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Code Issues Releases Wiki Activity

Add method to create a new Index with specific creation dates

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This commit is contained in:
Loïc Lecrenier 2022-10-25 14:37:56 +02:00
parent d11a6e187f
commit 36bd66281d
1 changed files with 20 additions and 6 deletions
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26
milli/src/index.rs
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@ -138,7 +138,12 @@ pub struct Index {
}
impl Index {
pub fn new<P: AsRef<Path>>(mut options: heed::EnvOpenOptions, path: P) -> Result<Index> {
pub fn new_with_creation_dates<P: AsRef<Path>>(
mut options: heed::EnvOpenOptions,
path: P,
created_at: OffsetDateTime,
updated_at: OffsetDateTime,
) -> Result<Index> {
use db_name::*;
options.max_dbs(18);
@ -168,7 +173,7 @@ impl Index {
env.create_database(Some(FIELD_ID_DOCID_FACET_STRINGS))?;
let documents = env.create_database(Some(DOCUMENTS))?;
Index::initialize_creation_dates(&env, main)?;
Index::set_creation_dates(&env, main, created_at, updated_at)?;
Ok(Index {
env,
@ -193,21 +198,30 @@ impl Index {
})
}
fn initialize_creation_dates(env: &heed::Env, main: PolyDatabase) -> heed::Result<()> {
pub fn new<P: AsRef<Path>>(options: heed::EnvOpenOptions, path: P) -> Result<Index> {
let now = OffsetDateTime::now_utc();
Self::new_with_creation_dates(options, path, now.clone(), now)
}
fn set_creation_dates(
env: &heed::Env,
main: PolyDatabase,
created_at: OffsetDateTime,
updated_at: OffsetDateTime,
) -> heed::Result<()> {
let mut txn = env.write_txn()?;
// The db was just created, we update its metadata with the relevant information.
if main.get::<_, Str, SerdeJson<OffsetDateTime>>(&txn, main_key::CREATED_AT_KEY)?.is_none()
{
let now = OffsetDateTime::now_utc();
main.put::<_, Str, SerdeJson<OffsetDateTime>>(
&mut txn,
main_key::UPDATED_AT_KEY,
&now,
&updated_at,
)?;
main.put::<_, Str, SerdeJson<OffsetDateTime>>(
&mut txn,
main_key::CREATED_AT_KEY,
&now,
&created_at,
)?;
txn.commit()?;
}