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Overview
| Comment: | The sqlite3_overload_function() interface returns an error if it is unable to create the overload function. Ticket [20f9d4fbbff3a3] |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
d5b6b374c5225d21c386fb3d6507d393 |
| User & Date: | drh 2011-10-12 23:49:49 |
Context
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2011-10-13
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| 00:11 | Be sure to allocate plenty of space for error messages coming out of sqlite3_load_extension(), so that filenames and procedure names are not truncated. Ticket [7d32c69b50f89d] (check-in: af8bcdd9 user: drh tags: trunk) | |
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2011-10-12
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| 23:49 | The sqlite3_overload_function() interface returns an error if it is unable to create the overload function. Ticket [20f9d4fbbff3a3] (check-in: d5b6b374 user: drh tags: trunk) | |
| 23:13 | The date/time functions return NULL if the xCurrentTime or xCurrentTimeInt64 VFS methods fail. Ticket [0b803bff856c644c] (check-in: c96651dd user: drh tags: trunk) | |
Changes
Changes to src/main.c.
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*/
int sqlite3_overload_function(
sqlite3 *db,
const char *zName,
int nArg
){
int nName = sqlite3Strlen30(zName);
int rc;
sqlite3_mutex_enter(db->mutex);
if( sqlite3FindFunction(db, zName, nName, nArg, SQLITE_UTF8, 0)==0 ){
sqlite3CreateFunc(db, zName, nArg, SQLITE_UTF8,
0, sqlite3InvalidFunction, 0, 0, 0);
}
rc = sqlite3ApiExit(db, SQLITE_OK);
sqlite3_mutex_leave(db->mutex);
return rc;
}
#ifndef SQLITE_OMIT_TRACE
/*
** Register a trace function. The pArg from the previously registered trace
|
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*/
int sqlite3_overload_function(
sqlite3 *db,
const char *zName,
int nArg
){
int nName = sqlite3Strlen30(zName);
int rc = SQLITE_OK;
sqlite3_mutex_enter(db->mutex);
if( sqlite3FindFunction(db, zName, nName, nArg, SQLITE_UTF8, 0)==0 ){
rc = sqlite3CreateFunc(db, zName, nArg, SQLITE_UTF8,
0, sqlite3InvalidFunction, 0, 0, 0);
}
rc = sqlite3ApiExit(db, rc);
sqlite3_mutex_leave(db->mutex);
return rc;
}
#ifndef SQLITE_OMIT_TRACE
/*
** Register a trace function. The pArg from the previously registered trace
|