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type.cpp
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/*
* Copyright (C) 2008 Search Solution Corporation. All rights reserved by Search Solution.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* - Neither the name of the <ORGANIZATION> nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
*/
#include "stdafx.h"
#include "type.h"
#include "math.h"
#include "ProviderInfo.h"
namespace Type {
#define CCIDATETYPE_DATE 1
#define CCIDATETYPE_TIME 2
#define CCIDATETYPE_TIMESTAMP 3
T_CCI_U_TYPE GetCASTypeUFromProviderType(LPOLESTR provType)
{
for (int i = 0; i < ProvInfo::size_provider_types; i++)
if (!_wcsicmp(ProvInfo::provider_types[i].szName, provType))
return ProvInfo::provider_types[i].nCCIUType;
return CCI_U_TYPE_UNKNOWN;
}
HRESULT GetColumnDefinitionString(DBCOLUMNDESC colDesc, CComBSTR& strType)
{
char strColSize[15];
T_CCI_U_TYPE uType;
CComBSTR defaultVal;
ULONG cPropertySets = colDesc.cPropertySets;
bool bIsFixedLength = false;
bool bIsNullable = true;
bool bIsLong = false;
bool bIsPrimaryKey = false;
bool bIsUnique = false;
bool bHasDefault = false;
HRESULT hr = S_OK;
if (cPropertySets)
{
if (!(colDesc.rgPropertySets))
return E_INVALIDARG;
// TODO: CUtlProps를 이용하면 좋지 않을까?
//DBPROPSET_COLUMN property set이 있기만 하면 에러는 없으며 나머지 property set은 무시
for (ULONG i = 0; i < cPropertySets; i++)
{
if (colDesc.rgPropertySets[i].cProperties &&
!colDesc.rgPropertySets[i].rgProperties)
return E_INVALIDARG;
if (colDesc.rgPropertySets[i].guidPropertySet == DBPROPSET_COLUMN)
{
ULONG numProp = colDesc.rgPropertySets[i].cProperties;
for (ULONG j = 0; j < numProp; j++)
{
DBPROPID propID = colDesc.rgPropertySets[i].rgProperties[j].dwPropertyID;
VARIANT val = colDesc.rgPropertySets[i].rgProperties[j].vValue;
VARTYPE type = colDesc.rgPropertySets[i].rgProperties[j].vValue.vt;
DBPROPOPTIONS options = colDesc.rgPropertySets[i].rgProperties[j].dwOptions;
DBPROPSTATUS* status = &colDesc.rgPropertySets[i].rgProperties[j].dwStatus;
if (options != DBPROPOPTIONS_REQUIRED &&
options != DBPROPOPTIONS_OPTIONAL)
{
*status = DBPROPSTATUS_BADOPTION;
return DB_E_ERRORSOCCURRED;
}
//프로퍼티에 맞는 타입인지 체크
if ((propID == DBPROP_COL_FIXEDLENGTH) ||
(propID == DBPROP_COL_NULLABLE) ||
(propID == DBPROP_COL_ISLONG) ||
(propID == DBPROP_COL_PRIMARYKEY) ||
(propID == DBPROP_COL_UNIQUE))
{
if (type != VT_BOOL) //Type Error
{
*status = DBPROPSTATUS_BADVALUE;
if (options == DBPROPOPTIONS_REQUIRED)
{
return DB_E_ERRORSOCCURRED;
} else
hr = DB_S_ERRORSOCCURRED;
} else
{
switch(propID)
{
case DBPROP_COL_FIXEDLENGTH:
