pub fn string_agg<'a, V, E, D>(
expr: E,
delimiter: D,
) -> SQLExpr<'a, V, <V::DialectMarker as DialectTypes>::Text, Null, Agg>where
V: SQLParam + 'a,
V::DialectMarker: PostgresAggregateSupport,
E: Expr<'a, V>,
E::SQLType: Textual,
D: Expr<'a, V>,
D::SQLType: Textual,Expand description
STRING_AGG - concatenates text values using a delimiter (PostgreSQL).