chore: bump to 1.2.0

Signed-off-by: disqualifier <dev@disqualifier.me>

README.md

@@ -11,18 +11,18 @@ wire-compatible and share the driver, so this covers both.
 `requirements.txt`:
 
 ```
-mysql @ git+ssh://git@git.rethinkstudios.io/rethink-public/mysql.git@v1.0.0
+mysql @ git+ssh://git@git.rethinkstudios.io/rethink-public/mysql.git@v1.2.0
 ```
 
 Direct:
 
 ```bash
-pip install "mysql @ git+ssh://git@git.rethinkstudios.io/rethink-public/mysql.git@v1.0.0"
+pip install "mysql @ git+ssh://git@git.rethinkstudios.io/rethink-public/mysql.git@v1.2.0"
 ```
 
 Pulls `aiomysql` (which pulls `PyMySQL`).
 
-Drop the `@v1.0.0` suffix from the line above to install the latest unpinned.
+Drop the `@v1.2.0` suffix from the line above to install the latest unpinned.
 
 ## The two-layer API
 

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "mysql"
-version = "1.1.0"
+version = "1.2.0"
 description = "async mysql/mariadb wrapper over aiomysql: two-layer API (friendly verbs + raw escape hatch), fail-loud, config-free"
 requires-python = ">=3.10"
 dependencies = [

src/mysql/mysql.py

@@ -26,6 +26,7 @@ for anything not wrapped, use `.pool`.
 
 import asyncio
 import logging
+from contextlib import asynccontextmanager
 from typing import Any, Dict, List, Optional, Sequence
 
 import aiomysql
@@ -198,18 +199,20 @@ class MysqlDB:
     async def _run(self, query: str, params: Optional[Sequence] = None):
         """execute a statement on a pooled cursor; return (rowcount, lastrowid)
 
-        params go through `_norm_params` (see it for the no-substitution/str-bytes handling)
+        params are passed to aiomysql as-is: layer 1 always hands a list (even empty) so
+        `query % args` runs and collapses `_quote_ident`'s `%%`; layer 2 normalizes first
+        via `_norm_params`
         """
         async with self.pool.acquire() as conn:
             async with conn.cursor() as cur:
-                await cur.execute(query, _norm_params(params))
+                await cur.execute(query, params)
                 return cur.rowcount, cur.lastrowid
 
     async def _fetchall(self, query: str, params: Optional[Sequence] = None) -> List[dict]:
         """execute a query and return all rows as dicts"""
         async with self.pool.acquire() as conn:
             async with conn.cursor() as cur:
-                await cur.execute(query, _norm_params(params))
+                await cur.execute(query, params)
                 rows = await cur.fetchall()
                 return list(rows)
 
@@ -217,7 +220,7 @@ class MysqlDB:
         """execute a query and return the first row dict, or None"""
         async with self.pool.acquire() as conn:
             async with conn.cursor() as cur:
-                await cur.execute(query, _norm_params(params))
+                await cur.execute(query, params)
                 return await cur.fetchone()
 
     # -------------------------------------------------------------------------
@@ -230,7 +233,7 @@ class MysqlDB:
         lastrowid, or reach for the raw pool.
         """
         try:
-            rowcount, _ = await self._run(query, params)
+            rowcount, _ = await self._run(query, _norm_params(params))
         except _DRIVER_ERRORS:
             log.debug("mysql.execute(): %s", query, exc_info=True)
             raise
@@ -239,7 +242,7 @@ class MysqlDB:
     async def fetch(self, query: str, params: Optional[Sequence] = None) -> List[dict]:
         """run a query and return all rows as plain dicts (empty list = no rows)"""
         try:
-            return await self._fetchall(query, params)
+            return await self._fetchall(query, _norm_params(params))
         except _DRIVER_ERRORS:
             log.debug("mysql.fetch(): %s", query, exc_info=True)
             raise
@@ -247,7 +250,7 @@ class MysqlDB:
     async def fetchone(self, query: str, params: Optional[Sequence] = None) -> Optional[dict]:
         """run a query and return the first row as a dict, or None if no rows"""
         try:
-            return await self._fetchone(query, params)
+            return await self._fetchone(query, _norm_params(params))
         except _DRIVER_ERRORS:
             log.debug("mysql.fetchone(): %s", query, exc_info=True)
             raise
@@ -255,7 +258,7 @@ class MysqlDB:
     async def fetchval(self, query: str, params: Optional[Sequence] = None) -> Any:
         """run a query and return the first column of the first row, or None"""
         try:
-            row = await self._fetchone(query, params)
+            row = await self._fetchone(query, _norm_params(params))
         except _DRIVER_ERRORS:
             log.debug("mysql.fetchval(): %s", query, exc_info=True)
             raise
@@ -269,7 +272,7 @@ class MysqlDB:
         commits on clean exit, rolls back and re-raises on any error. `conn` is a raw
         aiomysql connection (autocommit disabled for the block).
         """
-        return _Transaction(self.pool)
+        return _transaction(self.pool)
 
     # -------------------------------------------------------------------------
     #   layer 1 - friendly portable verbs (identical to the psql lib)
@@ -398,39 +401,22 @@ class MysqlDB:
         return rowcount
 
 
-class _Transaction:
-    """async ctx mgr: acquire a pooled connection + run a transaction on it
+@asynccontextmanager
+async def _transaction(pool: aiomysql.Pool):
+    """acquire a pooled connection and run the block in a transaction on it
 
-    autocommit is disabled for the block so the statements commit together on clean
-    exit (or roll back on error).
+    begin() disables autocommit for the block; commit on clean exit, rollback + re-raise
+    on any error. the acquire context releases the connection on every path - including
+    a failed begin(), so a failed start never burns a pool slot
     """
-
-    def __init__(self, pool: aiomysql.Pool):
-        self._pool = pool
-        self._conn = None
-
-    async def __aenter__(self):
-        self._conn = await self._pool.acquire()
+    async with pool.acquire() as conn:
+        await conn.begin()
         try:
-            await self._conn.begin()
+            yield conn
         except BaseException:
-            # __aexit__ never runs if __aenter__ raises, so begin() failing after acquire
-            # would otherwise leak the pooled connection - release it here instead.
-            await self._pool.release(self._conn)
-            self._conn = None
+            await conn.rollback()
             raise
-        return self._conn
-
-    async def __aexit__(self, exc_type, exc, tb) -> None:
-        try:
-            if exc_type is None:
-                await self._conn.commit()
-            else:
-                await self._conn.rollback()
-        finally:
-            # release() returns a task (schedules a _wakeup); await it to avoid leaving
-            # it un-awaited each transaction, matching psql's and aiomysql's own idiom.
-            await self._pool.release(self._conn)
+        await conn.commit()
 
 
 def _where(conditions: Optional[Dict[str, Any]]) -> tuple: