Disable support added in Oracle Client 23ai for connection pool ping

intervals since this functionality is already available in ODPI-C.

doc/src/releasenotes.rst

@@ -11,6 +11,8 @@ Version 5.4.0 (TBD)
     libraries by ensuring that the mode indicating bound REF CURSOR statement
     handles are never re-used is only enabled with Oracle Client libraries 23.6
     and higher.
+#)  Disable support added in Oracle Client 23ai for connection pool ping
+    intervals since this functionality is already available in ODPI-C.
 
 
 Version 5.3 (July 23, 2024)

src/dpiImpl.h

@@ -358,6 +358,7 @@ extern unsigned long dpiDebugLevel;
 #define DPI_OCI_ATTR_IAM_PRIVKEY                    637
 #define DPI_OCI_ATTR_TOKEN_CBK                      638
 #define DPI_OCI_ATTR_TOKEN_CBKCTX                   639
+#define DPI_OCI_ATTR_PING_INTERVAL                  655
 #define DPI_OCI_ATTR_TOKEN_ISBEARER                 657
 #define DPI_OCI_ATTR_DOMAIN_SCHEMA                  659
 #define DPI_OCI_ATTR_DOMAIN_NAME                    660

src/dpiPool.c

@@ -112,6 +112,7 @@ static int dpiPool__create(dpiPool *pool, const char *userName,
         const dpiCommonCreateParams *commonParams,
         dpiPoolCreateParams *createParams, dpiError *error)
 {
+    int32_t pingInterval;
     uint32_t poolMode;
     uint8_t getMode;
     void *authInfo;
@@ -245,6 +246,16 @@ static int dpiPool__create(dpiPool *pool, const char *userName,
             error) < 0)
         return DPI_FAILURE;
 
+    // disable ping interval in Oracle Database 23ai since it does not handle
+    // ping timeout yet
+    if (pool->env->versionInfo->versionNum >= 23) {
+        pingInterval = -1;
+        if (dpiOci__attrSet(pool->handle, DPI_OCI_HTYPE_SPOOL,
+                (void*) &pingInterval, 0, DPI_OCI_ATTR_PING_INTERVAL,
+                "disable ping interval", error) < 0)
+            return DPI_FAILURE;
+    }
+
     // set remaining attributes directly
     pool->homogeneous = createParams->homogeneous;
     pool->externalAuth = createParams->externalAuth;