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fix bug #55768 (PDO_OCI can't resume Oracle session after it's been killed)

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This commit is contained in:
Antony Dovgal 2011-09-27 09:12:13 +00:00
parent 3b4b1a79b6
commit 38d485ca41
1 changed files with 60 additions and 7 deletions
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67
ext/pdo_oci/oci_driver.c
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@ -141,12 +141,27 @@ ub4 _oci_error(OCIError *err, pdo_dbh_t *dbh, pdo_stmt_t *stmt, char *what, swor
case 12154: /* ORA-12154: TNS:could not resolve service name */
strcpy(*pdo_err, "42S02");
break;
case 22: /* ORA-00022: invalid session id */
case 1012: /* ORA-01012: */
case 3113: /* ORA-03133: end of file on communication channel */
case 604:
case 1041:
case 22: /* ORA-00022: invalid session id */
case 378:
case 602:
case 603:
case 604:
case 609:
case 1012: /* ORA-01012: */
case 1033:
case 1041:
case 1043:
case 1089:
case 1090:
case 1092:
case 3113: /* ORA-03133: end of file on communication channel */
case 3114:
case 3122:
case 3135:
case 12153:
case 27146:
case 28511:
/* consider the connection closed */
dbh->is_closed = 1;
H->attached = 0;
@ -516,6 +531,43 @@ static int oci_handle_get_attribute(pdo_dbh_t *dbh, long attr, zval *return_valu
}
/* }}} */
static int pdo_oci_check_liveness(pdo_dbh_t *dbh TSRMLS_DC) /* {{{ */
{
pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
sb4 error_code = 0;
char version[256];
/* TODO move attached check to PDO level */
if (H->attached == 0) {
return FAILURE;
}
/* TODO add persistent_timeout check at PDO level */
/* Use OCIPing instead of OCIServerVersion. If OCIPing returns ORA-1010 (invalid OCI operation)
* such as from Pre-10.1 servers, the error is still from the server and we would have
* successfully performed a roundtrip and validated the connection. Use OCIServerVersion for
* Pre-10.2 clients
*/
#if ((OCI_MAJOR_VERSION > 10) || ((OCI_MAJOR_VERSION == 10) && (OCI_MINOR_VERSION >= 2))) /* OCIPing available 10.2 onwards */
H->last_err = OCIPing (H->svc, H->err, OCI_DEFAULT);
#else
/* use good old OCIServerVersion() */
H->last_err = OCIServerVersion (H->svc, H->err, (text *)version, sizeof(version), OCI_HTYPE_SVCCTX);
#endif
if (H->last_err == OCI_SUCCESS) {
return SUCCESS;
}
OCIErrorGet (H->err, (ub4)1, NULL, &error_code, NULL, 0, OCI_HTYPE_ERROR);
if (error_code == 1010) {
return SUCCESS;
}
return FAILURE;
}
/* }}} */
static struct pdo_dbh_methods oci_methods = {
oci_handle_closer,
oci_handle_preparer,
@ -528,7 +580,7 @@ static struct pdo_dbh_methods oci_methods = {
NULL,
pdo_oci_fetch_error_func,
oci_handle_get_attribute,
NULL, /* check_liveness */
pdo_oci_check_liveness, /* check_liveness */
NULL /* get_driver_methods */
};
@ -675,6 +727,7 @@ static inline ub4 pdo_oci_sanitize_prefetch(long prefetch) /* {{{ */
}
/* }}} */
/*
* Local variables:
* tab-width: 4