diff options
Diffstat (limited to 'src/backend/executor/execdesc.h')
-rw-r--r-- | src/backend/executor/execdesc.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/backend/executor/execdesc.h b/src/backend/executor/execdesc.h new file mode 100644 index 00000000000..54752625f55 --- /dev/null +++ b/src/backend/executor/execdesc.h @@ -0,0 +1,38 @@ +/*------------------------------------------------------------------------- + * + * execdesc.h-- + * plan and query descriptor accessor macros used by the executor + * and related modules. + * + * + * Copyright (c) 1994, Regents of the University of California + * + * $Id: execdesc.h,v 1.1.1.1 1996/07/09 06:21:25 scrappy Exp $ + * + *------------------------------------------------------------------------- + */ +#ifndef EXECDESC_H +#define EXECDESC_H + +#include "nodes/parsenodes.h" +#include "nodes/plannodes.h" +#include "tcop/dest.h" + +/* ---------------- + * query descriptor: + * a QueryDesc encapsulates everything that the executor + * needs to execute the query + * --------------------- + */ +typedef struct QueryDesc { + CmdType operation; /* CMD_SELECT, CMD_UPDATE, etc. */ + Query *parsetree; + Plan *plantree; + CommandDest dest; /* the destination output of the execution */ +} QueryDesc; + +/* in pquery.c */ +extern QueryDesc *CreateQueryDesc(Query *parsetree, Plan *plantree, + CommandDest dest); + +#endif /* EXECDESC_H */ |