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safe_migrate/model/
column.rs

1use crate::analysis::expr_ir::ExprIr;
2use crate::ast::identifiers::ObjectId;
3use serde::{Deserialize, Serialize};
4
5#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
6pub struct Column {
7    pub name: String,
8    pub data_type: Option<String>,
9    /// Resolved identity for a tracked user-defined type. The display spelling
10    /// remains for reports and cache compatibility; state transitions use this
11    /// identity so same-named types in different schemas stay distinct.
12    #[serde(skip)]
13    pub type_id: Option<ObjectId>,
14    pub is_nullable: bool,
15    pub default: Option<ExprIr>,
16    pub avg_width: Option<i32>,
17    /// Raw default expression text from pg_get_expr(), unparsed.
18    /// Used for display and heuristic volatility checks without an ExprIr parser.
19    #[serde(default)]
20    pub default_expr_text: Option<String>,
21    /// Raw type modifier integer from pg_attribute.atttypmod.
22    /// Example: For VARCHAR(50), this stores 54 (50 + 4 length header).
23    #[serde(default)]
24    pub type_modifier: Option<i32>,
25}