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Overview
| Comment: | Enhance speedtest1.c so that is works on older versions of SQLite, before the introduction of the group_concat() aggregate function. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
9979ba80a649ee61d9d174dc9d9fcab7 |
| User & Date: | drh 2016-11-21 18:15:35 |
Context
|
2016-11-21
| ||
| 21:33 | Remove unnecessary OP_Close opcodes at the end of INSERT operations, resulting in smaller and faster code. check-in: abeddb6d user: drh tags: trunk | |
| 18:15 | Enhance speedtest1.c so that is works on older versions of SQLite, before the introduction of the group_concat() aggregate function. check-in: 9979ba80 user: drh tags: trunk | |
|
2016-11-20
| ||
| 17:59 | Fix harmless compiler warnings. check-in: b3b7b42d user: drh tags: trunk | |
Changes
Changes to test/speedtest1.c.
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y1 = (y0 + x/y0)/2;
if( y1==y0 ) break;
y0 = y1;
}
return y0;
}
/*
** The main and default testset
*/
void testset_main(void){
int i; /* Loop counter */
int n; /* iteration count */
int sz; /* Size of the tables */
................................................................................
sqlite3_bind_int64(g.pStmt, 1, (sqlite3_int64)x1);
sqlite3_bind_text(g.pStmt, 3, zNum, -1, SQLITE_STATIC);
speedtest1_run();
}
speedtest1_exec("COMMIT");
speedtest1_end_test();
n = 25;
speedtest1_begin_test(130, "%d SELECTS, numeric BETWEEN, unindexed", n);
speedtest1_exec("BEGIN");
speedtest1_prepare(
"SELECT count(*), avg(b), sum(length(c)), group_concat(c) FROM t1\n"
" WHERE b BETWEEN ?1 AND ?2; -- %d times", n
................................................................................
if( i>=argc-1 ) fatal_error("missing argument on %s\n", argv[i]);
zKey = argv[++i];
}else if( strcmp(z,"lookaside")==0 ){
if( i>=argc-2 ) fatal_error("missing arguments on %s\n", argv[i]);
nLook = integerValue(argv[i+1]);
szLook = integerValue(argv[i+2]);
i += 2;
}else if( strcmp(z,"multithread")==0 ){
sqlite3_config(SQLITE_CONFIG_MULTITHREAD);
}else if( strcmp(z,"nomemstat")==0 ){
sqlite3_config(SQLITE_CONFIG_MEMSTATUS, 0);
}else if( strcmp(z,"nosync")==0 ){
noSync = 1;
}else if( strcmp(z,"notnull")==0 ){
g.zNN = "NOT NULL";
#ifdef SQLITE_ENABLE_RBU
}else if( strcmp(z,"rbu")==0 ){
sqlite3ota_create_vfs("rbu", 0);
................................................................................
}else if( strcmp(z,"reprepare")==0 ){
g.bReprepare = 1;
}else if( strcmp(z,"scratch")==0 ){
if( i>=argc-2 ) fatal_error("missing arguments on %s\n", argv[i]);
nScratch = integerValue(argv[i+1]);
szScratch = integerValue(argv[i+2]);
i += 2;
}else if( strcmp(z,"serialized")==0 ){
sqlite3_config(SQLITE_CONFIG_SERIALIZED);
}else if( strcmp(z,"singlethread")==0 ){
sqlite3_config(SQLITE_CONFIG_SINGLETHREAD);
}else if( strcmp(z,"sqlonly")==0 ){
g.bSqlOnly = 1;
}else if( strcmp(z,"shrink-memory")==0 ){
g.bMemShrink = 1;
}else if( strcmp(z,"size")==0 ){
if( i>=argc-1 ) fatal_error("missing argument on %s\n", argv[i]);
g.szTest = integerValue(argv[++i]);
|
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y1 = (y0 + x/y0)/2;
if( y1==y0 ) break;
y0 = y1;
}
return y0;
