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support for session transaction and transaction snapshot. (#379)

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* add support for snapshot id in set transaction

Signed-off-by: poonai <rbalajis25@gmail.com>

* add support for default session transaction characteristics

Signed-off-by: poonai <rbalajis25@gmail.com>

* add additional assertion for parse_set_transaction test

Signed-off-by: poonai <rbalajis25@gmail.com>

* Fix clippy

Co-authored-by: Andrew Lamb <andrew@nerdnetworks.org>
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Poonai 2021-12-15 01:43:12 +05:30 • committed by GitHub
parent a81805ea30
commit 4c121a92a6
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5 changed files with 78 additions and 11 deletions
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22
tests/sqlparser_common.rs
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@ -3586,14 +3586,22 @@ fn parse_set_transaction() {
// TRANSACTION, so no need to duplicate the tests here. We just do a quick
// sanity check.
match verified_stmt("SET TRANSACTION READ ONLY, READ WRITE, ISOLATION LEVEL SERIALIZABLE") {
Statement::SetTransaction { modes } => assert_eq!(
Statement::SetTransaction {
modes,
vec![
TransactionMode::AccessMode(TransactionAccessMode::ReadOnly),
TransactionMode::AccessMode(TransactionAccessMode::ReadWrite),
TransactionMode::IsolationLevel(TransactionIsolationLevel::Serializable),
]
),
session,
snapshot,
} => {
assert_eq!(
modes,
vec![
TransactionMode::AccessMode(TransactionAccessMode::ReadOnly),
TransactionMode::AccessMode(TransactionAccessMode::ReadWrite),
TransactionMode::IsolationLevel(TransactionIsolationLevel::Serializable),
]
);
assert!(!session);
assert_eq!(snapshot, None);
}
_ => unreachable!(),
}
}