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Side by Side Diff: third_party/sqlite/src/test/wordcount.c

Issue 2751253002: [sql] Import SQLite 3.17.0. (Closed)
Patch Set: also clang on Linux i386 Created 3 years, 9 months ago
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1 /* 1 /*
2 ** This C program extracts all "words" from an input document and adds them 2 ** This C program extracts all "words" from an input document and adds them
3 ** to an SQLite database. A "word" is any contiguous sequence of alphabetic 3 ** to an SQLite database. A "word" is any contiguous sequence of alphabetic
4 ** characters. All digits, punctuation, and whitespace characters are 4 ** characters. All digits, punctuation, and whitespace characters are
5 ** word separators. The database stores a single entry for each distinct 5 ** word separators. The database stores a single entry for each distinct
6 ** word together with a count of the number of occurrences of that word. 6 ** word together with a count of the number of occurrences of that word.
7 ** A fresh database is created automatically on each run. 7 ** A fresh database is created automatically on each run.
8 ** 8 **
9 ** wordcount DATABASE INPUTFILE 9 ** wordcount DATABASE INPUTFILE
10 ** 10 **
11 ** The INPUTFILE name can be omitted, in which case input it taken from 11 ** The INPUTFILE name can be omitted, in which case input it taken from
12 ** standard input. 12 ** standard input.
13 ** 13 **
14 ** Option: 14 ** Option:
15 ** 15 **
16 ** --without-rowid Use a WITHOUT ROWID table to store the words.
17 ** --insert Use INSERT mode (the default)
18 ** --replace Use REPLACE mode
19 ** --select Use SELECT mode
20 ** --update Use UPDATE mode
21 ** --delete Use DELETE mode
22 ** --query Use QUERY mode
23 ** --nocase Add the NOCASE collating sequence to the words.
24 ** --trace Enable sqlite3_trace() output.
25 ** --summary Show summary information on the collected data.
26 ** --stats Show sqlite3_status() results at the end.
27 ** --pagesize NNN Use a page size of NNN
28 ** --cachesize NNN Use a cache size of NNN
29 ** --commit NNN Commit after every NNN operations
30 ** --nosync Use PRAGMA synchronous=OFF
31 ** --journal MMMM Use PRAGMA journal_mode=MMMM
32 ** --timer Time the operation of this program
33 ** 16 **
34 ** Modes: 17 ** Modes:
35 ** 18 **
36 ** Insert mode means: 19 ** Insert mode means:
37 ** (1) INSERT OR IGNORE INTO wordcount VALUES($new,1) 20 ** (1) INSERT OR IGNORE INTO wordcount VALUES($new,1)
38 ** (2) UPDATE wordcount SET cnt=cnt+1 WHERE word=$new -- if (1) is a noop 21 ** (2) UPDATE wordcount SET cnt=cnt+1 WHERE word=$new -- if (1) is a noop
39 ** 22 **
40 ** Update mode means: 23 ** Update mode means:
41 ** (1) INSERT OR IGNORE INTO wordcount VALUES($new,0) 24 ** (1) INSERT OR IGNORE INTO wordcount VALUES($new,0)
42 ** (2) UPDATE wordcount SET cnt=cnt+1 WHERE word=$new 25 ** (2) UPDATE wordcount SET cnt=cnt+1 WHERE word=$new
(...skipping 30 matching lines...) Expand all
73 ** 56 **
74 ** gcc -I. -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION \ 57 ** gcc -I. -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION \
75 ** wordcount.c sqlite3.c 58 ** wordcount.c sqlite3.c
76 */ 59 */
77 #include <stdio.h> 60 #include <stdio.h>
78 #include <string.h> 61 #include <string.h>
79 #include <ctype.h> 62 #include <ctype.h>
80 #include <stdlib.h> 63 #include <stdlib.h>
81 #include <stdarg.h> 64 #include <stdarg.h>
82 #include "sqlite3.h" 65 #include "sqlite3.h"
66 #ifndef _WIN32
67 # include <unistd.h>
68 #else
69 # include <io.h>
70 #endif
83 #define ISALPHA(X) isalpha((unsigned char)(X)) 71 #define ISALPHA(X) isalpha((unsigned char)(X))
84 72
73 const char zHelp[] =
74 "Usage: wordcount [OPTIONS] DATABASE [INPUT]\n"
75 " --all Repeat the test for all test modes\n"
76 " --cachesize NNN Use a cache size of NNN\n"
77 " --commit NNN Commit after every NNN operations\n"
78 " --delete Use DELETE mode\n"
79 " --insert Use INSERT mode (the default)\n"
80 " --journal MMMM Use PRAGMA journal_mode=MMMM\n"
81 " --nocase Add the NOCASE collating sequence to the words.\n"
82 " --nosync Use PRAGMA synchronous=OFF\n"
83 " --pagesize NNN Use a page size of NNN\n"
84 " --query Use QUERY mode\n"
85 " --replace Use REPLACE mode\n"
86 " --select Use SELECT mode\n"
87 " --stats Show sqlite3_status() results at the end.\n"
88 " --summary Show summary information on the collected data.\n"
89 " --tag NAME Tag all output using NAME. Use only stdout.\n"
90 " --timer Time the operation of this program\n"
91 " --trace Enable sqlite3_trace() output.\n"
92 " --update Use UPDATE mode\n"
93 " --without-rowid Use a WITHOUT ROWID table to store the words.\n"
94 ;
95
96 /* Output tag */
97 char *zTag = "--";
98
85 /* Return the current wall-clock time */ 99 /* Return the current wall-clock time */
86 static sqlite3_int64 realTime(void){ 100 static sqlite3_int64 realTime(void){
