Struct semilattice_database::RelationIndex
source · pub struct RelationIndex { /* private fields */ }Implementations§
source§impl RelationIndex
impl RelationIndex
sourcepub fn new(root_dir: &str) -> Result<Self, Error>
pub fn new(root_dir: &str) -> Result<Self, Error>
Examples found in repository?
src/lib.rs (line 78)
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pub fn new(dir: &str) -> Result<Self, std::io::Error> {
let root_dir = if dir.ends_with("/") || dir.ends_with("\\") {
let mut d = dir.to_string();
d.pop();
d
} else {
dir.to_string()
};
let mut collections_map = HashMap::new();
let mut collections = BTreeMap::new();
let collections_dir = root_dir.to_string() + "/collection/";
if let Ok(dir) = std::fs::read_dir(&collections_dir) {
for d in dir.into_iter() {
let d = d.unwrap();
let dt = d.file_type().unwrap();
if dt.is_dir() {
if let Some(fname) = d.path().file_name() {
if let Some(fname) = fname.to_str() {
let s: Vec<&str> = fname.split("_").collect();
if s.len() > 1 {
if let Some(path) = d.path().to_str() {
if let Ok(collection_id) = s[0].parse::<i32>() {
let name = s[1];
let data =
Collection::new(Data::new(path)?, collection_id, name);
collections_map.insert(name.to_string(), collection_id);
collections.insert(collection_id, data);
}
}
}
}
}
}
}
}
Ok(Self {
root_dir: root_dir.to_string(),
collections,
collections_map,
relation: RelationIndex::new(&root_dir)?,
})
}sourcepub fn insert(
&mut self,
relation_key: &str,
depend: CollectionRow,
pend: CollectionRow
) -> Result<(), Error>
pub fn insert(
&mut self,
relation_key: &str,
depend: CollectionRow,
pend: CollectionRow
) -> Result<(), Error>
Examples found in repository?
src/commit.rs (lines 71-75)
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pub fn commit(
main_database: &mut Database,
session_data: &SessionData,
) -> Result<(), std::io::Error> {
let mut session_collection_row_map: HashMap<u32, CollectionRow> = HashMap::new();
let mut relation: HashMap<u32, Vec<(u32, SessionCollectionRow)>> = HashMap::new();
for row in 1..session_data.relation.rows.session_row.max_rows() {
if let (Some(session_row), Some(depend)) = (
session_data.relation.rows.session_row.value(row),
session_data.relation.rows.depend.value(row),
) {
let m = relation.entry(session_row).or_insert(Vec::new());
m.push((row, depend));
}
}
for session_row in 1..session_data.sequence.max_rows() {
if let (Some(op), Some(collection_id), Some(row)) = (
session_data.operation.value(session_row),
session_data.collection_id.value(session_row),
session_data.row.value(session_row),
) {
if let Some(collection) = main_database.collection_mut(collection_id) {
match op {
SessionOperation::New | SessionOperation::Update => {
let mut fields: Vec<KeyValue> = Vec::new();
for (key, ref field_data) in &session_data.fields {
if let Some(val) = field_data.get(session_row) {
fields.push(KeyValue::new(key, val));
}
}
let activity = if session_data.activity.value(session_row).unwrap() == 1 {
Activity::Active
} else {
Activity::Inactive
};
let term_begin =
Term::Overwrite(session_data.term_begin.value(session_row).unwrap());
let term_end =
Term::Overwrite(session_data.term_end.value(session_row).unwrap());
let row = if row == 0 {
//new
collection.create_row(&activity, &term_begin, &term_end, &fields)
} else {
assert!(row > 0);
let row = row as u32;
collection.update_row(row, &activity, &term_begin, &term_end, &fields);
row
};
let collection_row = CollectionRow::new(collection_id, row);
session_collection_row_map.insert(session_row, collection_row);
if let Some(depend_rows) = relation.get(&session_row) {
for (session_row, depend) in depend_rows {
let key =
session_data.relation.rows.key.value(*session_row).unwrap();
let key = unsafe { session_data.relation.key_names.str(key) };
if depend.row < 0 {
if let Some(depend) =
session_collection_row_map.get(&((-depend.row) as u32))
{
main_database.relation.insert(
key,
*depend,
collection_row,
)?;
}
} else {
main_database.relation.insert(
key,
CollectionRow::new(depend.collection_id, depend.row as u32),
collection_row,
)?;
};
}
}
}
SessionOperation::Delete => {
//todo!("セッション考慮の削除処理");
delete_recursive(
main_database,
&SessionCollectionRow::new(collection_id, row),
);
}
}
}
}
}
Ok(())
}sourcepub fn delete(&mut self, row: u32)
pub fn delete(&mut self, row: u32)
Examples found in repository?
