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Ensure transaction does not deadlock in DEFINE statements

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This commit is contained in:
Tobie Morgan Hitchcock 2022-03-20 14:26:31 +00:00
parent f8b747374f
commit cb740dfcb0
1 changed files with 27 additions and 10 deletions
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37
lib/src/sql/statements/define.rs
View file

@ -166,9 +166,10 @@ impl DefineDatabaseStatement {
opt.check(Level::Ns)?;
// Clone transaction
let run = txn.clone();
// Claim transaction
let mut run = run.lock().await;
// Process the statement
let key = crate::key::db::new(opt.ns(), &self.name);
let mut run = run.lock().await;
run.add_ns(opt.ns()).await?;
run.set(key, self).await?;
// Ok all good
@ -222,9 +223,10 @@ impl DefineLoginStatement {
opt.check(Level::Kv)?;
// Clone transaction
let run = txn.clone();
// Claim transaction
let mut run = run.lock().await;
// Process the statement
let key = crate::key::nl::new(opt.ns(), &self.name);
let mut run = run.lock().await;
run.add_ns(opt.ns()).await?;
run.set(key, self).await?;
// Ok all good
@ -235,9 +237,10 @@ impl DefineLoginStatement {
opt.check(Level::Ns)?;
// Clone transaction
let run = txn.clone();
// Claim transaction
let mut run = run.lock().await;
// Process the statement
let key = crate::key::dl::new(opt.ns(), opt.db(), &self.name);
let mut run = run.lock().await;
run.add_ns(opt.ns()).await?;
run.add_db(opt.ns(), opt.db()).await?;
run.set(key, self).await?;
@ -339,9 +342,10 @@ impl DefineTokenStatement {
opt.check(Level::Kv)?;
// Clone transaction
let run = txn.clone();
// Claim transaction
let mut run = run.lock().await;
// Process the statement
let key = crate::key::nt::new(opt.ns(), &self.name);
let mut run = run.lock().await;
run.add_ns(opt.ns()).await?;
run.set(key, self).await?;
// Ok all good
@ -352,9 +356,10 @@ impl DefineTokenStatement {
opt.check(Level::Ns)?;
// Clone transaction
let run = txn.clone();
// Claim transaction
let mut run = run.lock().await;
// Process the statement
let key = crate::key::dt::new(opt.ns(), opt.db(), &self.name);
let mut run = run.lock().await;
run.add_ns(opt.ns()).await?;
run.add_db(opt.ns(), opt.db()).await?;
run.set(key, self).await?;
@ -431,9 +436,10 @@ impl DefineScopeStatement {
opt.check(Level::Db)?;
// Clone transaction
let run = txn.clone();
// Claim transaction
let mut run = run.lock().await;
// Process the statement
let key = crate::key::sc::new(opt.ns(), opt.db(), &self.name);
let mut run = run.lock().await;
run.add_ns(opt.ns()).await?;
run.add_db(opt.ns(), opt.db()).await?;
run.set(key, self).await?;
@ -566,9 +572,10 @@ impl DefineTableStatement {
opt.check(Level::Db)?;
// Clone transaction
let run = txn.clone();
// Claim transaction
let mut run = run.lock().await;
// Process the statement
let key = crate::key::tb::new(opt.ns(), opt.db(), &self.name);
let mut run = run.lock().await;
run.add_ns(opt.ns()).await?;
run.add_db(opt.ns(), opt.db()).await?;
run.set(key, self).await?;
@ -582,6 +589,11 @@ impl DefineTableStatement {
// Save the view config
let key = crate::key::ft::new(opt.ns(), opt.db(), &v.name, &self.name);
run.set(key, self).await?;
}
// Release the transaction
drop(run);
// Process each foreign table
for v in view.what.0.iter() {
// Process the view data
let stm = UpdateStatement {
what: Values(vec![Value::Table(v.clone())]),
@ -723,9 +735,10 @@ impl DefineEventStatement {
opt.check(Level::Db)?;
// Clone transaction
let run = txn.clone();
// Claim transaction
let mut run = run.lock().await;
// Process the statement
let key = crate::key::ev::new(opt.ns(), opt.db(), &self.what, &self.name);
let mut run = run.lock().await;
run.add_ns(opt.ns()).await?;
run.add_db(opt.ns(), opt.db()).await?;
run.add_tb(opt.ns(), opt.db(), &self.what).await?;
@ -802,9 +815,10 @@ impl DefineFieldStatement {
opt.check(Level::Db)?;
// Clone transaction
let run = txn.clone();
// Claim transaction
let mut run = run.lock().await;
// Process the statement
let key = crate::key::fd::new(opt.ns(), opt.db(), &self.what, &self.name.to_string());
let mut run = run.lock().await;
run.add_ns(opt.ns()).await?;
run.add_db(opt.ns(), opt.db()).await?;
run.add_tb(opt.ns(), opt.db(), &self.what).await?;
@ -950,9 +964,10 @@ impl DefineIndexStatement {
opt.check(Level::Db)?;
// Clone transaction
let run = txn.clone();
// Claim transaction
let mut run = run.lock().await;
// Process the statement
let key = crate::key::ix::new(opt.ns(), opt.db(), &self.what, &self.name);
let mut run = run.lock().await;
run.add_ns(opt.ns()).await?;
run.add_db(opt.ns(), opt.db()).await?;
run.add_tb(opt.ns(), opt.db(), &self.what).await?;
@ -960,6 +975,8 @@ impl DefineIndexStatement {
// Remove the index data
let key = crate::key::index::new(opt.ns(), opt.db(), &self.what, &self.name, Value::None);
run.delp(key, u32::MAX).await?;
// Release the transaction
drop(run);
// Update the index data
let stm = UpdateStatement {
what: Values(vec![Value::Table(self.what.clone().into())]),