database-reflection 0.1.5

Database reflection library. Currently supporting only MariaDB and MySQL with InnoDB.
Documentation 
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use std::collections::HashMap;

pub trait WithMetadata {
    /// Borrow metadata container for reading
    fn get_metadata(&self) -> &HashMap<String, String>;

    /// Borrow metadata container for writing
    fn get_metadata_mut(&mut self) -> &mut HashMap<String, String>;

    /// Set metadata key value pair
    fn set_meta(&mut self, meta_key: impl ToString, meta_value: impl ToString) -> &mut Self {
        self.get_metadata_mut()
            .insert(meta_key.to_string(), meta_value.to_string());

        self
    }

    /// Set metadata flag
    fn set_meta_flag(&mut self, meta_flag: impl ToString) -> &mut Self {
        self.get_metadata_mut()
            .insert(meta_flag.to_string(), "1".to_string());

        self
    }

    /// Check if metadata flag is set
    fn meta_flag(&self, flag: &str) -> bool {
        self.get_metadata().contains_key(flag)
    }

    /// Get metadata value by key
    fn meta(&self, key: &str) -> Option<String> {
        self.get_metadata().get(key).cloned()
    }
}