Oops

src/types/jiff.rs

@@ -0,0 +1,137 @@
+//! Convert some `jiff` types.
+
+use jiff::civil::{Date, DateTime, Time};
+use std::str::FromStr;
+
+use crate::types::{FromSql, FromSqlError, FromSqlResult, ToSql, ToSqlOutput, ValueRef};
+use crate::Result;
+
+/// Gregorian calendar date => "YYYY-MM-DD"
+impl ToSql for Date {
+    #[inline]
+    fn to_sql(&self) -> Result<ToSqlOutput<'_>> {
+        let s = self.to_string();
+        Ok(ToSqlOutput::from(s))
+    }
+}
+
+/// "YYYY-MM-DD" => Gregorian calendar date.
+impl FromSql for Date {
+    #[inline]
+    fn column_result(value: ValueRef<'_>) -> FromSqlResult<Self> {
+        value.as_str().and_then(|s| match Date::from_str(s) {
+            Ok(d) => Ok(d),
+            Err(err) => Err(FromSqlError::Other(Box::new(err))),
+        })
+    }
+}
+/// time => "HH:MM:SS.SSS"
+impl ToSql for Time {
+    #[inline]
+    fn to_sql(&self) -> Result<ToSqlOutput<'_>> {
+        let date_str = self.to_string();
+        Ok(ToSqlOutput::from(date_str))
+    }
+}
+
+/// "HH:MM:SS.SSS" => time.
+impl FromSql for Time {
+    fn column_result(value: ValueRef<'_>) -> FromSqlResult<Self> {
+        value.as_str().and_then(|s| match Time::from_str(s) {
+            Ok(t) => Ok(t),
+            Err(err) => Err(FromSqlError::Other(Box::new(err))),
+        })
+    }
+}
+
+/// Gregorian datetime => "YYYY-MM-DDTHH:MM:SS.SSS"
+impl ToSql for DateTime {
+    #[inline]
+    fn to_sql(&self) -> Result<ToSqlOutput<'_>> {
+        let s = self.to_string();
+        Ok(ToSqlOutput::from(s))
+    }
+}
+
+/// "YYYY-MM-DDTHH:MM:SS.SSS" => Gregorian datetime.
+impl FromSql for DateTime {
+    fn column_result(value: ValueRef<'_>) -> FromSqlResult<Self> {
+        value.as_str().and_then(|s| match DateTime::from_str(s) {
+            Ok(dt) => Ok(dt),
+            Err(err) => Err(FromSqlError::Other(Box::new(err))),
+        })
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use crate::{Connection, Result};
+    use jiff::civil::{Date, DateTime, Time};
+
+    fn checked_memory_handle() -> Result<Connection> {
+        let db = Connection::open_in_memory()?;
+        db.execute_batch("CREATE TABLE foo (t TEXT, b BLOB)")?;
+        Ok(db)
+    }
+
+    #[test]
+    fn test_date() -> Result<()> {
+        let db = checked_memory_handle()?;
+        let date = Date::constant(2016, 2, 23);
+        db.execute("INSERT INTO foo (t) VALUES (?1)", [date])?;
+
+        let s: String = db.one_column("SELECT t FROM foo")?;
+        assert_eq!("2016-02-23", s);
+        let t: Date = db.one_column("SELECT t FROM foo")?;
+        assert_eq!(date, t);
+
+        db.execute("UPDATE foo set b = date(t)", [])?;
+        let t: Date = db.one_column("SELECT b FROM foo")?;
+        assert_eq!(date, t);
+
+        let r: Result<Date> = db.one_column("SELECT '2023-02-29'");
+        assert!(r.is_err());
+        Ok(())
+    }
+
+    #[test]
+    fn test_time() -> Result<()> {
+        let db = checked_memory_handle()?;
+        let time = Time::constant(23, 56, 4, 0);
+        db.execute("INSERT INTO foo (t) VALUES (?1)", [time])?;
+
+        let s: String = db.one_column("SELECT t FROM foo")?;
+        assert_eq!("23:56:04", s);
+        let v: Time = db.one_column("SELECT t FROM foo")?;
+        assert_eq!(time, v);
+
+        db.execute("UPDATE foo set b = time(t)", [])?;
+        let v: Time = db.one_column("SELECT b FROM foo")?;
+        assert_eq!(time, v);
+
+        let r: Result<Time> = db.one_column("SELECT '25:22:45'");
+        assert!(r.is_err());
+        Ok(())
+    }
+
+    #[test]
+    fn test_date_time() -> Result<()> {
+        let db = checked_memory_handle()?;
+        let dt = DateTime::constant(2016, 2, 23, 23, 56, 04, 0);
+
+        db.execute("INSERT INTO foo (t) VALUES (?1)", [dt])?;
+
+        let s: String = db.one_column("SELECT t FROM foo")?;
+        assert_eq!("2016-02-23T23:56:04", s);
+        let v: DateTime = db.one_column("SELECT t FROM foo")?;
+        assert_eq!(dt, v);
+
+        db.execute("UPDATE foo set b = datetime(t)", [])?;
+        let v: DateTime = db.one_column("SELECT b FROM foo")?;
+        assert_eq!(dt, v);
+
+        let r: Result<Time> = db.one_column("SELECT '2023-02-29T00:00:00'");
+        assert!(r.is_err());
+        Ok(())
+    }
+}