87 static sqlite3_vfs *clockVfs = 0; 101 static sqlite3_vfs *clockVfs = 0;
88 sqlite3_int64 t; 102 sqlite3_int64 t;
89 if( clockVfs==0 ) clockVfs = sqlite3_vfs_find(0); 103 if( clockVfs==0 ) clockVfs = sqlite3_vfs_find(0);
90 if( clockVfs->iVersion>=1 && clockVfs->xCurrentTimeInt64!=0 ){ 104 if( clockVfs->iVersion>=1 && clockVfs->xCurrentTimeInt64!=0 ){
91 clockVfs->xCurrentTimeInt64(clockVfs, &t); 105 clockVfs->xCurrentTimeInt64(clockVfs, &t);
92 }else{ 106 }else{
93 double r; 107 double r;
94 clockVfs->xCurrentTime(clockVfs, &r); 108 clockVfs->xCurrentTime(clockVfs, &r);
95 t = (sqlite3_int64)(r*86400000.0); 109 t = (sqlite3_int64)(r*86400000.0);
96 } 110 }
97 return t; 111 return t;
98 } 112 }
99 113
100 /* Print an error message and exit */ 114 /* Print an error message and exit */
101 static void fatal_error(const char *zMsg, ...){ 115 static void fatal_error(const char *zMsg, ...){
102 va_list ap; 116 va_list ap;
103 va_start(ap, zMsg); 117 va_start(ap, zMsg);
104 vfprintf(stderr, zMsg, ap); 118 vfprintf(stderr, zMsg, ap);
105 va_end(ap); 119 va_end(ap);
106 exit(1); 120 exit(1);
107 } 121 }
108 122
123 /* Print a usage message and quit */
124 static void usage(void){
125 printf("%s",zHelp);
126 exit(0);
127 }
128
109 /* The sqlite3_trace() callback function */ 129 /* The sqlite3_trace() callback function */
110 static void traceCallback(void *NotUsed, const char *zSql){ 130 static void traceCallback(void *NotUsed, const char *zSql){
111 printf("%s;\n", zSql); 131 printf("%s;\n", zSql);
112 } 132 }
113 133
114 /* An sqlite3_exec() callback that prints results on standard output, 134 /* An sqlite3_exec() callback that prints results on standard output,
115 ** each column separated by a single space. */ 135 ** each column separated by a single space. */
116 static int printResult(void *NotUsed, int nArg, char **azArg, char **azNm){ 136 static int printResult(void *NotUsed, int nArg, char **azArg, char **azNm){
117 int i; 137 int i;
118 printf("--"); 138 printf("%s", zTag);
119 for(i=0; i<nArg; i++){ 139 for(i=0; i<nArg; i++){
120 printf(" %s", azArg[i] ? azArg[i] : "(null)"); 140 printf(" %s", azArg[i] ? azArg[i] : "(null)");
121 } 141 }
122 printf("\n"); 142 printf("\n");
123 return 0; 143 return 0;
124 } 144 }
125 145
126 146
127 /* 147 /*
128 ** Add one character to a hash 148 ** Add one character to a hash
(...skipping 49 matching lines...) Expand 10 before | Expand all | Expand 10 after
178 static void checksumFinalize(sqlite3_context *context){ 198 static void checksumFinalize(sqlite3_context *context){
179 unsigned int *a; 199 unsigned int *a;
180 char zResult[24]; 200 char zResult[24];
181 a = sqlite3_aggregate_context(context, 0); 201 a = sqlite3_aggregate_context(context, 0);
182 if( a ){ 202 if( a ){
183 finalHash(a, zResult); 203 finalHash(a, zResult);
184 sqlite3_result_text(context, zResult, -1, SQLITE_TRANSIENT); 204 sqlite3_result_text(context, zResult, -1, SQLITE_TRANSIENT);
185 } 205 }
186 } 206 }
187 207
188
189 /* Define operating modes */ 208 /* Define operating modes */
190 #define MODE_INSERT 0 209 #define MODE_INSERT 0
191 #define MODE_REPLACE 1 210 #define MODE_REPLACE 1
192 #define MODE_SELECT 2 211 #define MODE_SELECT 2
193 #define MODE_UPDATE 3 212 #define MODE_UPDATE 3
194 #define MODE_DELETE 4 213 #define MODE_DELETE 4
195 #define MODE_QUERY 5 214 #define MODE_QUERY 5
215 #define MODE_COUNT 6
216 #define MODE_ALL (-1)
217
218 /* Mode names */
219 static const char *azMode[] = {
220 "--insert",
221 "--replace",
222 "--select",
223 "--update",
224 "--delete",
225 "--query"
226 };
227
228 /*
229 ** Determine if another iteration of the test is required. Return true
230 ** if so. Return zero if all iterations have finished.
231 */
232 static int allLoop(
233 int iMode, /* The selected test mode */
234 int *piLoopCnt, /* Iteration loop counter */
235 int *piMode2, /* The test mode to use on the next iteration */
236 int *pUseWithoutRowid /* Whether or not to use --without-rowid */
237 ){
238 int i;
239 if( iMode!=MODE_ALL ){
240 if( *piLoopCnt ) return 0;
241 *piMode2 = iMode;
242 *piLoopCnt = 1;
243 return 1;
244 }
245 if( (*piLoopCnt)>=MODE_COUNT*2 ) return 0;
246 i = (*piLoopCnt)++;
247 *pUseWithoutRowid = i&1;
248 *piMode2 = i>>1;
249 return 1;
250 }
196 251
197 int main(int argc, char **argv){ 252 int main(int argc, char **argv){
198 const char *zFileToRead = 0; /* Input file. NULL for stdin */ 253 const char *zFileToRead = 0; /* Input file. NULL for stdin */
199 const char *zDbName = 0; /* Name of the database file to create */ 254 const char *zDbName = 0; /* Name of the database file to create */
200 int useWithoutRowid = 0; /* True for --without-rowid */ 255 int useWithoutRowid = 0; /* True for --without-rowid */
201 int iMode = MODE_INSERT; /* One of MODE_xxxxx */ 256 int iMode = MODE_INSERT; /* One of MODE_xxxxx */