src/commit.rs (line 120)
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pub(super) fn delete_recursive(database: &mut Database, target: &SessionCollectionRow) {
if target.row > 0 {
let depend = CollectionRow::new(target.collection_id, target.row as u32);
let c = database.relation.index_depend().select_by_value(&depend);
for relation_row in c {
if let Some(collection_row) = database.relation.index_pend().value(relation_row) {
delete_recursive(
database,
&SessionCollectionRow::new(
collection_row.collection_id(),
collection_row.row() as i64,
),
);
if let Some(collection) = database.collection_mut(collection_row.collection_id()) {
collection.update(&Operation::Delete {
row: collection_row.row(),
});
}
}
database.relation.delete(relation_row);
}
}
}sourcepub fn pends(&self, key: &str, depend: &CollectionRow) -> Vec<CollectionRow>
pub fn pends(&self, key: &str, depend: &CollectionRow) -> Vec<CollectionRow>
Examples found in repository?
src/search.rs (line 102)
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fn exec_cond(
collection: &Collection,
relation: &RelationIndex,
condtion: &Condition,
tx: Sender<RowSet>,
) {
match condtion {
Condition::Activity(c) => {
VersatileDataSearch::search_exec_cond(
&collection.data,
&VersatileDataCondition::Activity(*c),
tx,
);
}
Condition::Term(c) => {
VersatileDataSearch::search_exec_cond(
&collection.data,
&VersatileDataCondition::Term(c.clone()),
tx,
);
}
Condition::Row(c) => {
VersatileDataSearch::search_exec_cond(
&collection.data,
&VersatileDataCondition::Row(c.clone()),
tx,
);
}
Condition::Uuid(c) => {
VersatileDataSearch::search_exec_cond(
&collection.data,
&VersatileDataCondition::Uuid(c.clone()),
tx,
);
}
Condition::LastUpdated(c) => {
VersatileDataSearch::search_exec_cond(
&collection.data,
&VersatileDataCondition::LastUpdated(c.clone()),
tx,
);
}
Condition::Field(key, condition) => {
VersatileDataSearch::search_exec_cond(
&collection.data,
&VersatileDataCondition::Field(key.to_owned(), condition.clone()),
tx,
);
}
Condition::Depend(depend) => {
let rel = relation.pends(depend.key(), depend.collection_row());
let collection_id = collection.id();
std::thread::spawn(move || {
let mut tmp = RowSet::default();
for r in rel {
if r.collection_id() == collection_id {
tmp.insert(r.row());
}
}
let tx = tx.clone();
tx.send(tmp).unwrap();
});
}
Condition::Narrow(conditions) => {
let (tx_inner, rx) = std::sync::mpsc::channel();
for c in conditions {
let tx_inner = tx_inner.clone();
Self::exec_cond(collection, relation, c, tx_inner);
}
drop(tx_inner);
std::thread::spawn(move || {
let mut is_1st = true;
let mut tmp = RowSet::default();
for mut rs in rx {
if is_1st {
tmp = rs;
is_1st = false;
} else {
tmp = tmp.intersection(&mut rs).map(|&x| x).collect();
}
}
tx.send(tmp).unwrap();
});
}
Condition::Wide(conditions) => {
let (tx_inner, rx) = std::sync::mpsc::channel();
for c in conditions {
let tx_inner = tx_inner.clone();
Self::exec_cond(collection, relation, c, tx_inner);
}
drop(tx_inner);
std::thread::spawn(move || {
let mut tmp = RowSet::default();
for ref mut rs in rx {
tmp.append(rs);
}
tx.send(tmp).unwrap();
});
}
}
}sourcepub fn depends(
&self,
key: Option<&str>,
pend: &CollectionRow
) -> Vec<SessionDepend>
pub fn depends(
&self,
key: Option<&str>,
pend: &CollectionRow
) -> Vec<SessionDepend>
Examples found in repository?
