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Overview
Comment: | Setting ".stats 2" in the CLI causes column metadata for each prepared statement to be displayed. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA3-256: |
7fea00fd96a8ab7e65734540edb907b6 |
User & Date: | drh 2018-03-09 16:37:05.324 |
Context
2018-03-09
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21:54 | Enhance the ".ar" command in the CLI so that it is able to update and create ZIP Archives. (check-in: 9404765ef7 user: drh tags: trunk) | |
16:37 | Setting ".stats 2" in the CLI causes column metadata for each prepared statement to be displayed. (check-in: 7fea00fd96 user: drh tags: trunk) | |
15:24 | Simplification to the shell_exec() mechanism in the CLI. (check-in: 72e8f529ac user: drh tags: trunk) | |
Changes
Changes to src/shell.c.in.
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2269 2270 2271 2272 2273 2274 2275 2276 | static int display_stats( sqlite3 *db, /* Database to query */ ShellState *pArg, /* Pointer to ShellState */ int bReset /* True to reset the stats */ ){ int iCur; int iHiwtr; | > > > > > > > > > > > > > > > > > > > > > > > > | | | | | | | | | | | | | | | | | | | < | 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 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 | static int display_stats( sqlite3 *db, /* Database to query */ ShellState *pArg, /* Pointer to ShellState */ int bReset /* True to reset the stats */ ){ int iCur; int iHiwtr; FILE *out; if( pArg==0 || pArg->out==0 ) return 0; out = pArg->out; if( pArg->pStmt && (pArg->statsOn & 2) ){ int nCol, i, x; sqlite3_stmt *pStmt = pArg->pStmt; char z[100]; nCol = sqlite3_column_count(pStmt); raw_printf(out, "%-36s %d\n", "Number of output columns:", nCol); for(i=0; i<nCol; i++){ sqlite3_snprintf(sizeof(z),z,"Column %d %nname:", i, &x); utf8_printf(out, "%-36s %s\n", z, sqlite3_column_name(pStmt,i)); sqlite3_snprintf(30, z+x, "declared type:"); utf8_printf(out, "%-36s %s\n", z, sqlite3_column_decltype(pStmt, i)); #ifdef SQLITE_ENABLE_COLUMN_METADATA sqlite3_snprintf(30, z+x, "database name:"); utf8_printf(out, "%-36s %s\n", z, sqlite3_column_database_name(pStmt,i)); sqlite3_snprintf(30, z+x, "table name:"); utf8_printf(out, "%-36s %s\n", z, sqlite3_column_table_name(pStmt,i)); sqlite3_snprintf(30, z+x, "origin name:"); utf8_printf(out, "%-36s %s\n", z, sqlite3_column_origin_name(pStmt,i)); #endif } } displayStatLine(pArg, "Memory Used:", "%lld (max %lld) bytes", SQLITE_STATUS_MEMORY_USED, bReset); displayStatLine(pArg, "Number of Outstanding Allocations:", "%lld (max %lld)", SQLITE_STATUS_MALLOC_COUNT, bReset); if( pArg->shellFlgs & SHFLG_Pagecache ){ displayStatLine(pArg, "Number of Pcache Pages Used:", "%lld (max %lld) pages", SQLITE_STATUS_PAGECACHE_USED, bReset); } displayStatLine(pArg, "Number of Pcache Overflow Bytes:", "%lld (max %lld) bytes", SQLITE_STATUS_PAGECACHE_OVERFLOW, bReset); displayStatLine(pArg, "Largest Allocation:", "%lld bytes", SQLITE_STATUS_MALLOC_SIZE, bReset); displayStatLine(pArg, "Largest Pcache Allocation:", "%lld bytes", SQLITE_STATUS_PAGECACHE_SIZE, bReset); #ifdef YYTRACKMAXSTACKDEPTH displayStatLine(pArg, "Deepest Parser Stack:", "%lld (max %lld)", SQLITE_STATUS_PARSER_STACK, bReset); #endif if( db ){ if( pArg->shellFlgs & SHFLG_Lookaside ){ iHiwtr = iCur = -1; sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_USED, &iCur, &iHiwtr, bReset); raw_printf(pArg->out, "Lookaside Slots Used: %d (max %d)\n", iCur, iHiwtr); |
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2335 2336 2337 2338 2339 2340 2341 | iCur); iHiwtr = iCur = -1; sqlite3_db_status(db, SQLITE_DBSTATUS_STMT_USED, &iCur, &iHiwtr, bReset); raw_printf(pArg->out, "Statement Heap/Lookaside Usage: %d bytes\n", iCur); } | | > > > > > > | 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 | iCur); iHiwtr = iCur = -1; sqlite3_db_status(db, SQLITE_DBSTATUS_STMT_USED, &iCur, &iHiwtr, bReset); raw_printf(pArg->out, "Statement Heap/Lookaside Usage: %d bytes\n", iCur); } if( pArg->pStmt ){ iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_FULLSCAN_STEP, bReset); raw_printf(pArg->out, "Fullscan Steps: %d\n", iCur); iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_SORT, bReset); raw_printf(pArg->out, "Sort Operations: %d\n", iCur); iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_AUTOINDEX,bReset); raw_printf(pArg->out, "Autoindex Inserts: %d\n", iCur); iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_VM_STEP, bReset); raw_printf(pArg->out, "Virtual Machine Steps: %d\n", iCur); iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_REPREPARE, bReset); raw_printf(pArg->out, "Reprepare operations: %d\n", iCur); iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_RUN, bReset); raw_printf(pArg->out, "Number of times run: %d\n", iCur); iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_MEMUSED, bReset); raw_printf(pArg->out, "Memory used by prepared stmt: %d\n", iCur); } #ifdef __linux__ displayLinuxIoStats(pArg->out); #endif /* Do not remove this machine readable comment: extra-stats-output-here */ |
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