add missing files throughout the codebase (#102)

django-stubs/contrib/postgres/search.pyi

@@ -0,0 +1,47 @@
+from typing import Any, Dict, Optional, TypeVar, Union
+
+from django.db.models.expressions import Combinable, CombinedExpression, Func, Value
+from django.db.models.lookups import Lookup
+
+from django.db.models import Field
+
+class SearchVectorExact(Lookup): ...
+class SearchVectorField(Field): ...
+class SearchQueryField(Field): ...
+
+class SearchVectorCombinable:
+    ADD: str = ...
+
+class SearchVector(SearchVectorCombinable, Func):
+    config: Optional[Any] = None
+    def __init__(self, *expressions: Union[str, Combinable], **extra: Any): ...
+
+class CombinedSearchVector(SearchVectorCombinable, CombinedExpression):
+    def __init__(self, lhs, connector, rhs, config, output_field: Optional[Field, str] = ...): ...
+
+_T = TypeVar("_T", bound="SearchQueryCombinable")
+
+class SearchQueryCombinable:
+    BITAND: str = ...
+    BITOR: str = ...
+    def __or__(self: _T, other: SearchQueryCombinable) -> _T: ...
+    def __ror__(self: _T, other: SearchQueryCombinable) -> _T: ...
+    def __and__(self: _T, other: SearchQueryCombinable) -> _T: ...
+    def __rand__(self: _T, other: SearchQueryCombinable) -> _T: ...
+
+class SearchQuery(SearchQueryCombinable, Value):
+    SEARCH_TYPES: Dict[str, str] = {"plain": "plainto_tsquery", "phrase": "phraseto_tsquery", "raw": "to_tsquery"}
+    def __init__(self, value, output_field=None, *, config=None, invert=False, search_type="plain"): ...
+    def __invert__(self: _T) -> _T: ...
+
+class CombinedSearchQuery(SearchQueryCombinable, CombinedExpression):
+    def __init__(self, lhs, connector, rhs, config, output_field=None) -> None: ...
+
+class SearchRank(Func):
+    def __init__(self, vector, query, **extra: Any) -> None: ...
+
+class TrigramBase(Func):
+    def __init__(self, expression, string, **extra: Any) -> None: ...
+
+class TrigramSimilarity(TrigramBase): ...
+class TrigramDistance(TrigramBase): ...