sea_query/extension/postgres/
interval.rs1use std::convert::TryFrom;
2use std::fmt;
3
4use crate::PgInterval;
5
6impl fmt::Display for PgInterval {
7 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
8 let fields = match self {
9 PgInterval::Year => "YEAR",
10 PgInterval::Month => "MONTH",
11 PgInterval::Day => "DAY",
12 PgInterval::Hour => "HOUR",
13 PgInterval::Minute => "MINUTE",
14 PgInterval::Second => "SECOND",
15 PgInterval::YearToMonth => "YEAR TO MONTH",
16 PgInterval::DayToHour => "DAY TO HOUR",
17 PgInterval::DayToMinute => "DAY TO MINUTE",
18 PgInterval::DayToSecond => "DAY TO SECOND",
19 PgInterval::HourToMinute => "HOUR TO MINUTE",
20 PgInterval::HourToSecond => "HOUR TO SECOND",
21 PgInterval::MinuteToSecond => "MINUTE TO SECOND",
22 };
23 write!(f, "{fields}")
24 }
25}
26
27impl TryFrom<String> for PgInterval {
28 type Error = String;
29
30 fn try_from(field: String) -> Result<Self, Self::Error> {
31 PgInterval::try_from(field.as_str())
32 }
33}
34
35impl TryFrom<&String> for PgInterval {
36 type Error = String;
37
38 fn try_from(field: &String) -> Result<Self, Self::Error> {
39 PgInterval::try_from(field.as_str())
40 }
41}
42
43impl TryFrom<&str> for PgInterval {
44 type Error = String;
45
46 fn try_from(field: &str) -> Result<Self, Self::Error> {
47 match field.trim_start().trim_end().to_uppercase().as_ref() {
48 "YEAR" => Ok(PgInterval::Year),
49 "MONTH" => Ok(PgInterval::Month),
50 "DAY" => Ok(PgInterval::Day),
51 "HOUR" => Ok(PgInterval::Hour),
52 "MINUTE" => Ok(PgInterval::Minute),
53 "SECOND" => Ok(PgInterval::Second),
54 "YEAR TO MONTH" => Ok(PgInterval::YearToMonth),
55 "DAY TO HOUR" => Ok(PgInterval::DayToHour),
56 "DAY TO MINUTE" => Ok(PgInterval::DayToMinute),
57 "DAY TO SECOND" => Ok(PgInterval::DayToSecond),
58 "HOUR TO MINUTE" => Ok(PgInterval::HourToMinute),
59 "HOUR TO SECOND" => Ok(PgInterval::HourToSecond),
60 "MINUTE TO SECOND" => Ok(PgInterval::MinuteToSecond),
61 field => Err(format!(
62 "Cannot turn \"{field}\" into a Postgres interval field",
63 )),
64 }
65 }
66}