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Fix comment about DELETE ... RETURNING

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This commit is contained in:
Jussi Saurio
2025-11-12 11:43:06 +02:00
parent da92982f41
commit cdf2f0d3c5
1 changed files with 4 additions and 4 deletions
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8
core/translate/delete.rs
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@@ -36,10 +36,10 @@ pub fn translate_delete(
);
}
// FIXME: SQLite's delete using Returning is complex. It scans the table in read mode first, building
// the result set, and only after that it opens the table for writing and deletes the rows. It
// also uses a couple of instructions that we don't implement yet (i.e.: RowSetAdd, RowSetRead,
// RowSetTest). So for now I'll just defer it altogether.
// FIXME: SQLite's DELETE ... RETURNING reads the table's rowids into a RowSet first,
// and only after that it opens the table for writing and deletes the rows. It uses
// a couple of instructions that we already implement (i.e.: RowSetAdd, RowSetRead,
// RowSetTest), but for now we don't have an implementation of DELETE ... RETURNING.
if !returning.is_empty() {
crate::bail_parse_error!("RETURNING currently not implemented for DELETE statements.");
}