diff options
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/access/toast_internals.h | 1 | ||||
| -rw-r--r-- | src/include/common/pg_lzcompress.h | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/src/include/access/toast_internals.h b/src/include/access/toast_internals.h index 494b07a4b11..b8703d8c94e 100644 --- a/src/include/access/toast_internals.h +++ b/src/include/access/toast_internals.h @@ -31,6 +31,7 @@ typedef struct toast_compress_header */ #define TOAST_COMPRESS_HDRSZ ((int32) sizeof(toast_compress_header)) #define TOAST_COMPRESS_RAWSIZE(ptr) (((toast_compress_header *) (ptr))->rawsize) +#define TOAST_COMPRESS_SIZE(ptr) ((int32) VARSIZE(ptr) - TOAST_COMPRESS_HDRSZ) #define TOAST_COMPRESS_RAWDATA(ptr) \ (((char *) (ptr)) + TOAST_COMPRESS_HDRSZ) #define TOAST_COMPRESS_SET_RAWSIZE(ptr, len) \ diff --git a/src/include/common/pg_lzcompress.h b/src/include/common/pg_lzcompress.h index 555576436cc..3e53fbe97bd 100644 --- a/src/include/common/pg_lzcompress.h +++ b/src/include/common/pg_lzcompress.h @@ -87,5 +87,7 @@ extern int32 pglz_compress(const char *source, int32 slen, char *dest, const PGLZ_Strategy *strategy); extern int32 pglz_decompress(const char *source, int32 slen, char *dest, int32 rawsize, bool check_complete); +extern int32 pglz_maximum_compressed_size(int32 rawsize, + int32 total_compressed_size); #endif /* _PG_LZCOMPRESS_H_ */ |