remove accept new fields / add indexed *

This commit is contained in:
mpostma 2020-07-10 11:36:34 +02:00
parent 7f5fb50307
commit 51b7cb2722
4 changed files with 111 additions and 149 deletions

View file

@ -15,6 +15,21 @@ impl<T> OptionAll<T> {
fn take(&mut self) -> OptionAll<T> {
std::mem::replace(self, OptionAll::None)
}
fn map<U, F: FnOnce(T) -> U>(self, f: F) -> OptionAll<U> {
match self {
OptionAll::Some(x) => OptionAll::Some(f(x)),
OptionAll::All => OptionAll::All,
OptionAll::None => OptionAll::None,
}
}
pub fn is_all(&self) -> bool {
match self {
OptionAll::All => true,
_ => false,
}
}
}
impl<T> Default for OptionAll<T> {
@ -31,18 +46,13 @@ pub struct Schema {
ranked: HashSet<FieldId>,
displayed: OptionAll<HashSet<FieldId>>,
indexed: Vec<FieldId>,
indexed: OptionAll<Vec<FieldId>>,
indexed_map: HashMap<FieldId, IndexedPos>,
accept_new_fields: bool,
}
impl Schema {
pub fn new() -> Schema {
Schema {
accept_new_fields: true,
..Default::default()
}
Schema::default()
}
pub fn with_primary_key(name: &str) -> Schema {
@ -50,11 +60,9 @@ impl Schema {
let field_id = fields_map.insert(name).unwrap();
let mut displayed = HashSet::new();
let mut indexed = Vec::new();
let mut indexed_map = HashMap::new();
displayed.insert(field_id);
indexed.push(field_id);
indexed_map.insert(field_id, 0.into());
Schema {
@ -62,9 +70,8 @@ impl Schema {
primary_key: Some(field_id),
ranked: HashSet::new(),
displayed: OptionAll::All,
indexed,
indexed: OptionAll::All,
indexed_map,
accept_new_fields: true,
}
}
@ -79,10 +86,8 @@ impl Schema {
let id = self.insert(name)?;
self.primary_key = Some(id);
if self.accept_new_fields {
self.set_indexed(name)?;
self.set_displayed(name)?;
}
self.set_indexed(name)?;
self.set_displayed(name)?;
Ok(id)
}
@ -113,12 +118,8 @@ impl Schema {
Ok(id)
}
None => {
if self.accept_new_fields {
self.set_indexed(name)?;
self.set_displayed(name)
} else {
self.fields_map.insert(name)
}
self.set_indexed(name)?;
self.set_displayed(name)
}
}
}
@ -147,34 +148,34 @@ impl Schema {
}
pub fn is_displayed_all(&self) -> bool {
match self.displayed {
OptionAll::All => true,
_ => false,
}
self.displayed.is_all()
}
pub fn displayed_name(&self) -> HashSet<&str> {
match self.displayed {
OptionAll::Some(ref v) => {
v.iter().filter_map(|a| self.name(*a)).collect()
}
OptionAll::All => {
self
.fields_map
.iter()
.filter_map(|(_, &v)| self.name(v))
.collect::<HashSet<_>>()
}
OptionAll::None => HashSet::new()
OptionAll::All => self.fields_map.iter().filter_map(|(_, &v)| self.name(v)).collect(),
OptionAll::Some(ref v) => v.iter().filter_map(|a| self.name(*a)).collect(),
OptionAll::None => HashSet::new(),
}
}
pub fn indexed(&self) -> &Vec<FieldId> {
&self.indexed
pub fn indexed(&self) -> Cow<[FieldId]> {
match self.indexed {
OptionAll::Some(ref v) => Cow::Borrowed(v),
OptionAll::All => {
let fields = self
.fields_map
.iter()
.map(|(_, &f)| f)
.collect();
Cow::Owned(fields)
},
OptionAll::None => Cow::Owned(Vec::new())
}
}
pub fn indexed_name(&self) -> Vec<&str> {
self.indexed.iter().filter_map(|a| self.name(*a)).collect()
self.indexed().iter().filter_map(|a| self.name(*a)).collect()
}
pub fn set_ranked(&mut self, name: &str) -> SResult<FieldId> {
@ -186,7 +187,8 @@ impl Schema {
pub fn set_displayed(&mut self, name: &str) -> SResult<FieldId> {
