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Add documentation comment for sqlite3_create_window_function(). And further

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tests.

FossilOrigin-Name: 3f2705b93368f7b0dfd2e03387c3d0b55eddb04940ec83e226e420d8ab10c77f
This commit is contained in:
dan
2018-06-25 20:34:28 +00:00
parent 867be212bc
commit e618dd9b5d
5 changed files with 130 additions and 24 deletions
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84
src/test_window.c
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@@ -219,6 +219,89 @@ static int SQLITE_TCLAPI test_create_window_misuse(
return TCL_ERROR;
}
/*
** xStep for sumint().
*/
static void sumintStep(
sqlite3_context *ctx,
int nArg,
sqlite3_value *apArg[]
){
sqlite3_int64 *pInt;
assert( nArg==1 );
if( sqlite3_value_type(apArg[0])!=SQLITE_INTEGER ){
sqlite3_result_error(ctx, "invalid argument", -1);
return;
}
pInt = (sqlite3_int64*)sqlite3_aggregate_context(ctx, sizeof(sqlite3_int64));
if( pInt ){
*pInt += sqlite3_value_int64(apArg[0]);
}
}
/*
** xInverse for sumint().
*/
static void sumintInverse(
sqlite3_context *ctx,
int nArg,
sqlite3_value *apArg[]
){
sqlite3_int64 *pInt;
pInt = (sqlite3_int64*)sqlite3_aggregate_context(ctx, sizeof(sqlite3_int64));
*pInt -= sqlite3_value_int64(apArg[0]);
}
/*
** xFinal for sumint().
*/
static void sumintFinal(sqlite3_context *ctx){
sqlite3_int64 res = 0;
sqlite3_int64 *pInt;
pInt = (sqlite3_int64*)sqlite3_aggregate_context(ctx, 0);
if( pInt ) res = *pInt;
sqlite3_result_int64(ctx, res);
}
/*
** xValue for sumint().
*/
static void sumintValue(sqlite3_context *ctx){
sqlite3_int64 res = 0;
sqlite3_int64 *pInt;
pInt = (sqlite3_int64*)sqlite3_aggregate_context(ctx, 0);
if( pInt ) res = *pInt;
sqlite3_result_int64(ctx, res);
}
static int SQLITE_TCLAPI test_create_sumint(
void * clientData,
Tcl_Interp *interp,
int objc,
Tcl_Obj *CONST objv[]
){
sqlite3 *db;
int rc;
if( objc!=2 ){
Tcl_WrongNumArgs(interp, 1, objv, "DB");
return TCL_ERROR;
}
if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
rc = sqlite3_create_window_function(db, "sumint", 1, SQLITE_UTF8, 0,
sumintStep, sumintFinal, sumintValue, sumintInverse,
0
);
if( rc!=SQLITE_OK ){
Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3ErrName(rc), -1));
return TCL_ERROR;
}
return TCL_OK;
}
int Sqlitetest_window_Init(Tcl_Interp *interp){
static struct {
char *zName;
@@ -227,6 +310,7 @@ int Sqlitetest_window_Init(Tcl_Interp *interp){
} aObjCmd[] = {
{ "sqlite3_create_window_function", test_create_window, 0 },
{ "test_create_window_function_misuse", test_create_window_misuse, 0 },
{ "test_create_sumint", test_create_sumint, 0 },
};
int i;
for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){