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8baf0590a49f58a439016bb77c7c40c2e6a8278a
mariadb-columnstore-engine/dbcon/mysql/ha_calpont_ddl.cpp
Andrew Hutchings e9db44424c MCOL-642 Separate TEXT from BLOB 
* TEXT and BLOB now have separate identifiers internally
* TEXT columns are identified as such in system catalog
* cpimport only requires hex input for BLOB, not TEXT
2017-03-27 21:36:27 +01:00

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/* Copyright (C) 2014 InfiniDB, Inc.
Copyright (C) 2016 MariaDB Corporaton
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; version 2 of
the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02110-1301, USA. */
/*
* $Id: ha_calpont_ddl.cpp 9675 2013-07-11 15:38:12Z chao $
*/
#include <my_config.h>
#include <string>
#include <iostream>
#include <stack>
#ifdef _MSC_VER
#include <unordered_map>
#else
#include <tr1/unordered_map>
#endif
#include <fstream>
#include <sstream>
#include <cerrno>
#include <cstring>
#ifdef _MSC_VER
#include <unordered_set>
#else
#include <tr1/unordered_set>
#endif
#include <utility>
//#define NDEBUG
#include <cassert>
using namespace std;
#include <boost/shared_ptr.hpp>
#include <boost/algorithm/string/case_conv.hpp>
#include <boost/regex.hpp>
#include <boost/tokenizer.hpp>
using namespace boost;
#include "idb_mysql.h"
#include "ha_calpont_impl_if.h"
using namespace cal_impl_if;
#include "ddlpkg.h"
#include "sqlparser.h"
using namespace ddlpackage;
#include "ddlpackageprocessor.h"
using namespace ddlpackageprocessor;
#include "dataconvert.h"
using namespace dataconvert;
#include "bytestream.h"
using namespace messageqcpp;
#include "configcpp.h"
using namespace config;
#include "idbcompress.h"
using namespace compress;
#include "idberrorinfo.h"
#include "errorids.h"
using namespace logging;
#include "dbrm.h"
using namespace BRM;
#include "calpontsystemcatalog.h"
#include "expressionparser.h"
#include "calpontselectexecutionplan.h"
#include "simplefilter.h"
#include "simplecolumn.h"
#include "expressionparser.h"
#include "constantcolumn.h"
using namespace execplan;
#include "resourcemanager.h"
using namespace joblist;
namespace
{
typedef CalpontSelectExecutionPlan::ColumnMap::value_type CMVT_;
ResourceManager *rm = ResourceManager::instance();
bool useHdfs = rm->useHdfs();
#include "ha_autoi.cpp"
//convenience fcn
inline uint32_t tid2sid(const uint32_t tid)
{
return CalpontSystemCatalog::idb_tid2sid(tid);
}
uint32_t convertDataType(int dataType)
{
uint32_t calpontDataType;
switch (dataType)
{
case ddlpackage::DDL_CHAR:
calpontDataType = CalpontSystemCatalog::CHAR;
break;
case ddlpackage::DDL_VARCHAR:
calpontDataType = CalpontSystemCatalog::VARCHAR;
break;
case ddlpackage::DDL_VARBINARY:
calpontDataType = CalpontSystemCatalog::VARBINARY;
break;
case ddlpackage::DDL_BIT:
calpontDataType = CalpontSystemCatalog::BIT;
break;
case ddlpackage::DDL_REAL:
case ddlpackage::DDL_DECIMAL:
case ddlpackage::DDL_NUMERIC:
case ddlpackage::DDL_NUMBER:
calpontDataType = CalpontSystemCatalog::DECIMAL;
break;
case ddlpackage::DDL_FLOAT:
calpontDataType = CalpontSystemCatalog::FLOAT;
break;
case ddlpackage::DDL_DOUBLE:
calpontDataType = CalpontSystemCatalog::DOUBLE;
break;
case ddlpackage::DDL_INT:
case ddlpackage::DDL_INTEGER:
calpontDataType = CalpontSystemCatalog::INT;
break;
case ddlpackage::DDL_BIGINT:
calpontDataType = CalpontSystemCatalog::BIGINT;
break;
case ddlpackage::DDL_MEDINT:
calpontDataType = CalpontSystemCatalog::MEDINT;
break;
case ddlpackage::DDL_SMALLINT:
calpontDataType = CalpontSystemCatalog::SMALLINT;
break;
case ddlpackage::DDL_TINYINT:
calpontDataType = CalpontSystemCatalog::TINYINT;
break;
case ddlpackage::DDL_DATE:
calpontDataType = CalpontSystemCatalog::DATE;
break;
case ddlpackage::DDL_DATETIME:
calpontDataType = CalpontSystemCatalog::DATETIME;
break;
case ddlpackage::DDL_CLOB:
calpontDataType = CalpontSystemCatalog::CLOB;
break;
case ddlpackage::DDL_BLOB:
calpontDataType = CalpontSystemCatalog::BLOB;
break;
case ddlpackage::DDL_TEXT:
calpontDataType = CalpontSystemCatalog::TEXT;
break;
case ddlpackage::DDL_UNSIGNED_TINYINT:
calpontDataType = CalpontSystemCatalog::UTINYINT;
break;
case ddlpackage::DDL_UNSIGNED_SMALLINT:
calpontDataType = CalpontSystemCatalog::USMALLINT;
break;
case ddlpackage::DDL_UNSIGNED_INT:
calpontDataType = CalpontSystemCatalog::UINT;
break;
case ddlpackage::DDL_UNSIGNED_BIGINT:
calpontDataType = CalpontSystemCatalog::UBIGINT;
break;
case ddlpackage::DDL_UNSIGNED_DECIMAL:
case ddlpackage::DDL_UNSIGNED_NUMERIC:
calpontDataType = CalpontSystemCatalog::UDECIMAL;
break;
case ddlpackage::DDL_UNSIGNED_FLOAT:
calpontDataType = CalpontSystemCatalog::UFLOAT;
break;
case ddlpackage::DDL_UNSIGNED_DOUBLE:
calpontDataType = CalpontSystemCatalog::UDOUBLE;
break;
default:
throw runtime_error("Unsupported datatype!");
}
return calpontDataType;
}
int parseCompressionComment ( std::string comment )
{
algorithm::to_upper(comment);
regex compat("[[:space:]]*COMPRESSION[[:space:]]*=[[:space:]]*", regex_constants::extended);
int compressiontype = 0;
boost::match_results<std::string::const_iterator> what;
std::string::const_iterator start, end;
start = comment.begin();
end = comment.end();
boost::match_flag_type flags = boost::match_default;
if (boost::regex_search(start, end, what, compat, flags))
{
//Find the pattern, now get the compression type
string compType (&(*(what[0].second)));
//; is the seperator between compression and autoincrement comments.