src/lib.rs (lines 226-229)
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pub fn depends(
&self,
key: Option<&str>,
pend_collection_id: i32,
pend_row: i64,
session: Option<&Session>,
) -> Vec<SessionDepend> {
let mut r: Vec<SessionDepend> = vec![];
if pend_row > 0 {
let depends = self.relation.depends(
key,
&CollectionRow::new(pend_collection_id, pend_row as u32),
);
for i in depends {
r.push(i.into());
}
} else {
if let Some(session) = session {
if let Some(session_depends) = session.depends(key, (-pend_row) as u32) {
r = session_depends;
}
}
}
r
}sourcepub fn index_depend(&self) -> &IdxSized<CollectionRow>
pub fn index_depend(&self) -> &IdxSized<CollectionRow>
Examples found in repository?
src/commit.rs (line 104)
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pub(super) fn delete_recursive(database: &mut Database, target: &SessionCollectionRow) {
if target.row > 0 {
let depend = CollectionRow::new(target.collection_id, target.row as u32);
let c = database.relation.index_depend().select_by_value(&depend);
for relation_row in c {
if let Some(collection_row) = database.relation.index_pend().value(relation_row) {
delete_recursive(
database,
&SessionCollectionRow::new(
collection_row.collection_id(),
collection_row.row() as i64,
),
);
if let Some(collection) = database.collection_mut(collection_row.collection_id()) {
collection.update(&Operation::Delete {
row: collection_row.row(),
});
}
}
database.relation.delete(relation_row);
}
}
}sourcepub fn index_pend(&self) -> &IdxSized<CollectionRow>
pub fn index_pend(&self) -> &IdxSized<CollectionRow>
Examples found in repository?
src/commit.rs (line 106)
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pub(super) fn delete_recursive(database: &mut Database, target: &SessionCollectionRow) {
if target.row > 0 {
let depend = CollectionRow::new(target.collection_id, target.row as u32);
let c = database.relation.index_depend().select_by_value(&depend);
for relation_row in c {
if let Some(collection_row) = database.relation.index_pend().value(relation_row) {
delete_recursive(
database,
&SessionCollectionRow::new(
collection_row.collection_id(),
collection_row.row() as i64,
),
);
if let Some(collection) = database.collection_mut(collection_row.collection_id()) {
collection.update(&Operation::Delete {
row: collection_row.row(),
});
}
}
database.relation.delete(relation_row);
}
}
}More examples
src/update.rs (line 223)
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pub(super) fn update_recursive(
master_database: &Database,
session_data: &mut SessionData,
temporary_data: &mut TemporaryData,
session_dir: &str,
sequence_number: usize,
records: &Vec<Record>,
depend_by_pend: Option<(&str, u32)>,
) -> Result<(), std::io::Error> {
for record in records {
if let Ok(session_row) = session_data.sequence.insert(sequence_number) {
session_data.row.resize_to(session_row)?;
session_data.operation.resize_to(session_row)?;
session_data.activity.resize_to(session_row)?;
session_data.term_begin.resize_to(session_row)?;
session_data.term_end.resize_to(session_row)?;
match record {
Record::New {
collection_id,
activity,
term_begin,
term_end,
fields,
depends,
pends,
} => {
let collection_id = *collection_id;
let virtual_row = -(session_row as i64);
let term_begin = if let Term::Overwrite(term_begin) = term_begin {
*term_begin
} else {
chrono::Local::now().timestamp()
