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Draft for carray module in Rust

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Incomplete support for sqlite3_bind_pointer.
Make Context::set_result return a Result.
Add Values::get_array.
This commit is contained in:
gwenn
2018-06-10 12:16:54 +02:00
parent b89b574f81
commit fa64a4d0bf
10 changed files with 290 additions and 60 deletions
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18
src/vtab/csvtab.rs
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@@ -327,12 +327,10 @@ impl VTabCursor for CSVTabCursor {
)));
}
if self.cols.is_empty() {
ctx.set_result(&Null);
return Ok(());
return ctx.set_result(&Null);
}
// TODO Affinity
ctx.set_result(&self.cols[col as usize].to_owned());
Ok(())
ctx.set_result(&self.cols[col as usize].to_owned())
}
fn rowid(&self) -> Result<i64> {
Ok(self.row_number as i64)
@@ -365,7 +363,8 @@ mod test {
assert_eq!(vec!["rowid", "colA", "colB", "colC"], headers);
}
let ids: Result<Vec<i32>> = s.query_map(&[], |row| row.get::<i32, i32>(0))
let ids: Result<Vec<i32>> = s
.query_map(&[], |row| row.get::<i32, i32>(0))
.unwrap()
.collect();
let sum = ids.unwrap().iter().fold(0, |acc, &id| acc + id);
@@ -382,10 +381,11 @@ mod test {
.unwrap();
{
let mut s = db.prepare(
"SELECT v1.rowid, v1.* FROM vtab v1 NATURAL JOIN vtab v2 WHERE \
v1.rowid < v2.rowid",
).unwrap();
let mut s =
db.prepare(
"SELECT v1.rowid, v1.* FROM vtab v1 NATURAL JOIN vtab v2 WHERE \
v1.rowid < v2.rowid",
).unwrap();
let mut rows = s.query(&[]).unwrap();
let row = rows.next().unwrap().unwrap();