unsigned i = compType.find_first_of(";");
if ( i <= compType.length() )
{
compType = compType.substr( 0,i);
}
i = compType.find_last_not_of(" ");
if ( i <= compType.length() )
{
compType = compType.substr( 0,i+1);
}
errno = 0;
char *ep = NULL;
const char *str = compType.c_str();
compressiontype = strtoll(str, &ep, 10);
// (no digits) || (more chars) || (other errors & value = 0)
if ((ep == str) || (*ep != '\0') || (errno != 0 && compressiontype == 0))
{
compressiontype = -1;
}
}
else
compressiontype = MAX_INT;
return compressiontype;
}
bool validateAutoincrementDatatype ( int type )
{
bool validAutoType = false;
switch (type)
{
case ddlpackage::DDL_INT:
case ddlpackage::DDL_INTEGER:
case ddlpackage::DDL_BIGINT:
case ddlpackage::DDL_MEDINT:
case ddlpackage::DDL_SMALLINT:
case ddlpackage::DDL_TINYINT:
case ddlpackage::DDL_UNSIGNED_INT:
case ddlpackage::DDL_UNSIGNED_BIGINT:
case ddlpackage::DDL_UNSIGNED_MEDINT:
case ddlpackage::DDL_UNSIGNED_SMALLINT:
case ddlpackage::DDL_UNSIGNED_TINYINT:
validAutoType = true;
break;
}
return validAutoType;
}
bool validateNextValue( int type, int64_t value )
{
bool validValue = true;
switch (type)
{
case ddlpackage::DDL_BIGINT:
{
if (value > MAX_BIGINT)
validValue = false;
}
break;
case ddlpackage::DDL_UNSIGNED_BIGINT:
{
if (static_cast<uint64_t>(value) > MAX_UBIGINT)
validValue = false;
}
break;
case ddlpackage::DDL_INT:
case ddlpackage::DDL_INTEGER:
case ddlpackage::DDL_MEDINT:
{
if (value > MAX_INT)
validValue = false;
}
break;
case ddlpackage::DDL_UNSIGNED_INT:
case ddlpackage::DDL_UNSIGNED_MEDINT:
{
if (static_cast<uint64_t>(value) > MAX_UINT)
validValue = false;
}
break;
case ddlpackage::DDL_SMALLINT:
{
if (value > MAX_SMALLINT)
validValue = false;
}
break;
case ddlpackage::DDL_UNSIGNED_SMALLINT:
{
if (static_cast<uint64_t>(value) > MAX_USMALLINT)
validValue = false;
}
break;
case ddlpackage::DDL_TINYINT:
{
if (value > MAX_TINYINT)
validValue = false;
}
break;
case ddlpackage::DDL_UNSIGNED_TINYINT:
{
if (static_cast<uint64_t>(value) > MAX_UTINYINT)
validValue = false;
}
break;
}
return validValue;
}
bool anyRowInTable(string& schema, string& tableName, int sessionID)
{
//find a column in the table
boost::shared_ptr<CalpontSystemCatalog> csc = CalpontSystemCatalog::makeCalpontSystemCatalog(sessionID);
csc->identity(execplan::CalpontSystemCatalog::FE);
CalpontSystemCatalog::TableName aTableName;
algorithm::to_lower(schema);
algorithm::to_lower(tableName);
aTableName.schema = schema;
aTableName.table = tableName;
CalpontSystemCatalog::RIDList ridList = csc->columnRIDs(aTableName, true);
CalpontSystemCatalog::TableColName tableColName = csc->colName(ridList[0].objnum);
CalpontSelectExecutionPlan csep;
CalpontSelectExecutionPlan::ReturnedColumnList returnedColumnList;
CalpontSelectExecutionPlan::ColumnMap colMap;
SessionManager sm;
BRM::TxnID txnID;
txnID = sm.getTxnID(sessionID);
if (!txnID.valid)
{
txnID.id = 0;
txnID.valid = true;
}
QueryContext verID;
verID = sm.verID();
csep.txnID(txnID.id);
csep.verID(verID);
csep.sessionID(sessionID);
string firstCol = tableColName.schema+"."+tableColName.table+"."+tableColName.column;
SimpleColumn* col[1];
col[0] = new SimpleColumn(firstCol, sessionID);
SRCP srcp;
srcp.reset(col[0]);
colMap.insert(CMVT_(firstCol, srcp));
csep.columnMapNonStatic(colMap);
returnedColumnList.push_back(srcp);
csep.returnedCols(returnedColumnList);
CalpontSelectExecutionPlan::TableList tablelist;
tablelist.push_back(make_aliastable(schema, tableName, ""));
csep.tableList(tablelist);
boost::shared_ptr<messageqcpp::MessageQueueClient> exemgrClient (new messageqcpp::MessageQueueClient("ExeMgr1"));
ByteStream msg, emsgBs;
rowgroup::RGData rgData;
ByteStream::quadbyte qb = 4;
msg << qb;
rowgroup::RowGroup *rowGroup = 0;
bool anyRow = false;
exemgrClient->write(msg);
ByteStream msgPlan;
csep.serialize(msgPlan);
exemgrClient->write(msgPlan);
msg.restart();
msg = exemgrClient->read(); //error handling
emsgBs = exemgrClient->read();
ByteStream::quadbyte qb1;
if (emsgBs.length() == 0)
{
//exemgrClient->shutdown();
//delete exemgrClient;
//exemgrClient = 0;
throw runtime_error("Lost conection to ExeMgr.");
}
string emsgStr;
emsgBs >> emsgStr;
if (msg.length() == 4)
{
msg >> qb1;
if (qb1 != 0)
{
//exemgrClient->shutdown();
//delete exemgrClient;
//exemgrClient = 0;
throw runtime_error(emsgStr);
}
}
while (true)
{
msg.restart();
msg = exemgrClient->read();
if ( msg.length() == 0 )
{
//exemgrClient->shutdown();
//delete exemgrClient;
//exemgrClient = 0;
throw runtime_error("Lost conection to ExeMgr.");
}
else
{
if (!rowGroup)
{
//This is mete data
rowGroup = new rowgroup::RowGroup();
rowGroup->deserialize(msg);
qb = 100;
msg.restart();
msg << qb;
exemgrClient->write(msg);
continue;
}
rgData.deserialize(msg);
rowGroup->setData(&rgData);
if (rowGroup->getStatus() != 0)
{
//msg.advance(rowGroup->getDataSize());
msg >> emsgStr;
//exemgrClient->shutdown();
//delete exemgrClient;
//exemgrClient = 0;
throw runtime_error(emsgStr);
}
if (rowGroup->getRowCount() > 0)
anyRow = true;
//exemgrClient->shutdown();
//delete exemgrClient;
//exemgrClient = 0;
return anyRow;
}
}
}
bool anyNullInTheColumn (string& schema, string& table, string& columnName, int sessionID)
{
CalpontSelectExecutionPlan csep;
CalpontSelectExecutionPlan::ReturnedColumnList returnedColumnList;
CalpontSelectExecutionPlan::FilterTokenList filterTokenList;
CalpontSelectExecutionPlan::ColumnMap colMap;
algorithm::to_lower(schema);
algorithm::to_lower(table);
algorithm::to_lower(columnName);
SessionManager sm;
BRM::TxnID txnID;
txnID = sm.getTxnID(sessionID);
if (!txnID.valid)
{
txnID.id = 0;
txnID.valid = true;
}
QueryContext verID;
verID = sm.verID();
csep.txnID(txnID.id);
csep.verID(verID);
csep.sessionID(sessionID);
string firstCol = schema+"."+table+"."+columnName;
SimpleColumn* col[1];
col[0] = new SimpleColumn(firstCol, sessionID);
SRCP srcp;
srcp.reset(col[0]);
colMap.insert(CMVT_(firstCol, srcp));
csep.columnMapNonStatic(colMap);
returnedColumnList.push_back(srcp);
csep.returnedCols(returnedColumnList);
SimpleFilter *sf = new SimpleFilter();
boost::shared_ptr<Operator> sop(new PredicateOperator("isnull"));
sf->op(sop);
ConstantColumn *rhs = new ConstantColumn("", ConstantColumn::NULLDATA);
sf->lhs(col[0]->clone());
sf->rhs(rhs);
filterTokenList.push_back(sf);
csep.filterTokenList(filterTokenList);
CalpontSelectExecutionPlan::TableList tablelist;
