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Separate the update and main databases

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We used the heed typed transaction to make it safe (https://github.com/Kerollmops/heed/pull/27).
This commit is contained in:
Clément Renault 2019-11-26 16:12:06 +01:00
parent 86a87d6032
commit d08b76a323
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GPG key ID: 92ADA4E935E71FA4
41 changed files with 498 additions and 414 deletions
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29
meilisearch-core/examples/from_file.rs
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@ -113,24 +113,25 @@ fn index_command(command: IndexCommand, database: Database) -> Result<(), Box<dy
database.set_update_callback(Box::new(update_fn));
let env = &database.env;
let db = &database;
let schema = {
let string = fs::read_to_string(&command.schema)?;
toml::from_str(&string).unwrap()
};
let mut writer = env.write_txn().unwrap();
match index.main.schema(&writer)? {
let reader = db.main_read_txn().unwrap();
let mut update_writer = db.update_write_txn().unwrap();
match index.main.schema(&reader)? {
Some(current_schema) => {
if current_schema != schema {
return Err(meilisearch_core::Error::SchemaDiffer.into());
}
writer.abort();
update_writer.abort();
}
None => {
index.schema_update(&mut writer, schema)?;
writer.commit().unwrap();
index.schema_update(&mut update_writer, schema)?;
update_writer.commit().unwrap();
}
}
@ -173,10 +174,10 @@ fn index_command(command: IndexCommand, database: Database) -> Result<(), Box<dy
println!();
let mut writer = env.write_txn().unwrap();
let mut update_writer = db.update_write_txn().unwrap();
println!("committing update...");
let update_id = additions.finalize(&mut writer)?;
writer.commit().unwrap();
let update_id = additions.finalize(&mut update_writer)?;
update_writer.commit().unwrap();
max_update_id = max_update_id.max(update_id);
println!("committed update {}", update_id);
}
@ -316,12 +317,12 @@ fn crop_text(
}
fn search_command(command: SearchCommand, database: Database) -> Result<(), Box<dyn Error>> {
let env = &database.env;
let db = &database;
let index = database
.open_index(&command.index_uid)
.expect("Could not find index");
let reader = env.read_txn().unwrap();
let reader = db.main_read_txn().unwrap();
let schema = index.main.schema(&reader)?;
reader.abort();
@ -339,7 +340,7 @@ fn search_command(command: SearchCommand, database: Database) -> Result<(), Box<
Ok(query) => {
let start_total = Instant::now();
let reader = env.read_txn().unwrap();
let reader = db.main_read_txn().unwrap();
let ref_index = &index;
let ref_reader = &reader;
@ -444,12 +445,12 @@ fn show_updates_command(
command: ShowUpdatesCommand,
database: Database,
) -> Result<(), Box<dyn Error>> {
let env = &database.env;
let db = &database;
let index = database
.open_index(&command.index_uid)
.expect("Could not find index");
let reader = env.read_txn().unwrap();
let reader = db.update_read_txn().unwrap();
let updates = index.all_updates_status(&reader)?;
println!("{:#?}", updates);
reader.abort();