| /* |
| ** 2017 January 31 |
| ** |
| ** The author disclaims copyright to this source code. In place of |
| ** a legal notice, here is a blessing: |
| ** |
| ** May you do good and not evil. |
| ** May you find forgiveness for yourself and forgive others. |
| ** May you share freely, never taking more than you give. |
| ** |
| ************************************************************************* |
| ** This file contains the source code for a standalone program used to |
| ** test the performance of the sessions module. Compile and run: |
| ** |
| ** ./session_speed_test -help |
| ** |
| ** for details. |
| */ |
| |
| #include "sqlite3.h" |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <stddef.h> |
| #include <unistd.h> |
| |
| /************************************************************************* |
| ** Start of generic command line parser. |
| */ |
| #define CMDLINE_BARE 0 |
| #define CMDLINE_INTEGER 1 |
| #define CMDLINE_STRING 2 |
| #define CMDLINE_BOOLEAN 3 |
| |
| typedef struct CmdLineOption CmdLineOption; |
| struct CmdLineOption { |
| const char *zText; /* Name of command line option */ |
| const char *zHelp; /* Help text for option */ |
| int eType; /* One of the CMDLINE_* values */ |
| int iOff; /* Offset of output variable */ |
| }; |
| |
| #define CMDLINE_INT32(x,y,z) {x, y, CMDLINE_INTEGER, z} |
| #define CMDLINE_BOOL(x,y,z) {x, y, CMDLINE_BOOLEAN, z} |
| #define CMDLINE_TEXT(x,y,z) {x, y, CMDLINE_STRING, z} |
| #define CMDLINE_NONE(x,y,z) {x, y, CMDLINE_BARE, z} |
| |
| static void option_requires_argument_error(CmdLineOption *pOpt){ |
| fprintf(stderr, "Option requires a%s argument: %s\n", |
| pOpt->eType==CMDLINE_INTEGER ? "n integer" : |
| pOpt->eType==CMDLINE_STRING ? " string" : " boolean", |
| pOpt->zText |
| ); |
| exit(1); |
| } |
| |
| static void ambiguous_option_error(const char *zArg){ |
| fprintf(stderr, "Option is ambiguous: %s\n", zArg); |
| exit(1); |
| } |
| |
| static void unknown_option_error( |
| const char *zArg, |
| CmdLineOption *aOpt, |
| const char *zHelp |
| ){ |
| int i; |
| fprintf(stderr, "Unknown option: %s\n", zArg); |
| fprintf(stderr, "\nOptions are:\n"); |
| fprintf(stderr, " % -30sEcho command line options\n", "-cmdline:verbose"); |
| for(i=0; aOpt[i].zText; i++){ |
| int eType = aOpt[i].eType; |
| char *zOpt = sqlite3_mprintf("%s %s", aOpt[i].zText, |
| eType==CMDLINE_BARE ? "" : |
| eType==CMDLINE_INTEGER ? "N" : |
| eType==CMDLINE_BOOLEAN ? "BOOLEAN" : "TEXT" |
| ); |
| fprintf(stderr, " % -30s%s\n", zOpt, aOpt[i].zHelp); |
| sqlite3_free(zOpt); |
| } |
| if( zHelp ){ |
| fprintf(stderr, "\n%s\n", zHelp); |
| } |
| exit(1); |
| } |
| |
| static int get_integer_option(CmdLineOption *pOpt, const char *zArg){ |
| int i = 0; |
| int iRet = 0; |
| int bSign = 1; |
| if( zArg[0]=='-' ){ |
| bSign = -1; |
| i = 1; |
| } |
| while( zArg[i] ){ |
| if( zArg[i]<'0' || zArg[i]>'9' ) option_requires_argument_error(pOpt); |
| iRet = iRet*10 + (zArg[i] - '0'); |
| i++; |
| } |
| return (iRet*bSign); |
| } |
| |
| static int get_boolean_option(CmdLineOption *pOpt, const char *zArg){ |
| if( 0==sqlite3_stricmp(zArg, "true") ) return 1; |
| if( 0==sqlite3_stricmp(zArg, "1") ) return 1; |
| if( 0==sqlite3_stricmp(zArg, "0") ) return 0; |
| if( 0==sqlite3_stricmp(zArg, "false") ) return 0; |
| option_requires_argument_error(pOpt); |
| return 0; |
| } |
| |
| static void parse_command_line( |
| int argc, |
| char **argv, |
| int iStart, |
| CmdLineOption *aOpt, |