257 int iMode2; /* Mode to use for current --all iteration */
258 int iLoopCnt = 0; /* Which iteration when running --all */
202 int useNocase = 0; /* True for --nocase */ 259 int useNocase = 0; /* True for --nocase */
203 int doTrace = 0; /* True for --trace */ 260 int doTrace = 0; /* True for --trace */
204 int showStats = 0; /* True for --stats */ 261 int showStats = 0; /* True for --stats */
205 int showSummary = 0; /* True for --summary */ 262 int showSummary = 0; /* True for --summary */
206 int showTimer = 0; /* True for --timer */ 263 int showTimer = 0; /* True for --timer */
207 int cacheSize = 0; /* Desired cache size. 0 means default */ 264 int cacheSize = 0; /* Desired cache size. 0 means default */
208 int pageSize = 0; /* Desired page size. 0 means default */ 265 int pageSize = 0; /* Desired page size. 0 means default */
209 int commitInterval = 0; /* How often to commit. 0 means never */ 266 int commitInterval = 0; /* How often to commit. 0 means never */
210 int noSync = 0; /* True for --nosync */ 267 int noSync = 0; /* True for --nosync */
211 const char *zJMode = 0; /* Journal mode */ 268 const char *zJMode = 0; /* Journal mode */
212 int nOp = 0; /* Operation counter */ 269 int nOp = 0; /* Operation counter */
213 int i, j; /* Loop counters */ 270 int i, j; /* Loop counters */
214 sqlite3 *db; /* The SQLite database connection */ 271 sqlite3 *db; /* The SQLite database connection */
215 char *zSql; /* Constructed SQL statement */ 272 char *zSql; /* Constructed SQL statement */
216 sqlite3_stmt *pInsert = 0; /* The INSERT statement */ 273 sqlite3_stmt *pInsert = 0; /* The INSERT statement */
217 sqlite3_stmt *pUpdate = 0; /* The UPDATE statement */ 274 sqlite3_stmt *pUpdate = 0; /* The UPDATE statement */
218 sqlite3_stmt *pSelect = 0; /* The SELECT statement */ 275 sqlite3_stmt *pSelect = 0; /* The SELECT statement */
219 sqlite3_stmt *pDelete = 0; /* The DELETE statement */ 276 sqlite3_stmt *pDelete = 0; /* The DELETE statement */
220 FILE *in; /* The open input file */ 277 FILE *in; /* The open input file */
221 int rc; /* Return code from an SQLite interface */ 278 int rc; /* Return code from an SQLite interface */
222 int iCur, iHiwtr; /* Statistics values, current and "highwater" */ 279 int iCur, iHiwtr; /* Statistics values, current and "highwater" */
280 FILE *pTimer = stderr; /* Output channel for the timer */
223 sqlite3_int64 sumCnt = 0; /* Sum in QUERY mode */ 281 sqlite3_int64 sumCnt = 0; /* Sum in QUERY mode */
224 sqlite3_int64 startTime; 282 sqlite3_int64 startTime; /* Time of start */
283 sqlite3_int64 totalTime = 0; /* Total time */
225 char zInput[2000]; /* A single line of input */ 284 char zInput[2000]; /* A single line of input */
226 285
227 /* Process command-line arguments */ 286 /* Process command-line arguments */
228 for(i=1; i<argc; i++){ 287 for(i=1; i<argc; i++){
229 const char *z = argv[i]; 288 const char *z = argv[i];
230 if( z[0]=='-' ){ 289 if( z[0]=='-' ){
231 do{ z++; }while( z[0]=='-' ); 290 do{ z++; }while( z[0]=='-' );
232 if( strcmp(z,"without-rowid")==0 ){ 291 if( strcmp(z,"without-rowid")==0 ){
233 useWithoutRowid = 1; 292 useWithoutRowid = 1;
234 }else if( strcmp(z,"replace")==0 ){ 293 }else if( strcmp(z,"replace")==0 ){
235 iMode = MODE_REPLACE; 294 iMode = MODE_REPLACE;
236 }else if( strcmp(z,"select")==0 ){ 295 }else if( strcmp(z,"select")==0 ){
237 iMode = MODE_SELECT; 296 iMode = MODE_SELECT;
238 }else if( strcmp(z,"insert")==0 ){ 297 }else if( strcmp(z,"insert")==0 ){
239 iMode = MODE_INSERT; 298 iMode = MODE_INSERT;
240 }else if( strcmp(z,"update")==0 ){ 299 }else if( strcmp(z,"update")==0 ){
241 iMode = MODE_UPDATE; 300 iMode = MODE_UPDATE;
242 }else if( strcmp(z,"delete")==0 ){ 301 }else if( strcmp(z,"delete")==0 ){
243 iMode = MODE_DELETE; 302 iMode = MODE_DELETE;
244 }else if( strcmp(z,"query")==0 ){ 303 }else if( strcmp(z,"query")==0 ){
245 iMode = MODE_QUERY; 304 iMode = MODE_QUERY;
305 }else if( strcmp(z,"all")==0 ){
306 iMode = MODE_ALL;
307 showTimer = -99;
246 }else if( strcmp(z,"nocase")==0 ){ 308 }else if( strcmp(z,"nocase")==0 ){
247 useNocase = 1; 309 useNocase = 1;
248 }else if( strcmp(z,"trace")==0 ){ 310 }else if( strcmp(z,"trace")==0 ){
249 doTrace = 1; 311 doTrace = 1;
250 }else if( strcmp(z,"nosync")==0 ){ 312 }else if( strcmp(z,"nosync")==0 ){
251 noSync = 1; 313 noSync = 1;
252 }else if( strcmp(z,"stats")==0 ){ 314 }else if( strcmp(z,"stats")==0 ){
253 showStats = 1; 315 showStats = 1;
254 }else if( strcmp(z,"summary")==0 ){ 316 }else if( strcmp(z,"summary")==0 ){
255 showSummary = 1; 317 showSummary = 1;
256 }else if( strcmp(z,"timer")==0 ){ 318 }else if( strcmp(z,"timer")==0 ){
257 showTimer = i; 319 showTimer = i;
258 }else if( strcmp(z,"cachesize")==0 && i<argc-1 ){ 320 }else if( strcmp(z,"cachesize")==0 && i<argc-1 ){
259 i++; 321 i++;
260 cacheSize = atoi(argv[i]); 322 cacheSize = atoi(argv[i]);