};
let term_end = if let Term::Overwrite(term_end) = term_end {
*term_end
} else {
0
};
let col = temporary_data
.entry(collection_id)
.or_insert(HashMap::new());
let mut tmp_fields = HashMap::new();
for kv in fields {
tmp_fields.insert(kv.key().to_string(), kv.value().to_vec());
}
col.insert(
virtual_row,
TemporaryDataEntity {
activity: *activity,
term_begin,
term_end,
fields: tmp_fields,
},
);
session_data
.collection_id
.update(session_row, collection_id)?;
session_data
.operation
.update(session_row, SessionOperation::New)?;
update_row(
session_dir,
session_data,
session_row,
0,
activity,
term_begin,
term_end,
fields,
);
if let Depends::Overwrite(depends) = depends {
for (key, depend) in depends {
session_data.relation.insert(key, session_row, *depend);
}
}
if let Some((key, depend_session_row)) = depend_by_pend {
incidentally_depend(session_data, session_row, key, depend_session_row);
}
for pend in pends {
update_recursive(
master_database,
session_data,
temporary_data,
session_dir,
sequence_number,
pend.records(),
Some((pend.key(), session_row)),
)?;
}
}
Record::Update {
collection_id,
row, //-の場合はセッション新規データの更新
activity,
term_begin,
term_end,
fields,
depends,
pends,
} => {
let collection_id = *collection_id;
let row = *row;
let term_begin = if let Term::Overwrite(term_begin) = term_begin {
*term_begin
} else {
chrono::Local::now().timestamp()
};
let term_end = if let Term::Overwrite(term_end) = term_end {
*term_end
} else {
0
};
let col = temporary_data
.entry(collection_id)
.or_insert(HashMap::new());
let entity = col.entry(row).or_insert(TemporaryDataEntity {
activity: *activity,
term_begin,
term_end,
fields: HashMap::new(),
});
for kv in fields {
entity.fields.insert(kv.key().into(), kv.value().into());
}
session_data
.collection_id
.update(session_row, collection_id)?;
session_data
.operation
.update(session_row, SessionOperation::Update)?;
update_row(
session_dir,
session_data,
session_row,
row,
activity,
term_begin,
term_end,
fields,
);
match depends {
Depends::Default => {
if row > 0 {
let depends =
master_database.relation().index_pend().select_by_value(
&CollectionRow::new(collection_id, row as u32),
);
for i in depends {
if let Some(depend) =
master_database.relation().depend(i as u32)
{
session_data.relation.insert(
unsafe { master_database.relation().key(i as u32) },
session_row,
SessionCollectionRow::new(
depend.collection_id(),
depend.row() as i64,
),
);
}
}
} else {
session_data
.relation
.from_session_row((-row) as u32, session_row);
}
}
Depends::Overwrite(depends) => {
for (key, depend) in depends {
session_data.relation.insert(key, session_row, *depend);
}
}
}
if let Some((key, depend_session_row)) = depend_by_pend {
incidentally_depend(session_data, session_row, key, depend_session_row);
}
for pend in pends {
update_recursive(
master_database,
session_data,
temporary_data,
session_dir,
sequence_number,
pend.records(),
Some((pend.key(), session_row)),
)?;
}
}
Record::Delete { collection_id, row } => {
session_data
.collection_id
.update(session_row, *collection_id)?;
session_data.row.update(session_row, *row as i64)?;
session_data
.operation
.update(session_row, SessionOperation::Delete)?;
}
}
}
}
Ok(())
}sourcepub fn depend(&self, row: u32) -> Option<CollectionRow>
pub fn depend(&self, row: u32) -> Option<CollectionRow>
Examples found in repository?
