7phs commented on code in PR #1576:
URL:
https://github.com/apache/datafusion-sqlparser-rs/pull/1576#discussion_r1873379618
##########
src/dialect/mod.rs:
##########
@@ -128,14 +128,23 @@ pub trait Dialect: Debug + Any {
ch == '"' || ch == '`'
}
- /// Return the character used to quote identifiers.
- fn identifier_quote_style(&self, _identifier: &str) -> Option<char> {
+ /// Determine if a character starts a potential nested quoted identifier.
+ /// RedShift support old way of quotation with `[` and it can cover even
nested quoted identifier.
+ fn is_nested_delimited_identifier_start(&self, _ch: char) -> bool {
+ false
+ }
+
+ /// Determine if nested quoted characters are presented
Review Comment:
Updated.
##########
src/dialect/mod.rs:
##########
@@ -128,14 +128,23 @@ pub trait Dialect: Debug + Any {
ch == '"' || ch == '`'
}
- /// Return the character used to quote identifiers.
- fn identifier_quote_style(&self, _identifier: &str) -> Option<char> {
+ /// Determine if a character starts a potential nested quoted identifier.
+ /// RedShift support old way of quotation with `[` and it can cover even
nested quoted identifier.
Review Comment:
Updated.
##########
src/dialect/redshift.rs:
##########
@@ -32,21 +32,36 @@ pub struct RedshiftSqlDialect {}
// in the Postgres dialect, the query will be parsed as an array, while in the
Redshift dialect it will
// be a json path
impl Dialect for RedshiftSqlDialect {
- fn is_delimited_identifier_start(&self, ch: char) -> bool {
- ch == '"' || ch == '['
+ fn is_nested_delimited_identifier_start(&self, ch: char) -> bool {
+ ch == '['
}
- /// Determine if quoted characters are proper for identifier
+ /// Determine if quoted characters are looks like special case of
quotation begining with `[`.
Review Comment:
Comments copied.
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