261 }else if( strcmp(z,"pagesize")==0 && i<argc-1 ){ 323 }else if( strcmp(z,"pagesize")==0 && i<argc-1 ){
262 i++; 324 i++;
263 pageSize = atoi(argv[i]); 325 pageSize = atoi(argv[i]);
264 }else if( strcmp(z,"commit")==0 && i<argc-1 ){ 326 }else if( strcmp(z,"commit")==0 && i<argc-1 ){
265 i++; 327 i++;
266 commitInterval = atoi(argv[i]); 328 commitInterval = atoi(argv[i]);
267 }else if( strcmp(z,"journal")==0 && i<argc-1 ){ 329 }else if( strcmp(z,"journal")==0 && i<argc-1 ){
268 zJMode = argv[++i]; 330 zJMode = argv[++i];
331 }else if( strcmp(z,"tag")==0 && i<argc-1 ){
332 zTag = argv[++i];
333 pTimer = stdout;
334 }else if( strcmp(z, "help")==0 || strcmp(z,"?")==0 ){
335 usage();
269 }else{ 336 }else{
270 fatal_error("unknown option: %s\n", argv[i]); 337 fatal_error("unknown option: \"%s\"\n"
338 "Use --help for a list of options\n",
339 argv[i]);
271 } 340 }
272 }else if( zDbName==0 ){ 341 }else if( zDbName==0 ){
273 zDbName = argv[i]; 342 zDbName = argv[i];
274 }else if( zFileToRead==0 ){ 343 }else if( zFileToRead==0 ){
275 zFileToRead = argv[i]; 344 zFileToRead = argv[i];
276 }else{ 345 }else{
277 fatal_error("surplus argument: %s\n", argv[i]); 346 fatal_error("surplus argument: \"%s\"\n", argv[i]);
278 } 347 }
279 } 348 }
280 if( zDbName==0 ){ 349 if( zDbName==0 ){
281 fatal_error("Usage: %s [--options] DATABASE [INPUTFILE]\n", argv[0]); 350 usage();
282 } 351 }
283 startTime = realTime(); 352 startTime = realTime();
284 353
285 /* Open the database and the input file */ 354 /* Open the database and the input file */
355 if( zDbName[0] && strcmp(zDbName,":memory:")!=0 ){
356 unlink(zDbName);
357 }
286 if( sqlite3_open(zDbName, &db) ){ 358 if( sqlite3_open(zDbName, &db) ){
287 fatal_error("Cannot open database file: %s\n", zDbName); 359 fatal_error("Cannot open database file: %s\n", zDbName);
288 } 360 }
289 if( zFileToRead ){ 361 if( zFileToRead ){
290 in = fopen(zFileToRead, "rb"); 362 in = fopen(zFileToRead, "rb");
291 if( in==0 ){ 363 if( in==0 ){
292 fatal_error("Could not open input file \"%s\"\n", zFileToRead); 364 fatal_error("Could not open input file \"%s\"\n", zFileToRead);
293 } 365 }
294 }else{ 366 }else{
367 if( iMode==MODE_ALL ){
368 fatal_error("The --all mode cannot be used with stdin\n");
369 }
295 in = stdin; 370 in = stdin;
296 } 371 }
297 372
298 /* Set database connection options */ 373 /* Set database connection options */
299 if( doTrace ) sqlite3_trace(db, traceCallback, 0); 374 if( doTrace ) sqlite3_trace(db, traceCallback, 0);
300 if( pageSize ){ 375 if( pageSize ){
301 zSql = sqlite3_mprintf("PRAGMA page_size=%d", pageSize); 376 zSql = sqlite3_mprintf("PRAGMA page_size=%d", pageSize);
302 sqlite3_exec(db, zSql, 0, 0, 0); 377 sqlite3_exec(db, zSql, 0, 0, 0);
303 sqlite3_free(zSql); 378 sqlite3_free(zSql);
304 } 379 }
305 if( cacheSize ){ 380 if( cacheSize ){
306 zSql = sqlite3_mprintf("PRAGMA cache_size=%d", cacheSize); 381 zSql = sqlite3_mprintf("PRAGMA cache_size=%d", cacheSize);
307 sqlite3_exec(db, zSql, 0, 0, 0); 382 sqlite3_exec(db, zSql, 0, 0, 0);
308 sqlite3_free(zSql); 383 sqlite3_free(zSql);
309 } 384 }
310 if( noSync ) sqlite3_exec(db, "PRAGMA synchronous=OFF", 0, 0, 0); 385 if( noSync ) sqlite3_exec(db, "PRAGMA synchronous=OFF", 0, 0, 0);
311 if( zJMode ){ 386 if( zJMode ){
312 zSql = sqlite3_mprintf("PRAGMA journal_mode=%s", zJMode); 387 zSql = sqlite3_mprintf("PRAGMA journal_mode=%s", zJMode);
313 sqlite3_exec(db, zSql, 0, 0, 0); 388 sqlite3_exec(db, zSql, 0, 0, 0);
314 sqlite3_free(zSql); 389 sqlite3_free(zSql);
315 } 390 }
316 391
317 392 iLoopCnt = 0;
318 /* Construct the "wordcount" table into which to put the words */ 393 while( allLoop(iMode, &iLoopCnt, &iMode2, &useWithoutRowid) ){
319 if( sqlite3_exec(db, "BEGIN IMMEDIATE", 0, 0, 0) ){ 394 /* Delete prior content in --all mode */
320 fatal_error("Could not start a transaction\n"); 395 if( iMode==MODE_ALL ){
321 } 396 if( sqlite3_exec(db, "DROP TABLE IF EXISTS wordcount; VACUUM;",0,0,0) ){
322 zSql = sqlite3_mprintf( 397 fatal_error("Could not clean up prior iteration\n");
323 "CREATE TABLE IF NOT EXISTS wordcount(\n" 398 }
324 " word TEXT PRIMARY KEY COLLATE %s,\n" 399 startTime = realTime();
325 " cnt INTEGER\n" 400 rewind(in);
326 ")%s", 401 }
327 useNocase ? "nocase" : "binary", 402
328 useWithoutRowid ? " WITHOUT ROWID" : "" 403 /* Construct the "wordcount" table into which to put the words */
329 ); 404 if( sqlite3_exec(db, "BEGIN IMMEDIATE", 0, 0, 0) ){
330 if( zSql==0 ) fatal_error("out of memory\n"); 405 fatal_error("Could not start a transaction\n");
331 rc = sqlite3_exec(db, zSql, 0, 0, 0); 406 }
332 if( rc ) fatal_error("Could not create the wordcount table: %s.\n", 407 zSql = sqlite3_mprintf(
333 sqlite3_errmsg(db)); 408 "CREATE TABLE IF NOT EXISTS wordcount(\n"
334 sqlite3_free(zSql); 409 " word TEXT PRIMARY KEY COLLATE %s,\n"
335 410 " cnt INTEGER\n"
336 /* Prepare SQL statements that will be needed */ 411 ")%s",
