New data APIs 2: cached latest-at queries

Cargo.toml

@@ -48,6 +48,7 @@ re_memory = { path = "crates/re_memory", version = "=0.15.0-alpha.5", default-fe
 re_query = { path = "crates/re_query", version = "=0.15.0-alpha.5", default-features = false }
 re_query2 = { path = "crates/re_query2", version = "=0.15.0-alpha.5", default-features = false }
 re_query_cache = { path = "crates/re_query_cache", version = "=0.15.0-alpha.5", default-features = false }
+re_query_cache2 = { path = "crates/re_query_cache2", version = "=0.15.0-alpha.5", default-features = false }
 re_renderer = { path = "crates/re_renderer", version = "=0.15.0-alpha.5", default-features = false }
 re_sdk = { path = "crates/re_sdk", version = "=0.15.0-alpha.5", default-features = false }
 re_sdk_comms = { path = "crates/re_sdk_comms", version = "=0.15.0-alpha.5", default-features = false }

crates/re_query_cache2/Cargo.toml

@@ -0,0 +1,65 @@
+[package]
+name = "re_query_cache2"
+authors.workspace = true
+description = "Temporary crate meant to replace re_query_cache"
+edition.workspace = true
+homepage.workspace = true
+include.workspace = true
+license.workspace = true
+# TODO(cmc): Replace re_query with this crate. Never publish this one.
+publish = false
+readme = "README.md"
+repository.workspace = true
+rust-version.workspace = true
+version.workspace = true
+
+[package.metadata.docs.rs]
+all-features = true
+
+
+[features]
+default = []
+
+[dependencies]
+# Rerun dependencies:
+re_data_store.workspace = true
+re_format.workspace = true
+re_log.workspace = true
+re_log_types.workspace = true
+re_query2.workspace = true
+re_tracing.workspace = true
+re_types_core.workspace = true
+
+# External dependencies:
+ahash.workspace = true
+anyhow.workspace = true
+backtrace.workspace = true
+indent.workspace = true
+itertools.workspace = true
+nohash-hasher.workspace = true
+parking_lot.workspace = true
+paste.workspace = true
+seq-macro.workspace = true
+web-time.workspace = true
+
+
+[dev-dependencies]
+re_types = { workspace = true, features = ["datagen"] }
+
+criterion.workspace = true
+mimalloc.workspace = true
+rand = { workspace = true, features = ["std", "std_rng"] }
+similar-asserts.workspace = true
+
+
+[lib]
+bench = false
+
+
+[[bench]]
+name = "flat_vec_deque"
+harness = false
+
+[[bench]]
+name = "latest_at"
+harness = false

crates/re_query_cache2/README.md

@@ -0,0 +1,5 @@
+# re_query_cache2
+
+Temporary crate for implementing the new cached data APIs. Not published.
+
+Will replace `re_query_cache2` when ready.