uqa_sql/ast/
domains.rs

1//
2// Unified Query Algebra
3//
4// Copyright (c) 2023-2026 Cognica, Inc.
5//
6
7//! Domain declarations retain type identity and constraints until catalog binding.
8
9use serde::{Deserialize, Serialize};
10
11use super::{ColumnType, ConstraintCatalogIdentity, Expr};
12
13#[derive(Debug, Clone, Serialize, Deserialize)]
14pub struct CreateDomain {
15    pub name: String,
16    pub base: ColumnType,
17    pub collation: Option<String>,
18    pub default: Option<Expr>,
19    pub not_null: Option<DomainNotNull>,
20    pub checks: Vec<DomainCheck>,
21}
22
23#[derive(Debug, Clone, Serialize, Deserialize)]
24pub struct DomainNotNull {
25    pub name: Option<String>,
26    #[serde(default)]
27    pub catalog_identity: Option<ConstraintCatalogIdentity>,
28}
29
30#[derive(Debug, Clone, Serialize, Deserialize)]
31pub struct DomainCheck {
32    pub name: Option<String>,
33    #[serde(default)]
34    pub catalog_identity: Option<ConstraintCatalogIdentity>,
35    pub expression: Expr,
36    #[serde(default = "super::default_true")]
37    pub validated: bool,
38}
39
40#[derive(Debug, Clone, Serialize, Deserialize)]
41pub struct AlterDomain {
42    pub name: String,
43    pub action: AlterDomainAction,
44}
45
46#[derive(Debug, Clone, Serialize, Deserialize)]
47pub enum AlterDomainAction {
48    AddCheck {
49        constraint: Box<DomainCheck>,
50    },
51    AddNotNull {
52        constraint: DomainNotNull,
53    },
54    DropConstraint {
55        name: String,
56        if_exists: bool,
57        cascade: bool,
58    },
59    ValidateConstraint {
60        name: String,
61    },
62}
uqa_sql/ast/domains.rs

uqa_sql/ast/
domains.rs
