greenplumn orca 源码
greenplumn orca 代码
文件路径：/src/include/optimizer/orca.h
/*-------------------------------------------------------------------------
*
* orca.h
* prototypes for the ORCA query planner
*
*
* Portions Copyright (c) 2010-Present, VMware, Inc. or its affiliates
* Portions Copyright (c) 2005-2009, Greenplum inc
* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* src/include/optimizer/orca.h
*
*-------------------------------------------------------------------------
*/
#ifndef ORCA_H
#define ORCA_H
#include "pg_config.h"
#ifdef USE_ORCA
extern PlannedStmt * optimize_query(Query *parse, int cursorOptions, ParamListInfo boundParams);
#else
/* Keep compilers quiet in case the build used --disable-orca */
static PlannedStmt *
optimize_query(Query *parse, int cursorOptions, ParamListInfo boundParams)
{
Assert(false);
return NULL;
}
#endif
#endif /* ORCA_H */
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