From 9ca9ed84f0a404c3740a7ac33978bd9d6c6a0c4a Mon Sep 17 00:00:00 2001 From: Bryan Newbold Date: Fri, 11 Jan 2019 19:43:07 -0800 Subject: first draft implementation of ref interning --- rust/src/database_models.rs | 29 +++++------ rust/src/database_schema.rs | 23 +++++---- rust/src/entity_crud.rs | 114 +++++++++++++++++++++++++++++--------------- 3 files changed, 102 insertions(+), 64 deletions(-) (limited to 'rust/src') diff --git a/rust/src/database_models.rs b/rust/src/database_models.rs index 63fbcb29..47fd062d 100644 --- a/rust/src/database_models.rs +++ b/rust/src/database_models.rs @@ -376,6 +376,7 @@ pub struct ReleaseRevRow { pub extra_json: Option, pub work_ident_id: Uuid, pub container_ident_id: Option, + pub refs_blob_sha1: Option, pub title: String, pub release_type: Option, pub release_status: Option, @@ -400,6 +401,7 @@ pub struct ReleaseRevNewRow { pub extra_json: Option, pub work_ident_id: Uuid, pub container_ident_id: Option, + pub refs_blob_sha1: Option, pub title: String, pub release_type: Option, pub release_status: Option, @@ -491,33 +493,28 @@ pub struct ReleaseContribNewRow { pub extra_json: Option, } -#[derive(Debug, Queryable, Identifiable, Associations, AsChangeset)] +#[derive(Debug, Queryable, Insertable, Associations, AsChangeset)] #[table_name = "release_ref"] pub struct ReleaseRefRow { - pub id: i64, pub release_rev: Uuid, - pub target_release_ident_id: Option, - pub index_val: Option, - pub key: Option, - pub extra_json: Option, - pub container_name: Option, - pub year: Option, - pub title: Option, - pub locator: Option, + pub index_val: i32, + pub target_release_ident_id: Uuid, } -#[derive(Debug, Insertable, AsChangeset)] -#[table_name = "release_ref"] -pub struct ReleaseRefNewRow { - pub release_rev: Uuid, - pub target_release_ident_id: Option, - pub index_val: Option, +/* These fields now interned in JSON blob pub key: Option, pub extra_json: Option, pub container_name: Option, pub year: Option, pub title: Option, pub locator: Option, +*/ + +#[derive(Debug, Queryable, Insertable, Associations, AsChangeset)] +#[table_name = "refs_blob"] +pub struct RefsBlobRow { + pub sha1: String, + pub refs_json: serde_json::Value, } #[derive(Debug, Queryable, Insertable, Associations, AsChangeset)] diff --git a/rust/src/database_schema.rs b/rust/src/database_schema.rs index 3bc57d95..0a067a10 100644 --- a/rust/src/database_schema.rs +++ b/rust/src/database_schema.rs @@ -238,6 +238,13 @@ table! { } } +table! { + refs_blob (sha1) { + sha1 -> Text, + refs_json -> Jsonb, + } +} + table! { release_contrib (id) { id -> Int8, @@ -273,17 +280,10 @@ table! { } table! { - release_ref (id) { - id -> Int8, + release_ref (release_rev, index_val) { release_rev -> Uuid, - target_release_ident_id -> Nullable, - index_val -> Nullable, - key -> Nullable, - extra_json -> Nullable, - container_name -> Nullable, - year -> Nullable, - title -> Nullable, - locator -> Nullable, + index_val -> Int4, + target_release_ident_id -> Uuid, } } @@ -293,6 +293,7 @@ table! { extra_json -> Nullable, work_ident_id -> Uuid, container_ident_id -> Nullable, + refs_blob_sha1 -> Nullable, title -> Text, release_type -> Nullable, release_status -> Nullable, @@ -439,6 +440,7 @@ joinable!(release_ident -> release_rev (rev_id)); joinable!(release_ref -> release_ident (target_release_ident_id)); joinable!(release_ref -> release_rev (release_rev)); joinable!(release_rev -> container_ident (container_ident_id)); +joinable!(release_rev -> refs_blob (refs_blob_sha1)); joinable!(release_rev -> work_ident (work_ident_id)); joinable!(release_rev_abstract -> abstracts (abstract_sha1)); joinable!(release_rev_abstract -> release_rev (release_rev)); @@ -475,6 +477,7 @@ allow_tables_to_appear_in_same_query!