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Add support for DEFERRED, IMMEDIATE, and EXCLUSIVE in SQLite's BEGIN TRANSACTION command (#1067)

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Takahiro Ebato 2023-12-21 06:00:12 +09:00 • committed by GitHub
parent 40bc407799
commit 1baec96685
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7 changed files with 94 additions and 2 deletions
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13
src/parser/mod.rs
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@ -7961,14 +7961,27 @@ impl<'a> Parser<'a> {
Ok(Statement::StartTransaction {
modes: self.parse_transaction_modes()?,
begin: false,
modifier: None,
})
}
pub fn parse_begin(&mut self) -> Result<Statement, ParserError> {
let modifier = if !self.dialect.supports_start_transaction_modifier() {
None
} else if self.parse_keyword(Keyword::DEFERRED) {
Some(TransactionModifier::Deferred)
} else if self.parse_keyword(Keyword::IMMEDIATE) {
Some(TransactionModifier::Immediate)
} else if self.parse_keyword(Keyword::EXCLUSIVE) {
Some(TransactionModifier::Exclusive)
} else {
None
};
let _ = self.parse_one_of_keywords(&[Keyword::TRANSACTION, Keyword::WORK]);
Ok(Statement::StartTransaction {
modes: self.parse_transaction_modes()?,
begin: true,
modifier,
})
}