5a29efa336
This is necessary for the timelines work ahead. When schema is being moved off of a main timeline, we need to be able to retract it cleanly. Retractions are only processed if the whole defining attribute set is being retracted at once (:db/ident, :db/valueType, :db/cardinality).
126 lines
4 KiB
Rust
126 lines
4 KiB
Rust
// Copyright 2016 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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#![allow(dead_code)]
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/// Literal `Entid` values in the the "db" namespace.
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///
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/// Used through-out the transactor to match core DB constructs.
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use types::{Entid};
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// Added in SQL schema v1.
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pub const DB_IDENT: Entid = 1;
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pub const DB_PART_DB: Entid = 2;
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pub const DB_TX_INSTANT: Entid = 3;
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pub const DB_INSTALL_PARTITION: Entid = 4;
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pub const DB_INSTALL_VALUE_TYPE: Entid = 5;
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pub const DB_INSTALL_ATTRIBUTE: Entid = 6;
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pub const DB_VALUE_TYPE: Entid = 7;
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pub const DB_CARDINALITY: Entid = 8;
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pub const DB_UNIQUE: Entid = 9;
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pub const DB_IS_COMPONENT: Entid = 10;
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pub const DB_INDEX: Entid = 11;
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pub const DB_FULLTEXT: Entid = 12;
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pub const DB_NO_HISTORY: Entid = 13;
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pub const DB_ADD: Entid = 14;
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pub const DB_RETRACT: Entid = 15;
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pub const DB_PART_USER: Entid = 16;
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pub const DB_PART_TX: Entid = 17;
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pub const DB_EXCISE: Entid = 18;
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pub const DB_EXCISE_ATTRS: Entid = 19;
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pub const DB_EXCISE_BEFORE_T: Entid = 20;
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pub const DB_EXCISE_BEFORE: Entid = 21;
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pub const DB_ALTER_ATTRIBUTE: Entid = 22;
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pub const DB_TYPE_REF: Entid = 23;
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pub const DB_TYPE_KEYWORD: Entid = 24;
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pub const DB_TYPE_LONG: Entid = 25;
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pub const DB_TYPE_DOUBLE: Entid = 26;
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pub const DB_TYPE_STRING: Entid = 27;
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pub const DB_TYPE_UUID: Entid = 28;
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pub const DB_TYPE_URI: Entid = 29;
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pub const DB_TYPE_BOOLEAN: Entid = 30;
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pub const DB_TYPE_INSTANT: Entid = 31;
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pub const DB_TYPE_BYTES: Entid = 32;
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pub const DB_CARDINALITY_ONE: Entid = 33;
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pub const DB_CARDINALITY_MANY: Entid = 34;
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pub const DB_UNIQUE_VALUE: Entid = 35;
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pub const DB_UNIQUE_IDENTITY: Entid = 36;
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pub const DB_DOC: Entid = 37;
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pub const DB_SCHEMA_VERSION: Entid = 38;
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pub const DB_SCHEMA_ATTRIBUTE: Entid = 39;
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pub const DB_SCHEMA_CORE: Entid = 40;
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/// Return `false` if the given attribute will not change the metadata: recognized idents, schema,
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/// partitions in the partition map.
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pub fn might_update_metadata(attribute: Entid) -> bool {
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if attribute >= DB_DOC {
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return false
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}
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match attribute {
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// Idents.
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DB_IDENT |
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// Schema.
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DB_CARDINALITY |
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DB_FULLTEXT |
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DB_INDEX |
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DB_IS_COMPONENT |
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DB_UNIQUE |
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DB_VALUE_TYPE =>
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true,
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_ => false,
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}
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}
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/// Return 'false' if the given attribute might be used to describe a schema attribute.
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pub fn is_a_schema_attribute(attribute: Entid) -> bool {
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match attribute {
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DB_IDENT |
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DB_CARDINALITY |
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DB_FULLTEXT |
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DB_INDEX |
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DB_IS_COMPONENT |
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DB_UNIQUE |
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DB_VALUE_TYPE =>
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true,
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_ => false,
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}
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}
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lazy_static! {
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/// Attributes that are "ident related". These might change the "idents" materialized view.
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pub static ref IDENTS_SQL_LIST: String = {
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format!("({})",
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DB_IDENT)
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};
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/// Attributes that are "schema related". These might change the "schema" materialized view.
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pub static ref SCHEMA_SQL_LIST: String = {
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format!("({}, {}, {}, {}, {}, {})",
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DB_CARDINALITY,
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DB_FULLTEXT,
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DB_INDEX,
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DB_IS_COMPONENT,
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DB_UNIQUE,
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DB_VALUE_TYPE)
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};
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/// Attributes that are "metadata" related. These might change one of the materialized views.
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pub static ref METADATA_SQL_LIST: String = {
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format!("({}, {}, {}, {}, {}, {}, {})",
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DB_CARDINALITY,
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DB_FULLTEXT,
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DB_IDENT,
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DB_INDEX,
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DB_IS_COMPONENT,
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DB_UNIQUE,
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DB_VALUE_TYPE)
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};
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}
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