fix(perf): Update list and count (#487)

ponytailer · web-flow · commit 7d98f1221a8a · 2025-06-15T10:13:21.000-05:00
Return empty list  when count = 0
diff --git a/advanced_alchemy/repository/_async.py b/advanced_alchemy/repository/_async.py
@@ -1707,6 +1707,8 @@ async def _list_and_count_basic(
                 ),
             )
             count = count_result.scalar_one()
+            if count == 0:
+                return [], 0
             result = await self._execute(statement, uniquify=loader_options_have_wildcard)
             instances: list[ModelT] = []
             for (instance,) in result:
diff --git a/advanced_alchemy/repository/_sync.py b/advanced_alchemy/repository/_sync.py
@@ -1706,6 +1706,8 @@ def _list_and_count_basic(
                 ),
             )
             count = count_result.scalar_one()
+            if count == 0:
+                return [], 0
             result = self._execute(statement, uniquify=loader_options_have_wildcard)
             instances: list[ModelT] = []
             for (instance,) in result:

Original file line number	Diff line number	Diff line change
`@@ -1707,6 +1707,8 @@ async def _list_and_count_basic(`
`1707`	`1707`	`),`
`1708`	`1708`	`)`
`1709`	`1709`	`count = count_result.scalar_one()`
	`1710`	`+ if count == 0:`
	`1711`	`+ return [], 0`
`1710`	`1712`	`result = await self._execute(statement, uniquify=loader_options_have_wildcard)`
`1711`	`1713`	`instances: list[ModelT] = []`
`1712`	`1714`	`for (instance,) in result:`
Original file line number	Diff line number	Diff line change
`@@ -1706,6 +1706,8 @@ def _list_and_count_basic(`
`1706`	`1706`	`),`
`1707`	`1707`	`)`
`1708`	`1708`	`count = count_result.scalar_one()`
	`1709`	`+ if count == 0:`
	`1710`	`+ return [], 0`
`1709`	`1711`	`result = self._execute(statement, uniquify=loader_options_have_wildcard)`
`1710`	`1712`	`instances: list[ModelT] = []`
`1711`	`1713`	`for (instance,) in result:`