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MCOL-987 Add LZ4 compression.

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* Adds CompressInterfaceLZ4 which uses LZ4 API for compress/uncompress.
* Adds CMake machinery to search LZ4 on running host.
* All methods which use static data and do not modify any internal data - become `static`,
  so we can use them without creation of the specific object. This is possible, because
  the header specification has not been modified. We still use 2 sections in header, first
  one with file meta data, the second one with pointers for compressed chunks.
* Methods `compress`, `uncompress`, `maxCompressedSize`, `getUncompressedSize` - become
  pure virtual, so we can override them for the other compression algos.
* Adds method `getChunkMagicNumber`, so we can verify chunk magic number
  for each compression algo.
* Renames "s/IDBCompressInterface/CompressInterface/g" according to requirement.
This commit is contained in:
Denis Khalikov
2021-04-01 17:26:38 +03:00
parent dd12bd3cd0
commit cc1c3629c5
45 changed files with 1311 additions and 549 deletions
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22
dbcon/mysql/ha_mcs_ddl.cpp
View File

@ -777,7 +777,6 @@ int ProcessDDLStatement(string& ddlStatement, string& schema, const string& tabl
parser.setDefaultSchema(schema);
parser.setDefaultCharset(default_table_charset);
int rc = 0;
IDBCompressInterface idbCompress;
parser.Parse(ddlStatement.c_str());
if (get_fe_conn_info_ptr() == NULL)
@ -981,7 +980,9 @@ int ProcessDDLStatement(string& ddlStatement, string& schema, const string& tabl
if (compressionType == 1) compressionType = 2;
if (( compressionType > 0 ) && !(idbCompress.isCompressionAvail( compressionType )))
if ((compressionType > 0) &&
!(compress::CompressInterface::isCompressionAvail(
compressionType)))
{
rc = 1;
ci->alterTableState = cal_connection_info::NOT_ALTER;
@ -1368,7 +1369,9 @@ int ProcessDDLStatement(string& ddlStatement, string& schema, const string& tabl
return rc;
}
if (( compressionType > 0 ) && !(idbCompress.isCompressionAvail( compressionType )))
if ((compressionType > 0) &&
!(compress::CompressInterface::isCompressionAvail(
compressionType)))
{
rc = 1;
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_COMPRESSION_TYPE)).c_str());
@ -1713,7 +1716,9 @@ int ProcessDDLStatement(string& ddlStatement, string& schema, const string& tabl
return rc;
}
if (( compressionType > 0 ) && !(idbCompress.isCompressionAvail( compressionType )))
if ((compressionType > 0) &&
!(compress::CompressInterface::isCompressionAvail(
compressionType)))
{
rc = 1;
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_COMPRESSION_TYPE)).c_str());
@ -1842,7 +1847,9 @@ int ProcessDDLStatement(string& ddlStatement, string& schema, const string& tabl
return rc;
}
if (( compressionType > 0 ) && !(idbCompress.isCompressionAvail( compressionType )))
if ((compressionType > 0) &&
!(compress::CompressInterface::isCompressionAvail(
compressionType)))
{
rc = 1;
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_COMPRESSION_TYPE)).c_str());
@ -2364,9 +2371,8 @@ int ha_mcs_impl_create_(const char* name, TABLE* table_arg, HA_CREATE_INFO* crea
if (compressiontype == 1) compressiontype = 2;
IDBCompressInterface idbCompress;
if ( ( compressiontype > 0 ) && !(idbCompress.isCompressionAvail( compressiontype )) )
if ((compressiontype > 0) &&
!(compress::CompressInterface::isCompressionAvail(compressiontype)))
{
string emsg = IDBErrorInfo::instance()->errorMsg(ERR_INVALID_COMPRESSION_TYPE);
setError(thd, ER_INTERNAL_ERROR, emsg);