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Fix misleading comments about TOAST access macros.

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Seems to have been my error in commit aeb1631ed.
Noted by Christoph Berg.

Discussion: https://postgr.es/m/YTeLipdnSOg4NNcI@msg.df7cb.de
This commit is contained in:
Tom Lane 2021-09-08 14:11:35 -04:00
parent 7cffa2ed0c
commit 490798451a
1 changed files with 2 additions and 2 deletions
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4
src/include/postgres.h
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@ -361,13 +361,13 @@ typedef struct
#define VARDATA_ANY(PTR) \ #define VARDATA_ANY(PTR) \
(VARATT_IS_1B(PTR) ? VARDATA_1B(PTR) : VARDATA_4B(PTR)) (VARATT_IS_1B(PTR) ? VARDATA_1B(PTR) : VARDATA_4B(PTR))
/* Decompressed size and compression method of an external compressed Datum */ /* Decompressed size and compression method of a compressed-in-line Datum */
#define VARDATA_COMPRESSED_GET_EXTSIZE(PTR) \ #define VARDATA_COMPRESSED_GET_EXTSIZE(PTR) \
(((varattrib_4b *) (PTR))->va_compressed.va_tcinfo & VARLENA_EXTSIZE_MASK) (((varattrib_4b *) (PTR))->va_compressed.va_tcinfo & VARLENA_EXTSIZE_MASK)
#define VARDATA_COMPRESSED_GET_COMPRESS_METHOD(PTR) \ #define VARDATA_COMPRESSED_GET_COMPRESS_METHOD(PTR) \
(((varattrib_4b *) (PTR))->va_compressed.va_tcinfo >> VARLENA_EXTSIZE_BITS) (((varattrib_4b *) (PTR))->va_compressed.va_tcinfo >> VARLENA_EXTSIZE_BITS)
/* Same, when working directly with a struct varatt_external */ /* Same for external Datums; but note argument is a struct varatt_external */
#define VARATT_EXTERNAL_GET_EXTSIZE(toast_pointer) \ #define VARATT_EXTERNAL_GET_EXTSIZE(toast_pointer) \
((toast_pointer).va_extinfo & VARLENA_EXTSIZE_MASK) ((toast_pointer).va_extinfo & VARLENA_EXTSIZE_MASK)
#define VARATT_EXTERNAL_GET_COMPRESS_METHOD(toast_pointer) \ #define VARATT_EXTERNAL_GET_COMPRESS_METHOD(toast_pointer) \