}
#if SQLITE_VERSION_NUMBER<3005004
/*
** An implementation of group_concat(). Used only when testing older
** versions of SQLite that lack the built-in group_concat().
*/
struct groupConcat {
char *z;
int nAlloc;
int nUsed;
};
static void groupAppend(struct groupConcat *p, const char *z, int n){
if( p->nUsed+n >= p->nAlloc ){
int n2 = (p->nAlloc+n+1)*2;
char *z2 = sqlite3_realloc(p->z, n2);
if( z2==0 ) return;
p->z = z2;
p->nAlloc = n2;
}
memcpy(p->z+p->nUsed, z, n);
p->nUsed += n;
}
static void groupStep(
sqlite3_context *context,
int argc,
sqlite3_value **argv
){
const char *zVal;
struct groupConcat *p;
const char *zSep;
int nVal, nSep;
assert( argc==1 || argc==2 );
if( sqlite3_value_type(argv[0])==SQLITE_NULL ) return;
p= (struct groupConcat*)sqlite3_aggregate_context(context, sizeof(*p));
if( p ){
int firstTerm = p->nUsed==0;
if( !firstTerm ){
if( argc==2 ){
zSep = (char*)sqlite3_value_text(argv[1]);
nSep = sqlite3_value_bytes(argv[1]);
}else{
zSep = ",";
nSep = 1;
}
if( nSep ) groupAppend(p, zSep, nSep);
}
zVal = (char*)sqlite3_value_text(argv[0]);
nVal = sqlite3_value_bytes(argv[0]);
if( zVal ) groupAppend(p, zVal, nVal);
}
}
static void groupFinal(sqlite3_context *context){
struct groupConcat *p;
p = sqlite3_aggregate_context(context, 0);
if( p && p->z ){
p->z[p->nUsed] = 0;
sqlite3_result_text(context, p->z, p->nUsed, sqlite3_free);
}
}
#endif
/*
** The main and default testset
*/
void testset_main(void){
int i; /* Loop counter */
int n; /* iteration count */
int sz; /* Size of the tables */
................................................................................
sqlite3_bind_int64(g.pStmt, 1, (sqlite3_int64)x1);
sqlite3_bind_text(g.pStmt, 3, zNum, -1, SQLITE_STATIC);
speedtest1_run();
}
speedtest1_exec("COMMIT");
speedtest1_end_test();
#if SQLITE_VERSION_NUMBER<3005004
sqlite3_create_function(g.db, "group_concat", 1, SQLITE_UTF8, 0,
0, groupStep, groupFinal);
#endif
n = 25;
speedtest1_begin_test(130, "%d SELECTS, numeric BETWEEN, unindexed", n);
speedtest1_exec("BEGIN");
speedtest1_prepare(
"SELECT count(*), avg(b), sum(length(c)), group_concat(c) FROM t1\n"
" WHERE b BETWEEN ?1 AND ?2; -- %d times", n
................................................................................
if( i>=argc-1 ) fatal_error("missing argument on %s\n", argv[i]);
zKey = argv[++i];
}else if( strcmp(z,"lookaside")==0 ){
if( i>=argc-2 ) fatal_error("missing arguments on %s\n", argv[i]);
nLook = integerValue(argv[i+1]);
szLook = integerValue(argv[i+2]);
i += 2;
#if SQLITE_VERSION_NUMBER>=3006000
}else if( strcmp(z,"multithread")==0 ){
sqlite3_config(SQLITE_CONFIG_MULTITHREAD);
}else if( strcmp(z,"nomemstat")==0 ){
sqlite3_config(SQLITE_CONFIG_MEMSTATUS, 0);
#endif
}else if( strcmp(z,"nosync")==0 ){
noSync = 1;
}else if( strcmp(z,"notnull")==0 ){
g.zNN = "NOT NULL";
#ifdef SQLITE_ENABLE_RBU
}else if( strcmp(z,"rbu")==0 ){
sqlite3ota_create_vfs("rbu", 0);
................................................................................
}else if( strcmp(z,"reprepare")==0 ){
g.bReprepare = 1;
}else if( strcmp(z,"scratch")==0 ){
if( i>=argc-2 ) fatal_error("missing arguments on %s\n", argv[i]);
nScratch = integerValue(argv[i+1]);
szScratch = integerValue(argv[i+2]);
i += 2;
#if SQLITE_VERSION_NUMBER>=3006000
}else if( strcmp(z,"serialized")==0 ){
sqlite3_config(SQLITE_CONFIG_SERIALIZED);
}else if( strcmp(z,"singlethread")==0 ){
sqlite3_config(SQLITE_CONFIG_SINGLETHREAD);
#endif
}else if( strcmp(z,"sqlonly")==0 ){
g.bSqlOnly = 1;
}else if( strcmp(z,"shrink-memory")==0 ){
g.bMemShrink = 1;
}else if( strcmp(z,"size")==0 ){
if( i>=argc-1 ) fatal_error("missing argument on %s\n", argv[i]);
g.szTest = integerValue(argv[++i]);
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