tablelist.push_back(make_aliastable(schema, table, ""));
csep.tableList(tablelist);
boost::shared_ptr<messageqcpp::MessageQueueClient> exemgrClient (new messageqcpp::MessageQueueClient("ExeMgr1"));
ByteStream msg, emsgBs;
rowgroup::RGData rgData;
ByteStream::quadbyte qb = 4;
msg << qb;
rowgroup::RowGroup *rowGroup = 0;
bool anyRow = false;
exemgrClient->write(msg);
ByteStream msgPlan;
csep.serialize(msgPlan);
exemgrClient->write(msgPlan);
msg.restart();
msg = exemgrClient->read(); //error handling
emsgBs = exemgrClient->read();
ByteStream::quadbyte qb1;
if (emsgBs.length() == 0)
{
//exemgrClient->shutdown();
//delete exemgrClient;
//exemgrClient = 0;
throw runtime_error("Lost conection to ExeMgr.");
}
string emsgStr;
emsgBs >> emsgStr;
if (msg.length() == 4)
{
msg >> qb1;
if (qb1 != 0)
{
//exemgrClient->shutdown();
//delete exemgrClient;
//exemgrClient = 0;
throw runtime_error(emsgStr);
}
}
while (true)
{
msg.restart();
msg = exemgrClient->read();
if ( msg.length() == 0 )
{
//exemgrClient->shutdown();
//delete exemgrClient;
//exemgrClient = 0;
throw runtime_error("Lost conection to ExeMgr.");
}
else
{
if (!rowGroup)
{
//This is mete data
rowGroup = new rowgroup::RowGroup();
rowGroup->deserialize(msg);
qb = 100;
msg.restart();
msg << qb;
exemgrClient->write(msg);
continue;
}
rgData.deserialize(msg);
rowGroup->setData(&rgData);
if (rowGroup->getStatus() != 0)
{
//msg.advance(amount);
msg >> emsgStr;
//exemgrClient->shutdown();
//delete exemgrClient;
//exemgrClient = 0;
throw runtime_error(emsgStr);
}
if (rowGroup->getRowCount() > 0)
anyRow = true;
//exemgrClient->shutdown();
//delete exemgrClient;
//exemgrClient = 0;
return anyRow;
}
}
}
int ProcessDDLStatement(string& ddlStatement, string& schema, const string& table, int sessionID,
string& emsg, int compressionTypeIn = 2, bool isAnyAutoincreCol = false, int64_t nextvalue = 1, std::string autoiColName = "")
{
SqlParser parser;
THD *thd = current_thd;
#ifdef INFINIDB_DEBUG
cout << "ProcessDDLStatement: " << schema << "." << table << ":" << ddlStatement << endl;
#endif
parser.setDefaultSchema(schema);
int rc = 0;
IDBCompressInterface idbCompress;
parser.Parse(ddlStatement.c_str());
if (!thd->infinidb_vtable.cal_conn_info)
thd->infinidb_vtable.cal_conn_info = (void*)(new cal_connection_info());
cal_connection_info* ci = reinterpret_cast<cal_connection_info*>(thd->infinidb_vtable.cal_conn_info);
if(parser.Good())
{
boost::shared_ptr<CalpontSystemCatalog> csc = CalpontSystemCatalog::makeCalpontSystemCatalog(sessionID);
csc->identity(execplan::CalpontSystemCatalog::FE);
const ddlpackage::ParseTree &ptree = parser.GetParseTree();
if (UNLIKELY(ptree.fList.size() == 0))
{
// TODO: Once the crash bug is found, this should convert to "return 0"
cout << "***** ProcessDDLStatement has no stmt *****" << endl;
setError(thd, ER_CHECK_NOT_IMPLEMENTED, "DDL processed without statement");
return 1;
}
SqlStatement &stmt = *ptree.fList[0];
bool isVarbinaryAllowed = false;
std::string valConfig = config::Config::makeConfig()->getConfig(
"WriteEngine", "AllowVarbinary" );
algorithm::to_upper(valConfig);
if (valConfig.compare("YES") == 0)
isVarbinaryAllowed = true;
//@Bug 1771. error out for not supported feature.
if ( typeid ( stmt ) == typeid ( CreateTableStatement ) )
{
CreateTableStatement * createTable = dynamic_cast <CreateTableStatement *> ( &stmt );
//@Bug 5767. To handle key words inside `` for a tablename.
if (!(boost::iequals(schema, createTable->fTableDef->fQualifiedName->fSchema)) || !(boost::iequals(table,createTable->fTableDef->fQualifiedName->fName)))
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_CHECK_NOT_IMPLEMENTED, (IDBErrorInfo::instance()->errorMsg(ERR_CREATE_DATATYPE_NOT_SUPPORT)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
bool matchedCol = false;
for ( unsigned i=0; i < createTable->fTableDef->fColumns.size(); i++ )
{
// if there are any constraints other than 'DEFAULT NULL' (which is the default in IDB), kill
// the statement
bool autoIncre = false;
uint64_t startValue = 1;
if (createTable->fTableDef->fColumns[i]->fConstraints.size() > 0 )
{
//support default value and NOT NULL constraint
for (uint32_t j=0; j < createTable->fTableDef->fColumns[i]->fConstraints.size(); j++)
{
if (createTable->fTableDef->fColumns[i]->fConstraints[j]->fConstraintType != DDL_NOT_NULL)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_CHECK_NOT_IMPLEMENTED, (IDBErrorInfo::instance()->errorMsg(ERR_CONSTRAINTS)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
}
}
//check varbinary data type
if ((createTable->fTableDef->fColumns[i]->fType->fType == ddlpackage::DDL_VARBINARY) && !isVarbinaryAllowed)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_CHECK_NOT_IMPLEMENTED, "Varbinary is currently not supported by Columnstore.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if ((createTable->fTableDef->fColumns[i]->fType->fType == ddlpackage::DDL_VARBINARY) &&
((createTable->fTableDef->fColumns[i]->fType->fLength > 8000) || (createTable->fTableDef->fColumns[i]->fType->fLength < 8)))
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_CHECK_NOT_IMPLEMENTED, "Varbinary length has to be between 8 and 8000.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (createTable->fTableDef->fColumns[i]->fDefaultValue)
{
if ((!createTable->fTableDef->fColumns[i]->fDefaultValue->fNull) && (createTable->fTableDef->fColumns[i]->fType->fType == ddlpackage::DDL_VARBINARY))
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_CHECK_NOT_IMPLEMENTED, "Varbinary column cannot have default value.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (!createTable->fTableDef->fColumns[i]->fDefaultValue->fNull)
{
//validate the default value, if out of range, just error out
uint32_t dataType;
dataType = convertDataType(createTable->fTableDef->fColumns[i]->fType->fType);
CalpontSystemCatalog::ColType colType;
colType.colDataType = (CalpontSystemCatalog::ColDataType) dataType;
colType.colWidth = createTable->fTableDef->fColumns[i]->fType->fLength;
colType.precision = createTable->fTableDef->fColumns[i]->fType->fPrecision;
colType.scale = createTable->fTableDef->fColumns[i]->fType->fScale;
boost::any convertedVal;
bool pushWarning = false;
try {
convertedVal = DataConvert::convertColumnData(colType, createTable->fTableDef->fColumns[i]->fDefaultValue->fValue, pushWarning, false, false );
}
