Struct WindowFunctionInfo 

pub struct WindowFunctionInfo {
    pub name: String,
    pub arguments: Vec<Expression>,
    pub partition_by: Vec<String>,
    pub partition_by_exprs: Vec<Expression>,
    pub order_by: Vec<OrderByExpression>,
    pub frame: Option<WindowFrame>,
    pub column_name: String,
    pub is_distinct: bool,
}

Information about a window function call in a SELECT list

Fields

name: String

The window function name (ROW_NUMBER, RANK, etc.)

arguments: Vec<Expression>

Arguments to the function (for LEAD, LAG, NTILE)

partition_by: Vec<String>

Partition by column names (simple identifiers only, for fast-path lookups)

partition_by_exprs: Vec<Expression>

Original PARTITION BY expressions (includes function calls, complex exprs)

order_by: Vec<OrderByExpression>

Order by expressions

frame: Option<WindowFrame>

Window frame specification (e.g., ROWS BETWEEN 1 PRECEDING AND 1 FOLLOWING)

column_name: String

Result column name (may include alias)

is_distinct: bool

Whether DISTINCT was specified (for COUNT(DISTINCT col) OVER())

Trait Implementations

impl Clone for WindowFunctionInfo

fn clone(&self) -> WindowFunctionInfo

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for WindowFunctionInfo

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

Formats the value using the given formatter.