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Implement index removal

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This commit is contained in:
Yuriy Dupyn 2023-12-11 22:09:26 +01:00
parent 0aa3b28e74
commit 77f4ae514e
1 changed files with 13 additions and 4 deletions
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17
src/main.rs
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@ -372,12 +372,13 @@ impl Table {
fn delete_row_by_id(&mut self, id: UUID) -> usize { fn delete_row_by_id(&mut self, id: UUID) -> usize {
if let Some(row) = self.rows.remove(&id) { if let Some(row) = self.rows.remove(&id) {
let mut something_was_deleted = false;
for (column_position, column_index) in &mut self.indexes { for (column_position, column_index) in &mut self.indexes {
if let DbValue::Indexable(value) = &row[*column_position] { if let DbValue::Indexable(value) = &row[*column_position] {
column_index.remove(value, id) something_was_deleted = something_was_deleted || column_index.remove(value, id);
}; };
} }
1 if something_was_deleted { 1 } else { 0 }
} else { } else {
0 0
} }
@ -522,8 +523,16 @@ impl ColumnIndex {
} }
} }
fn remove(&mut self, value: &IndexableDbValue, id: UUID) { fn remove(&mut self, value: &IndexableDbValue, id_to_be_removed: UUID) -> bool {
todo!() match self.index.get_mut(value) {
Some(ids) => {
let was_present = ids.remove(&id_to_be_removed);
was_present
},
None => {
false
}
}
} }
} }