Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 138 insertions, 0 deletions

diff --git a/storage/innobase/include/row0sel.ic b/storage/innobase/include/row0sel.ic
new file mode 100644
index 00000000..7880605c
--- /dev/null
+++ b/storage/innobase/include/row0sel.ic
@@ -0,0 +1,138 @@
+/*****************************************************************************
+
+Copyright (c) 1997, 2014, 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/row0sel.ic
+Select
+
+Created 12/19/1997 Heikki Tuuri
+*******************************************************/
+
+#include "que0que.h"
+
+/*********************************************************************//**
+Gets the plan node for the nth table in a join.
+@return plan node */
+UNIV_INLINE
+plan_t*
+sel_node_get_nth_plan(
+/*==================*/
+	sel_node_t*	node,	/*!< in: select node */
+	ulint		i)	/*!< in: get ith plan node */
+{
+	ut_ad(i < node->n_tables);
+
+	return(node->plans + i);
+}
+
+/*********************************************************************//**
+Resets the cursor defined by sel_node to the SEL_NODE_OPEN state, which means
+that it will start fetching from the start of the result set again, regardless
+of where it was before, and it will set intention locks on the tables. */
+UNIV_INLINE
+void
+sel_node_reset_cursor(
+/*==================*/
+	sel_node_t*	node)	/*!< in: select node */
+{
+	node->state = SEL_NODE_OPEN;
+}
+
+/**********************************************************************//**
+Performs an execution step of an open or close cursor statement node.
+@return query thread to run next or NULL */
+UNIV_INLINE
+que_thr_t*
+open_step(
+/*======*/
+	que_thr_t*	thr)	/*!< in: query thread */
+{
+	sel_node_t*	sel_node;
+	open_node_t*	node;
+	ulint		err;
+
+	ut_ad(thr);
+
+	node = (open_node_t*) thr->run_node;
+	ut_ad(que_node_get_type(node) == QUE_NODE_OPEN);
+
+	sel_node = node->cursor_def;
+
+	err = DB_SUCCESS;
+
+	if (node->op_type == ROW_SEL_OPEN_CURSOR) {
+
+		/*		if (sel_node->state == SEL_NODE_CLOSED) { */
+
+		sel_node_reset_cursor(sel_node);
+		/*		} else {
+		err = DB_ERROR;
+		} */
+	} else {
+		if (sel_node->state != SEL_NODE_CLOSED) {
+
+			sel_node->state = SEL_NODE_CLOSED;
+		} else {
+			err = DB_ERROR;
+		}
+	}
+
+	if (err != DB_SUCCESS) {
+		/* SQL error detected */
+		fprintf(stderr, "SQL error %lu\n", (ulong) err);
+
+		ut_error;
+	}
+
+	thr->run_node = que_node_get_parent(node);
+
+	return(thr);
+}
+
+
+/** Searches for rows in the database. This is used in the interface to
+MySQL. This function opens a cursor, and also implements fetch next
+and fetch prev. NOTE that if we do a search with a full key value
+from a unique index (ROW_SEL_EXACT), then we will not store the cursor
+position and fetch next or fetch prev must not be tried to the cursor!
+
+@param[out]	buf		buffer for the fetched row in MySQL format
+@param[in]	mode		search mode PAGE_CUR_L
+@param[in,out]	prebuilt	prebuilt struct for the table handler;
+				this contains the info to search_tuple,
+				index; if search tuple contains 0 field then
+				we position the cursor at start or the end of
+				index, depending on 'mode'
+@param[in]	match_mode	0 or ROW_SEL_EXACT or ROW_SEL_EXACT_PREFIX
+@param[in]	direction	0 or ROW_SEL_NEXT or ROW_SEL_PREV;
+				Note: if this is != 0, then prebuilt must has a
+				pcur with stored position! In opening of a
+				cursor 'direction' should be 0.
+@return DB_SUCCESS, DB_RECORD_NOT_FOUND, DB_END_OF_INDEX, DB_DEADLOCK,
+DB_LOCK_TABLE_FULL, DB_CORRUPTION, or DB_TOO_BIG_RECORD */
+UNIV_INLINE
+dberr_t
+row_search_for_mysql(
+	byte*			buf,
+	page_cur_mode_t		mode,
+	row_prebuilt_t*		prebuilt,
+	ulint			match_mode,
+	ulint			direction)
+{
+	return(row_search_mvcc(buf, mode, prebuilt, match_mode, direction));
+}