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Support UPDATE ... FROM ( subquery ) in some dialects (#694)

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* Apply UPDATE SET FROM statement for some dialects

* Add GenericDialect to support

* Test SnowflakeDialect

Co-authored-by: Andrew Lamb <andrew@nerdnetworks.org>
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unvalley 2022-11-12 06:37:09 +09:00 • committed by GitHub
parent 0d91662c88
commit 4b1dc1abf7
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3 changed files with 94 additions and 82 deletions
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4
src/parser.rs
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@ -5254,7 +5254,9 @@ impl<'a> Parser<'a> {
let table = self.parse_table_and_joins()?;
self.expect_keyword(Keyword::SET)?;
let assignments = self.parse_comma_separated(Parser::parse_assignment)?;
let from = if self.parse_keyword(Keyword::FROM) && dialect_of!(self is PostgreSqlDialect) {
let from = if self.parse_keyword(Keyword::FROM)
&& dialect_of!(self is GenericDialect | PostgreSqlDialect | BigQueryDialect | SnowflakeDialect | RedshiftSqlDialect | MsSqlDialect)
{
Some(self.parse_table_and_joins()?)
} else {
None