337 if( iMode==MODE_QUERY ){ 412 useNocase ? "nocase" : "binary",
338 rc = sqlite3_prepare_v2(db, 413 useWithoutRowid ? " WITHOUT ROWID" : ""
339 "SELECT cnt FROM wordcount WHERE word=?1", 414 );
340 -1, &pSelect, 0); 415 if( zSql==0 ) fatal_error("out of memory\n");
341 if( rc ) fatal_error("Could not prepare the SELECT statement: %s\n", 416 rc = sqlite3_exec(db, zSql, 0, 0, 0);
342 sqlite3_errmsg(db)); 417 if( rc ) fatal_error("Could not create the wordcount table: %s.\n",
343 }
344 if( iMode==MODE_SELECT ){
345 rc = sqlite3_prepare_v2(db,
346 "SELECT 1 FROM wordcount WHERE word=?1",
347 -1, &pSelect, 0);
348 if( rc ) fatal_error("Could not prepare the SELECT statement: %s\n",
349 sqlite3_errmsg(db));
350 rc = sqlite3_prepare_v2(db,
351 "INSERT INTO wordcount(word,cnt) VALUES(?1,1)",
352 -1, &pInsert, 0);
353 if( rc ) fatal_error("Could not prepare the INSERT statement: %s\n",
354 sqlite3_errmsg(db)); 418 sqlite3_errmsg(db));
355 } 419 sqlite3_free(zSql);
356 if( iMode==MODE_SELECT || iMode==MODE_UPDATE || iMode==MODE_INSERT ){ 420
357 rc = sqlite3_prepare_v2(db, 421 /* Prepare SQL statements that will be needed */
358 "UPDATE wordcount SET cnt=cnt+1 WHERE word=?1", 422 if( iMode2==MODE_QUERY ){
359 -1, &pUpdate, 0); 423 rc = sqlite3_prepare_v2(db,
360 if( rc ) fatal_error("Could not prepare the UPDATE statement: %s\n", 424 "SELECT cnt FROM wordcount WHERE word=?1",
361 sqlite3_errmsg(db)); 425 -1, &pSelect, 0);
362 } 426 if( rc ) fatal_error("Could not prepare the SELECT statement: %s\n",
363 if( iMode==MODE_INSERT ){ 427 sqlite3_errmsg(db));
364 rc = sqlite3_prepare_v2(db, 428 }
365 "INSERT OR IGNORE INTO wordcount(word,cnt) VALUES(?1,1)", 429 if( iMode2==MODE_SELECT ){
366 -1, &pInsert, 0); 430 rc = sqlite3_prepare_v2(db,
367 if( rc ) fatal_error("Could not prepare the INSERT statement: %s\n", 431 "SELECT 1 FROM wordcount WHERE word=?1",
368 sqlite3_errmsg(db)); 432 -1, &pSelect, 0);
369 } 433 if( rc ) fatal_error("Could not prepare the SELECT statement: %s\n",
370 if( iMode==MODE_UPDATE ){ 434 sqlite3_errmsg(db));
371 rc = sqlite3_prepare_v2(db, 435 rc = sqlite3_prepare_v2(db,
372 "INSERT OR IGNORE INTO wordcount(word,cnt) VALUES(?1,0)", 436 "INSERT INTO wordcount(word,cnt) VALUES(?1,1)",
373 -1, &pInsert, 0); 437 -1, &pInsert, 0);
374 if( rc ) fatal_error("Could not prepare the INSERT statement: %s\n", 438 if( rc ) fatal_error("Could not prepare the INSERT statement: %s\n",
375 sqlite3_errmsg(db)); 439 sqlite3_errmsg(db));
376 } 440 }
377 if( iMode==MODE_REPLACE ){ 441 if( iMode2==MODE_SELECT || iMode2==MODE_UPDATE || iMode2==MODE_INSERT ){
378 rc = sqlite3_prepare_v2(db, 442 rc = sqlite3_prepare_v2(db,
443 "UPDATE wordcount SET cnt=cnt+1 WHERE word=?1",
444 -1, &pUpdate, 0);
445 if( rc ) fatal_error("Could not prepare the UPDATE statement: %s\n",
446 sqlite3_errmsg(db));
447 }
448 if( iMode2==MODE_INSERT ){
449 rc = sqlite3_prepare_v2(db,
450 "INSERT OR IGNORE INTO wordcount(word,cnt) VALUES(?1,1)",
451 -1, &pInsert, 0);
452 if( rc ) fatal_error("Could not prepare the INSERT statement: %s\n",
453 sqlite3_errmsg(db));
454 }
455 if( iMode2==MODE_UPDATE ){
456 rc = sqlite3_prepare_v2(db,
457 "INSERT OR IGNORE INTO wordcount(word,cnt) VALUES(?1,0)",
458 -1, &pInsert, 0);
459 if( rc ) fatal_error("Could not prepare the INSERT statement: %s\n",
460 sqlite3_errmsg(db));
461 }
462 if( iMode2==MODE_REPLACE ){
463 rc = sqlite3_prepare_v2(db,
379 "REPLACE INTO wordcount(word,cnt)" 464 "REPLACE INTO wordcount(word,cnt)"
380 "VALUES(?1,coalesce((SELECT cnt FROM wordcount WHERE word=?1),0)+1)", 465 "VALUES(?1,coalesce((SELECT cnt FROM wordcount WHERE word=?1),0)+1)",
381 -1, &pInsert, 0); 466 -1, &pInsert, 0);
382 if( rc ) fatal_error("Could not prepare the REPLACE statement: %s\n", 467 if( rc ) fatal_error("Could not prepare the REPLACE statement: %s\n",
383 sqlite3_errmsg(db)); 468 sqlite3_errmsg(db));
384 } 469 }
385 if( iMode==MODE_DELETE ){ 470 if( iMode2==MODE_DELETE ){
386 rc = sqlite3_prepare_v2(db, 471 rc = sqlite3_prepare_v2(db,
387 "DELETE FROM wordcount WHERE word=?1", 472 "DELETE FROM wordcount WHERE word=?1",
388 -1, &pDelete, 0); 473 -1, &pDelete, 0);
389 if( rc ) fatal_error("Could not prepare the DELETE statement: %s\n", 474 if( rc ) fatal_error("Could not prepare the DELETE statement: %s\n",
390 sqlite3_errmsg(db)); 475 sqlite3_errmsg(db));
391 } 476 }
392 477
393 /* Process the input file */ 478 /* Process the input file */
394 while( fgets(zInput, sizeof(zInput), in) ){ 479 while( fgets(zInput, sizeof(zInput), in) ){
395 for(i=0; zInput[i]; i++){ 480 for(i=0; zInput[i]; i++){
396 if( !ISALPHA(zInput[i]) ) continue; 481 if( !ISALPHA(zInput[i]) ) continue;
397 for(j=i+1; ISALPHA(zInput[j]); j++){} 482 for(j=i+1; ISALPHA(zInput[j]); j++){}
398 483
399 /* Found a new word at zInput[i] that is j-i bytes long. 484 /* Found a new word at zInput[i] that is j-i bytes long.
