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improvement: better sql error handling

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This commit is contained in:
Greg Heartsfield 2022-01-05 18:33:08 -05:00
parent 4e51e61d16
commit a3124ccea4
1 changed files with 8 additions and 8 deletions
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16
src/db.rs
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@ -417,8 +417,7 @@ pub async fn db_query(
let db_dir = &config.database.data_directory;
let full_path = Path::new(db_dir).join(DB_FILE);
let conn =
Connection::open_with_flags(&full_path, OpenFlags::SQLITE_OPEN_READ_ONLY).unwrap();
let conn = Connection::open_with_flags(&full_path, OpenFlags::SQLITE_OPEN_READ_ONLY)?;
debug!("opened database for reading");
debug!("going to query for: {:?}", sub);
let mut row_count: usize = 0;
@ -426,17 +425,16 @@ pub async fn db_query(
// generate SQL query
let q = query_from_sub(&sub);
// execute the query
let mut stmt = conn.prepare(&q).unwrap();
let mut event_rows = stmt.query([]).unwrap();
while let Some(row) = event_rows.next().unwrap() {
let mut stmt = conn.prepare(&q)?;
let mut event_rows = stmt.query([])?;
while let Some(row) = event_rows.next()? {
// check if this is still active (we could do this every N rows)
if abandon_query_rx.try_recv().is_ok() {
debug!("query aborted");
return;
return Ok(());
}
row_count += 1;
// TODO: check before unwrapping
let event_json = row.get(0).unwrap();
let event_json = row.get(0)?;
query_tx
.blocking_send(QueryResult {
sub_id: sub.get_id(),
@ -449,5 +447,7 @@ pub async fn db_query(
row_count,
start.elapsed()
);
let ok: Result<()> = Ok(());
return ok;
});
}