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load extensions using the C API instead of SQL 

This fixes the problem of loading ICU, which needs to replace existing
functions. Replacing existing functions are prohibited when a VM
is running.
This commit is contained in:
Attila Tajti 2015-01-26 16:50:50 +01:00
parent a141177ca6
commit 0486deea0d
1 changed files with 5 additions and 11 deletions
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16
sqlite3.go
View File

@ -287,21 +287,15 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
return nil, errors.New(C.GoString(C.sqlite3_errmsg(db))) return nil, errors.New(C.GoString(C.sqlite3_errmsg(db)))
} }
stmt, err := conn.Prepare("SELECT load_extension(?);")
if err != nil {
return nil, err
}
for _, extension := range d.Extensions { for _, extension := range d.Extensions {
if _, err = stmt.Exec([]driver.Value{extension}); err != nil { cext := C.CString(extension)
return nil, err defer C.free(unsafe.Pointer(cext))
rv = C.sqlite3_load_extension(db, cext, nil, nil)
if rv != C.SQLITE_OK {
return nil, errors.New(C.GoString(C.sqlite3_errmsg(db)))
} }
} }
if err = stmt.Close(); err != nil {
return nil, err
}
rv = C.sqlite3_enable_load_extension(db, 0) rv = C.sqlite3_enable_load_extension(db, 0)
if rv != C.SQLITE_OK { if rv != C.SQLITE_OK {
return nil, errors.New(C.GoString(C.sqlite3_errmsg(db))) return nil, errors.New(C.GoString(C.sqlite3_errmsg(db)))