catch(std::exception&)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "The default value is out of range for the specified data type.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (pushWarning)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "The default value is out of range for the specified data type.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
}
}
//Parse the column comment
string comment = createTable->fTableDef->fColumns[i]->fComment;
int compressionType = compressionTypeIn;
if ( comment.length() > 0 )
{
compressionType = parseCompressionComment( comment);
if ( compressionType == MAX_INT )
{
compressionType = compressionTypeIn;
}
else if ( compressionType < 0 )
{
rc = 1;
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_COMPRESSION_TYPE)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (compressionType == 1) compressionType = 2;
if (( compressionType > 0 ) && !(idbCompress.isCompressionAvail( compressionType )))
{
rc = 1;
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
#ifdef SKIP_IDB_COMPRESSION
Message::Args args;
thd->get_stmt_da()->set_overwrite_status(true);
args.add("The compression type");
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_ENTERPRISE_ONLY, args)).c_str());
#else
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_COMPRESSION_TYPE)).c_str());
#endif
return rc;
}
try {
autoIncre = parseAutoincrementColumnComment(comment, startValue);
if (autoIncre)
{
//Check whether there is a column with autoincrement already
if ((isAnyAutoincreCol) && !(boost::iequals(autoiColName, createTable->fTableDef->fColumns[i]->fName)))
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_NUMBER_AUTOINCREMENT)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
else
{
isAnyAutoincreCol = true;
autoiColName = createTable->fTableDef->fColumns[i]->fName;
matchedCol = true;
}
//Check whether the column has default value. If there is, error out
if (createTable->fTableDef->fColumns[i]->fDefaultValue)
{
if (!createTable->fTableDef->fColumns[i]->fDefaultValue->fNull)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "Autoincrement column cannot have a default value.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
}
}
}
catch (runtime_error& ex)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, ex.what());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
}
if (!autoIncre && isAnyAutoincreCol && (boost::iequals(autoiColName, createTable->fTableDef->fColumns[i]->fName)))
{
autoIncre = true;
matchedCol = true;
startValue = nextvalue;
}
if (startValue <= 0)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_NEGATIVE_STARTVALUE)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if(autoIncre)
{
if (!validateAutoincrementDatatype(createTable->fTableDef->fColumns[i]->fType->fType))
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_CHECK_NOT_IMPLEMENTED, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_AUTOINCREMENT_TYPE)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
}
if (!validateNextValue(createTable->fTableDef->fColumns[i]->fType->fType, startValue))
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_STARTVALUE)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
//hdfs
if ((compressionType ==0) && (useHdfs))
{
compressionType = 2;
string errmsg ("The table is created with Columnstore compression type 2 under HDFS." );
push_warning(thd, Sql_condition::WARN_LEVEL_WARN, 9999, errmsg.c_str());
}
(createTable->fTableDef->fColumns[i]->fType)->fCompressiontype = compressionType;
if (autoIncre)
(createTable->fTableDef->fColumns[i]->fType)->fAutoincrement = "y";
else
(createTable->fTableDef->fColumns[i]->fType)->fAutoincrement = "n";
(createTable->fTableDef->fColumns[i]->fType)->fNextvalue = startValue;
}
if (isAnyAutoincreCol && !matchedCol) //@Bug 3555 error out on invalid column
{
rc = 1;
Message::Args args;
thd->get_stmt_da()->set_overwrite_status(true);
args.add(autoiColName);
thd->raise_error_printf(ER_INTERNAL_ERROR,(IDBErrorInfo::instance()->errorMsg(ERR_UNKNOWN_COL, args)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
}
else if ( typeid ( stmt ) == typeid ( AlterTableStatement ) )
{
AlterTableStatement * alterTable = dynamic_cast <AlterTableStatement *> ( &stmt );
if ( schema.length() == 0 )
{
schema = alterTable->fTableName->fSchema;
if ( schema.length() == 0 )
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "No database selected.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
}
ddlpackage::AlterTableActionList actionList = alterTable->fActions;
if (actionList.size() > 1) //@bug 3753 we don't support multiple actions in alter table statement
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_CHECK_NOT_IMPLEMENTED, "Multiple actions in alter table statement is currently not supported by Columnstore.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
for ( unsigned i=0; i < actionList.size(); i++ )
{
if ( ddlpackage::AtaAddColumn *addColumnPtr = dynamic_cast<AtaAddColumn*> (actionList[i]) )
{
//check varbinary data type
if ((addColumnPtr->fColumnDef->fType->fType == ddlpackage::DDL_VARBINARY) && !isVarbinaryAllowed)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_CHECK_NOT_IMPLEMENTED, "Varbinary is currently not supported by Columnstore.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if ((addColumnPtr->fColumnDef->fType->fType == ddlpackage::DDL_VARBINARY) &&
((addColumnPtr->fColumnDef->fType->fLength > 8000) || (addColumnPtr->fColumnDef->fType->fLength < 8)))
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "Varbinary length has to be between 8 and 8000.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
uint64_t startValue = 1;
bool autoIncre = false;
if ( (addColumnPtr->fColumnDef->fConstraints.size() > 0 ) || addColumnPtr->fColumnDef->fDefaultValue )
{
//support default value and NOT NULL constraint
for (uint32_t j=0; j < addColumnPtr->fColumnDef->fConstraints.size(); j++)
{
if (addColumnPtr->fColumnDef->fConstraints[j]->fConstraintType != DDL_NOT_NULL)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_CHECK_NOT_IMPLEMENTED, (IDBErrorInfo::instance()->errorMsg(ERR_CONSTRAINTS)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
//if not null constraint, user has to provide a default value
if ((addColumnPtr->fColumnDef->fConstraints[j]->fConstraintType == DDL_NOT_NULL) && (!addColumnPtr->fColumnDef->fDefaultValue))
{
//do select count(*) from the table to check whether there are existing rows. if there is, error out.
