make a start on a debugging function.

diff --git a/ext/pdo/pdo_stmt.c b/ext/pdo/pdo_stmt.c
index 1c316d25a3e2d9499aea4503921e32531edc7000..eb97860d683b607b50f527ef59749d6f23042039 100755 (executable)
--- a/ext/pdo/pdo_stmt.c
+++ b/ext/pdo/pdo_stmt.c
@@ -1776,6 +1776,48 @@ static PHP_METHOD(PDOStatement, closeCursor)
 }
 /* }}} */
 
+/* {{{ proto void PDOStatement::debugDumpParams()
+   A utility for internals hackers to debug parameter internals */
+static PHP_METHOD(PDOStatement, debugDumpParams)
+{
+       pdo_stmt_t *stmt = (pdo_stmt_t*)zend_object_store_get_object(getThis() TSRMLS_CC);
+       php_stream *out = php_stream_open_wrapper("php://output", "w", 0, NULL);
+       HashPosition pos;
+       struct pdo_bound_param_data *param;
+
+       php_stream_printf(out TSRMLS_CC, "SQL: [%d] %.*s\n",
+               stmt->query_stringlen,
+               stmt->query_stringlen, stmt->query_string);
+
+       php_stream_printf(out TSRMLS_CC, "Params:  %d\n",
+               stmt->bound_params ? zend_hash_num_elements(stmt->bound_params) : 0);
+       
+       if (stmt->bound_params) {
+               zend_hash_internal_pointer_reset_ex(stmt->bound_params, &pos);
+               while (SUCCESS == zend_hash_get_current_data_ex(stmt->bound_params,
+                               (void**)&param, &pos)) {
+                       char *str;
+                       uint len;
+                       ulong num;
+
+                       if (zend_hash_get_current_key_ex(stmt->bound_params, &str, &len, &num, 0, &pos) == HASH_KEY_IS_STRING) {
+                               php_stream_printf(out TSRMLS_CC, "Key: Position #%d:\n", num);
+                       } else {
+                               php_stream_printf(out TSRMLS_CC, "Key: Name: [%d] %.*s\n", len, len, str);
+                       }
+
+                       php_stream_printf(out TSRMLS_CC, "paramno=%d\nname=[%d] %.*s\nis_param=%d\nparam_type=%d\n",
+                               param->paramno, param->namelen, param->namelen, param->name,
+                               param->is_param,
+                               param->param_type);
+                       
+               }
+       }
+
+       php_stream_close(out);
+}
+/* }}} */
+
 
 function_entry pdo_dbstmt_functions[] = {
        PHP_ME(PDOStatement, execute,           NULL,                                   ZEND_ACC_PUBLIC)
@@ -1795,6 +1837,7 @@ function_entry pdo_dbstmt_functions[] = {
        PHP_ME(PDOStatement, setFetchMode,      NULL,                                   ZEND_ACC_PUBLIC)
        PHP_ME(PDOStatement, nextRowset,        NULL,                                   ZEND_ACC_PUBLIC)
        PHP_ME(PDOStatement, closeCursor,       NULL,                                   ZEND_ACC_PUBLIC)
+       PHP_ME(PDOStatement, debugDumpParams, NULL,                                     ZEND_ACC_PUBLIC)
        {NULL, NULL, NULL}
 };