model

type Column struct {
	Name        string
	Description string
	// DataType is the native database type string exactly as reported by the
	// source catalog (e.g. "character varying(255)", "Nullable(String)"). The
	// typemap package normalises this into an OpenMetadata column data type while
	// preserving the original for display.
	DataType string
	Nullable bool
	// Ordinal is the 1-based position of the column within the table.
	Ordinal int
}

type Database struct {
	Name        string
	Description string
	Schemas     []*Schema
}

type Schema struct {
	Name        string
	Description string
	Tables      []*Table
}

type Service struct {
	Name        string // serviceName from config
	ServiceType string // OpenMetadata service type, e.g. "Postgres", "Mysql", "Clickhouse"
	Databases   []*Database
}

type Table struct {
	Name        string
	Description string
	IsView      bool
	Columns     []*Column
	// PrimaryKeys lists the column names participating in the primary key,
	// in key order. Empty when the table has no primary key.
	PrimaryKeys []string
}