let id = self.fields_map.insert(name)?;
self.displayed = match self.displayed.take() {
OptionAll::All | OptionAll::None => {
OptionAll::All => OptionAll::All,
OptionAll::None => {
let mut displayed = HashSet::new();
displayed.insert(id);
OptionAll::Some(displayed)
@ -201,12 +203,16 @@ impl Schema {
pub fn set_indexed(&mut self, name: &str) -> SResult<(FieldId, IndexedPos)> {
let id = self.fields_map.insert(name)?;
if let Some(indexed_pos) = self.indexed_map.get(&id) {
return Ok((id, *indexed_pos))
};
let pos = self.indexed.len() as u16;
self.indexed.push(id);
let pos = self.indexed_map.len() as u16;
self.indexed_map.insert(id, pos.into());
self.indexed = self.indexed.take().map(|mut v| {
v.push(id);
v
});
Ok((id, pos.into()))
}
@ -251,7 +257,16 @@ impl Schema {
pub fn remove_indexed(&mut self, name: &str) {
if let Some(id) = self.fields_map.id(name) {
self.indexed_map.remove(&id);
self.indexed.retain(|x| *x != id);
self.indexed = match self.indexed.take() {
// valid because indexed is All and indexed() return the content of
// indexed_map that is already updated
OptionAll::All => OptionAll::Some(self.indexed().into_owned()),
OptionAll::Some(mut v) => {
v.retain(|x| *x != id);
OptionAll::Some(v)
}
OptionAll::None => OptionAll::None,
}
}
}
@ -273,13 +288,17 @@ impl Schema {
self.indexed_map.get(&id)
}
pub fn is_indexed_all(&self) -> bool {
self.indexed.is_all()
}
pub fn indexed_pos_to_field_id<I: Into<IndexedPos>>(&self, pos: I) -> Option<FieldId> {
let indexed_pos = pos.into().0 as usize;
if indexed_pos < self.indexed.len() {
Some(self.indexed[indexed_pos as usize])
} else {
None
}
let indexed_pos = pos.into().0;
self
.indexed_map
.iter()
.find(|(_, &v)| v.0 == indexed_pos)
.map(|(&k, _)| k)
}
pub fn update_ranked<S: AsRef<str>>(&mut self, data: impl IntoIterator<Item = S>) -> SResult<()> {
@ -291,9 +310,13 @@ impl Schema {
}
pub fn update_displayed<S: AsRef<str>>(&mut self, data: impl IntoIterator<Item = S>) -> SResult<()> {
if let OptionAll::Some(ref mut v) = self.displayed {
v.clear()
}
self.displayed = match self.displayed.take() {
OptionAll::Some(mut v) => {
v.clear();
OptionAll::Some(v)
}
_ => OptionAll::Some(HashSet::new())
};
for name in data {
self.set_displayed(name.as_ref())?;
}
@ -301,7 +324,13 @@ impl Schema {
}
pub fn update_indexed<S: AsRef<str>>(&mut self, data: Vec<S>) -> SResult<()> {
self.indexed.clear();
self.indexed = match self.indexed.take() {
OptionAll::Some(mut v) => {
v.clear();
OptionAll::Some(v)
},
_ => OptionAll::Some(Vec::new()),
};
self.indexed_map.clear();
for name in data {
self.set_indexed(name.as_ref())?;
@ -310,12 +339,11 @@ impl Schema {
}
pub fn set_all_fields_as_indexed(&mut self) {
self.indexed.clear();
self.indexed = OptionAll::All;
self.indexed_map.clear();
for (_name, id) in self.fields_map.iter() {
let pos = self.indexed.len() as u16;
self.indexed.push(*id);
let pos = self.indexed_map.len() as u16;
self.indexed_map.insert(*id, pos.into());
}
}
@ -323,12 +351,4 @@ impl Schema {
pub fn set_all_fields_as_displayed(&mut self) {
self.displayed = OptionAll::All
}
pub fn accept_new_fields(&self) -> bool {
self.accept_new_fields
}
pub fn set_accept_new_fields(&mut self, value: bool) {
self.accept_new_fields = value;
}
}