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Postgres FD Implementation
Commit 0f59f4a6 authored by Bruce Momjian's avatar Bruce Momjian
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Add comment for VARSIZE_ANY_EXHDR macro 

Gurjeet Singh
parent d8a5608d
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src/include/postgres.h
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......@@ -307,6 +307,7 @@ typedef struct
(VARATT_IS_1B(PTR) ? VARSIZE_1B(PTR) : \
VARSIZE_4B(PTR)))
/* Size of a varlena data, excluding header */
#define VARSIZE_ANY_EXHDR(PTR) \
(VARATT_IS_1B_E(PTR) ? VARSIZE_EXTERNAL(PTR)-VARHDRSZ_EXTERNAL : \
(VARATT_IS_1B(PTR) ? VARSIZE_1B(PTR)-VARHDRSZ_SHORT : \
......
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