// SetFileName sets the directory alias and file name for the BFILE lob.
func (lv *ExternalLobVar) SetFileName(dirAlias, name string) error {
var err error
// create a string for retrieving the value
if err = lv.Verify(); err != nil {
return errgo.Mask(err)
}
nameB := []byte(name)
dirAliasB := []byte(dirAlias)
if CTrace {
ctrace("OCILobSetFilename(conn=%p, lob=%x, dirAlias=%s, dirAliasLen=%d, name=%s, nameLen=%d)",
lv.lobVar.connection.handle, lv.getHandleBytes(),
dirAliasB, len(dirAlias), nameB, len(nameB))
}
lob := lv.getHandle()
if err = lv.lobVar.environment.CheckStatus(
C.OCILobFileSetName(lv.lobVar.environment.handle,
lv.lobVar.environment.errorHandle,
&lob,
(*C.OraText)(&dirAliasB[0]), C.ub2(len(dirAliasB)),
(*C.OraText)(&nameB[0]), C.ub2(len(nameB))),
"LobFileSetName"); err != nil {
return errgo.Mask(err)
}
return nil
}
func (bnd *bndBfile) bind(value Bfile, position int, stmt *Stmt) error {
// DirectoryAlias must be specified to avoid error "ORA-24801: illegal parameter value in OCI lob function"
// Raising a driver error clarifies the user error
if value.DirectoryAlias == "" {
return errNew("DirectoryAlias must be specified when binding a non-null Bfile")
}
// Filename must be specified to avoid error "ORA-24801: illegal parameter value in OCI lob function"
// Raising a driver error clarifies the user error
if value.Filename == "" {
return errNew("Filename must be specified when binding a non-null Bfile")
}
bnd.stmt = stmt
// Allocate lob locator handle
r := C.OCIDescriptorAlloc(
unsafe.Pointer(bnd.stmt.ses.srv.env.ocienv), //CONST dvoid *parenth,
(*unsafe.Pointer)(unsafe.Pointer(&bnd.ociLobLocator)), //dvoid **descpp,
C.OCI_DTYPE_FILE, //ub4 type,
0, //size_t xtramem_sz,
nil) //dvoid **usrmempp);
if r == C.OCI_ERROR {
return bnd.stmt.ses.srv.env.ociError()
} else if r == C.OCI_INVALID_HANDLE {
return errNew("unable to allocate oci lob handle during bind")
}
bnd.cDirectoryAlias = C.CString(value.DirectoryAlias)
bnd.cFilename = C.CString(value.Filename)
r = C.OCILobFileSetName(
bnd.stmt.ses.srv.env.ocienv, //OCIEnv *envhp,
bnd.stmt.ses.srv.env.ocierr, //OCIError *errhp,
&bnd.ociLobLocator, //OCILobLocator **filepp,
(*C.OraText)(unsafe.Pointer(bnd.cDirectoryAlias)), //const OraText *dir_alias,
C.ub2(len(value.DirectoryAlias)), //ub2 d_length,
(*C.OraText)(unsafe.Pointer(bnd.cFilename)), //const OraText *filename,
C.ub2(len(value.Filename))) //ub2 f_length );
if r == C.OCI_ERROR {
return bnd.stmt.ses.srv.env.ociError()
}
r = C.OCIBINDBYPOS(
bnd.stmt.ocistmt, //OCIStmt *stmtp,
(**C.OCIBind)(&bnd.ocibnd), //OCIBind **bindpp,
bnd.stmt.ses.srv.env.ocierr, //OCIError *errhp,
C.ub4(position), //ub4 position,
unsafe.Pointer(&bnd.ociLobLocator), //void *valuep,
C.LENGTH_TYPE(unsafe.Sizeof(bnd.ociLobLocator)), //sb8 value_sz,
C.SQLT_FILE, //ub2 dty,
nil, //void *indp,
nil, //ub2 *alenp,
nil, //ub2 *rcodep,
0, //ub4 maxarr_len,
nil, //ub4 *curelep,
C.OCI_DEFAULT) //ub4 mode );
if r == C.OCI_ERROR {
return bnd.stmt.ses.srv.env.ociError()
}
return nil
}
// SetFileName sets the directory alias and file name for the BFILE lob.
func (lv *ExternalLobVar) SetFileName(dirAlias, name string) error {
var err error
// create a string for retrieving the value
if err = lv.Verify(); err != nil {
return err
}
nameB := []byte(name)
dirAliasB := []byte(dirAlias)
if err = lv.lobVar.environment.CheckStatus(
C.OCILobFileSetName(lv.lobVar.environment.handle,
lv.lobVar.environment.errorHandle,
(**C.OCILobLocator)(unsafe.Pointer(&lv.lobVar.dataBytes[lv.pos*lv.lobVar.size])),
(*C.OraText)(&dirAliasB[0]), C.ub2(len(dirAliasB)),
(*C.OraText)(&nameB[0]), C.ub2(len(nameB))),
"LobFileSetName"); err != nil {
return err
}
return nil
}