bIsFixedLength = (V_BOOL(&val)==VARIANT_TRUE);
*status = DBPROPSTATUS_OK;
break;
case DBPROP_COL_NULLABLE:
if (bIsPrimaryKey)
{
*status = DBPROPSTATUS_CONFLICTING;
if (options == DBPROPOPTIONS_REQUIRED)
{
return DB_E_ERRORSOCCURRED;
} else
hr = DB_S_ERRORSOCCURRED;
} else
{
if (V_BOOL(&val)==VARIANT_FALSE)
bIsNullable = false;
*status = DBPROPSTATUS_OK;
}
break;
case DBPROP_COL_ISLONG:
bIsLong = (V_BOOL(&val)==VARIANT_TRUE);
*status = DBPROPSTATUS_OK;
break;
case DBPROP_COL_PRIMARYKEY:
if (bIsUnique || bHasDefault)
{
*status = DBPROPSTATUS_CONFLICTING;
if (options == DBPROPOPTIONS_REQUIRED)
{
return DB_E_ERRORSOCCURRED;
} else
hr = DB_S_ERRORSOCCURRED;
} else
{
bIsPrimaryKey = (V_BOOL(&val)==VARIANT_TRUE);
*status = DBPROPSTATUS_OK;
}
break;
case DBPROP_COL_UNIQUE:
if (bIsPrimaryKey)
{
*status = DBPROPSTATUS_CONFLICTING;
if (options == DBPROPOPTIONS_REQUIRED)
{
return DB_E_ERRORSOCCURRED;
} else
hr = DB_S_ERRORSOCCURRED;
} else
{
bIsUnique = (V_BOOL(&val)==VARIANT_TRUE);
*status = DBPROPSTATUS_OK;
}
break;
}
}
} else if (propID == DBPROP_COL_DEFAULT)
{
if (bIsPrimaryKey)
{
*status = DBPROPSTATUS_CONFLICTING;
if (options == DBPROPOPTIONS_REQUIRED)
{
return DB_E_ERRORSOCCURRED;
} else
hr = DB_S_ERRORSOCCURRED;
} else
{
CComVariant variant(val);
if (FAILED(variant.ChangeType(VT_BSTR)))
{
*status = DBPROPSTATUS_BADVALUE;
if (options == DBPROPOPTIONS_REQUIRED)
{
return DB_E_ERRORSOCCURRED;
} else
hr = DB_S_ERRORSOCCURRED;
} else
{
bHasDefault = true;
defaultVal.Append(variant.bstrVal);
*status = DBPROPSTATUS_OK;
}
}
}
else
{
*status = DBPROPSTATUS_NOTSUPPORTED;
if (options == DBPROPOPTIONS_REQUIRED)
return DB_E_ERRORSOCCURRED;
else
hr = DB_S_ERRORSOCCURRED;
}
}
}
else
{
for (ULONG j = 0; j < colDesc.rgPropertySets[i].cProperties; j++)
{
colDesc.rgPropertySets[i].rgProperties[j].dwStatus = DBPROPSTATUS_NOTSUPPORTED;
if (colDesc.rgPropertySets[i].rgProperties[j].dwOptions == DBPROPOPTIONS_REQUIRED)
return DB_E_ERRORSOCCURRED;
else
hr = DB_S_ERRORSOCCURRED;
}
}
}
}
if (colDesc.pTypeInfo)
return DB_E_BADTYPE;
if (colDesc.pwszTypeName && wcslen(colDesc.pwszTypeName) > 0)
{
/* CUBRID Provider-Specific types
L"CHAR"
L"VARCHAR"
L"NCHAR"
L"NCHAR VARYING"
L"BIT"
L"BIT VARYING"
L"NUMERIC"
L"INT"
L"SMALLINT"
L"FLOAT"
L"DOUBLE"
L"MONETARY"
L"DATE"
L"TIME"
L"TIMESTAMP"
*/
LPWSTR pwszTypeName = colDesc.pwszTypeName;
DBLENGTH colSize = colDesc.ulColumnSize;
T_CCI_U_TYPE targetType;
DBTYPE validType = GetOledbTypeFromName(pwszTypeName);
if (validType != colDesc.wType)
return DB_E_BADTYPE;
if (!_wcsicmp(pwszTypeName, L"CHAR") || !_wcsicmp(pwszTypeName, L"VARCHAR"))
{
