feat(queries): user membership (#2768)

* refactor(domain): add user type

* fix(projections): start with login names

* fix(login_policy): correct handling of user domain claimed event

* fix(projections): add members

* refactor: simplify member projections

* add migration for members

* add metadata to member projections

* refactor: login name projection

* fix: set correct suffixes on login name projections

* test(projections): login name reduces

* fix: correct cols in reduce member

* test(projections): org, iam, project members

* member additional cols and conds as opt,
add project grant members

* fix(migration): members

* fix(migration): correct database name

* migration version

* migs

* better naming for member cond and col

* split project and project grant members

* prepare member columns

* feat(queries): membership query

* test(queries): membership prepare

* fix(queries): multiple projections for latest sequence

* fix(api): use query for membership queries in auth and management

* fix(query): member queries and user avatar column

* member cols

* fix(queries): membership stmt

* fix user test

* fix user test

internal/query/search_query.go

@@ -46,6 +46,23 @@ type SearchQuery interface {
 	toQuery(sq.SelectBuilder) sq.SelectBuilder
 }
 
+type NotNullQuery struct {
+	Column Column
+}
+
+func NewNotNullQuery(col Column) (*NotNullQuery, error) {
+	if col.isZero() {
+		return nil, ErrMissingColumn
+	}
+	return &NotNullQuery{
+		Column: col,
+	}, nil
+}
+
+func (q *NotNullQuery) toQuery(query sq.SelectBuilder) sq.SelectBuilder {
+	return query.Where(sq.NotEq{q.Column.identifier(): nil})
+}
+
 type TextQuery struct {
 	Column  Column
 	Text    string