400 ** Process it into the wordcount table. */ 485 ** Process it into the wordcount table. */
401 if( iMode==MODE_DELETE ){ 486 if( iMode2==MODE_DELETE ){
402 sqlite3_bind_text(pDelete, 1, zInput+i, j-i, SQLITE_STATIC); 487 sqlite3_bind_text(pDelete, 1, zInput+i, j-i, SQLITE_STATIC);
403 if( sqlite3_step(pDelete)!=SQLITE_DONE ){ 488 if( sqlite3_step(pDelete)!=SQLITE_DONE ){
404 fatal_error("DELETE failed: %s\n", sqlite3_errmsg(db)); 489 fatal_error("DELETE failed: %s\n", sqlite3_errmsg(db));
405 } 490 }
406 sqlite3_reset(pDelete); 491 sqlite3_reset(pDelete);
407 }else if( iMode==MODE_SELECT ){ 492 }else if( iMode2==MODE_SELECT ){
408 sqlite3_bind_text(pSelect, 1, zInput+i, j-i, SQLITE_STATIC); 493 sqlite3_bind_text(pSelect, 1, zInput+i, j-i, SQLITE_STATIC);
409 rc = sqlite3_step(pSelect); 494 rc = sqlite3_step(pSelect);
410 sqlite3_reset(pSelect); 495 sqlite3_reset(pSelect);
411 if( rc==SQLITE_ROW ){ 496 if( rc==SQLITE_ROW ){
412 sqlite3_bind_text(pUpdate, 1, zInput+i, j-i, SQLITE_STATIC); 497 sqlite3_bind_text(pUpdate, 1, zInput+i, j-i, SQLITE_STATIC);
413 if( sqlite3_step(pUpdate)!=SQLITE_DONE ){ 498 if( sqlite3_step(pUpdate)!=SQLITE_DONE ){
414 fatal_error("UPDATE failed: %s\n", sqlite3_errmsg(db)); 499 fatal_error("UPDATE failed: %s\n", sqlite3_errmsg(db));
415 } 500 }
416 sqlite3_reset(pUpdate); 501 sqlite3_reset(pUpdate);
417 }else if( rc==SQLITE_DONE ){ 502 }else if( rc==SQLITE_DONE ){
503 sqlite3_bind_text(pInsert, 1, zInput+i, j-i, SQLITE_STATIC);
504 if( sqlite3_step(pInsert)!=SQLITE_DONE ){
505 fatal_error("Insert failed: %s\n", sqlite3_errmsg(db));
506 }
507 sqlite3_reset(pInsert);
508 }else{
509 fatal_error("SELECT failed: %s\n", sqlite3_errmsg(db));
510 }
511 }else if( iMode2==MODE_QUERY ){
512 sqlite3_bind_text(pSelect, 1, zInput+i, j-i, SQLITE_STATIC);
513 if( sqlite3_step(pSelect)==SQLITE_ROW ){
514 sumCnt += sqlite3_column_int64(pSelect, 0);
515 }
516 sqlite3_reset(pSelect);
517 }else{
418 sqlite3_bind_text(pInsert, 1, zInput+i, j-i, SQLITE_STATIC); 518 sqlite3_bind_text(pInsert, 1, zInput+i, j-i, SQLITE_STATIC);
419 if( sqlite3_step(pInsert)!=SQLITE_DONE ){ 519 if( sqlite3_step(pInsert)!=SQLITE_DONE ){
420 fatal_error("Insert failed: %s\n", sqlite3_errmsg(db)); 520 fatal_error("INSERT failed: %s\n", sqlite3_errmsg(db));
421 } 521 }
422 sqlite3_reset(pInsert); 522 sqlite3_reset(pInsert);
423 }else{ 523 if( iMode2==MODE_UPDATE
424 fatal_error("SELECT failed: %s\n", sqlite3_errmsg(db)); 524 || (iMode2==MODE_INSERT && sqlite3_changes(db)==0)
525 ){
526 sqlite3_bind_text(pUpdate, 1, zInput+i, j-i, SQLITE_STATIC);
527 if( sqlite3_step(pUpdate)!=SQLITE_DONE ){
528 fatal_error("UPDATE failed: %s\n", sqlite3_errmsg(db));
529 }
530 sqlite3_reset(pUpdate);
531 }
425 } 532 }
426 }else if( iMode==MODE_QUERY ){ 533 i = j-1;
427 sqlite3_bind_text(pSelect, 1, zInput+i, j-i, SQLITE_STATIC); 534
428 if( sqlite3_step(pSelect)==SQLITE_ROW ){ 535 /* Increment the operation counter. Do a COMMIT if it is time. */
429 sumCnt += sqlite3_column_int64(pSelect, 0); 536 nOp++;
537 if( commitInterval>0 && (nOp%commitInterval)==0 ){
538 sqlite3_exec(db, "COMMIT; BEGIN IMMEDIATE", 0, 0, 0);
430 } 539 }
431 sqlite3_reset(pSelect); 540 }
541 }
542 sqlite3_exec(db, "COMMIT", 0, 0, 0);
543 sqlite3_finalize(pInsert); pInsert = 0;
544 sqlite3_finalize(pUpdate); pUpdate = 0;
545 sqlite3_finalize(pSelect); pSelect = 0;
546 sqlite3_finalize(pDelete); pDelete = 0;
547
548 if( iMode2==MODE_QUERY && iMode!=MODE_ALL ){
549 printf("%s sum of cnt: %lld\n", zTag, sumCnt);
550 rc = sqlite3_prepare_v2(db,"SELECT sum(cnt*cnt) FROM wordcount", -1,
551 &pSelect, 0);
552 if( rc==SQLITE_OK && sqlite3_step(pSelect)==SQLITE_ROW ){
553 printf("%s double-check: %lld\n", zTag,sqlite3_column_int64(pSelect,0));
554 }
555 sqlite3_finalize(pSelect);
556 }
557
558
559 if( showTimer ){
560 sqlite3_int64 elapseTime = realTime() - startTime;
561 totalTime += elapseTime;
562 fprintf(pTimer, "%3d.%03d wordcount", (int)(elapseTime/1000),
563 (int)(elapseTime%1000));
564 if( iMode==MODE_ALL ){
565 fprintf(pTimer, " %s%s\n", azMode[iMode2],
566 useWithoutRowid? " --without-rowid" : "");
432 }else{ 567 }else{
433 sqlite3_bind_text(pInsert, 1, zInput+i, j-i, SQLITE_STATIC); 568 for(i=1; i<argc; i++) if( i!=showTimer ) fprintf(pTimer," %s",argv[i]);
434 if( sqlite3_step(pInsert)!=SQLITE_DONE ){ 569 fprintf(pTimer, "\n");
