Trait AssignmentColumnCatalog 

pub trait AssignmentColumnCatalog {
    // Required methods
    fn try_describe_table(
        &self,
        table: &str,
    ) -> Result<Option<Vec<ColumnDef>>, ColumnCatalogError>;
    fn columns_declared(&self, table: &str) -> Result<bool, ColumnCatalogError>;
    fn try_column_insert_default_expr(
        &self,
        table: &str,
        column: &str,
    ) -> Result<Option<Expr>, ColumnCatalogError>;
}

Required Methods

fn try_describe_table( &self, table: &str, ) -> Result<Option<Vec<ColumnDef>>, ColumnCatalogError>

fn columns_declared(&self, table: &str) -> Result<bool, ColumnCatalogError>

fn try_column_insert_default_expr( &self, table: &str, column: &str, ) -> Result<Option<Expr>, ColumnCatalogError>

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors