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/* Copyright (c) 2013, 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 02110-1301, USA */
#ifndef _my_icp_h
#define _my_icp_h
#ifdef __cplusplus
extern "C" {
#endif
/**
Values returned by index_cond_func_xxx functions.
*/
typedef enum icp_result {
/** Index tuple doesn't satisfy the pushed index condition (the engine
should discard the tuple and go to the next one) */
ICP_NO_MATCH,
/** Index tuple satisfies the pushed index condition (the engine should
fetch and return the record) */
ICP_MATCH,
/** Index tuple is out of the range that we're scanning, e.g. if we're
scanning "t.key BETWEEN 10 AND 20" and got a "t.key=21" tuple (the engine
should stop scanning and return HA_ERR_END_OF_FILE right away). */
ICP_OUT_OF_RANGE
} ICP_RESULT;
#ifdef __cplusplus
}
#endif
#endif /* _my_icp_h */
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