| void *pStruct, |
| const char *zHelp |
| ){ |
| char *pOut = (char*)pStruct; |
| int bVerbose = 0; |
| int iArg; |
| |
| for(iArg=iStart; iArg<argc; iArg++){ |
| const char *zArg = argv[iArg]; |
| int nArg = strlen(zArg); |
| int nMatch = 0; |
| int iOpt; |
| |
| for(iOpt=0; aOpt[iOpt].zText; iOpt++){ |
| CmdLineOption *pOpt = &aOpt[iOpt]; |
| if( 0==sqlite3_strnicmp(pOpt->zText, zArg, nArg) ){ |
| if( nMatch ){ |
| ambiguous_option_error(zArg); |
| } |
| nMatch++; |
| if( pOpt->eType==CMDLINE_BARE ){ |
| *(int*)(&pOut[pOpt->iOff]) = 1; |
| }else{ |
| iArg++; |
| if( iArg==argc ){ |
| option_requires_argument_error(pOpt); |
| } |
| switch( pOpt->eType ){ |
| case CMDLINE_INTEGER: |
| *(int*)(&pOut[pOpt->iOff]) = get_integer_option(pOpt, argv[iArg]); |
| break; |
| case CMDLINE_STRING: |
| *(const char**)(&pOut[pOpt->iOff]) = argv[iArg]; |
| break; |
| case CMDLINE_BOOLEAN: |
| *(int*)(&pOut[pOpt->iOff]) = get_boolean_option(pOpt, argv[iArg]); |
| break; |
| } |
| } |
| } |
| } |
| |
| if( nMatch==0 && 0==sqlite3_strnicmp("-cmdline:verbose", zArg, nArg) ){ |
| bVerbose = 1; |
| nMatch = 1; |
| } |
| |
| if( nMatch==0 ){ |
| unknown_option_error(zArg, aOpt, zHelp); |
| } |
| } |
| |
| if( bVerbose ){ |
| int iOpt; |
| fprintf(stdout, "Options are: "); |
| for(iOpt=0; aOpt[iOpt].zText; iOpt++){ |
| CmdLineOption *pOpt = &aOpt[iOpt]; |
| if( pOpt->eType!=CMDLINE_BARE || *(int*)(&pOut[pOpt->iOff]) ){ |
| fprintf(stdout, "%s ", pOpt->zText); |
| } |
| switch( pOpt->eType ){ |
| case CMDLINE_INTEGER: |
| fprintf(stdout, "%d ", *(int*)(&pOut[pOpt->iOff])); |
| break; |
| case CMDLINE_BOOLEAN: |
| fprintf(stdout, "%d ", *(int*)(&pOut[pOpt->iOff])); |
| break; |
| case CMDLINE_STRING: |
| fprintf(stdout, "%s ", *(const char**)(&pOut[pOpt->iOff])); |
| break; |
| } |
| } |
| fprintf(stdout, "\n"); |
| } |
| } |
| /* |
| ** End of generic command line parser. |
| *************************************************************************/ |
| |
| static void abort_due_to_error(int rc){ |
| fprintf(stderr, "Error: %d\n"); |
| exit(-1); |
| } |
| |
| static void execsql(sqlite3 *db, const char *zSql){ |
| int rc = sqlite3_exec(db, zSql, 0, 0, 0); |
| if( rc!=SQLITE_OK ) abort_due_to_error(rc); |
| } |
| |
| static int xConflict(void *pCtx, int eConflict, sqlite3_changeset_iter *p){ |
| return SQLITE_CHANGESET_ABORT; |
| } |
| |
| static void run_test( |
| sqlite3 *db, |
| sqlite3 *db2, |
| int nRow, |
| const char *zSql |
| ){ |
| sqlite3_session *pSession = 0; |
| sqlite3_stmt *pStmt = 0; |
| int rc; |
| int i; |
| int nChangeset; |
| void *pChangeset; |
| |
| /* Attach a session object to database db */ |
| rc = sqlite3session_create(db, "main", &pSession); |
| if( rc!=SQLITE_OK ) abort_due_to_error(rc); |
| |
| /* Configure the session to capture changes on all tables */ |
| rc = sqlite3session_attach(pSession, 0); |
| if( rc!=SQLITE_OK ) abort_due_to_error(rc); |
| |
| /* Prepare the SQL statement */ |
| rc = sqlite3_prepare(db, zSql, -1, &pStmt, 0); |
| if( rc!=SQLITE_OK ) abort_due_to_error(rc); |
| |
| /* Open a transaction */ |
| execsql(db, "BEGIN"); |
| |
| /* Execute the SQL statement nRow times */ |
| for(i=0; i<nRow; i++){ |
| sqlite3_bind_int(pStmt, 1, i); |
| sqlite3_step(pStmt); |
| rc = sqlite3_reset(pStmt); |
| if( rc!=SQLITE_OK ) abort_due_to_error(rc); |
| } |
| sqlite3_finalize(pStmt); |
| |
| /* Extract a changeset from the sessions object */ |
| rc = sqlite3session_changeset(pSession, &nChangeset, &pChangeset); |
