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Add program bootstrap completion utility for running modules #5615

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Add program bootstrap completion utility for running modules #5615

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13 changes: 13 additions & 0 deletions crates/engine/src/relational_db.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -469,6 +469,19 @@ impl RelationalDB {
Ok(self.with_read_only(Workload::Internal, |tx| self.inner.program(tx))?)
}

/// Obtain the module associated with this database and the transaction
/// offset visible to the read.
///
/// Waiting for the returned offset to become durable proves that the
/// `st_module` row observed by this read is durable.
pub fn program_with_tx_offset(&self) -> Result<(Option<Program>, TxOffset), DBError> {
self.with_read_only(Workload::Internal, |tx| {
let program = self.inner.program(tx)?;
let tx_offset = tx.tx_offset().into_inner().saturating_sub(1);
Ok((program, tx_offset))
})
}

/// Read the set of clients currently connected to the database.
pub fn connected_clients(&self) -> Result<ConnectedClients, DBError> {
self.with_read_only(Workload::Internal, |tx| {
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