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branches/zip: Prepare for writing compressed and reading pages.

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buf_page_print(): Print also compressed pages.  Add parameter zip_size.

buf_flush_init_for_writing(): Stamp the fields on a compressed B-tree index
page.

Add the header field FIL_PAGE_ZBLOB_SPACE_ID as an alias of FIL_PAGE_PREV.

page_zip_calc_checksum(): New function.

page_zip_compress(): Avoid copying the fields that are written in
buf_flush_init_for_writing().

page_zip_header_cmp(): New function for comparing those fields of the
page header that will not be written in buf_flush_init_for_writing().
This commit is contained in:
marko
2006-05-02 11:44:39 +00:00
parent 7d6a4e7058
commit f118a9c19f
17 changed files with 228 additions and 83 deletions
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11
include/page0zip.h
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@@ -291,6 +291,17 @@ page_zip_parse_compress(
page_zip_des_t* page_zip)/* out: compressed page */
__attribute__((nonnull(1,2)));
/**************************************************************************
Calculate the compressed page checksum. */
ulint
page_zip_calc_checksum(
/*===================*/
/* out: page checksum */
const void* data, /* in: compressed page */
ulint size) /* in: size of compressed page */
__attribute__((nonnull));
#ifdef UNIV_MATERIALIZE
# undef UNIV_INLINE
# define UNIV_INLINE UNIV_INLINE_ORIGINAL