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Redshift alter column type no set (#1912)

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Yoav Cohen 2025-07-03 18:16:21 +02:00 • committed by GitHub
parent a3398223d7
commit 015caca611
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7 changed files with 59 additions and 28 deletions
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30
src/parser/mod.rs
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@ -8734,16 +8734,10 @@ impl<'a> Parser<'a> {
}
} else if self.parse_keywords(&[Keyword::DROP, Keyword::DEFAULT]) {
AlterColumnOperation::DropDefault {}
} else if self.parse_keywords(&[Keyword::SET, Keyword::DATA, Keyword::TYPE])
|| (is_postgresql && self.parse_keyword(Keyword::TYPE))
{
let data_type = self.parse_data_type()?;
let using = if is_postgresql && self.parse_keyword(Keyword::USING) {
Some(self.parse_expr()?)
} else {
None
};
AlterColumnOperation::SetDataType { data_type, using }
} else if self.parse_keywords(&[Keyword::SET, Keyword::DATA, Keyword::TYPE]) {
self.parse_set_data_type(true)?
} else if self.parse_keyword(Keyword::TYPE) {
self.parse_set_data_type(false)?
} else if self.parse_keywords(&[Keyword::ADD, Keyword::GENERATED]) {
let generated_as = if self.parse_keyword(Keyword::ALWAYS) {
Some(GeneratedAs::Always)
@ -8909,6 +8903,22 @@ impl<'a> Parser<'a> {
Ok(operation)
}
fn parse_set_data_type(&mut self, had_set: bool) -> Result<AlterColumnOperation, ParserError> {
let data_type = self.parse_data_type()?;
let using = if self.dialect.supports_alter_column_type_using()
&& self.parse_keyword(Keyword::USING)
{
Some(self.parse_expr()?)
} else {
None
};
Ok(AlterColumnOperation::SetDataType {
data_type,
using,
had_set,
})
}
fn parse_part_or_partition(&mut self) -> Result<Partition, ParserError> {
let keyword = self.expect_one_of_keywords(&[Keyword::PART, Keyword::PARTITION])?;
match keyword {