bool anyRow = false;
try {
anyRow = anyRowInTable(alterTable->fTableName->fSchema, alterTable->fTableName->fName, sessionID);
}
catch (runtime_error& ex)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, ex.what());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
catch (...)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "Unknown exception caught when checking any rows in the table.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (anyRow)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "Table is not empty. New column has to have a default value if NOT NULL required.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
}
else if ((addColumnPtr->fColumnDef->fConstraints[j]->fConstraintType == DDL_NOT_NULL) &&(addColumnPtr->fColumnDef->fDefaultValue))
{
if (addColumnPtr->fColumnDef->fDefaultValue->fValue.length() == 0) //empty string is NULL in infinidb
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "New column has to have a default value if NOT NULL required.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
}
}
if (addColumnPtr->fColumnDef->fDefaultValue)
{
if ((!addColumnPtr->fColumnDef->fDefaultValue->fNull) && (addColumnPtr->fColumnDef->fType->fType == ddlpackage::DDL_VARBINARY))
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "Varbinary column cannot have default value.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
//validate the default value, if out of range, just error out
uint32_t dataType;
dataType = convertDataType(addColumnPtr->fColumnDef->fType->fType);
CalpontSystemCatalog::ColType colType;
colType.colDataType = (CalpontSystemCatalog::ColDataType) dataType;
colType.colWidth = addColumnPtr->fColumnDef->fType->fLength;
colType.precision = addColumnPtr->fColumnDef->fType->fPrecision;
colType.scale = addColumnPtr->fColumnDef->fType->fScale;
boost::any convertedVal;
bool pushWarning = false;
try {
convertedVal = DataConvert::convertColumnData(colType, addColumnPtr->fColumnDef->fDefaultValue->fValue, pushWarning, false, false );
}
catch(std::exception&)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "The default value is out of range for the specified data type.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (pushWarning)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "The default value is out of range for the specified data type.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
}
}
//Handle compression type
string comment = addColumnPtr->fColumnDef->fComment;
int compressionType = compressionTypeIn;
if ( comment.length() > 0 )
{
//@Bug 3782 This is for synchronization after calonlinealter to use
algorithm::to_upper(comment);
regex pat("[[:space:]]*SCHEMA[[:space:]]+SYNC[[:space:]]+ONLY", regex_constants::extended);
if (regex_search(comment, pat))
{
return 0;
}
compressionType = parseCompressionComment( comment);
if ( compressionType == MAX_INT )
{
compressionType = compressionTypeIn;
}
else if ( compressionType < 0 )
{
rc = 1;
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_COMPRESSION_TYPE)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (( compressionType > 0 ) && !(idbCompress.isCompressionAvail( compressionType )))
{
rc = 1;
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_COMPRESSION_TYPE)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if ((compressionType ==0) && (useHdfs))
{
compressionType = 2;
string errmsg ("The column is created with Columnstore compression type 2 under HDFS." );
push_warning(thd, Sql_condition::WARN_LEVEL_WARN, 9999, errmsg.c_str());
}
try {
autoIncre = parseAutoincrementColumnComment(comment, startValue);
}
catch (runtime_error& ex)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, ex.what());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (autoIncre)
{
//Check if the table already has autoincrement column
boost::shared_ptr<CalpontSystemCatalog> csc = CalpontSystemCatalog::makeCalpontSystemCatalog(sessionID);
csc->identity(execplan::CalpontSystemCatalog::FE);
CalpontSystemCatalog::TableName tableName;
tableName.schema = alterTable->fTableName->fSchema;
tableName.table = alterTable->fTableName->fName;
CalpontSystemCatalog::TableInfo tblInfo;
try {
tblInfo = csc->tableInfo(tableName);
}
catch (runtime_error& ex)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, ex.what());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (tblInfo.tablewithautoincr == 1)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_NUMBER_AUTOINCREMENT)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (!validateAutoincrementDatatype(addColumnPtr->fColumnDef->fType->fType))
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_AUTOINCREMENT_TYPE)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (!validateNextValue(addColumnPtr->fColumnDef->fType->fType, startValue))
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_STARTVALUE)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (startValue <= 0)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_CHECK_NOT_IMPLEMENTED, (IDBErrorInfo::instance()->errorMsg(ERR_NEGATIVE_STARTVALUE)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
}
}
addColumnPtr->fColumnDef->fType->fCompressiontype = compressionType;
if (autoIncre)
addColumnPtr->fColumnDef->fType->fAutoincrement = "y";
else
addColumnPtr->fColumnDef->fType->fAutoincrement = "n";
addColumnPtr->fColumnDef->fType->fNextvalue = startValue;
}
else if ( dynamic_cast<AtaAddTableConstraint*> (actionList[i]))
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_CHECK_NOT_IMPLEMENTED, (IDBErrorInfo::instance()->errorMsg(ERR_CONSTRAINTS)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
/* else if ( dynamic_cast<AtaSetColumnDefault*> (actionList[i]) )
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_CHECK_NOT_IMPLEMENTED, (IDBErrorInfo::instance()->errorMsg(ERR_CONSTRAINTS)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
else if ( dynamic_cast<AtaDropColumnDefault*> (actionList[i]) )
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_CHECK_NOT_IMPLEMENTED, (IDBErrorInfo::instance()->errorMsg(ERR_CONSTRAINTS)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
*/
else if ( ddlpackage::AtaAddColumns *addColumnsPtr = dynamic_cast<AtaAddColumns*>(actionList[i]))
{
if ((addColumnsPtr->fColumns).size() > 1)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_CHECK_NOT_IMPLEMENTED, "Multiple actions in alter table statement is currently not supported by Columnstore.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
//check varbinary data type
if ((addColumnsPtr->fColumns[0]->fType->fType == ddlpackage::DDL_VARBINARY) && !isVarbinaryAllowed)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_CHECK_NOT_IMPLEMENTED, "Varbinary is currently not supported by Columnstore.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if ((addColumnsPtr->fColumns[0]->fType->fType == ddlpackage::DDL_VARBINARY) &&
((addColumnsPtr->fColumns[0]->fType->fLength > 8000) || (addColumnsPtr->fColumns[0]->fType->fLength < 8)))
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "Varbinary length has to be between 8 and 8000.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
uint64_t startValue = 1;
bool autoIncre = false;
if ( (addColumnsPtr->fColumns[0]->fConstraints.size() > 0 ) || addColumnsPtr->fColumns[0]->fDefaultValue )
{
//@Bug 5274. support default value and NOT NULL constraint
for (uint32_t j=0; j < addColumnsPtr->fColumns[0]->fConstraints.size(); j++)
{
if (addColumnsPtr->fColumns[0]->fConstraints[j]->fConstraintType != DDL_NOT_NULL)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_CHECK_NOT_IMPLEMENTED, (IDBErrorInfo::instance()->errorMsg(ERR_CONSTRAINTS)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
//if not null constraint, user has to provide a default value
if ((addColumnsPtr->fColumns[0]->fConstraints[j]->fConstraintType == DDL_NOT_NULL) && (!addColumnsPtr->fColumns[0]->fDefaultValue))
{
//do select count(*) from the table to check whether there are existing rows. if there is, error out.