src/update.rs (line 228)
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pub(super) fn update_recursive(
master_database: &Database,
session_data: &mut SessionData,
temporary_data: &mut TemporaryData,
session_dir: &str,
sequence_number: usize,
records: &Vec<Record>,
depend_by_pend: Option<(&str, u32)>,
) -> Result<(), std::io::Error> {
for record in records {
if let Ok(session_row) = session_data.sequence.insert(sequence_number) {
session_data.row.resize_to(session_row)?;
session_data.operation.resize_to(session_row)?;
session_data.activity.resize_to(session_row)?;
session_data.term_begin.resize_to(session_row)?;
session_data.term_end.resize_to(session_row)?;
match record {
Record::New {
collection_id,
activity,
term_begin,
term_end,
fields,
depends,
pends,
} => {
let collection_id = *collection_id;
let virtual_row = -(session_row as i64);
let term_begin = if let Term::Overwrite(term_begin) = term_begin {
*term_begin
} else {
chrono::Local::now().timestamp()
};
let term_end = if let Term::Overwrite(term_end) = term_end {
*term_end
} else {
0
};
let col = temporary_data
.entry(collection_id)
.or_insert(HashMap::new());
let mut tmp_fields = HashMap::new();
for kv in fields {
tmp_fields.insert(kv.key().to_string(), kv.value().to_vec());
}
col.insert(
virtual_row,
TemporaryDataEntity {
activity: *activity,
term_begin,
term_end,
fields: tmp_fields,
},
);
session_data
.collection_id
.update(session_row, collection_id)?;
session_data
.operation
.update(session_row, SessionOperation::New)?;
update_row(
session_dir,
session_data,
session_row,
0,
activity,
term_begin,
term_end,
fields,
);
if let Depends::Overwrite(depends) = depends {
for (key, depend) in depends {
session_data.relation.insert(key, session_row, *depend);
}
}
if let Some((key, depend_session_row)) = depend_by_pend {
incidentally_depend(session_data, session_row, key, depend_session_row);
}
for pend in pends {
update_recursive(
master_database,
session_data,
temporary_data,
session_dir,
sequence_number,
pend.records(),
Some((pend.key(), session_row)),
)?;
}
}
Record::Update {
collection_id,
row, //-の場合はセッション新規データの更新
activity,
term_begin,
term_end,
fields,
depends,
pends,
} => {
let collection_id = *collection_id;
let row = *row;
let term_begin = if let Term::Overwrite(term_begin) = term_begin {
*term_begin
} else {
chrono::Local::now().timestamp()
};
let term_end = if let Term::Overwrite(term_end) = term_end {
*term_end
} else {
0
};
let col = temporary_data
.entry(collection_id)
.or_insert(HashMap::new());
let entity = col.entry(row).or_insert(TemporaryDataEntity {
activity: *activity,
term_begin,
term_end,
fields: HashMap::new(),
});
for kv in fields {
entity.fields.insert(kv.key().into(), kv.value().into());
}
session_data
.collection_id
.update(session_row, collection_id)?;
session_data
.operation
.update(session_row, SessionOperation::Update)?;
update_row(
session_dir,
session_data,
session_row,
row,
activity,
term_begin,
term_end,
fields,
);
match depends {
Depends::Default => {
if row > 0 {
let depends =
master_database.relation().index_pend().select_by_value(
&CollectionRow::new(collection_id, row as u32),
);
for i in depends {
if let Some(depend) =
master_database.relation().depend(i as u32)
{
session_data.relation.insert(
unsafe { master_database.relation().key(i as u32) },
session_row,
SessionCollectionRow::new(
depend.collection_id(),
depend.row() as i64,
),
);
}
}
} else {
session_data
.relation
.from_session_row((-row) as u32, session_row);
}
}
Depends::Overwrite(depends) => {
for (key, depend) in depends {
session_data.relation.insert(key, session_row, *depend);
}
}
}
if let Some((key, depend_session_row)) = depend_by_pend {
incidentally_depend(session_data, session_row, key, depend_session_row);
}
for pend in pends {
update_recursive(
master_database,
session_data,
temporary_data,
session_dir,
sequence_number,
pend.records(),
Some((pend.key(), session_row)),
)?;
}
}
Record::Delete { collection_id, row } => {
session_data
.collection_id
.update(session_row, *collection_id)?;
session_data.row.update(session_row, *row as i64)?;
session_data
.operation
.update(session_row, SessionOperation::Delete)?;
}
}
}
}
Ok(())
}sourcepub unsafe fn key(&self, row: u32) -> &str
pub unsafe fn key(&self, row: u32) -> &str
Examples found in repository?
