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+/*****************************************************************************
+
+Copyright (c) 1997, 2016, Oracle and/or its affiliates. All Rights Reserved.
+
+This program is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software
+Foundation; version 2 of the License.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with
+this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA
+
+*****************************************************************************/
+
+/**************************************************//**
+@file include/eval0eval.h
+SQL evaluator: evaluates simple data structures, like expressions, in
+a query graph
+
+Created 12/29/1997 Heikki Tuuri
+*******************************************************/
+
+#ifndef eval0eval_h
+#define eval0eval_h
+
+#include "que0types.h"
+#include "pars0sym.h"
+#include "pars0pars.h"
+
+/*****************************************************************//**
+Free the buffer from global dynamic memory for a value of a que_node,
+if it has been allocated in the above function. The freeing for pushed
+column values is done in sel_col_prefetch_buf_free. */
+void
+eval_node_free_val_buf(
+/*===================*/
+	que_node_t*	node);	/*!< in: query graph node */
+/*****************************************************************//**
+Evaluates a symbol table symbol. */
+UNIV_INLINE
+void
+eval_sym(
+/*=====*/
+	sym_node_t*	sym_node);	/*!< in: symbol table node */
+/*****************************************************************//**
+Evaluates an expression. */
+UNIV_INLINE
+void
+eval_exp(
+/*=====*/
+	que_node_t*	exp_node);	/*!< in: expression */
+/*****************************************************************//**
+Sets an integer value as the value of an expression node. */
+UNIV_INLINE
+void
+eval_node_set_int_val(
+/*==================*/
+	que_node_t*	node,	/*!< in: expression node */
+	lint		val);	/*!< in: value to set */
+/*****************************************************************//**
+Gets an integer value from an expression node.
+@return integer value */
+UNIV_INLINE
+lint
+eval_node_get_int_val(
+/*==================*/
+	que_node_t*	node);	/*!< in: expression node */
+/*****************************************************************//**
+Copies a binary string value as the value of a query graph node. Allocates a
+new buffer if necessary. */
+UNIV_INLINE
+void
+eval_node_copy_and_alloc_val(
+/*=========================*/
+	que_node_t*	node,	/*!< in: query graph node */
+	const byte*	str,	/*!< in: binary string */
+	ulint		len);	/*!< in: string length or UNIV_SQL_NULL */
+/*****************************************************************//**
+Copies a query node value to another node. */
+UNIV_INLINE
+void
+eval_node_copy_val(
+/*===============*/
+	que_node_t*	node1,	/*!< in: node to copy to */
+	que_node_t*	node2);	/*!< in: node to copy from */
+/*****************************************************************//**
+Gets a iboolean value from a query node.
+@return iboolean value */
+UNIV_INLINE
+ibool
+eval_node_get_ibool_val(
+/*====================*/
+	que_node_t*	node);	/*!< in: query graph node */
+/*****************************************************************//**
+Evaluates a comparison node.
+@return the result of the comparison */
+ibool
+eval_cmp(
+/*=====*/
+	func_node_t*	cmp_node);	/*!< in: comparison node */
+
+
+#include "eval0eval.inl"
+
+#endif