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Migrate page checksum filter to C.

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This filter exactly mimics the behavior of the Perl filter so is a drop-in replacement.

The filter is not integrated yet since it requires the Perl-to-C storage layer interface coming in a future commit.
This commit is contained in:
David Steele
2019-06-17 07:52:03 -04:00
parent 892f35a728
commit ceafd8e19d
10 changed files with 457 additions and 13 deletions
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15
src/postgres/interface.h
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@ -17,6 +17,21 @@ Defines for various Postgres paths and files
#define PG_PATH_ARCHIVE_STATUS "archive_status"
#define PG_PATH_GLOBAL "global"
/***********************************************************************************************************************************
Define default page size
Page size can only be changed at compile time and is not known to be well-tested, so only the default page size is supported.
***********************************************************************************************************************************/
#define PG_PAGE_SIZE_DEFAULT ((unsigned int)(8 * 1024))
/***********************************************************************************************************************************
Define default segment size and pages per segment
Segment size can only be changed at compile time and is not known to be well-tested, so only the default segment size is supported.
***********************************************************************************************************************************/
#define PG_SEGMENT_SIZE_DEFAULT ((unsigned int)(1 * 1024 * 1024 * 1024))
#define PG_SEGMENT_PAGE_DEFAULT (PG_SEGMENT_SIZE_DEFAULT / PG_PAGE_SIZE_DEFAULT)
/***********************************************************************************************************************************
PostgreSQL Control File Info
***********************************************************************************************************************************/