Function isSafeToPushIntoExistingSubquery

packages/db/src/query/optimizer.ts:1045–1057

(
  query: QueryIR,
  whereClause: BasicExpression<boolean>,
  outerAlias: string,
)

}

function isSafeToPushIntoExistingSubquery(
  query: QueryIR,
  whereClause: BasicExpression<boolean>,
  outerAlias: string,
): boolean {
  return !(
    unsafeSelect(query, whereClause, outerAlias) ||
    unsafeGroupBy(query) ||
    unsafeHaving(query) ||
    unsafeOrderBy(query) ||
    unsafeFnSelect(query)
  )
}

/**
 * Detects whether a SELECT projection contains any aggregate expressions.