Function parse_create_database

nodedb-sql/src/ddl_ast/parse/database/create.rs:10–41

(
    parts: &[&str],
    original: &str,
)

use super::with_options::parse_with_options;

pub(super) fn parse_create_database(
    parts: &[&str],
    original: &str,
) -> Result<NodedbStatement, SqlError> {
    let mut idx = 2usize; // skip CREATE DATABASE
    let if_not_exists = if parts.get(idx).map(|w| w.to_uppercase()).as_deref() == Some("IF")
        && parts.get(idx + 1).map(|w| w.to_uppercase()).as_deref() == Some("NOT")
        && parts.get(idx + 2).map(|w| w.to_uppercase()).as_deref() == Some("EXISTS")
    {
        idx += 3;
        true
    } else {
        false
    };

    let name = parts
        .get(idx)
        .copied()
        .ok_or_else(|| SqlError::Parse {
            detail: "CREATE DATABASE requires a name".into(),
        })?
        .to_string();
    let name = name.trim_matches('"').to_string();

    let options = parse_with_options(original);

    Ok(NodedbStatement::Database(DatabaseStmt::CreateDatabase {
        name,
        if_not_exists,
        options,
    }))
}

#[cfg(test)]
mod tests {