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Overview
Comment: | Update the implementation of ".testctrl" in the command-line shell to use a look-up table rather than a long sequence of if-elses. Shorten source code lines of shell.c to 80 characters or less. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
54bacb95dd6e2d6ac4971391a40484cc |
User & Date: | drh 2011-03-17 16:45:50.769 |
Context
2011-03-18
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21:55 | Add a generation counter to the Schema object and enhance OP_VerifySchema to also check the Schema generation. Fix for ticket [f7b4edece25c99]. (check-in: 36c04dd169 user: drh tags: trunk) | |
12:35 | Merge all the latest trunk enhancements into the sessions branch. (check-in: 94fd5bb6da user: drh tags: sessions) | |
2011-03-17
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16:45 | Update the implementation of ".testctrl" in the command-line shell to use a look-up table rather than a long sequence of if-elses. Shorten source code lines of shell.c to 80 characters or less. (check-in: 54bacb95dd user: drh tags: trunk) | |
01:58 | Comment enhancement to better explain the logic in the "x IS NULL" optimization. (check-in: 869f894798 user: drh tags: trunk) | |
Changes
Changes to src/shell.c.
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2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 | printf("\n"); } } sqlite3_free_table(azResult); }else if( c=='t' && n>=8 && strncmp(azArg[0], "testctrl", n)==0 && nArg>=2 ){ int testctrl = -1; int rc = 0; open_db(p); | > > > > > > > > > > > > > > > > > > > > | < | | > | < < < < < | | < < < < < > > | > | > > > | > | 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 | printf("\n"); } } sqlite3_free_table(azResult); }else if( c=='t' && n>=8 && strncmp(azArg[0], "testctrl", n)==0 && nArg>=2 ){ static const struct { const char *zCtrlName; /* Name of a test-control option */ int ctrlCode; /* Integer code for that option */ } aCtrl[] = { { "prng_save", SQLITE_TESTCTRL_PRNG_SAVE }, { "prng_restore", SQLITE_TESTCTRL_PRNG_RESTORE }, { "prng_reset", SQLITE_TESTCTRL_PRNG_RESET }, { "bitvec_test", SQLITE_TESTCTRL_BITVEC_TEST }, { "fault_install", SQLITE_TESTCTRL_FAULT_INSTALL }, { "benign_malloc_hooks", SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS }, { "pending_byte", SQLITE_TESTCTRL_PENDING_BYTE }, { "assert", SQLITE_TESTCTRL_ASSERT }, { "always", SQLITE_TESTCTRL_ALWAYS }, { "reserve", SQLITE_TESTCTRL_RESERVE }, { "optimizations", SQLITE_TESTCTRL_OPTIMIZATIONS }, { "iskeyword", SQLITE_TESTCTRL_ISKEYWORD }, { "pghdrsz", SQLITE_TESTCTRL_PGHDRSZ }, { "scratchmalloc", SQLITE_TESTCTRL_SCRATCHMALLOC }, }; int testctrl = -1; int rc = 0; int i, n; open_db(p); /* convert testctrl text option to value. allow any unique prefix ** of the option name, or a numerical value. */ n = strlen(azArg[1]); for(i=0; i<sizeof(aCtrl)/sizeof(aCtrl[0]); i++){ if( strncmp(azArg[1], aCtrl[i].zCtrlName, n)==0 ){ if( testctrl<0 ){ testctrl = aCtrl[i].ctrlCode; }else{ fprintf(stderr, "ambiguous option name: \"%s\"\n", azArg[i]); testctrl = -1; break; } } } if( testctrl<0 ) testctrl = atoi(azArg[1]); if( (testctrl<SQLITE_TESTCTRL_FIRST) || (testctrl>SQLITE_TESTCTRL_LAST) ){ fprintf(stderr,"Error: invalid testctrl option: %s\n", azArg[1]); }else{ switch(testctrl){ /* sqlite3_test_control(int, db, int) */ case SQLITE_TESTCTRL_OPTIMIZATIONS: case SQLITE_TESTCTRL_RESERVE: if( nArg==3 ){ int opt = (int)strtol(azArg[2], 0, 0); rc = sqlite3_test_control(testctrl, p->db, opt); printf("%d (0x%08x)\n", rc, rc); } else { fprintf(stderr,"Error: testctrl %s takes a single int option\n", azArg[1]); } break; /* sqlite3_test_control(int) */ case SQLITE_TESTCTRL_PRNG_SAVE: case SQLITE_TESTCTRL_PRNG_RESTORE: case SQLITE_TESTCTRL_PRNG_RESET: |
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2229 2230 2231 2232 2233 2234 2235 | /* sqlite3_test_control(int, uint) */ case SQLITE_TESTCTRL_PENDING_BYTE: if( nArg==3 ){ unsigned int opt = (unsigned int)atoi(azArg[2]); rc = sqlite3_test_control(testctrl, opt); printf("%d (0x%08x)\n", rc, rc); } else { | | > | > | > | > | > > | 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 | /* sqlite3_test_control(int, uint) */ case SQLITE_TESTCTRL_PENDING_BYTE: if( nArg==3 ){ unsigned int opt = (unsigned int)atoi(azArg[2]); rc = sqlite3_test_control(testctrl, opt); printf("%d (0x%08x)\n", rc, rc); } else { fprintf(stderr,"Error: testctrl %s takes a single unsigned" " int option\n", azArg[1]); } break; /* sqlite3_test_control(int, int) */ case SQLITE_TESTCTRL_ASSERT: case SQLITE_TESTCTRL_ALWAYS: if( nArg==3 ){ int opt = atoi(azArg[2]); rc = sqlite3_test_control(testctrl, opt); printf("%d (0x%08x)\n", rc, rc); } else { fprintf(stderr,"Error: testctrl %s takes a single int option\n", azArg[1]); } break; /* sqlite3_test_control(int, char *) */ #ifdef SQLITE_N_KEYWORD case SQLITE_TESTCTRL_ISKEYWORD: if( nArg==3 ){ const char *opt = azArg[2]; rc = sqlite3_test_control(testctrl, opt); printf("%d (0x%08x)\n", rc, rc); } else { fprintf(stderr,"Error: testctrl %s takes a single char * option\n", azArg[1]); } break; #endif case SQLITE_TESTCTRL_BITVEC_TEST: case SQLITE_TESTCTRL_FAULT_INSTALL: case SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS: case SQLITE_TESTCTRL_SCRATCHMALLOC: default: fprintf(stderr,"Error: CLI support for testctrl %s not implemented\n", azArg[1]); break; } } }else if( c=='t' && n>4 && strncmp(azArg[0], "timeout", n)==0 && nArg==2 ){ open_db(p); sqlite3_busy_timeout(p->db, atoi(azArg[1])); }else if( HAS_TIMER && c=='t' && n>=5 && strncmp(azArg[0], "timer", n)==0 && nArg==2 ){ enableTimer = booleanValue(azArg[1]); }else if( c=='w' && strncmp(azArg[0], "width", n)==0 && nArg>1 ){ int j; assert( nArg<=ArraySize(azArg) ); for(j=1; j<nArg && j<ArraySize(p->colWidth); j++){ |
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2461 2462 2463 2464 2465 2466 2467 | } free(zSql); zSql = 0; nSql = 0; } } if( zSql ){ | > | > | 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 | } free(zSql); zSql = 0; nSql = 0; } } if( zSql ){ if( !_all_whitespace(zSql) ){ fprintf(stderr, "Error: incomplete SQL: %s\n", zSql); } free(zSql); } free(zLine); return errCnt; } /* |
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