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Binding errors #73

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d7f61a3
Binding errors should be more descriptive
NattyNarwhal Jul 16, 2026
95d006e
Additional logging for cases where SQL_ERROR is returned without a ch…
NattyNarwhal Jul 16, 2026
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16 changes: 10 additions & 6 deletions ibm_db2.c
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Original file line number Diff line number Diff line change
Expand Up @@ -4350,6 +4350,7 @@ static int _php_db2_bind_pad(param_node *curr, int nullterm, int isvarying, int

/* something went very wrong with heap */
if (Z_STRVAL_P(*data) == NULL ) {
php_error_docref(NULL, E_WARNING, "Pointer to string data for binding padding is null");
return SQL_ERROR;
}

Expand Down Expand Up @@ -4516,6 +4517,7 @@ static int _php_db2_bind_data( stmt_handle *stmt_res, param_node *curr, zval **b
break;

default:
php_error_docref(NULL, E_WARNING, "Unknown SQL data type %d used for binding", curr->data_type);
return SQL_ERROR;
}

Expand All @@ -4525,6 +4527,7 @@ static int _php_db2_bind_data( stmt_handle *stmt_res, param_node *curr, zval **b
if ( curr->param_type == DB2_PARAM_FILE) {
/* Only string types can be bound */
if ( ZEND_Z_TYPE_PP(bind_data) != IS_STRING) {
php_error_docref(NULL, E_WARNING, "Only string types can be bound, got %s", zend_zval_type_name(*bind_data));
return SQL_ERROR;
}
/* len = 0 */
Expand Down Expand Up @@ -4661,6 +4664,7 @@ static int _php_db2_bind_data( stmt_handle *stmt_res, param_node *curr, zval **b
break;

default:
php_error_docref(NULL, E_WARNING, "zval of type %s cannot be bound", zend_zval_type_name(curr->value));
return SQL_ERROR;
}
return rc;
Expand Down Expand Up @@ -4695,7 +4699,7 @@ static int _php_db2_execute_helper(stmt_handle *stmt_res, zval **data, int bind_
if (_php_db2_hash_find_ind(curr->varname, strlen(curr->varname), &temp, &bind_data, &symbol_table_used) != FAILURE ) {
rc = _php_db2_bind_data( stmt_res, curr, bind_data);
if ( rc == SQL_ERROR ) {
php_error_docref(NULL, E_WARNING, "Binding Error 1");
php_error_docref(NULL, E_WARNING, "Error binding $%s from cached parameters", curr->varname);
return rc;
}
curr = curr->next;
Expand Down Expand Up @@ -4729,7 +4733,7 @@ static int _php_db2_execute_helper(stmt_handle *stmt_res, zval **data, int bind_

rc = _php_db2_bind_data( stmt_res, curr, data);
if ( rc == SQL_ERROR ) {
php_error_docref(NULL, E_WARNING, "Binding Error 2");
php_error_docref(NULL, E_WARNING, "Error binding parameter number %d", param_no);
return rc;
}
} else {
Expand All @@ -4742,7 +4746,7 @@ static int _php_db2_execute_helper(stmt_handle *stmt_res, zval **data, int bind_
if ( curr != NULL ) {
rc = _php_db2_bind_data( stmt_res, curr, data);
if ( rc == SQL_ERROR ) {
php_error_docref(NULL, E_WARNING, "Binding Error 2");
php_error_docref(NULL, E_WARNING, "Error binding head cache node");
return rc;
}
stmt_res->current_node = curr->next;
Expand Down Expand Up @@ -4885,7 +4889,7 @@ PHP_FUNCTION(db2_execute)
*/
rc = _php_db2_execute_helper(stmt_res, data, 0, bind_params);
if ( rc == SQL_ERROR) {
php_error_docref(NULL, E_WARNING, "Binding Error");
php_error_docref(NULL, E_WARNING, "Error binding additional params in execute");
RETURN_FALSE;
}
/* Move array ptr forward */
Expand All @@ -4910,7 +4914,7 @@ PHP_FUNCTION(db2_execute)
/* And bind sequentially */
rc = _php_db2_execute_helper(stmt_res, NULL, 1, 0);
if ( rc == SQL_ERROR ) {
php_error_docref(NULL, E_WARNING, "Binding Error 3");
php_error_docref(NULL, E_WARNING, "Error binding params in execute");
RETURN_FALSE;
}
}
Expand Down Expand Up @@ -7847,7 +7851,7 @@ PHP_FUNCTION( db2_execute_many )
rc = SQLBindParameter(stmt_res->hstmt, curr->param_num, curr->param_type, valueType, curr->data_type, curr->param_size, curr->scale, (curr->value), 0, (SQLLEN *)&((curr->value)->value.lval));
}
if ( rc == SQL_ERROR ) {
sprintf(error, "Binding Error1 : %s", IBM_DB2_G(__php_stmt_err_msg));
sprintf(error, "Error binding params in execute many: %s", IBM_DB2_G(__php_stmt_err_msg));
_build_client_err_list(head_error_list, error);
err_count++;
break;
Expand Down
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