sea_schema/postgres/def/
column.rs

1#[cfg(feature = "with-serde")]
2use serde::{Deserialize, Serialize};
3
4use super::{NotNull, Type};
5
6#[derive(Debug, Clone, PartialEq)]
7#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
8pub struct ColumnInfo {
9    /// The name of the column
10    pub name: String,
11    /// The type of the column with any additional definitions such as the precision or the character
12    /// set
13    pub col_type: ColumnType,
14    /// The default value for this column, if any
15    pub default: Option<ColumnDefault>,
16    /// The generation expression for this column, if it is a generated column
17    pub generated: Option<ColumnExpression>,
18    pub not_null: Option<NotNull>,
19    pub is_identity: bool,
20    // TODO:
21    // /// A constraint that ensures the value of a column is unique among all other rows in the table
22    // pub unique: Option<Vec<constraints::Unique>>,
23    // /// A constraint that states that the column is the unique identifier or part of the unique
24    // /// identifier of each row for this table
25    // pub primary_key: Option<constraints::PrimaryKey>,
26    // /// A constraint that ensures that the value of this column must refer to a unique key in another
27    // /// table
28    // pub references: Option<constraints::References>,
29
30    // FIXME: Include if there's a convenient way to look for this
31    // /// Comments on the column made by the user
32    // pub comment: String,
33}
34
35pub type ColumnType = Type;
36
37#[derive(Debug, Clone, PartialEq)]
38#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
39pub enum ColumnDefault {
40    Int(i64),
41    Real(f64),
42    String(String),
43    Bool(bool),
44    CurrentTimestamp,
45    /// A sequence default, e.g. `nextval('table_id_seq'::regclass)`
46    AutoIncrement(String),
47    /// Any other expression not covered by the above variants
48    Expression(String),
49}
50
51#[derive(Debug, Clone, PartialEq)]
52#[cfg_attr(feature = "with-serde", derive(Serialize, Deserialize))]
53pub struct ColumnExpression(pub String);
54
55impl ColumnExpression {
56    pub fn from_option_string(maybe_string: Option<String>) -> Option<ColumnExpression> {
57        maybe_string.map(ColumnExpression)
58    }
59}
sea_schema/postgres/def/column.rs

sea_schema/postgres/def/
column.rs
