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Add COPY_ARRAY_FIELD and COMPARE_ARRAY_FIELD

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These handle node fields that are inline arrays (as opposed to
dynamically allocated arrays handled by COPY_POINTER_FIELD and
COMPARE_POINTER_FIELD).  These cases were hand-coded until now.

Reviewed-by: Jacob Champion <pchampion@vmware.com>
Discussion: https://www.postgresql.org/message-id/c091e5cd-45f8-69ee-6a9b-de86912cc7e7@enterprisedb.com
This commit is contained in:
Peter Eisentraut
2021-09-14 09:34:50 +02:00
parent 8539929197
commit 308da179e7
2 changed files with 14 additions and 4 deletions
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7
src/backend/nodes/equalfuncs.c
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@@ -74,6 +74,13 @@
#define equalstr(a, b) \
(((a) != NULL && (b) != NULL) ? (strcmp(a, b) == 0) : (a) == (b))
/* Compare a field that is an inline array */
#define COMPARE_ARRAY_FIELD(fldname) \
do { \
if (memcmp(a->fldname, b->fldname, sizeof(a->fldname)) != 0) \
return false; \
} while (0)
/* Compare a field that is a pointer to a simple palloc'd object of size sz */
#define COMPARE_POINTER_FIELD(fldname, sz) \
do { \