435 fatal_error("INSERT failed: %s\n", sqlite3_errmsg(db)); 570 }
436 } 571 }
437 sqlite3_reset(pInsert); 572
438 if( iMode==MODE_UPDATE 573 if( showSummary ){
439 || (iMode==MODE_INSERT && sqlite3_changes(db)==0) 574 sqlite3_create_function(db, "checksum", -1, SQLITE_UTF8, 0,
440 ){ 575 0, checksumStep, checksumFinalize);
441 sqlite3_bind_text(pUpdate, 1, zInput+i, j-i, SQLITE_STATIC); 576 sqlite3_exec(db,
442 if( sqlite3_step(pUpdate)!=SQLITE_DONE ){ 577 "SELECT 'count(*): ', count(*) FROM wordcount;\n"
443 fatal_error("UPDATE failed: %s\n", sqlite3_errmsg(db)); 578 "SELECT 'sum(cnt): ', sum(cnt) FROM wordcount;\n"
444 } 579 "SELECT 'max(cnt): ', max(cnt) FROM wordcount;\n"
445 sqlite3_reset(pUpdate); 580 "SELECT 'avg(cnt): ', avg(cnt) FROM wordcount;\n"
446 } 581 "SELECT 'sum(cnt=1):', sum(cnt=1) FROM wordcount;\n"
447 } 582 "SELECT 'top 10: ', group_concat(word, ', ') FROM "
448 i = j-1; 583 "(SELECT word FROM wordcount ORDER BY cnt DESC, word LIMIT 10);\n"
449 584 "SELECT 'checksum: ', checksum(word, cnt) FROM "
450 /* Increment the operation counter. Do a COMMIT if it is time. */ 585 "(SELECT word, cnt FROM wordcount ORDER BY word);\n"
451 nOp++; 586 "PRAGMA integrity_check;\n",
452 if( commitInterval>0 && (nOp%commitInterval)==0 ){ 587 printResult, 0, 0);
453 sqlite3_exec(db, "COMMIT; BEGIN IMMEDIATE", 0, 0, 0); 588 }
454 } 589 } /* End the --all loop */
455 } 590
591 /* Close the input file after the last read */
592 if( zFileToRead ) fclose(in);
593
594 /* In --all mode, so the total time */
595 if( iMode==MODE_ALL && showTimer ){
596 fprintf(pTimer, "%3d.%03d wordcount --all\n", (int)(totalTime/1000),
597 (int)(totalTime%1000));
456 } 598 }
457 sqlite3_exec(db, "COMMIT", 0, 0, 0); 599
458 if( zFileToRead ) fclose(in);
459 sqlite3_finalize(pInsert);
460 sqlite3_finalize(pUpdate);
461 sqlite3_finalize(pSelect);
462 sqlite3_finalize(pDelete);
463
464 if( iMode==MODE_QUERY ){
465 printf("sum of cnt: %lld\n", sumCnt);
466 rc = sqlite3_prepare_v2(db,"SELECT sum(cnt*cnt) FROM wordcount", -1,
467 &pSelect, 0);
468 if( rc==SQLITE_OK && sqlite3_step(pSelect)==SQLITE_ROW ){
469 printf("double-check: %lld\n", sqlite3_column_int64(pSelect, 0));
470 }
471 sqlite3_finalize(pSelect);
472 }
473
474
475 if( showTimer ){
476 sqlite3_int64 elapseTime = realTime() - startTime;
477 fprintf(stderr, "%3d.%03d wordcount", (int)(elapseTime/1000),
478 (int)(elapseTime%1000));
479 for(i=1; i<argc; i++) if( i!=showTimer ) fprintf(stderr, " %s", argv[i]);
480 fprintf(stderr, "\n");
481 }
482
483 if( showSummary ){
484 sqlite3_create_function(db, "checksum", -1, SQLITE_UTF8, 0,
485 0, checksumStep, checksumFinalize);
486 sqlite3_exec(db,
487 "SELECT 'count(*): ', count(*) FROM wordcount;\n"
488 "SELECT 'sum(cnt): ', sum(cnt) FROM wordcount;\n"
489 "SELECT 'max(cnt): ', max(cnt) FROM wordcount;\n"
490 "SELECT 'avg(cnt): ', avg(cnt) FROM wordcount;\n"
491 "SELECT 'sum(cnt=1):', sum(cnt=1) FROM wordcount;\n"
492 "SELECT 'top 10: ', group_concat(word, ', ') FROM "
493 "(SELECT word FROM wordcount ORDER BY cnt DESC, word LIMIT 10);\n"
494 "SELECT 'checksum: ', checksum(word, cnt) FROM "
495 "(SELECT word, cnt FROM wordcount ORDER BY word);\n"
496 "PRAGMA integrity_check;\n",
497 printResult, 0, 0);
498 }
499
500 /* Database connection statistics printed after both prepared statements 600 /* Database connection statistics printed after both prepared statements
501 ** have been finalized */ 601 ** have been finalized */
502 if( showStats ){ 602 if( showStats ){
503 sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_USED, &iCur, &iHiwtr, 0); 603 sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_USED, &iCur, &iHiwtr, 0);
504 printf("-- Lookaside Slots Used: %d (max %d)\n", iCur,iHiwtr); 604 printf("%s Lookaside Slots Used: %d (max %d)\n", zTag, iCur,iHiwtr);
505 sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_HIT, &iCur, &iHiwtr, 0); 605 sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_HIT, &iCur, &iHiwtr, 0);
506 printf("-- Successful lookasides: %d\n", iHiwtr); 606 printf("%s Successful lookasides: %d\n", zTag, iHiwtr);
507 sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE, &iCur,&iHiwtr,0); 607 sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE, &iCur,&iHiwtr,0);
508 printf("-- Lookaside size faults: %d\n", iHiwtr); 608 printf("%s Lookaside size faults: %d\n", zTag, iHiwtr);