| if( rc!=SQLITE_OK ) abort_due_to_error(rc); |
| execsql(db, "COMMIT"); |
| |
| /* Apply the changeset to the second db */ |
| rc = sqlite3changeset_apply(db2, nChangeset, pChangeset, 0, xConflict, 0); |
| if( rc!=SQLITE_OK ) abort_due_to_error(rc); |
| |
| /* Cleanup */ |
| sqlite3_free(pChangeset); |
| sqlite3session_delete(pSession); |
| } |
| |
| int main(int argc, char **argv){ |
| struct Options { |
| int nRow; |
| int bWithoutRowid; |
| int bInteger; |
| int bAll; |
| const char *zDb; |
| }; |
| struct Options o = { 2500, 0, 0, 0, "session_speed_test.db" }; |
| |
| CmdLineOption aOpt[] = { |
| CMDLINE_INT32( "-rows", "number of rows in test", |
| offsetof(struct Options, nRow) ), |
| CMDLINE_BOOL("-without-rowid", "use WITHOUT ROWID tables", |
| offsetof(struct Options, bWithoutRowid) ), |
| CMDLINE_BOOL("-integer", "use integer data (instead of text/blobs)", |
| offsetof(struct Options, bInteger) ), |
| CMDLINE_NONE("-all", "Run all 4 combos of -without-rowid and -integer", |
| offsetof(struct Options, bAll) ), |
| CMDLINE_TEXT("-database", "prefix for database files to use", |
| offsetof(struct Options, zDb) ), |
| {0, 0, 0, 0} |
| }; |
| |
| const char *azCreate[] = { |
| "CREATE TABLE t1(a PRIMARY KEY, b, c, d)", |
| "CREATE TABLE t1(a PRIMARY KEY, b, c, d) WITHOUT ROWID", |
| }; |
| |
| const char *azInsert[] = { |
| "INSERT INTO t1 VALUES(" |
| "printf('%.8d',?), randomblob(50), randomblob(50), randomblob(50))", |
| "INSERT INTO t1 VALUES(?, random(), random(), random())" |
| }; |
| |
| const char *azUpdate[] = { |
| "UPDATE t1 SET d = randomblob(50) WHERE a = printf('%.8d',?)", |
| "UPDATE t1 SET d = random() WHERE a = ?" |
| }; |
| |
| const char *azDelete[] = { |
| "DELETE FROM t1 WHERE a = printf('%.8d',?)", |
| "DELETE FROM t1 WHERE a = ?" |
| }; |
| |
| int rc; |
| sqlite3 *db; |
| sqlite3 *db2; |
| char *zDb2; |
| int bWithoutRowid; |
| int bInteger; |
| |
| parse_command_line(argc, argv, 1, aOpt, (void*)&o, |
| "This program creates two new, empty, databases each containing a single\n" |
| "table. It then does the following:\n\n" |
| " 1. Inserts -rows rows into the first database\n" |
| " 2. Updates each row in the first db\n" |
| " 3. Delete each row from the first db\n\n" |
| "The modifications made by each step are captured in a changeset and\n" |
| "applied to the second database.\n" |
| ); |
| zDb2 = sqlite3_mprintf("%s2", o.zDb); |
| |
| for(bWithoutRowid=0; bWithoutRowid<2; bWithoutRowid++){ |
| for(bInteger=0; bInteger<2; bInteger++){ |
| if( o.bAll || (o.bWithoutRowid==bWithoutRowid && o.bInteger==bInteger) ){ |
| fprintf(stdout, "Testing %s data with %s table\n", |
| bInteger ? "integer" : "blob/text", |
| bWithoutRowid ? "WITHOUT ROWID" : "rowid" |
| ); |
| |
| /* Open new database handles on two empty databases */ |
| unlink(o.zDb); |
| rc = sqlite3_open(o.zDb, &db); |
| if( rc!=SQLITE_OK ) abort_due_to_error(rc); |
| unlink(zDb2); |
| rc = sqlite3_open(zDb2, &db2); |
| if( rc!=SQLITE_OK ) abort_due_to_error(rc); |
| |
| /* Create the schema in both databases. */ |
| execsql(db, azCreate[o.bWithoutRowid]); |
| execsql(db2, azCreate[o.bWithoutRowid]); |
| |
| /* Run the three tests */ |
| run_test(db, db2, o.nRow, azInsert[o.bInteger]); |
| run_test(db, db2, o.nRow, azUpdate[o.bInteger]); |
| run_test(db, db2, o.nRow, azDelete[o.bInteger]); |
| |
| /* Close the db handles */ |
| sqlite3_close(db); |
| sqlite3_close(db2); |
| } |
| } |
| } |
| |
| |
| return 0; |
| } |