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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 13:44:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 13:44:03 +0000
commit293913568e6a7a86fd1479e1cff8e2ecb58d6568 (patch)
treefc3b469a3ec5ab71b36ea97cc7aaddb838423a0c /src/include/access/valid.h
parentInitial commit. (diff)
downloadpostgresql-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.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/src/include/access/valid.h b/src/include/access/valid.h
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+/*-------------------------------------------------------------------------
+ *
+ * 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 */