1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
use super::{InformationSchema, SchemaQueryBuilder};
use crate::sqlx_types::{postgres::PgRow, Row};
use sea_query::{Expr, Iden, Query, SeaRc, SelectStatement};
#[derive(Debug, sea_query::Iden)]
pub enum TablesFields {
TableCatalog,
TableSchema,
TableName,
TableType,
UserDefinedTypeSchema,
UserDefinedTypeName,
IsInsertableInto,
IsTyped,
}
#[derive(Debug, sea_query::Iden)]
pub enum TableType {
#[iden = "BASE TABLE"]
BaseTable,
#[iden = "VIEW"]
View,
#[iden = "FOREIGN"]
Foreign,
#[iden = "LOCAL TEMPORARY"]
Temporary,
}
#[derive(Debug, Default)]
pub struct TableQueryResult {
pub table_name: String,
pub user_defined_type_schema: Option<String>,
pub user_defined_type_name: Option<String>,
}
impl SchemaQueryBuilder {
pub fn query_tables(&self, schema: SeaRc<dyn Iden>) -> SelectStatement {
Query::select()
.columns(vec![
TablesFields::TableName,
TablesFields::UserDefinedTypeSchema,
TablesFields::UserDefinedTypeName,
])
.from((InformationSchema::Schema, InformationSchema::Tables))
.and_where(Expr::col(TablesFields::TableSchema).eq(schema.to_string()))
.and_where(Expr::col(TablesFields::TableType).eq(TableType::BaseTable.to_string()))
.take()
}
}
#[cfg(feature = "sqlx-postgres")]
impl From<&PgRow> for TableQueryResult {
fn from(row: &PgRow) -> Self {
Self {
table_name: row.get(0),
user_defined_type_schema: row.get(1),
user_defined_type_name: row.get(2),
}
}
}
#[cfg(not(feature = "sqlx-postgres"))]
impl From<&PgRow> for TableQueryResult {
fn from(row: &PgRow) -> Self {
Self::default()
}
}