 'd': /* use default substitution values */
flags |= DFLT;
break;
case 'h': /* just generate the usage summary */
usage();
exit(0);
break;
case 'i': /* set stream initialization file name */
ifile = malloc((int)strlen(optarg) + 1);
MALLOC_CHECK(ifile);
strcpy(ifile, optarg);
flags |= INIT;
break;
case 'l': /* log parameter usages */
lfile = malloc((int)strlen(optarg) + 1);
MALLOC_CHECK(lfile);
strcpy(lfile, optarg);
flags |= LOG;
break;
case 'N': /* use default rowcounts */
flags |= DFLT_NUM;
break;
case 'n': /* set database name */
db_name = malloc((int)strlen(optarg) + 1);
MALLOC_CHECK(db_name);
strcpy(db_name, optarg);
flags |= DBASE;
break;
case 'o': /* set the output path */
osuff = malloc((int)strlen(optarg) + 1);
MALLOC_CHECK(osuff);
strcpy(osuff, optarg);
flags |=OUTPUT;
break;
case 'p': /* permutation for a given stream */
snum = atoi(optarg);
break;
case 'r': /* set random number seed for parameter gen */
flags |= SEED;
rndm = atol(optarg);
break;
case 's': /* scale of data set to run against */
flt_scale = atof(optarg);
if (scale > MAX_SCALE)
fprintf(stderr, "%s %5.0f %s\n%s\n",
"WARNING: Support for scale factors >",
MAX_SCALE,
"GB is still in development.",
"Data set integrity is not guaranteed.\n");
break;
case 't': /* set termination file name */
tfile = malloc((int)strlen(optarg) + 1);
MALLOC_CHECK(tfile);
strcpy(tfile, optarg);
flags |= TERMINATE;
break;
case 'v': /* verbose */
flags |= VERBOSE;
break;
case 'x': /* set explain in the queries */
flags |= EXPLAIN;
break;
default:
printf("unknown option '%s' ignored\n", args[optind]);
usage();
exit(1);
break;
}
return(0);
}
int
setup(void)
{
asc_date = mk_ascdate();
read_dist(env_config(DIST_TAG, DIST_DFLT), "p_cntr", &p_cntr_set);
read_dist(env_config(DIST_TAG, DIST_DFLT), "colors", &colors);
read_dist(env_config(DIST_TAG, DIST_DFLT), "p_types", &p_types_set);
read_dist(env_config(DIST_TAG, DIST_DFLT), "nations", &nations);
read_dist(env_config(DIST_TAG, DIST_DFLT), "nations2", &nations2);
read_dist(env_config(DIST_TAG, DIST_DFLT), "regions", ®ions);
read_dist(env_config(DIST_TAG, DIST_DFLT), "o_oprio",
&o_priority_set);
read_dist(env_config(DIST_TAG, DIST_DFLT), "instruct",
&l_instruct_set);
read_dist(env_config(DIST_TAG, DIST_DFLT), "smode", &l_smode_set);
read_dist(env_config(DIST_TAG, DIST_DFLT), "category",
&l_category_set);
read_dist(env_config(DIST_TAG, DIST_DFLT), "rflag", &l_rflag_set);
read_dist(env_config(DIST_TAG, DIST_DFLT), "msegmnt", &c_mseg_set);
read_dist(env_config(DIST_TAG, DIST_DFLT), "Q13a", &q13a);
read_dist(env_config(DIST_TAG, DIST_DFLT), "Q13b", &q13b);
return(0);
}
int main(int ac, char **av)
{
int i;
FILE *ifp;
char line[LINE_SIZE];
prog = av[0];
flt_scale = (double)1.0;
flags = 0;
d_path = NULL;
process_options(ac, av);
if (flags & VERBOSE)
fprintf(ofp,
"-- TPC %s Parameter Substitution (Version %d.%d.%d build %d)\n",
NAME, VERSION, RELEASE, PATCH, BUILD);
setup();
if (!(flags & DFLT)) /* perturb the RNG */
{
if (!(flags & SEED))
rndm = (long)((unsigned)time(NULL));
if (rndm < 0)
rndm += 2147483647;
Seed[0].value = rndm;
for (i=1; i <= QUERIES_PER_SET; i++)
{
Seed[0].value = NextRand(Seed[0].value);
Seed[i].value = Seed[0].value;
}
printf("-- using %ld as a seed to the RNG\n", rndm);
}
else
printf("-- using default substitutions\n");
if (flags & INIT) /* init stream with ifile */
{
ifp = fopen(ifile, "r");
OPEN_CHECK(ifp, ifile);
while (fgets(line, LINE_SIZE, ifp) != NULL)
fprintf(stdout, "%s", line);
}
if (snum >= 0)
if (optind < ac)
for (i=optind; i < ac; i++)
{
char qname[10];
sprintf(qname, "%d", SEQUENCE(snum, atoi(av[i])));
qsub(qname, flags);
}
else
for (i=1; i <= QUERIES_PER_SET; i++)
{
char qname[10];
sprintf(qname, "%d", SEQUENCE(snum, i));
qsub(qname, flags);
}
else
if (optind < ac)
for (i=optind; i < ac; i++)
qsub(av[i], flags);
else
for (i=1; i <= QUERIES_PER_SET; i++)
{
char qname[10];
sprintf(qname, "%d", i);
printf("\n\n-- QUERY%d", i);
qsub(qname, flags);
}
if (flags & TERMINATE) /* terminate stream with tfile */
{
ifp = fopen(tfile, "r");
if (ifp == NULL)
OPEN_CHECK(ifp, tfile);
while (fgets(line, LINE_SIZE, ifp) != NULL)
fprintf(stdout, "%s", line);
}
return(0);
}