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Diffstat (limited to 'src/backend/optimizer/keys.h')
| -rw-r--r-- | src/backend/optimizer/keys.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/backend/optimizer/keys.h b/src/backend/optimizer/keys.h new file mode 100644 index 00000000000..ac579089f51 --- /dev/null +++ b/src/backend/optimizer/keys.h @@ -0,0 +1,22 @@ +/*------------------------------------------------------------------------- + * + * keys.h-- + * prototypes for keys.c. + * + * + * Copyright (c) 1994, Regents of the University of California + * + * $Id: keys.h,v 1.1.1.1 1996/07/09 06:21:34 scrappy Exp $ + * + *------------------------------------------------------------------------- + */ +#ifndef KEYS_H +#define KEYS_H + +extern bool match_indexkey_operand(int indexkey, Var *operand, Rel *rel); +extern bool equal_indexkey_var(int index_key, Var *var); +extern Var *extract_subkey(JoinKey *jk, int which_subkey); +extern bool samekeys(List *keys1, List *keys2); +extern List *collect_index_pathkeys(int *index_keys, List *tlist); + +#endif /* KEYS_H */ |