if (bIsFixedLength) targetType = CCI_U_TYPE_CHAR;
else targetType = CCI_U_TYPE_STRING;
if (!colSize)
{
StaticTypeInfo tInfo = GetStaticTypeInfo(targetType);
colSize = tInfo.ulSize;
}
if (bIsFixedLength) strType.Append("CHAR");
else strType.Append("VARCHAR");
sprintf(strColSize, "(%ld)", colSize);
strType.Append(strColSize);
} else if (!_wcsicmp(pwszTypeName, L"NCHAR") || !_wcsicmp(pwszTypeName, L"NCHAR VARYING"))
{
if (bIsFixedLength) targetType = CCI_U_TYPE_NCHAR;
else targetType = CCI_U_TYPE_VARNCHAR;
if (!colSize)
{
StaticTypeInfo tInfo = GetStaticTypeInfo(targetType);
colSize = tInfo.ulSize;
} else
colSize *= 2;
if (bIsFixedLength) strType.Append("NCHAR");
else strType.Append("NCHAR VARYING");
sprintf(strColSize, "(%ld)", colSize);
strType.Append(strColSize);
} else if (!_wcsicmp(pwszTypeName, L"BIT") || !_wcsicmp(pwszTypeName, L"BIT VARYING"))
{
if (bIsFixedLength) targetType = CCI_U_TYPE_BIT;
else targetType = CCI_U_TYPE_VARBIT;
if (!colSize)
{
StaticTypeInfo tInfo = GetStaticTypeInfo(targetType);
colSize = tInfo.ulSize;
} else
colSize *= 8;
if (bIsFixedLength) strType.Append("BIT");
else strType.Append("BIT VARYING");
sprintf(strColSize, "(%u)", colSize);
strType.Append(strColSize);
} else if (!_wcsicmp(pwszTypeName, L"NUMERIC"))
{
if (colDesc.bPrecision < 1 || colDesc.bPrecision > 38)
return DB_E_BADPRECISION;
if (colDesc.bPrecision < colDesc.bScale)
return DB_E_BADSCALE;
strType.Append(pwszTypeName);
sprintf(strColSize, "(%ld,%ld)", colDesc.bPrecision, colDesc.bScale);
strType.Append(strColSize);
} else if (!_wcsicmp(pwszTypeName, L"INT") || !_wcsicmp(pwszTypeName, L"SMALLINT") ||
!_wcsicmp(pwszTypeName, L"FLOAT") || !_wcsicmp(pwszTypeName, L"DOUBLE") ||
!_wcsicmp(pwszTypeName, L"MONETARY") || !_wcsicmp(pwszTypeName, L"DATE") ||
!_wcsicmp(pwszTypeName, L"TIME") || !_wcsicmp(pwszTypeName, L"TIMESTAMP"))
{
strType.Append(pwszTypeName);
}
} else
{
uType = GetCASTypeU(colDesc.wType);
if (uType == CCI_U_TYPE_UNKNOWN)
return DB_E_BADTYPE;
DBLENGTH colSize;
//컬럼 사이즈가 0인 경우는 static type info에서 컬럼 사이즈를 가져온다
if (!colDesc.ulColumnSize)
{
StaticTypeInfo tInfo = GetStaticTypeInfo(uType);
colSize = tInfo.ulSize;
} else
colSize = colDesc.ulColumnSize;
switch (uType)
{
case CCI_U_TYPE_CHAR:
sprintf(strColSize, "(%ld)", colSize);
strType.Append(strColSize);
break;
case CCI_U_TYPE_STRING :
if (bIsFixedLength)
strType.Append(L"Char");
else
strType.Append(L"Varchar");
sprintf(strColSize, "(%ld)", colSize);
strType.Append(strColSize);
break;
case CCI_U_TYPE_NCHAR :
if (bIsFixedLength)
strType.Append(L"NChar");
else
strType.Append(L"NChar Varying");
//사용자가 원하는 길이의 두 배로 저장해야 한다
