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Improvements to the application-defined function mechanism so that it is

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more compact and runs faster, especially when the application defines
thousands of new SQL functions.

FossilOrigin-Name: 3201fbcc5105d23132e6b8b7ac825e66af4f8a39
This commit is contained in:
drh
2016-02-15 00:34:16 +00:00
parent e75a9eb9bb
commit 80738d9c3e
15 changed files with 189 additions and 182 deletions
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10
src/date.c
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@@ -1136,7 +1136,7 @@ static void currentTimeFunc(
** external linkage.
*/
void sqlite3RegisterDateTimeFunctions(void){
static SQLITE_WSD FuncDef aDateTimeFuncs[] = {
static FuncDef aDateTimeFuncs[] = {
#ifndef SQLITE_OMIT_DATETIME_FUNCS
DFUNCTION(julianday, -1, 0, 0, juliandayFunc ),
DFUNCTION(date, -1, 0, 0, dateFunc ),
@@ -1152,11 +1152,5 @@ void sqlite3RegisterDateTimeFunctions(void){
STR_FUNCTION(current_timestamp, 0, "%Y-%m-%d %H:%M:%S", 0, currentTimeFunc),
#endif
};
int i;
FuncDefHash *pHash = &GLOBAL(FuncDefHash, sqlite3GlobalFunctions);
FuncDef *aFunc = (FuncDef*)&GLOBAL(FuncDef, aDateTimeFuncs);
for(i=0; i<ArraySize(aDateTimeFuncs); i++){
sqlite3FuncDefInsert(pHash, &aFunc[i]);
}
sqlite3InsertBuiltinFuncs(aDateTimeFuncs, ArraySize(aDateTimeFuncs));
}