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Add declaration-level assertions for compile-time checks

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Those new assertions can be used at file scope, outside of any function
for compilation checks.  This commit provides implementations for C and
C++, and fallback implementations.

Author: Peter Smith
Reviewed-by: Andres Freund, Kyotaro Horiguchi, Dagfinn Ilmari Mannsåker,
Michael Paquier
Discussion: https://postgr.es/m/201DD0641B056142AC8C6645EC1B5F62014B8E8030@SYD1217
This commit is contained in:
Michael Paquier
2020-02-03 14:48:42 +09:00
parent 6148e2b9a6
commit f1f10a1ba9
7 changed files with 76 additions and 12 deletions
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6
src/backend/utils/adt/lockfuncs.c
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@ -36,6 +36,9 @@ const char *const LockTagTypeNames[] = {
"advisory"
};
StaticAssertDecl(lengthof(LockTagTypeNames) == (LOCKTAG_ADVISORY + 1),
"array length mismatch");
/* This must match enum PredicateLockTargetType (predicate_internals.h) */
static const char *const PredicateLockTagTypeNames[] = {
"relation",
@ -43,6 +46,9 @@ static const char *const PredicateLockTagTypeNames[] = {
"tuple"
};
StaticAssertDecl(lengthof(PredicateLockTagTypeNames) == (PREDLOCKTAG_TUPLE + 1),
"array length mismatch");
/* Working status for pg_lock_status */
typedef struct
{