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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 13:44:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 13:44:03 +0000 |
commit | 293913568e6a7a86fd1479e1cff8e2ecb58d6568 (patch) | |
tree | fc3b469a3ec5ab71b36ea97cc7aaddb838423a0c /src/include/access/valid.h | |
parent | Initial commit. (diff) | |
download | postgresql-16-293913568e6a7a86fd1479e1cff8e2ecb58d6568.tar.xz postgresql-16-293913568e6a7a86fd1479e1cff8e2ecb58d6568.zip |
Adding upstream version 16.2.upstream/16.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/include/access/valid.h')
-rw-r--r-- | src/include/access/valid.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/include/access/valid.h b/src/include/access/valid.h new file mode 100644 index 0000000..85d476a --- /dev/null +++ b/src/include/access/valid.h @@ -0,0 +1,58 @@ +/*------------------------------------------------------------------------- + * + * valid.h + * POSTGRES tuple qualification validity definitions. + * + * + * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group + * Portions Copyright (c) 1994, Regents of the University of California + * + * src/include/access/valid.h + * + *------------------------------------------------------------------------- + */ +#ifndef VALID_H +#define VALID_H + +#include "access/htup.h" +#include "access/htup_details.h" +#include "access/skey.h" +#include "access/tupdesc.h" + +/* + * HeapKeyTest + * + * Test a heap tuple to see if it satisfies a scan key. + */ +static inline bool +HeapKeyTest(HeapTuple tuple, TupleDesc tupdesc, int nkeys, ScanKey keys) +{ + int cur_nkeys = nkeys; + ScanKey cur_key = keys; + + for (; cur_nkeys--; cur_key++) + { + Datum atp; + bool isnull; + Datum test; + + if (cur_key->sk_flags & SK_ISNULL) + return false; + + atp = heap_getattr(tuple, cur_key->sk_attno, tupdesc, &isnull); + + if (isnull) + return false; + + test = FunctionCall2Coll(&cur_key->sk_func, + cur_key->sk_collation, + atp, cur_key->sk_argument); + + if (!DatumGetBool(test)) + return false; + } + + return true; +} + +#endif /* VALID_H */ |