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add set time zone sometimezone as a exception while parsing keyword::set (#727)

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* add set time zone sometimezone as a exception while parsing keyword::set

* remove redundant parentheses

* add Statement::SetTimeZone

* delete useless comments
This commit is contained in:
Wei-Ting Kuo 2022-11-29 05:16:08 +08:00 • committed by GitHub
parent 10652b61b4
commit bae682255d
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9
src/parser.rs
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@ -4551,6 +4551,15 @@ impl<'a> Parser<'a> {
value: values,
});
}
} else if variable.to_string().eq_ignore_ascii_case("TIMEZONE") {
// for some db (e.g. postgresql), SET TIME ZONE <value> is an alias for SET TIMEZONE [TO|=] <value>
match self.parse_expr() {
Ok(expr) => Ok(Statement::SetTimeZone {
local: modifier == Some(Keyword::LOCAL),
value: expr,
}),
_ => self.expected("timezone value", self.peek_token())?,
}
} else if variable.to_string() == "CHARACTERISTICS" {
self.expect_keywords(&[Keyword::AS, Keyword::TRANSACTION])?;
Ok(Statement::SetTransaction {