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Diffstat (limited to 'src/backend/executor/execdefs.h')
| -rw-r--r-- | src/backend/executor/execdefs.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/backend/executor/execdefs.h b/src/backend/executor/execdefs.h new file mode 100644 index 00000000000..5aec485c95c --- /dev/null +++ b/src/backend/executor/execdefs.h @@ -0,0 +1,54 @@ +/*------------------------------------------------------------------------- + * + * execdefs.h-- + * + * + * + * Copyright (c) 1994, Regents of the University of California + * + * $Id: execdefs.h,v 1.1.1.1 1996/07/09 06:21:25 scrappy Exp $ + * + *------------------------------------------------------------------------- + */ +#ifndef EXECDEFS_H +#define EXECDEFS_H + +/* ---------------- + * executor scan direction definitions + * ---------------- + */ +#define EXEC_FRWD 1 /* Scan forward */ +#define EXEC_BKWD -1 /* Scan backward */ + +/* ---------------- + * ExecutePlan() tuplecount definitions + * ---------------- + */ +#define ALL_TUPLES 0 /* return all tuples */ +#define ONE_TUPLE 1 /* return only one tuple */ + +/* ---------------- + * constants used by ExecMain + * ---------------- + */ +#define EXEC_RUN 3 +#define EXEC_FOR 4 +#define EXEC_BACK 5 +#define EXEC_RETONE 6 +#define EXEC_RESULT 7 + +/* ---------------- + * Merge Join states + * ---------------- + */ +#define EXEC_MJ_INITIALIZE 1 +#define EXEC_MJ_JOINMARK 2 +#define EXEC_MJ_JOINTEST 3 +#define EXEC_MJ_JOINTUPLES 4 +#define EXEC_MJ_NEXTOUTER 5 +#define EXEC_MJ_TESTOUTER 6 +#define EXEC_MJ_NEXTINNER 7 +#define EXEC_MJ_SKIPINNER 8 +#define EXEC_MJ_SKIPOUTER 9 + +#endif /* EXECDEFS_H */ |