bool anyRow = false;
try {
anyRow = anyRowInTable(alterTable->fTableName->fSchema, alterTable->fTableName->fName, sessionID);
}
catch (runtime_error& ex)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, ex.what());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
catch (...)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "Unknown exception caught when checking any rows in the table.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (anyRow)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "Table is not empty. New column has to have a default value if NOT NULL required.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
}
else if ((addColumnsPtr->fColumns[0]->fConstraints[j]->fConstraintType == DDL_NOT_NULL) &&(addColumnsPtr->fColumns[0]->fDefaultValue))
{
if (addColumnsPtr->fColumns[0]->fDefaultValue->fValue.length() == 0) //empty string is NULL in infinidb
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "New column has to have a default value if NOT NULL required.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
}
}
if (addColumnsPtr->fColumns[0]->fDefaultValue)
{
if ((!addColumnsPtr->fColumns[0]->fDefaultValue->fNull) && (addColumnsPtr->fColumns[0]->fType->fType == ddlpackage::DDL_VARBINARY))
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "Varbinary column cannot have default value.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
//validate the default value, if out of range, just error out
uint32_t dataType;
dataType = convertDataType(addColumnsPtr->fColumns[0]->fType->fType);
CalpontSystemCatalog::ColType colType;
colType.colDataType = (CalpontSystemCatalog::ColDataType) dataType;
colType.colWidth = addColumnsPtr->fColumns[0]->fType->fLength;
colType.precision = addColumnsPtr->fColumns[0]->fType->fPrecision;
colType.scale = addColumnsPtr->fColumns[0]->fType->fScale;
boost::any convertedVal;
bool pushWarning = false;
try {
convertedVal = DataConvert::convertColumnData(colType, addColumnsPtr->fColumns[0]->fDefaultValue->fValue, pushWarning, false, false );
}
catch(std::exception&)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "The default value is out of range for the specified data type.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (pushWarning)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "The default value is out of range for the specified data type.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
}
}
//Handle compression type
string comment = addColumnsPtr->fColumns[0]->fComment;
int compressionType = compressionTypeIn;
if ( comment.length() > 0 )
{
compressionType = parseCompressionComment( comment);
if ( compressionType == MAX_INT )
{
compressionType = compressionTypeIn;
}
else if ( compressionType < 0 )
{
rc = 1;
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_COMPRESSION_TYPE)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (( compressionType > 0 ) && !(idbCompress.isCompressionAvail( compressionType )))
{
rc = 1;
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_COMPRESSION_TYPE)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if ((compressionType ==0) && (useHdfs))
{
compressionType = 2;
string errmsg ("The column is created with Columnstore compression type 2 under HDFS." );
push_warning(thd, Sql_condition::WARN_LEVEL_WARN, 9999, errmsg.c_str());
}
try {
autoIncre = parseAutoincrementColumnComment(comment, startValue);
}
catch (runtime_error& ex)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, ex.what());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (autoIncre)
{
//Check if the table already has autoincrement column
boost::shared_ptr<CalpontSystemCatalog> csc = CalpontSystemCatalog::makeCalpontSystemCatalog(sessionID);
csc->identity(execplan::CalpontSystemCatalog::FE);
CalpontSystemCatalog::TableName tableName;
tableName.schema = alterTable->fTableName->fSchema;
tableName.table = alterTable->fTableName->fName;
CalpontSystemCatalog::TableInfo tblInfo;
try {
tblInfo = csc->tableInfo(tableName);
}
catch (runtime_error& ex)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, ex.what());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (tblInfo.tablewithautoincr == 1)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_NUMBER_AUTOINCREMENT)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (!validateAutoincrementDatatype(addColumnsPtr->fColumns[0]->fType->fType))
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_AUTOINCREMENT_TYPE)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (!validateNextValue(addColumnsPtr->fColumns[0]->fType->fType, startValue))
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_STARTVALUE)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (startValue <= 0)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_NEGATIVE_STARTVALUE)).c_str());
return rc;
}
}
}
addColumnsPtr->fColumns[0]->fType->fCompressiontype = compressionType;
if (autoIncre)
addColumnsPtr->fColumns[0]->fType->fAutoincrement = "y";
else
addColumnsPtr->fColumns[0]->fType->fAutoincrement = "n";
addColumnsPtr->fColumns[0]->fType->fNextvalue = startValue;
}
else if (ddlpackage::AtaRenameColumn* renameColumnsPtr = dynamic_cast<AtaRenameColumn*>(actionList[i]))
{
//cout << "Rename a column" << endl;
uint64_t startValue = 1;
bool autoIncre = false;
//@Bug 3746 Handle compression type
string comment = renameColumnsPtr->fComment;
int compressionType = compressionTypeIn;
if ( comment.length() > 0 )
{
compressionType = parseCompressionComment( comment);
if ( compressionType == MAX_INT )
{
compressionType = compressionTypeIn;
}
else if ( compressionType < 0 )
{
rc = 1;
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_COMPRESSION_TYPE)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (( compressionType > 0 ) && !(idbCompress.isCompressionAvail( compressionType )))
{
rc = 1;
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_COMPRESSION_TYPE)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if ((compressionType ==0) && (useHdfs))
{
compressionType = 2;
string errmsg ("The column is created with Columnstore compression type 2 under HDFS." );
push_warning(thd, Sql_condition::WARN_LEVEL_WARN, 9999, errmsg.c_str());
}
}
//Handle autoincrement
if ( comment.length() > 0 )
{
try {
autoIncre = parseAutoincrementColumnComment(comment, startValue);
}
catch (runtime_error& ex)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, ex.what());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (autoIncre)
{
//Check if the table already has autoincrement column
CalpontSystemCatalog::TableName tableName;
tableName.schema = alterTable->fTableName->fSchema;
tableName.table = alterTable->fTableName->fName;
//CalpontSystemCatalog::TableInfo tblInfo = csc->tableInfo(tableName);
//@Bug 5444. rename column doen't need to check this.
/* if (tblInfo.tablewithautoincr == 1)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_NUMBER_AUTOINCREMENT)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
} */
if (!validateAutoincrementDatatype(renameColumnsPtr->fNewType->fType))
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_AUTOINCREMENT_TYPE)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (!validateNextValue(renameColumnsPtr->fNewType->fType, startValue))
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_INVALID_STARTVALUE)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
}
}
if (autoIncre)
renameColumnsPtr->fNewType->fAutoincrement = "y";
else
renameColumnsPtr->fNewType->fAutoincrement = "n";
renameColumnsPtr->fNewType->fNextvalue = startValue;
renameColumnsPtr->fNewType->fCompressiontype = compressionType;
if (renameColumnsPtr->fConstraints.size() > 0)
{
for (uint32_t j=0; j < renameColumnsPtr->fConstraints.size(); j++)
{
if (renameColumnsPtr->fConstraints[j]->fConstraintType == DDL_NOT_NULL)
{
//If NOT NULL constraint is added, check whether the existing rows has null vlues. If there is, error out the query.
bool anyNullVal = false;
try {
anyNullVal = anyNullInTheColumn (alterTable->fTableName->fSchema, alterTable->fTableName->fName, renameColumnsPtr->fName, sessionID);
}
catch (runtime_error& ex)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, ex.what());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
catch (...)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "Unknown exception caught when checking any existing null values in the column.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
if (anyNullVal)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "The existing rows in this column has null value already.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
}
else
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_CHECK_NOT_IMPLEMENTED, (IDBErrorInfo::instance()->errorMsg(ERR_CONSTRAINTS)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
}
}
}
else
{
}
}
}
//@Bug 5923 error out on unsupported statements.
else if (( typeid ( stmt ) != typeid ( DropTableStatement )) && ( typeid ( stmt ) != typeid ( TruncTableStatement ))
&& ( typeid ( stmt ) != typeid ( MarkPartitionStatement )) && ( typeid ( stmt ) != typeid ( RestorePartitionStatement ))
&& ( typeid ( stmt ) != typeid ( DropPartitionStatement )))
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, (IDBErrorInfo::instance()->errorMsg(ERR_NON_SUPPORT_SYNTAX)).c_str());
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
//@Bug 4387
scoped_ptr<DBRM> dbrmp(new DBRM());
int rc = dbrmp->isReadWrite();
if (rc != 0 )
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "Cannot execute the statement. DBRM is read only!");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
return rc;
}
stmt.fSessionID = sessionID;
stmt.fSql = ddlStatement;
stmt.fOwner = schema;
stmt.fTableWithAutoi = isAnyAutoincreCol;
//cout << "Sending to DDLProc" << endl;
ByteStream bytestream;
bytestream << stmt.fSessionID;
stmt.serialize(bytestream);
MessageQueueClient mq("DDLProc");
ByteStream::byte b=0;
try
{
mq.write(bytestream);
bytestream = mq.read();
if ( bytestream.length() == 0 )
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "Lost connection to DDLProc");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
}
else
{
bytestream >> b;
bytestream >> emsg;
rc = b;
}
}
catch (runtime_error& e)
{
rc =1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "Lost connection to DDLProc");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
}
catch (...)
