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New header varatt.h split off from postgres.h

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This new header contains all the variable-length data types support
(TOAST support) from postgres.h, which isn't needed by large parts of
the backend code.

Reviewed-by: Tom Lane <tgl@sss.pgh.pa.us>
Discussion: https://www.postgresql.org/message-id/flat/ddcce239-0f29-6e62-4b47-1f8ca742addf%40enterprisedb.com
This commit is contained in:
Peter Eisentraut
2023-01-10 05:48:59 +01:00
parent cd06ccd78f
commit d952373a98
50 changed files with 412 additions and 353 deletions
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src/include/utils/expandeddatum.h
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@@ -44,6 +44,8 @@
#ifndef EXPANDEDDATUM_H
#define EXPANDEDDATUM_H
#include "varatt.h"
/* Size of an EXTERNAL datum that contains a pointer to an expanded object */
#define EXPANDED_POINTER_SIZE (VARHDRSZ_EXTERNAL + sizeof(varatt_expanded))