database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-08-05 15:55:57 +03:00
Code Activity

Have "DEFAULT CURRENT_TIME" & co. work even if SQLITE_OMIT_DATETIME_FUNCS is defined. (CVS 2083)

Browse Source 
FossilOrigin-Name: f81b9c1c022772378aad32ec45d0027beeb36574
This commit is contained in:
danielk1977
2004-11-09 16:13:33 +00:00
parent 7977a17f06
commit 752e679a1e
5 changed files with 69 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
src/date.c
View File

@@ -16,7 +16,7 @@
** sqlite3RegisterDateTimeFunctions() found at the bottom of the file.
** All other code has file scope.
**
** $Id: date.c,v 1.38 2004/11/09 12:44:38 danielk1977 Exp $
** $Id: date.c,v 1.39 2004/11/09 16:13:33 danielk1977 Exp $
**
** NOTES:
**
@@ -917,6 +917,45 @@ static void ctimestampFunc(
}
#endif /* !defined(SQLITE_OMIT_DATETIME_FUNCS) */
#ifdef SQLITE_OMIT_DATETIME_FUNCS
/*
** If the library is compiled to omit the full-scale date and time
** handling (to get a smaller binary), the following minimal version
** of the functions current_time(), current_date() and current_timestamp()
** are included instead. This is to support column declarations that
** include "DEFAULT CURRENT_TIME" etc.
**
** This function uses the C-library functions time(), localtime_r()
** and strftime(). The format string to pass to strftime() is supplied
** as the user-data for the function.
*/
static void currentTimeFunc(
sqlite3_context *context,
int argc,
sqlite3_value **argv
){
time_t t;
char *zFormat = (char *)sqlite3_user_data(context);
char zBuf[20];
struct tm now;
#ifdef SQLITE_TEST
/* This test variable is located in os_XXX.c */
extern int sqlite3_current_time;
#endif
time(&t);
#ifdef SQLITE_TEST
if( sqlite3_current_time ){
t = sqlite3_current_time;
}
#endif
localtime_r(&t, &now);
strftime(zBuf, 20, zFormat, &now);
sqlite3_result_text(context, zBuf, -1, SQLITE_TRANSIENT);
}
#endif
/*
** This function registered all of the above C functions as SQL
** functions. This should be the only routine in this file with
@@ -944,6 +983,21 @@ void sqlite3RegisterDateTimeFunctions(sqlite3 *db){
sqlite3_create_function(db, aFuncs[i].zName, aFuncs[i].nArg,
SQLITE_UTF8, 0, aFuncs[i].xFunc, 0, 0);
}
#else
static const struct {
char *zName;
char *zFormat;
} aFuncs[] = {
{ "current_time", "%H:%M:%S" },
{ "current_date", "%Y-%m-%d" },
{ "current_timestamp", "%Y-%m-%d %H:%M:%S" }
};
int i;
for(i=0; i<sizeof(aFuncs)/sizeof(aFuncs[0]); i++){
sqlite3_create_function(db, aFuncs[i].zName, 0, SQLITE_UTF8,
aFuncs[i].zFormat, currentTimeFunc, 0, 0);
}
#endif
}