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bugfix: use CRC32C for crc comparison during archive-push if target WAL segment is compressed

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This commit is contained in:
Grigory Smolkin 2018-11-23 18:40:21 +03:00
parent 7e2fccd041
commit 57ca17ad6c
1 changed files with 5 additions and 5 deletions
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10
src/data.c
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@ -1686,7 +1686,7 @@ fileEqualCRC(const char *path1, const char *path2, bool path2_is_compressed)
char buf [1024];
gzFile gz_in = NULL;
INIT_FILE_CRC32(false, crc2);
INIT_FILE_CRC32(true, crc2);
gz_in = gzopen(path2, PG_BINARY_R);
if (gz_in == NULL)
/* File cannot be read */
@ -1704,11 +1704,11 @@ fileEqualCRC(const char *path1, const char *path2, bool path2_is_compressed)
"Cannot compare WAL file \"%s\" with compressed \"%s\"",
path1, path2);
COMP_FILE_CRC32(false, crc2, buf, read_len);
COMP_FILE_CRC32(true, crc2, buf, read_len);
if (gzeof(gz_in) || read_len == 0)
break;
}
FIN_FILE_CRC32(false, crc2);
FIN_FILE_CRC32(true, crc2);
if (gzclose(gz_in) != 0)
elog(ERROR, "Cannot close compressed WAL file \"%s\": %s",
@ -1717,11 +1717,11 @@ fileEqualCRC(const char *path1, const char *path2, bool path2_is_compressed)
else
#endif
{
crc2 = pgFileGetCRC(path2, false, true, NULL);
crc2 = pgFileGetCRC(path2, true, true, NULL);
}
/* Get checksum of original file */
crc1 = pgFileGetCRC(path1, false, true, NULL);
crc1 = pgFileGetCRC(path1, true, true, NULL);
return EQ_CRC32C(crc1, crc2);
}