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diff --git a/innobase/include/pars0opt.h b/innobase/include/pars0opt.h
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+/******************************************************
+Simple SQL optimizer
+
+(c) 1997 Innobase Oy
+
+Created 12/21/1997 Heikki Tuuri
+*******************************************************/
+
+#ifndef pars0opt_h
+#define pars0opt_h
+
+#include "univ.i"
+#include "que0types.h"
+#include "usr0types.h"
+#include "pars0sym.h"
+#include "dict0types.h"
+#include "row0sel.h"
+
+/***********************************************************************
+Optimizes a select. Decides which indexes to tables to use. The tables
+are accessed in the order that they were written to the FROM part in the
+select statement. */
+
+void
+opt_search_plan(
+/*============*/
+	sel_node_t*	sel_node);	/* in: parsed select node */
+/***********************************************************************
+Looks for occurrences of the columns of the table in the query subgraph and
+adds them to the list of columns if an occurrence of the same column does not
+already exist in the list. If the column is already in the list, puts a value
+indirection to point to the occurrence in the column list, except if the
+column occurrence we are looking at is in the column list, in which case
+nothing is done. */
+
+void
+opt_find_all_cols(
+/*==============*/
+	ibool		copy_val,	/* in: if TRUE, new found columns are
+					added as columns to copy */
+	dict_index_t*	index,		/* in: index to use */
+	sym_node_list_t* col_list,	/* in: base node of a list where
+					to add new found columns */
+	plan_t*		plan,		/* in: plan or NULL */
+	que_node_t*	exp);		/* in: expression or condition */
+/************************************************************************
+Prints info of a query plan. */
+
+void
+opt_print_query_plan(
+/*=================*/
+	sel_node_t*	sel_node);	/* in: select node */
+
+#ifndef UNIV_NONINL
+#include "pars0opt.ic"
+#endif
+
+#endif