( fileset_rev_file, fileset_rev_release, fileset_rev_url, + refs_blob, release_contrib, release_edit, release_ident, diff --git a/rust/src/entity_crud.rs b/rust/src/entity_crud.rs index ce1c1ed7..6f0f77aa 100644 --- a/rust/src/entity_crud.rs +++ b/rust/src/entity_crud.rs @@ -1812,28 +1812,26 @@ impl EntityCrud for ReleaseEntity { None => (None, None, None), }; - let refs: Option> = match hide.refs { - true => None, - false => Some( - release_ref::table + let refs: Option> = match (hide.refs, rev_row.refs_blob_sha1) { + (true, _) => None, + (false, None) => None, + (false, Some(sha1)) => Some({ + let refs_blob: RefsBlobRow = refs_blob::table + .find(sha1) // checked in match + .get_result(conn)?; + let mut refs: Vec = serde_json::from_value(refs_blob.refs_json)?; + let ref_rows: Vec = release_ref::table .filter(release_ref::release_rev.eq(rev_row.id)) .order(release_ref::index_val.asc()) - .get_results(conn)? - .into_iter() - .map(|r: ReleaseRefRow| ReleaseRef { - index: r.index_val.map(|v| v as i64), - key: r.key, - extra: r.extra_json, - container_name: r.container_name, - year: r.year.map(|v| v as i64), - title: r.title, - locator: r.locator, - target_release_id: r - .target_release_ident_id - .map(|v| FatcatId::from_uuid(&v).to_string()), - }) - .collect(), - ), + .get_results(conn)?; + for index in 0..refs.len() { + refs[index].index = Some(index as i64) + } + for row in ref_rows { + refs[row.index_val as usize].target_release_id = Some(FatcatId::from_uuid(&row.target_release_ident_id).to_string()); + } + refs + }), }; let contribs: Option> = match hide.contribs { @@ -1953,12 +1951,56 @@ impl EntityCrud for ReleaseEntity { .into()); } + // First, calculate and upsert any refs JSON blobs and record the SHA1 keys, so they can be + // included in the release_rev row itself + let mut refs_blob_rows: Vec = vec![]; + let mut refs_blob_sha1: Vec> = vec![]; + for model in models.iter() { + match &model.refs { + None => { + refs_blob_sha1.push(None); + }, + Some(ref_list) => { + // Have to strip out target refs and indexes, or hashing won't work well when + // these change + let ref_list: Vec = ref_list + .iter() + .map(|r| { + let mut r = r.clone(); + r.target_release_id = None; + r.index = None; + r + }) + .collect(); + // TODO: maybe `canonical_json` crate? + let refs_json = serde_json::to_value(ref_list)?; + let refs_str = refs_json.to_string(); + let sha1 = Sha1::from(refs_str).hexdigest(); + let blob = RefsBlobRow { sha1: sha1.clone(), refs_json }; + refs_blob_rows.push(blob); + refs_blob_sha1.push(Some(sha1)); + } + }; + } + + if !refs_blob_rows.is_empty() { + // Sort of an "upsert"; only inserts new abstract rows if they don't already exist + insert_into(refs_blob::table) + .values(&refs_blob_rows) + .on_conflict(refs_blob::sha1) + .do_nothing() + .execute(conn)?; + } + + // Then the main release_revs themselves let rev_ids: Vec = insert_into(release_rev::table) .values( models .iter() - .map(|model| { + .zip(refs_blob_sha1.into_iter()) + .map(|(model, refs_sha1)| { Ok(ReleaseRevNewRow { + refs_blob_sha1: refs_sha1, title: model.title.clone().unwrap(), // titles checked above release_type: model.release_type.clone(), release_status: model.release_status.clone(), @@ -1991,34 +2033,30 @@ impl EntityCrud for ReleaseEntity { .returning(release_rev::id) .get_results(conn)?; - let mut release_ref_rows: Vec = vec![]; + let mut release_ref_rows: Vec = vec![]; let mut release_contrib_rows: Vec = vec![]; let mut abstract_rows: Vec = vec![]; let mut release_abstract_rows: Vec = vec![]; for (model, rev_id) in models.iter().zip(rev_ids.iter()) { + + // We didn't know the release_rev id to insert here, so need to re-iterate over refs match &model.refs { None => (), Some(ref_list) => { - let these_ref_rows: Vec = ref_list + let these_ref_rows: Vec = ref_list .iter() - .map(|r| { - Ok(ReleaseRefNewRow { + .enumerate() + .filter(|(_, r)| r.target_release_id.is_some()) + .map(|(index, r)| { + Ok(ReleaseRefRow { release_rev: *rev_id, - target_release_ident_id: match r.target_release_id.clone() { - None => None, - Some(v) => Some(FatcatId::from_str(&v)?.to_uuid()), - }, - index_val: r.index.map(|v| v as i32), - key: r.key.clone(), - container_name: r.container_name.clone(), - year: r.year.map(|v| v as i32), - title: r.title.clone(), - locator: r.locator.clone(), - extra_json: r.extra.clone(), + // unwrap() checked by is_some() filter + target_release_ident_id: FatcatId::from_str(&r.target_release_id.clone().unwrap())?.to_uuid(), + index_val: index as i32, }) }) - .collect::>>()?; + .collect::>>()?; release_ref_rows.extend(these_ref_rows); } }; @@ -2053,7 +2091,7 @@ impl EntityCrud for ReleaseEntity { .iter() .filter(|ea| ea.content.is_some()) .map(|c| AbstractsRow { - sha1: Sha1::from(c.content.clone().unwrap()).hexdigest(), + sha1: Sha1::from(c.content.as_ref().unwrap()).hexdigest(), content: c.content.clone().unwrap(), }) .collect(); -- cgit v1.2.3