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Add WAL info to PostgreSQL interface.

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This allows the WAL header to be read for any supported version on PostgreSQL.
This commit is contained in:
David Steele
2019-03-19 19:44:06 +04:00
parent 1c9645d416
commit e938a89250
38 changed files with 1243 additions and 1 deletions
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59
test/src/module/postgres/interfaceTest.c
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@ -89,6 +89,50 @@ testRun(void)
TEST_RESULT_INT(info.version, PG_VERSION_83, " check version");
}
// *****************************************************************************************************************************
if (testBegin("pgWalFromBuffer() and pgWalFromFile()"))
{
String *walFile = strNewFmt("%s/0000000F0000000F0000000F", testPath());
// Create a bogus control file, initially not in long format)
// --------------------------------------------------------------------------------------------------------------------------
Buffer *result = bufNew((size_t)16 * 1024 * 1024);
memset(bufPtr(result), 0, bufSize(result));
bufUsedSet(result, bufSize(result));
((PgWalCommon *)bufPtr(result))->magic = 777;
TEST_ERROR(pgWalFromBuffer(result), FormatError, "first page header in WAL file is expected to be in long format");
// Add the long flag so that the version will now error
// --------------------------------------------------------------------------------------------------------------------------
((PgWalCommon *)bufPtr(result))->flag = PG_WAL_LONG_HEADER;
TEST_ERROR(
pgWalFromBuffer(result), VersionNotSupportedError,
"unexpected WAL magic 777\n"
"HINT: is this version of PostgreSQL supported?");
//--------------------------------------------------------------------------------------------------------------------------
TEST_ERROR(pgWalTestToBuffer((PgWal){.version = 0}, result), AssertError, "invalid version 0");
//--------------------------------------------------------------------------------------------------------------------------
pgWalTestToBuffer((PgWal){.version = PG_VERSION_11, .systemId = 0xECAFECAF}, result);
storagePutNP(storageNewWriteNP(storageTest, walFile), result);
PgWal info = {0};
TEST_ASSIGN(info, pgWalFromFile(walFile), "get wal info v11");
TEST_RESULT_INT(info.systemId, 0xECAFECAF, " check system id");
TEST_RESULT_INT(info.version, PG_VERSION_11, " check version");
//--------------------------------------------------------------------------------------------------------------------------
pgWalTestToBuffer((PgWal){.version = PG_VERSION_83, .systemId = 0xEAEAEAEA}, result);
storagePutNP(storageNewWriteNP(storageTest, walFile), result);
TEST_ASSIGN(info, pgWalFromFile(walFile), "get wal info v8.3");
TEST_RESULT_INT(info.systemId, 0xEAEAEAEA, " check system id");
TEST_RESULT_INT(info.version, PG_VERSION_83, " check version");
}
// *****************************************************************************************************************************
if (testBegin("pgControlToLog()"))
{
@ -105,5 +149,20 @@ testRun(void)
"{version: 110000, systemId: 1030522662895, walSegmentSize: 16777216, pageChecksum: true}", "check log");
}
// *****************************************************************************************************************************
if (testBegin("pgWalToLog()"))
{
PgWal pgWal =
{
.version = PG_VERSION_10,
.systemId = 0xFEFEFEFEFE
};
TEST_RESULT_STR(
strPtr(pgWalToLog(&pgWal)),
"{version: 100000, systemId: 1095199817470}", "check log");
}
FUNCTION_HARNESS_RESULT_VOID();
}