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139 lines
4 KiB
C++
139 lines
4 KiB
C++
/*
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* Copyright (C) 2005-2008 MaNGOS <http://getmangos.com/>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifdef DO_POSTGRESQL
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#include "DatabaseEnv.h"
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QueryResultPostgre::QueryResultPostgre(PGresult *result, uint64 rowCount, uint32 fieldCount) :
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QueryResult(rowCount, fieldCount), mResult(result), mTableIndex(0)
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{
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mCurrentRow = new Field[mFieldCount];
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ASSERT(mCurrentRow);
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for (uint32 i = 0; i < mFieldCount; i++)
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{
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mFieldNames[i] = PQfname(result, i);
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mCurrentRow[i].SetType(ConvertNativeType(PQftype( result, i )));
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}
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}
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QueryResultPostgre::~QueryResultPostgre()
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{
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EndQuery();
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}
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bool QueryResultPostgre::NextRow()
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{
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if (!mResult)
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return false;
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if (mTableIndex >= mRowCount)
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{
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EndQuery();
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return false;
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}
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char* pPQgetvalue;
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for (int j = 0; j < mFieldCount; j++)
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{
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pPQgetvalue = PQgetvalue(mResult, mTableIndex, j);
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if(pPQgetvalue && !(*pPQgetvalue))
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pPQgetvalue = NULL;
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mCurrentRow[j].SetValue(pPQgetvalue);
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}
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++mTableIndex;
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return true;
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}
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void QueryResultPostgre::EndQuery()
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{
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if (mCurrentRow)
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{
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delete [] mCurrentRow;
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mCurrentRow = 0;
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}
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if (mResult)
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{
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PQclear(mResult);
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mResult = 0;
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}
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}
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// see types in #include <postgre/pg_type.h>
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enum Field::DataTypes QueryResultPostgre::ConvertNativeType(Oid pOid ) const
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{
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switch (pOid)
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{
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case BPCHAROID:
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case CIDOID:
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case CIDROID:
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case CIRCLEOID:
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case INETOID:
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case NAMEOID:
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case TEXTOID:
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case VARCHAROID:
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return Field::DB_TYPE_STRING;
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case CASHOID:
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case FLOAT4OID:
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case FLOAT8OID:
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case NUMERICOID:
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return Field::DB_TYPE_FLOAT;
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case DATEOID: // Date
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case RELTIMEOID: // Date
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case TIMEOID: // Time
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case TIMETZOID: // Time
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case ABSTIMEOID: // DateTime
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case INTERVALOID: // DateTime
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case TIMESTAMPOID: // DateTime
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case TIMESTAMPTZOID: // DateTime
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case INT2OID: // Int
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case INT2VECTOROID: // Int
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case INT4OID: // Int
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case OIDOID: // Int
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case CHAROID: // UInt
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case INT8OID: // LongLong
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return Field::DB_TYPE_INTEGER;
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case BOOLOID:
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return Field::DB_TYPE_BOOL; // Bool
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/*
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case BOXOID: Rect;
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case LINEOID: Rect;
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case VARBITOID: BitArray;
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case BYTEAOID: ByteArray;
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*/
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case LSEGOID:
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case OIDVECTOROID:
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case PATHOID:
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case POINTOID:
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case POLYGONOID:
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case REGPROCOID:
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case TIDOID:
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case TINTERVALOID:
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case UNKNOWNOID:
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case XIDOID:
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default:
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return Field::DB_TYPE_UNKNOWN;
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}
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return Field::DB_TYPE_UNKNOWN;
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}
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#endif
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