Disable statement cache for pyodbc and turbodbc dialects

For more details see also: * #190 * https://docs.sqlalchemy.org/en/14/core/connections.html#engine-thirdparty-caching * https://docs.sqlalchemy.org/en/14/faq/performance.html#why-is-my-application-slow-after-upgrading-to-1-4-and-or-2-x
exasol · Aug 16, 2022 · 420138f · 420138f
1 parent 509f67a
commit 420138f
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diff --git a/sqlalchemy_exasol/pyodbc.py b/sqlalchemy_exasol/pyodbc.py
@@ -25,6 +25,7 @@
 
 
 class EXADialect_pyodbc(EXADialect, PyODBCConnector):
+    supports_statement_cache = False
     execution_ctx_cls = EXAExecutionContext
 
     driver_version = None

diff --git a/sqlalchemy_exasol/turbodbc.py b/sqlalchemy_exasol/turbodbc.py
@@ -67,6 +67,7 @@ class EXADialect_turbodbc(EXADialect):
     driver = "turbodbc"
     driver_version = None
     server_version_info = None
+    supports_statement_cache = False
     supports_native_decimal = False
     supports_sane_multi_rowcount = False