path: root/tests/sqlite/speedtest1.c

/*
** A program for performance testing.
**
** The available command-line options are described below:
*/
static const char zHelp[] =
  "Usage: %s [--options] DATABASE\n"
  "Options:\n"
  "  --autovacuum        Enable AUTOVACUUM mode\n"
  "  --cachesize N       Set the cache size to N\n" 
  "  --exclusive         Enable locking_mode=EXCLUSIVE\n"
  "  --explain           Like --sqlonly but with added EXPLAIN keywords\n"
  "  --heap SZ MIN       Memory allocator uses SZ bytes & min allocation MIN\n"
  "  --incrvacuum        Enable incremenatal vacuum mode\n"
  "  --journalmode M     Set the journal_mode to MODE\n"
  "  --key KEY           Set the encryption key to KEY\n"
  "  --lookaside N SZ    Configure lookaside for N slots of SZ bytes each\n"
  "  --nosync            Set PRAGMA synchronous=OFF\n"
  "  --notnull           Add NOT NULL constraints to table columns\n"
  "  --pagesize N        Set the page size to N\n"
  "  --pcache N SZ       Configure N pages of pagecache each of size SZ bytes\n"
  "  --primarykey        Use PRIMARY KEY instead of UNIQUE where appropriate\n"
  "  --reprepare         Reprepare each statement upon every invocation\n"
  "  --scratch N SZ      Configure scratch memory for N slots of SZ bytes each\n"
  "  --sqlonly           No-op.  Only show the SQL that would have been run.\n"
  "  --size N            Relative test size.  Default=100\n"
  "  --stats             Show statistics at the end\n"
  "  --testset T         Run test-set T\n"
  "  --trace             Turn on SQL tracing\n"
  "  --utf16be           Set text encoding to UTF-16BE\n"
  "  --utf16le           Set text encoding to UTF-16LE\n"
  "  --verify            Run additional verification steps.\n"
  "  --without-rowid     Use WITHOUT ROWID where appropriate\n"
;


#include "sqlite3.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <ctype.h>

/* All global state is held in this structure */
static struct Global {
  sqlite3 *db;               /* The open database connection */
  sqlite3_stmt *pStmt;       /* Current SQL statement */
  sqlite3_int64 iStart;      /* Start-time for the current test */
  sqlite3_int64 iTotal;      /* Total time */
  int bWithoutRowid;         /* True for --without-rowid */
  int bReprepare;            /* True to reprepare the SQL on each rerun */
  int bSqlOnly;              /* True to print the SQL once only */
  int bExplain;              /* Print SQL with EXPLAIN prefix */
  int bVerify;               /* Try to verify that results are correct */
  int szTest;                /* Scale factor for test iterations */
  const char *zWR;           /* Might be WITHOUT ROWID */
  const char *zNN;           /* Might be NOT NULL */
  const char *zPK;           /* Might be UNIQUE or PRIMARY KEY */
  unsigned int x, y;         /* Pseudo-random n