Type Alias PbColumnDesc 

pub type PbColumnDesc = ColumnDesc;

Aliased Type

pub struct PbColumnDesc {
    pub column_type: Option<DataType>,
    pub column_id: i32,
    pub name: String,
    pub description: Option<String>,
    pub additional_column_type: i32,
    pub version: i32,
    pub additional_column: Option<AdditionalColumn>,
    pub nullable: Option<bool>,
    pub generated_or_default_column: Option<GeneratedOrDefaultColumn>,
}

Fields

column_type: Option<DataType>

column_id: i32

name: String

we store the column name in column desc now just for debug, but in future we should store it in ColumnCatalog but not here

description: Option<String>

This field is used to store the description set by the comment on clause.

additional_column_type: i32

deprecated, use AdditionalColumn instead, keep for compatibility with v1.6.x

version: i32

additional_column: Option<AdditionalColumn>

nullable: Option<bool>

generated_or_default_column: Option<GeneratedOrDefaultColumn>

Optional description for the generated column or default value.