src/update.rs (line 231)
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pub(super) fn update_recursive(
master_database: &Database,
session_data: &mut SessionData,
temporary_data: &mut TemporaryData,
session_dir: &str,
sequence_number: usize,
records: &Vec<Record>,
depend_by_pend: Option<(&str, u32)>,
) -> Result<(), std::io::Error> {
for record in records {
if let Ok(session_row) = session_data.sequence.insert(sequence_number) {
session_data.row.resize_to(session_row)?;
session_data.operation.resize_to(session_row)?;
session_data.activity.resize_to(session_row)?;
session_data.term_begin.resize_to(session_row)?;
session_data.term_end.resize_to(session_row)?;
match record {
Record::New {
collection_id,
activity,
term_begin,
term_end,
fields,
depends,
pends,
} => {
let collection_id = *collection_id;
let virtual_row = -(session_row as i64);
let term_begin = if let Term::Overwrite(term_begin) = term_begin {
*term_begin
} else {
chrono::Local::now().timestamp()
};
let term_end = if let Term::Overwrite(term_end) = term_end {
*term_end
} else {
0
};
let col = temporary_data
.entry(collection_id)
.or_insert(HashMap::new());
let mut tmp_fields = HashMap::new();
for kv in fields {
tmp_fields.insert(kv.key().to_string(), kv.value().to_vec());
}
col.insert(
virtual_row,
TemporaryDataEntity {
activity: *activity,
term_begin,
term_end,
fields: tmp_fields,
},
);
session_data
.collection_id
.update(session_row, collection_id)?;
session_data
.operation
.update(session_row, SessionOperation::New)?;
update_row(
session_dir,
session_data,
session_row,
0,
activity,
term_begin,
term_end,
fields,
);
if let Depends::Overwrite(depends) = depends {
for (key, depend) in depends {
session_data.relation.insert(key, session_row, *depend);
}
}
if let Some((key, depend_session_row)) = depend_by_pend {
incidentally_depend(session_data, session_row, key, depend_session_row);
}
for pend in pends {
update_recursive(
master_database,
session_data,
temporary_data,
session_dir,
sequence_number,
pend.records(),
Some((pend.key(), session_row)),
)?;
}
}
Record::Update {
collection_id,
row, //-の場合はセッション新規データの更新
activity,
term_begin,
term_end,
fields,
depends,
pends,
} => {
let collection_id = *collection_id;
let row = *row;
let term_begin = if let Term::Overwrite(term_begin) = term_begin {
*term_begin
} else {
chrono::Local::now().timestamp()
};
let term_end = if let Term::Overwrite(term_end) = term_end {
*term_end
} else {
0
};
let col = temporary_data
.entry(collection_id)
.or_insert(HashMap::new());
let entity = col.entry(row).or_insert(TemporaryDataEntity {
activity: *activity,
term_begin,
term_end,
fields: HashMap::new(),
});
for kv in fields {
entity.fields.insert(kv.key().into(), kv.value().into());
}
session_data
.collection_id
.update(session_row, collection_id)?;
session_data
.operation
.update(session_row, SessionOperation::Update)?;
update_row(
session_dir,
session_data,
session_row,
row,
activity,
term_begin,
term_end,
fields,
);
match depends {
Depends::Default => {
if row > 0 {
let depends =
master_database.relation().index_pend().select_by_value(
&CollectionRow::new(collection_id, row as u32),
);
for i in depends {
if let Some(depend) =
master_database.relation().depend(i as u32)
{
session_data.relation.insert(
unsafe { master_database.relation().key(i as u32) },
session_row,
SessionCollectionRow::new(
depend.collection_id(),
depend.row() as i64,
),
);
}
}
} else {
session_data
.relation
.from_session_row((-row) as u32, session_row);
}
}
Depends::Overwrite(depends) => {
for (key, depend) in depends {
session_data.relation.insert(key, session_row, *depend);
}
}
}
if let Some((key, depend_session_row)) = depend_by_pend {
incidentally_depend(session_data, session_row, key, depend_session_row);
}
for pend in pends {
update_recursive(
master_database,
session_data,
temporary_data,
session_dir,
sequence_number,
pend.records(),
Some((pend.key(), session_row)),
)?;
}
}
Record::Delete { collection_id, row } => {
session_data
.collection_id
.update(session_row, *collection_id)?;
session_data.row.update(session_row, *row as i64)?;
session_data
.operation
.update(session_row, SessionOperation::Delete)?;
}
}
}
}
Ok(())
}