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Code Issues Releases Activity

Add pgLsnRangeToWalSegmentList() to convert lsn range to wal segments.

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This commit is contained in:
David Steele
2019-12-12 16:43:34 -05:00
parent 81295fd388
commit 8acfb6adf4
3 changed files with 101 additions and 1 deletions
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38
test/src/module/postgres/interfaceTest.c
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@ -102,7 +102,7 @@ testRun(void)
}
// *****************************************************************************************************************************
if (testBegin("pgLsnFromStr(), pgLsnToStr(), and pgLsnToWalSegment()"))
if (testBegin("pgLsnFromStr(), pgLsnToStr(), pgLsnToWalSegment(), and pgLsnRangeToWalSegmentList()"))
{
TEST_RESULT_UINT(pgLsnFromStr(STRDEF("1/1")), 0x0000000100000001, "lsn to string");
TEST_RESULT_UINT(pgLsnFromStr(STRDEF("ffffffff/ffffffff")), 0xFFFFFFFFFFFFFFFF, "lsn to string");
@ -115,6 +115,42 @@ testRun(void)
TEST_RESULT_STR_Z(pgLsnToWalSegment(1, 0xFFFFFFFFAAAAAAAA, 0x1000000), "00000001FFFFFFFF000000AA", "lsn to wal segment");
TEST_RESULT_STR_Z(pgLsnToWalSegment(1, 0xFFFFFFFFAAAAAAAA, 0x40000000), "00000001FFFFFFFF00000002", "lsn to wal segment");
TEST_RESULT_STR_Z(pgLsnToWalSegment(1, 0xFFFFFFFF40000000, 0x40000000), "00000001FFFFFFFF00000001", "lsn to wal segment");
TEST_RESULT_STR_Z(
strLstJoin(
pgLsnRangeToWalSegmentList(
PG_VERSION_92, 1, pgLsnFromStr(STRDEF("1/60")), pgLsnFromStr(STRDEF("1/60")), 16 * 1024 * 1024),
", "),
"000000010000000100000000", "get single");
TEST_RESULT_STR_Z(
strLstJoin(
pgLsnRangeToWalSegmentList(
PG_VERSION_92, 2, pgLsnFromStr(STRDEF("1/FD000000")), pgLsnFromStr(STRDEF("2/1000000")), 16 * 1024 * 1024),
", "),
"0000000200000001000000FD, 0000000200000001000000FE, 000000020000000200000000, 000000020000000200000001",
"get range <= 9.2");
TEST_RESULT_STR_Z(
strLstJoin(
pgLsnRangeToWalSegmentList(
PG_VERSION_93, 2, pgLsnFromStr(STRDEF("1/FD000000")), pgLsnFromStr(STRDEF("2/60")), 16 * 1024 * 1024),
", "),
"0000000200000001000000FD, 0000000200000001000000FE, 0000000200000001000000FF, 000000020000000200000000",
"get range > 9.2");
TEST_RESULT_STR_Z(
strLstJoin(
pgLsnRangeToWalSegmentList(
PG_VERSION_11, 2, pgLsnFromStr(STRDEF("A/800")), pgLsnFromStr(STRDEF("B/C0000000")), 1024 * 1024 * 1024),
", "),
"000000020000000A00000000, 000000020000000A00000001, 000000020000000A00000002, 000000020000000A00000003"
", 000000020000000B00000000, 000000020000000B00000001, 000000020000000B00000002, 000000020000000B00000003",
"get range >= 11/1GB");
TEST_RESULT_STR_Z(
strLstJoin(
pgLsnRangeToWalSegmentList(
PG_VERSION_11, 3, pgLsnFromStr(STRDEF("7/FFEFFFFF")), pgLsnFromStr(STRDEF("8/001AAAAA")), 1024 * 1024),
", "),
"000000030000000700000FFE, 000000030000000700000FFF, 000000030000000800000000, 000000030000000800000001",
"get range >= 11/1MB");
}
// *****************************************************************************************************************************