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Sigh ... pg_config.h.win32 needs to define BLCKSZ and RELSEG_SIZE now.
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@ -37,6 +37,15 @@
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/* The alignment requirement of a `short'. */
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#define ALIGNOF_SHORT 2
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/* Size of a disk block --- this also limits the size of a tuple. You can set
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it bigger if you need bigger tuples (although TOAST should reduce the need
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to have large tuples, since fields can be spread across multiple tuples).
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BLCKSZ must be a power of 2. The maximum possible value of BLCKSZ is
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currently 2^15 (32768). This is determined by the 15-bit widths of the
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lp_off and lp_len fields in ItemIdData (see include/storage/itemid.h).
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Changing BLCKSZ requires an initdb. */
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#define BLCKSZ 8192
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/* Define to the default TCP port number on which the server listens and to
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which clients will try to connect. This can be overridden at run-time, but
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it's convenient if your clients have the right default compiled in.
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@ -591,6 +600,19 @@
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your system. */
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/* #undef PTHREAD_CREATE_JOINABLE */
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/* RELSEG_SIZE is the maximum number of blocks allowed in one disk file. Thus,
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the maximum size of a single file is RELSEG_SIZE * BLCKSZ; relations bigger
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than that are divided into multiple files. RELSEG_SIZE * BLCKSZ must be
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less than your OS' limit on file size. This is often 2 GB or 4GB in a
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32-bit operating system, unless you have large file support enabled. By
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default, we make the limit 1 GB to avoid any possible integer-overflow
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problems within the OS. A limit smaller than necessary only means we divide
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a large relation into more chunks than necessary, so it seems best to err
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in the direction of a small limit. A power-of-2 value is recommended to
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save a few cycles in md.c, but is not absolutely required. Changing
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RELSEG_SIZE requires an initdb. */
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#define RELSEG_SIZE 131072
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/* The size of a `size_t', as computed by sizeof. */
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#define SIZEOF_SIZE_T 4
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