From 39e44b1985602ac05288c3eafa65e0cead661209 Mon Sep 17 00:00:00 2001
From: collerek <collerek@gmail.com>
Date: Sun, 9 Aug 2020 06:24:22 +0200
Subject: [PATCH] add dialect to compilation of sqlalchemy clauses

---
 .coverage       | Bin 53248 -> 53248 bytes
 orm/__init__.py |   1 +
 orm/models.py   |   4 ++++
 orm/queryset.py |   3 ++-
 4 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/.coverage b/.coverage
index 1cc206f5c0dcc201cc45878a1905994243a1dd21..c907f3e5af7db5ef5c792c69402959e4bfe2988f 100644
GIT binary patch
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delta 95
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diff --git a/orm/__init__.py b/orm/__init__.py
index a0acd43..1ceb7b0 100644
--- a/orm/__init__.py
+++ b/orm/__init__.py
@@ -3,6 +3,7 @@ from orm.fields import Integer, BigInteger, Boolean, Time, Text, String, JSON, D
 from orm.models import Model
 from orm.exceptions import ModelDefinitionError, MultipleMatches, NoMatch, ModelNotSet
 
+__version__ = "0.0.1"
 __all__ = [
     "Integer",
     "BigInteger",
diff --git a/orm/models.py b/orm/models.py
index 0d2ff0e..b3f7d78 100644
--- a/orm/models.py
+++ b/orm/models.py
@@ -5,6 +5,7 @@ import uuid
 from typing import Any, List, Type, TYPE_CHECKING, Optional, TypeVar, Tuple
 from typing import Set, Dict
 
+import databases
 import pydantic
 import sqlalchemy
 from pydantic import BaseModel, BaseConfig, create_model
@@ -107,6 +108,9 @@ class Model(list, metaclass=ModelMetaclass):
         __fields__: Dict[str, pydantic.fields.ModelField]
         __pydantic_model__: Type[BaseModel]
         __pkname__: str
+        __tablename__: str
+        __metadata__: sqlalchemy.MetaData
+        __database__: databases.Database
         _orm_relationship_manager: RelationshipManager
 
     objects = qry.QuerySet()
diff --git a/orm/queryset.py b/orm/queryset.py
index 95ad8f6..63ba69a 100644
--- a/orm/queryset.py
+++ b/orm/queryset.py
@@ -262,7 +262,8 @@ class QuerySet:
             clause = getattr(column, op_attr)(value)
             clause.modifiers['escape'] = '\\' if has_escaped_character else None
 
-            clause_text = str(clause.compile(compile_kwargs={"literal_binds": True}))
+            clause_text = str(clause.compile(dialect=self.model_cls.__database__._backend._dialect,
+                                             compile_kwargs={"literal_binds": True}))
             alias = f'{table_prefix}_' if table_prefix else ''
             aliased_name = f'{alias}{table.name}.{column.name}'
             clause_text = clause_text.replace(f'{table.name}.{column.name}', aliased_name)