Method doc_create_index

src/sql-pretty/src/doc.rs:507–568

(
        &'a self,
        v: &'a CreateIndexStatement<T>,
    )

    }

    pub(crate) fn doc_create_index<'a, T: AstInfo>(
        &'a self,
        v: &'a CreateIndexStatement<T>,
    ) -> RcDoc<'a> {
        let mut docs = Vec::new();

        // CREATE [DEFAULT] INDEX [IF NOT EXISTS] [name]
        let mut title = "CREATE".to_string();
        if v.key_parts.is_none() {
            title.push_str(" DEFAULT");
        }
        title.push_str(" INDEX");
        if v.if_not_exists {
            title.push_str(" IF NOT EXISTS");
        }

        if let Some(name) = &v.name {
            // A bare `in` index name re-lexes as the start of the optional
            // `IN CLUSTER` clause, so force it quoted (matching the
            // `CreateIndexStatement` AstDisplay impl). `in` is fine bare in a
            // required-name position, so this isn't a `can_be_printed_bare` case.
            let name_doc = if name.as_str().eq_ignore_ascii_case("in") {
                RcDoc::text(format!("\"{}\"", name.as_str()))
            } else {
                self.doc_display_pass(name)
            };
            docs.push(nest_title(title, name_doc));
        } else {
            docs.push(RcDoc::text(title));
        }

        // IN CLUSTER
        if let Some(cluster) = &v.in_cluster {
            docs.push(nest_title("IN CLUSTER", self.doc_display_pass(cluster)));
        }

        // ON table_name [(key_parts)]
        let on_clause = if let Some(key_parts) = &v.key_parts {
            nest(
                self.doc_display_pass(&v.on_name),
                bracket(
                    "(",
                    comma_separate(|k| self.doc_display_pass(k), key_parts),
                    ")",
                ),
            )
        } else {
            self.doc_display_pass(&v.on_name)
        };
        docs.push(nest_title("ON", on_clause));

        // WITH options
        if !v.with_options.is_empty() {
            docs.push(bracket(
                "WITH (",
                comma_separate(|wo| self.doc_display_pass(wo), &v.with_options),
                ")",
            ));