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Can build indexes on new columns

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This commit is contained in:
Yuriy Dupyn 2024-02-05 00:44:14 +01:00
parent 8139112934
commit b0f05f36f2
5 changed files with 110 additions and 14 deletions
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29
storage_engine/src/main.rs
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@ -148,11 +148,38 @@ async fn main() -> Result<()> {
{
let mut cursor = store.read_cursor().await.map_err(|e| e.to_io_or_panic())?;
let entries = cursor.index_lookup(0, &1).await.map_err(|e| e.to_io_or_panic())?;
let column = 0;
let value = 1;
let entries = cursor.select_entries_where_eq(column, &value).await.map_err(|e| e.to_io_or_panic())?;
println!("ARE INDEXES WORKING???");
println!("{:?}", entries);
}
{
let mut cursor = store.read_cursor().await.map_err(|e| e.to_io_or_panic())?;
let column = 1;
let value = 2;
let entries = cursor.select_entries_where_eq(column, &value).await.map_err(|e| e.to_io_or_panic())?;
println!("ARE INDEXES WORKING???");
println!("{:?}", entries);
}
{
let column = 1;
println!("BUILDING AN INDEX");
store.attach_index(column).await.map_err(|e| e.to_io_or_panic())?;
println!("INDEX BUILT!");
let mut cursor = store.read_cursor().await.map_err(|e| e.to_io_or_panic())?;
let value = 2;
let entries = cursor.select_entries_where_eq(column, &value).await.map_err(|e| e.to_io_or_panic())?;
println!("ARE INDEXES WORKING???");
println!("{:?}", entries);
}
// {
// let mut cursor = store.read_cursor().await.map_err(|e| e.to_io_or_panic())?;
// let column = 3;