Struct FactTableDeclaration 

pub struct FactTableDeclaration {
    pub name: String,
    pub measures: Vec<String>,
    pub dimensions: Vec<String>,
    pub primary_key: String,
    pub metadata: Option<FactTableDeclarationMetadata>,
}

Explicit fact table schema declaration

Allows users to explicitly declare fact table metadata instead of relying on auto-detection. Explicit declarations take precedence over auto-detected metadata.

Example

{
  "name": "tf_sales",
  "measures": ["amount", "quantity", "discount"],
  "dimensions": ["product_id", "region_id", "date_id"],
  "primary_key": "id",
  "metadata": {
    "aggregation_strategy": "incremental",
    "grain": ["date", "product", "region"]
  }
}

Fields

name: String

Fact table name (e.g., “tf_sales”)

measures: Vec<String>

Measure column names (aggregatable numeric fields)

dimensions: Vec<String>

Dimension column names or paths within JSONB

primary_key: String

Primary key column name

metadata: Option<FactTableDeclarationMetadata>

Optional metadata about the fact table

Trait Implementations

impl Clone for FactTableDeclaration

fn clone(&self) -> FactTableDeclaration

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for FactTableDeclaration

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for FactTableDeclaration

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for FactTableDeclaration

fn eq(&self, other: &FactTableDeclaration) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for FactTableDeclaration

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for FactTableDeclaration