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Read segment size from WAL headers.

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This allows validation of the WAL segment size for PostgreSQL versions <= 10.
This commit is contained in:
David Steele
2020-07-09 17:32:36 -04:00
parent 2f7823c627
commit d5df3974b5
8 changed files with 65 additions and 26 deletions
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14
test/src/module/postgres/interfaceTest.c
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@ -224,22 +224,32 @@ testRun(void)
//--------------------------------------------------------------------------------------------------------------------------
memset(bufPtr(result), 0, bufSize(result));
pgWalTestToBuffer((PgWal){.version = PG_VERSION_11, .systemId = 0xECAFECAF}, result);
pgWalTestToBuffer(
(PgWal){.version = PG_VERSION_11, .systemId = 0xECAFECAF, .size = PG_WAL_SEGMENT_SIZE_DEFAULT * 2}, result);
storagePutP(storageNewWriteP(storageTest, walFile), result);
PgWal info = {0};
TEST_ASSIGN(info, pgWalFromFile(walFile), "get wal info v11");
TEST_RESULT_UINT(info.systemId, 0xECAFECAF, " check system id");
TEST_RESULT_UINT(info.version, PG_VERSION_11, " check version");
TEST_RESULT_UINT(info.size, PG_WAL_SEGMENT_SIZE_DEFAULT * 2, " check size");
//--------------------------------------------------------------------------------------------------------------------------
memset(bufPtr(result), 0, bufSize(result));
pgWalTestToBuffer((PgWal){.version = PG_VERSION_83, .systemId = 0xEAEAEAEA}, result);
pgWalTestToBuffer(
(PgWal){.version = PG_VERSION_83, .systemId = 0xEAEAEAEA, .size = PG_WAL_SEGMENT_SIZE_DEFAULT * 2}, result);
TEST_ERROR(pgWalFromBuffer(result), FormatError, "wal segment size is 33554432 but must be 16777216 for PostgreSQL <= 10");
//--------------------------------------------------------------------------------------------------------------------------
memset(bufPtr(result), 0, bufSize(result));
pgWalTestToBuffer((PgWal){.version = PG_VERSION_83, .systemId = 0xEAEAEAEA, .size = PG_WAL_SEGMENT_SIZE_DEFAULT}, result);
storagePutP(storageNewWriteP(storageTest, walFile), result);
TEST_ASSIGN(info, pgWalFromFile(walFile), "get wal info v8.3");
TEST_RESULT_UINT(info.systemId, 0xEAEAEAEA, " check system id");
TEST_RESULT_UINT(info.version, PG_VERSION_83, " check version");
TEST_RESULT_UINT(info.size, PG_WAL_SEGMENT_SIZE_DEFAULT, " check size");
}
// *****************************************************************************************************************************