Minor database-related fixes (#241)

Author: droserasprout

CHANGELOG.md

@@ -8,7 +8,9 @@ Please use [this](https://docs.gitlab.com/ee/development/changelog.html) documen
 
 * context: Fixed crash when calling `fire_hook` method.
 * context: Fixed `HookConfig.atomic` flag, which was ignored in `fire_hook` method.
-* index: Fixed loading handler callbacks from nested packages (@veqtor)
+* database: Create missing tables even if `Schema` model is present.
+* database: Fixed excess increasing of `decimal` context precision.
+* index: Fixed loading handler callbacks from nested packages ([@veqtor](https://github.com/veqtor)).
 
 ### Other
 

src/dipdup/dipdup.py

@@ -439,10 +439,11 @@ async def _initialize_schema(self) -> None:
             except KeyError:
                 await self._ctx.reindex(ReindexingReason.SCHEMA_HASH_MISMATCH)
 
+        # NOTE: Call even if Schema is present; there may be new tables
+        await generate_schema(conn, schema_name)
         schema_hash = get_schema_hash(conn)
 
         if self._schema is None:
-            await generate_schema(conn, schema_name)
             await self._ctx.fire_hook('on_reindex')
 
             self._schema = Schema(

src/dipdup/utils/database.py

@@ -114,11 +114,13 @@ def set_decimal_context(package: str) -> None:
     for _, model in iter_models(package):
         for field in model._meta.fields_map.values():
             if isinstance(field, DecimalField):
-                context.prec = max(context.prec, field.max_digits + field.max_digits)
-    if prec < context.prec:
-        _logger.warning('Decimal context precision has been updated: %s -> %s', prec, context.prec)
+                prec = max(prec, field.max_digits)
+
+    if context.prec < prec:
+        _logger.warning('Decimal context precision has been updated: %s -> %s', context.prec, prec)
+        context.prec = prec
         # NOTE: DefaultContext used for new threads
-        decimal.DefaultContext.prec = context.prec
+        decimal.DefaultContext.prec = prec
         decimal.setcontext(context)