e33fe71c47
This puts caching in mentat_db, adds a reverse lookup capability for unique attributes, and populates bidirectional caches with a single SQL cursor walk. Differentiate between begin_read and begin_uncached_read. Note that we still allow toggling within InProgress, because there might be transient local state that makes starting a new transaction impossible.
100 lines
3.1 KiB
Rust
100 lines
3.1 KiB
Rust
// Copyright 2018 Mozilla
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use
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// this file except in compliance with the License. You may obtain a copy of the
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// License at http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed
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// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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// CONDITIONS OF ANY KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations under the License.
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// This is required to prevent warnings about unused functions in this file just
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// because it's unused in a single file (tests that don't use every function in
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// this module will get warnings otherwise).
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#![allow(dead_code)]
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use mentat_core::{
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Attribute,
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Entid,
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Schema,
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ValueType,
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};
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use mentat_query_parser::{
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parse_find_string,
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};
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use mentat_query::{
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NamespacedKeyword,
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};
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use mentat_query_algebrizer::{
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ConjoiningClauses,
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Error,
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Known,
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QueryInputs,
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algebrize,
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algebrize_with_inputs,
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};
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// Common utility functions used in multiple test files.
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// These are helpers that tests use to build Schema instances.
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pub fn associate_ident(schema: &mut Schema, i: NamespacedKeyword, e: Entid) {
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schema.entid_map.insert(e, i.clone());
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schema.ident_map.insert(i.clone(), e);
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}
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pub fn add_attribute(schema: &mut Schema, e: Entid, a: Attribute) {
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schema.attribute_map.insert(e, a);
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}
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pub struct SchemaBuilder {
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pub schema: Schema,
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pub counter: Entid,
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}
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impl SchemaBuilder {
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pub fn new() -> SchemaBuilder {
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SchemaBuilder {
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schema: Schema::default(),
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counter: 65
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}
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}
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pub fn define_attr(mut self, kw: NamespacedKeyword, attr: Attribute) -> Self {
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associate_ident(&mut self.schema, kw, self.counter);
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add_attribute(&mut self.schema, self.counter, attr);
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self.counter += 1;
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self
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}
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pub fn define_simple_attr<T>(self,
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keyword_ns: T,
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keyword_name: T,
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value_type: ValueType,
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multival: bool) -> Self
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where T: Into<String>
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{
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self.define_attr(NamespacedKeyword::new(keyword_ns, keyword_name), Attribute {
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value_type,
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multival,
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..Default::default()
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})
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}
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}
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pub fn bails(known: Known, input: &str) -> Error {
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let parsed = parse_find_string(input).expect("query input to have parsed");
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algebrize(known, parsed).expect_err("algebrize to have failed")
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}
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pub fn bails_with_inputs(known: Known, input: &str, inputs: QueryInputs) -> Error {
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let parsed = parse_find_string(input).expect("query input to have parsed");
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algebrize_with_inputs(known, parsed, 0, inputs).expect_err("algebrize to have failed")
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}
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pub fn alg(known: Known, input: &str) -> ConjoiningClauses {
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let parsed = parse_find_string(input).expect("query input to have parsed");
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algebrize(known, parsed).expect("algebrizing to have succeeded").cc
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}
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