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, "Unknown error caught");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
}
if ((b != 0) && (b!=ddlpackageprocessor::DDLPackageProcessor::WARNING))
{
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_INTERNAL_ERROR, emsg.c_str());
}
if (b ==ddlpackageprocessor::DDLPackageProcessor::WARNING)
{
rc = 0;
string errmsg ("Error occured during file deletion. Restart DMLProc or use command tool ddlcleanup to clean up. " );
push_warning(thd, Sql_condition::WARN_LEVEL_WARN, 9999, errmsg.c_str());
}
return rc;
}
else
{
rc = 1;
thd->get_stmt_da()->set_overwrite_status(true);
//@Bug 3602. Error message for MySql syntax for autoincrement
algorithm::to_upper(ddlStatement);
if (ddlStatement.find("AUTO_INCREMENT") != string::npos)
{
thd->raise_error_printf(ER_CHECK_NOT_IMPLEMENTED, "Use of the MySQL auto_increment syntax is not supported in Columnstore. If you wish to create an auto increment column in Columnstore, please consult the Columnstore SQL Syntax Guide for the correct usage.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
}
else
{
//@Bug 1888,1885. update error message
thd->raise_error_printf(ER_CHECK_NOT_IMPLEMENTED, "The syntax or the data type(s) is not supported by Columnstore. Please check the Columnstore syntax guide for supported syntax or data types.");
ci->alterTableState = cal_connection_info::NOT_ALTER;
ci->isAlter = false;
}
}
return rc;
}
pair<string, string> parseTableName(const string& tn)
{
string db;
string tb;
typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
#ifdef _MSC_VER
boost::char_separator<char> sep("\\");
#else
boost::char_separator<char> sep("/");
#endif
tokenizer tokens(tn, sep);
tokenizer::iterator tok_iter = tokens.begin();
++tok_iter;
idbassert(tok_iter != tokens.end());
db = *tok_iter;
++tok_iter;
idbassert(tok_iter != tokens.end());
tb = *tok_iter;
++tok_iter;
idbassert(tok_iter == tokens.end());
return make_pair(db, tb);
}
}
int ha_calpont_impl_create_(const char *name, TABLE *table_arg, HA_CREATE_INFO *create_info, cal_connection_info& ci)
{
#ifdef INFINIDB_DEBUG
cout << "ha_calpont_impl_create_: " << name << endl;
#endif
THD *thd = current_thd;
char* query = thd->query();
if (!query)
{
setError(thd, ER_INTERNAL_ERROR, "Attempt to create table, but query is NULL");
return 1;
}
string stmt(query);
stmt += ";";
algorithm::to_upper(stmt);
string db = table_arg->s->db.str;
string tbl = table_arg->s->table_name.str;
string tablecomment;
bool isAnyAutoincreCol = false;
std::string columnName("");
uint64_t startValue = 1;
if (table_arg->s->comment.length > 0 )
{
tablecomment = table_arg->s->comment.str;
try {
isAnyAutoincreCol = parseAutoincrementTableComment(tablecomment, startValue, columnName);
}
catch (runtime_error& ex)
{
setError(thd, ER_INTERNAL_ERROR, ex.what());
return 1;
}
algorithm::to_upper(tablecomment);
}
//@Bug 2553 Add a parenthesis around option to group them together
string alterpatstr("ALTER[[:space:]]+TABLE[[:space:]]+.*[[:space:]]+(((ADD)|(DROP)|(CHANGE)|(ALTER)|(COMMENT))[[:space:]]+|(COMMENT=))");
string createpatstr("CREATE[[:space:]]+TABLE[[:space:]]");
bool schemaSyncOnly = false;
bool isCreate = true;
// relate to bug 1793. Make sure this is not for a select statement because
if (db == "calpontsys" && thd->infinidb_vtable.vtable_state == THD::INFINIDB_INIT
&& tbl != "systable"
&& tbl != "syscolumn" && tbl != "sysindex"
&& tbl != "sysconstraint" && tbl != "sysindexcol"
&& tbl != "sysconstraintcol" )
{
setError(thd, ER_INTERNAL_ERROR, "Cannot create non-system Calpont tables in calpontsys database");
return 1;
}
regex pat("[[:space:]]*SCHEMA[[:space:]]+SYNC[[:space:]]+ONLY", regex_constants::extended);
if (regex_search(tablecomment, pat))
{
schemaSyncOnly = true;
pat = createpatstr;
if (!regex_search(stmt, pat))
{
isCreate = false;
}
if (isCreate)
{
#ifdef INFINIDB_DEBUG
cout << "ha_calpont_impl_create_: SCHEMA SYNC ONLY found, returning" << endl;
#endif
return 0;
}
if (thd->infinidb_vtable.vtable_state == THD::INFINIDB_ALTER_VTABLE) //check if it is select
{
return 0;
}
}
else
{
if (db == "calpontsys")
{
setError(thd, ER_INTERNAL_ERROR, "Calpont system tables can only be created with 'SCHEMA SYNC ONLY'");
return 1;
}
else if ( db == "infinidb_vtable") //@bug 3540. table created in infinidb_vtable schema could be dropped when select statement happen to have same tablename.
{
setError(thd, ER_INTERNAL_ERROR, "Table creation is not allowed in infinidb_vtable schema.");
return 1;
}
}
pat = alterpatstr;
if (regex_search(stmt, pat)) {
ci.isAlter = true;
ci.alterTableState = cal_connection_info::ALTER_FIRST_RENAME;
#ifdef INFINIDB_DEBUG
cout << "ha_calpont_impl_create_: now in state ALTER_FIRST_RENAME" << endl;
#endif
}
string emsg;
stmt = thd->query();
stmt += ";";
int rc = 0;
// Don't do the DDL (only for create table if this is SSO. Should only get here on ATAC w/SSO.
if ( schemaSyncOnly && isCreate)
return rc;
//this is replcated DDL, treat it just like SSO
if (thd->slave_thread)
return rc;
//@bug 5660. Error out REAL DDL/DML on slave node.
