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Eval cache: Don't replace real attributes with placeholders

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This commit is contained in:
Eelco Dolstra 2020-04-18 15:12:31 +02:00
parent 69cb9f7eee
commit 3738bcb05e
1 changed files with 6 additions and 4 deletions
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10
src/nix/flake.cc
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@ -693,6 +693,7 @@ struct AttrDb
{
SQLite db;
SQLiteStmt insertAttribute;
SQLiteStmt insertPlaceholder;
SQLiteStmt queryAttribute;
SQLiteStmt queryAttributes;
std::unique_ptr<SQLiteTxn> txn;
@ -722,6 +723,9 @@ struct AttrDb
state->insertAttribute.create(state->db,
"insert or replace into Attributes(parent, name, type, value) values (?, ?, ?, ?)");
state->insertPlaceholder.create(state->db,
fmt("insert or ignore into Attributes(parent, name, type) values (?, ?, %d)", Placeholder));
state->queryAttribute.create(state->db,
"select rowid, type, value from Attributes where parent = ? and name = ?");
@ -758,11 +762,9 @@ struct AttrDb
assert(rowId);
for (auto & attr : attrs)
state->insertAttribute.use()
state->insertPlaceholder.use()
(rowId)
(attr)
(AttrType::Placeholder)
(0, false).exec();
(attr).exec();
return rowId;
}