509 sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_FULL, &iCur,&iHiwtr,0); 609 sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_FULL, &iCur,&iHiwtr,0);
510 printf("-- Lookaside OOM faults: %d\n", iHiwtr); 610 printf("%s Lookaside OOM faults: %d\n", zTag, iHiwtr);
511 sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_USED, &iCur, &iHiwtr, 0); 611 sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_USED, &iCur, &iHiwtr, 0);
512 printf("-- Pager Heap Usage: %d bytes\n", iCur); 612 printf("%s Pager Heap Usage: %d bytes\n", zTag, iCur);
513 sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_HIT, &iCur, &iHiwtr, 1); 613 sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_HIT, &iCur, &iHiwtr, 1);
514 printf("-- Page cache hits: %d\n", iCur); 614 printf("%s Page cache hits: %d\n", zTag, iCur);
515 sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_MISS, &iCur, &iHiwtr, 1); 615 sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_MISS, &iCur, &iHiwtr, 1);
516 printf("-- Page cache misses: %d\n", iCur); 616 printf("%s Page cache misses: %d\n", zTag, iCur);
517 sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_WRITE, &iCur, &iHiwtr, 1); 617 sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_WRITE, &iCur, &iHiwtr, 1);
518 printf("-- Page cache writes: %d\n", iCur); 618 printf("%s Page cache writes: %d\n", zTag, iCur);
519 sqlite3_db_status(db, SQLITE_DBSTATUS_SCHEMA_USED, &iCur, &iHiwtr, 0); 619 sqlite3_db_status(db, SQLITE_DBSTATUS_SCHEMA_USED, &iCur, &iHiwtr, 0);
520 printf("-- Schema Heap Usage: %d bytes\n", iCur); 620 printf("%s Schema Heap Usage: %d bytes\n", zTag, iCur);
521 sqlite3_db_status(db, SQLITE_DBSTATUS_STMT_USED, &iCur, &iHiwtr, 0); 621 sqlite3_db_status(db, SQLITE_DBSTATUS_STMT_USED, &iCur, &iHiwtr, 0);
522 printf("-- Statement Heap Usage: %d bytes\n", iCur); 622 printf("%s Statement Heap Usage: %d bytes\n", zTag, iCur);
523 } 623 }
524 624
525 sqlite3_close(db); 625 sqlite3_close(db);
526 626
527 /* Global memory usage statistics printed after the database connection 627 /* Global memory usage statistics printed after the database connection
528 ** has closed. Memory usage should be zero at this point. */ 628 ** has closed. Memory usage should be zero at this point. */
529 if( showStats ){ 629 if( showStats ){
530 sqlite3_status(SQLITE_STATUS_MEMORY_USED, &iCur, &iHiwtr, 0); 630 sqlite3_status(SQLITE_STATUS_MEMORY_USED, &iCur, &iHiwtr, 0);
531 printf("-- Memory Used (bytes): %d (max %d)\n", iCur,iHiwtr); 631 printf("%s Memory Used (bytes): %d (max %d)\n", zTag,iCur,iHiwtr);
532 sqlite3_status(SQLITE_STATUS_MALLOC_COUNT, &iCur, &iHiwtr, 0); 632 sqlite3_status(SQLITE_STATUS_MALLOC_COUNT, &iCur, &iHiwtr, 0);
533 printf("-- Outstanding Allocations: %d (max %d)\n", iCur,iHiwtr); 633 printf("%s Outstanding Allocations: %d (max %d)\n",zTag,iCur,iHiwtr);
534 sqlite3_status(SQLITE_STATUS_PAGECACHE_OVERFLOW, &iCur, &iHiwtr, 0); 634 sqlite3_status(SQLITE_STATUS_PAGECACHE_OVERFLOW, &iCur, &iHiwtr, 0);
535 printf("-- Pcache Overflow Bytes: %d (max %d)\n", iCur,iHiwtr); 635 printf("%s Pcache Overflow Bytes: %d (max %d)\n",zTag,iCur,iHiwtr);
536 sqlite3_status(SQLITE_STATUS_SCRATCH_OVERFLOW, &iCur, &iHiwtr, 0); 636 sqlite3_status(SQLITE_STATUS_SCRATCH_OVERFLOW, &iCur, &iHiwtr, 0);
537 printf("-- Scratch Overflow Bytes: %d (max %d)\n", iCur,iHiwtr); 637 printf("%s Scratch Overflow Bytes: %d (max %d)\n",zTag,iCur,iHiwtr);
538 sqlite3_status(SQLITE_STATUS_MALLOC_SIZE, &iCur, &iHiwtr, 0); 638 sqlite3_status(SQLITE_STATUS_MALLOC_SIZE, &iCur, &iHiwtr, 0);
539 printf("-- Largest Allocation: %d bytes\n",iHiwtr); 639 printf("%s Largest Allocation: %d bytes\n",zTag,iHiwtr);
540 sqlite3_status(SQLITE_STATUS_PAGECACHE_SIZE, &iCur, &iHiwtr, 0); 640 sqlite3_status(SQLITE_STATUS_PAGECACHE_SIZE, &iCur, &iHiwtr, 0);
541 printf("-- Largest Pcache Allocation: %d bytes\n",iHiwtr); 641 printf("%s Largest Pcache Allocation: %d bytes\n",zTag,iHiwtr);
542 sqlite3_status(SQLITE_STATUS_SCRATCH_SIZE, &iCur, &iHiwtr, 0); 642 sqlite3_status(SQLITE_STATUS_SCRATCH_SIZE, &iCur, &iHiwtr, 0);
543 printf("-- Largest Scratch Allocation: %d bytes\n", iHiwtr); 643 printf("%s Largest Scratch Allocation: %d bytes\n",zTag,iHiwtr);
544 } 644 }
545 return 0; 645 return 0;
546 } 646 }
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