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Introduce RowIndex trait (like in rust-postgres)

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This commit is contained in:
gwenn
2016-01-02 12:13:37 +01:00
parent 38cf8d597b
commit 12f26e78b3
6 changed files with 126 additions and 72 deletions
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28
src/functions.rs
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@@ -43,8 +43,8 @@
//! let db = Connection::open_in_memory().unwrap();
//! add_regexp_function(&db).unwrap();
//!
//! let is_match = db.query_row("SELECT regexp('[aeiou]*', 'aaaaeeeiii')", &[],
//! |row| row.get::<bool>(0)).unwrap();
//! let is_match: bool = db.query_row("SELECT regexp('[aeiou]*', 'aaaaeeeiii')", &[],
//! |row| row.get(0)).unwrap();
//!
//! assert!(is_match);
//! }
@@ -354,7 +354,7 @@ impl Connection {
/// Ok(value / 2f64)
/// }));
///
/// let six_halved = try!(db.query_row("SELECT halve(6)", &[], |r| r.get::<f64>(0)));
/// let six_halved: f64 = try!(db.query_row("SELECT halve(6)", &[], |r| r.get(0)));
/// assert_eq!(six_halved, 3f64);
/// Ok(())
/// }
@@ -485,7 +485,7 @@ mod test {
fn test_function_half() {
let db = Connection::open_in_memory().unwrap();
db.create_scalar_function("half", 1, true, half).unwrap();
let result = db.query_row("SELECT half(6)", &[], |r| r.get::<f64>(0));
let result: Result<f64> = db.query_row("SELECT half(6)", &[], |r| r.get(0));
assert_eq!(3f64, result.unwrap());
}
@@ -494,11 +494,11 @@ mod test {
fn test_remove_function() {
let db = Connection::open_in_memory().unwrap();
db.create_scalar_function("half", 1, true, half).unwrap();
let result = db.query_row("SELECT half(6)", &[], |r| r.get::<f64>(0));
let result: Result<f64> = db.query_row("SELECT half(6)", &[], |r| r.get(0));
assert_eq!(3f64, result.unwrap());
db.remove_function("half", 1).unwrap();
let result = db.query_row("SELECT half(6)", &[], |r| r.get::<f64>(0));
let result: Result<f64> = db.query_row("SELECT half(6)", &[], |r| r.get(0));
assert!(result.is_err());
}
@@ -546,15 +546,15 @@ mod test {
END;").unwrap();
db.create_scalar_function("regexp", 2, true, regexp_with_auxilliary).unwrap();
let result = db.query_row("SELECT regexp('l.s[aeiouy]', 'lisa')",
let result: Result<bool> = db.query_row("SELECT regexp('l.s[aeiouy]', 'lisa')",
&[],
|r| r.get::<bool>(0));
|r| r.get(0));
assert_eq!(true, result.unwrap());
let result = db.query_row("SELECT COUNT(*) FROM foo WHERE regexp('l.s[aeiouy]', x) == 1",
let result: Result<i64> = db.query_row("SELECT COUNT(*) FROM foo WHERE regexp('l.s[aeiouy]', x) == 1",
&[],
|r| r.get::<i64>(0));
|r| r.get(0));
assert_eq!(2, result.unwrap());
}
@@ -596,15 +596,15 @@ mod test {
Ok(regex.is_match(&text))
}).unwrap();
let result = db.query_row("SELECT regexp('l.s[aeiouy]', 'lisa')",
let result: Result<bool> = db.query_row("SELECT regexp('l.s[aeiouy]', 'lisa')",
&[],
|r| r.get::<bool>(0));
|r| r.get(0));
assert_eq!(true, result.unwrap());
let result = db.query_row("SELECT COUNT(*) FROM foo WHERE regexp('l.s[aeiouy]', x) == 1",
let result: Result<i64> = db.query_row("SELECT COUNT(*) FROM foo WHERE regexp('l.s[aeiouy]', x) == 1",
&[],
|r| r.get::<i64>(0));
|r| r.get(0));
assert_eq!(2, result.unwrap());
}