// When the statement gets here, it's NOT SSO or RESTRICT
if (ci.isSlaveNode)
{
string emsg = logging::IDBErrorInfo::instance()->errorMsg(ERR_DML_DDL_SLAVE);
setError(thd, ER_CHECK_NOT_IMPLEMENTED, emsg);
return 1;
}
// @bug 3908. error out primary key for now.
if (table_arg->key_info && table_arg->key_info->name && string(table_arg->key_info->name) == "PRIMARY")
{
string emsg = logging::IDBErrorInfo::instance()->errorMsg(ERR_CONSTRAINTS);
setError(thd, ER_CHECK_NOT_IMPLEMENTED, emsg);
ci.alterTableState = cal_connection_info::NOT_ALTER;
ci.isAlter = false;
return 1;
}
int compressiontype = thd->variables.infinidb_compression_type;
if (compressiontype == 1) compressiontype = 2;
//string tablecomment;
if (table_arg->s->comment.length > 0 )
{
tablecomment = table_arg->s->comment.str;
compressiontype = parseCompressionComment( tablecomment );
}
if ( compressiontype == MAX_INT )
compressiontype = thd->variables.infinidb_compression_type;
else if ( compressiontype < 0 )
{
string emsg = IDBErrorInfo::instance()->errorMsg(ERR_INVALID_COMPRESSION_TYPE);
setError(thd, ER_INTERNAL_ERROR, emsg);
ci.alterTableState = cal_connection_info::NOT_ALTER;
ci.isAlter = false;
return 1;
}
//hdfs
if ((compressiontype ==0) && (useHdfs))
{
compressiontype = 2;
push_warning(thd, Sql_condition::WARN_LEVEL_WARN, 9999, "The table is created with Columnstore compression type 2 under HDFS.");
}
if (compressiontype == 1) compressiontype = 2;
IDBCompressInterface idbCompress;
if ( ( compressiontype > 0 ) && !(idbCompress.isCompressionAvail( compressiontype )) )
{
string emsg = IDBErrorInfo::instance()->errorMsg(ERR_INVALID_COMPRESSION_TYPE);
setError(thd, ER_INTERNAL_ERROR, emsg);
ci.alterTableState = cal_connection_info::NOT_ALTER;
ci.isAlter = false;
return 1;
}
rc = ProcessDDLStatement(stmt, db, tbl, tid2sid(thd->thread_id), emsg, compressiontype, isAnyAutoincreCol, startValue, columnName);
if (rc != 0) {
push_warning(thd, Sql_condition::WARN_LEVEL_WARN, 9999, emsg.c_str());
//Bug 1705 reset the flag if error occurs
ci.alterTableState = cal_connection_info::NOT_ALTER;
ci.isAlter = false;
#ifdef INFINIDB_DEBUG
cout << "ha_calpont_impl_create_: ProcessDDL error, now in state NOT_ALTER" << endl;
#endif
}
return rc;
}
int ha_calpont_impl_delete_table_(const char *db, const char *name, cal_connection_info& ci)
{
#ifdef INFINIDB_DEBUG
cout << "ha_calpont_impl_delete_table: " << db << name << endl;
#endif
THD *thd = current_thd;
std::string tbl(name);
std::string schema(db);
char* query = thd->query();
if (!query)
{
setError(thd, ER_INTERNAL_ERROR, "Attempt to drop table, but query is NULL");
return 1;
}
std::string stmt(query);
algorithm::to_upper(stmt);
// cout << "ha_calpont_impl_delete_table: " << schema.c_str() << "." << tbl.c_str() << " " << stmt.c_str() << endl;
// @bug 4158 allow table name with 'restrict' in it (but not by itself)
std::string::size_type fpos;
fpos = stmt.rfind(" RESTRICT");
if ((fpos != std::string::npos) && ((stmt.size() - fpos) == 9)) //last 9 chars of stmt are " RESTRICT"
{
return 0;
}
//this is replcated DDL, treat it just like SSO
if (thd->slave_thread)
return 0;
//@bug 5660. Error out REAL DDL/DML on slave node.
// When the statement gets here, it's NOT SSO or RESTRICT
if (ci.isSlaveNode)
{
string emsg = logging::IDBErrorInfo::instance()->errorMsg(ERR_DML_DDL_SLAVE);
setError(thd, ER_CHECK_NOT_IMPLEMENTED, emsg);
return 1;
}
string emsg;
if (thd->lex->sql_command == SQLCOM_DROP_DB)
{
std::string tableName(name);
tableName.erase(0,tableName.rfind("/")+1);
stmt = std::string("DROP TABLE ") + tableName;
}
else
{
stmt = thd->query();
}
stmt += ";";
int rc = ProcessDDLStatement(stmt, schema, tbl, tid2sid(thd->thread_id), emsg);
// cout << "ProcessDDLStatement rc=" << rc << endl;
if (rc != 0)
{
push_warning(thd, Sql_condition::WARN_LEVEL_WARN, 9999, emsg.c_str());
}
return rc;
}
int ha_calpont_impl_rename_table_(const char* from, const char* to, cal_connection_info& ci)
{
THD *thd = current_thd;
string emsg;
ostringstream stmt1;
pair<string, string> fromPair;
pair<string, string> toPair;
string stmt;
//this is replcated DDL, treat it just like SSO
if (thd->slave_thread)
return 0;
//@bug 5660. Error out REAL DDL/DML on slave node.
// When the statement gets here, it's NOT SSO or RESTRICT
if (ci.isSlaveNode)
{
string emsg = logging::IDBErrorInfo::instance()->errorMsg(ERR_DML_DDL_SLAVE);
setError(current_thd, ER_CHECK_NOT_IMPLEMENTED, emsg);
return 1;
}
fromPair = parseTableName(from);
toPair = parseTableName(to);
if (fromPair.first != toPair.first)
{
thd->get_stmt_da()->set_overwrite_status(true);
thd->raise_error_printf(ER_CHECK_NOT_IMPLEMENTED, "Both tables must be in the same database to use RENAME TABLE");
return -1;
}
stmt1 << "alter table " << fromPair.second << " rename to " << toPair.second << ";";
stmt = stmt1.str();
string db;
if ( thd->db )
db = thd->db;
else if ( fromPair.first.length() !=0 )
db = fromPair.first;
else
db = toPair.first;
int rc = ProcessDDLStatement(stmt, db, "", tid2sid(thd->thread_id), emsg);
if (rc != 0)
push_warning(thd, Sql_condition::WARN_LEVEL_ERROR, 9999, emsg.c_str());
return rc;
}
extern "C"
{
#ifdef _MSC_VER
__declspec(dllexport)
#endif
long long calonlinealter(UDF_INIT* initid, UDF_ARGS* args,
char* is_null, char* error)
{
string stmt(args->args[0], args->lengths[0]);
string emsg;
THD *thd = current_thd;
string db("");
if ( thd->db )
db = thd->db;
int compressiontype = thd->variables.infinidb_compression_type;
if (compressiontype == 1) compressiontype = 2;
if ( compressiontype == MAX_INT )
compressiontype = thd->variables.infinidb_compression_type;
//hdfs
if ((compressiontype ==0) && (useHdfs))
{
compressiontype = 2;
}
if (compressiontype == 1) compressiontype = 2;
int rc = ProcessDDLStatement(stmt, db, "", tid2sid(thd->thread_id), emsg, compressiontype);
if (rc != 0)
push_warning(thd, Sql_condition::WARN_LEVEL_ERROR, 9999, emsg.c_str());
return rc;
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
my_bool calonlinealter_init(UDF_INIT* initid, UDF_ARGS* args, char* message)
{
if (args->arg_count != 1 || args->arg_type[0] != STRING_RESULT)
{
strcpy(message,"CALONLINEALTER() requires one string argument");
return 1;
}
return 0;
}
#ifdef _MSC_VER
__declspec(dllexport)
#endif
void calonlinealter_deinit(UDF_INIT* initid)
{
}
}
// vim:ts=4 sw=4:
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