// Set the value of the variable.
func cursorVarSetValue(v *Variable, pos uint, value interface{}) error {
x, ok := value.(*Cursor)
if !ok {
return fmt.Errorf("requires *Cursor, got %T", value)
}
if uint(len(v.cursors)) <= pos {
return fmt.Errorf("can't set cursor at pos %d in array of %d length",
pos, len(v.cursors))
}
var err error
v.cursors[pos] = x
if !x.isOwned {
if err = x.freeHandle(); err != nil {
return err
}
x.isOwned = true
if err = x.allocateHandle(); err != nil {
return err
}
}
C.cursorVarsetHandle(v.getHandle(pos),
x.handle)
x.statementType = -1
return nil
}
// cursorVarInitialize Initializes the (cursor) variable.
func cursorVarInitialize(v *Variable, cur *Cursor) error {
var tempCursor *Cursor
var err error
var j int
v.connection = cur.connection
v.cursors = make([]*Cursor, v.allocatedElements)
debug("cursorVarInitialize conn=%x ae=%d typ.Name=%s\n", v.connection, v.allocatedElements, v.typ.Name)
for i := uint(0); i < v.allocatedElements; i++ {
tempCursor = v.connection.NewCursor()
if err = tempCursor.allocateHandle(); err != nil {
return err
}
v.cursors[int(i)] = tempCursor
j = int(i * v.typ.size)
C.cursorVarsetHandle(unsafe.Pointer(&v.dataBytes[j]),
tempCursor.handle)
debug("set position %d(%d) in dataBytes to %x [%s]", i, j,
v.dataBytes[j:j+int(v.typ.size)], v.typ.size)
}
return nil
}