if (colDesc.ulColumnSize)
colSize *= 2;
sprintf(strColSize, "(%ld)", colSize);
strType.Append(strColSize);
break;
case CCI_U_TYPE_BIT :
if (bIsFixedLength)
strType.Append(L"Bit");
else
strType.Append(L"Bit Varying");
//사용자가 원하는 길이의 여덟 배로 저장해야 한다
if (colDesc.ulColumnSize)
colSize *= 8;
sprintf(strColSize, "(%u)", colSize);
strType.Append(strColSize);
break;
case CCI_U_TYPE_NUMERIC :
if (colDesc.bPrecision < 1 || colDesc.bPrecision > 38)
return DB_E_BADPRECISION;
if (colDesc.bPrecision < colDesc.bScale)
return DB_E_BADSCALE;
strType.Append(L"Numeric");
sprintf(strColSize, "(%ld,%ld)", colDesc.bPrecision, colDesc.bScale);
strType.Append(strColSize);
break;
case CCI_U_TYPE_INT : strType.Append(L"Integer");
break;
case CCI_U_TYPE_SHORT : strType.Append(L"Smallint");
break;
case CCI_U_TYPE_MONETARY : strType.Append(L"Monetary");
break;
case CCI_U_TYPE_FLOAT : strType.Append(L"Float");
break;
case CCI_U_TYPE_DOUBLE : strType.Append(L"Double");
break;
case CCI_U_TYPE_DATE : strType.Append(L"Date");
break;
case CCI_U_TYPE_TIME : strType.Append(L"Time");
break;
case CCI_U_TYPE_TIMESTAMP : strType.Append(L"Timestamp");
break;
case CCI_U_TYPE_SET : strType.Append(L"SET");
break;
case CCI_U_TYPE_MULTISET : strType.Append(L"Multiset");
break;
case CCI_U_TYPE_SEQUENCE : strType.Append(L"Sequence");
break;
case CCI_U_TYPE_OBJECT : strType.Append(L"Object");
break;
default : strType.Append(L"");
}
}
if (bHasDefault)
{
strType.Append(L" DEFAULT ");
strType.Append(defaultVal);
}
if (bIsPrimaryKey)
strType.Append(L" PRIMARY KEY ");
if (!bIsNullable)
strType.Append(L" NOT NULL ");
if (bIsUnique)
strType.Append(L" UNIQUE ");
return hr;
}
T_CCI_A_TYPE GetCASTypeA(DBTYPE wType)
{
switch(wType)
{
case DBTYPE_I1:
case DBTYPE_I2:
case DBTYPE_I4:
case DBTYPE_UI1:
case DBTYPE_UI2:
case DBTYPE_UI4:
return CCI_A_TYPE_INT;
case DBTYPE_I8:
case DBTYPE_UI8:
return CCI_A_TYPE_BIGINT;
case DBTYPE_R4:
return CCI_A_TYPE_FLOAT;
case DBTYPE_R8:
return CCI_A_TYPE_DOUBLE;
case DBTYPE_BOOL:
case DBTYPE_BYTES:
return CCI_A_TYPE_BIT;
case DBTYPE_DECIMAL:
case DBTYPE_NUMERIC:
case DBTYPE_WSTR:
case DBTYPE_BSTR:
case DBTYPE_STR:
return CCI_A_TYPE_STR;
case DBTYPE_DBDATE:
case DBTYPE_DBTIME:
case DBTYPE_DBTIMESTAMP:
return CCI_A_TYPE_DATE;
}
return CCI_A_TYPE_FIRST;
}
T_CCI_U_TYPE GetCASTypeU(DBTYPE wType)
{
switch(wType)
{
case DBTYPE_I1:
return CCI_U_TYPE_CHAR;
case DBTYPE_I2:
return CCI_U_TYPE_SHORT;
case DBTYPE_I4:
return CCI_U_TYPE_INT;
case DBTYPE_R4:
return CCI_U_TYPE_FLOAT;
case DBTYPE_R8:
return CCI_U_TYPE_DOUBLE;
case DBTYPE_BOOL:
case DBTYPE_BYTES:
return CCI_U_TYPE_BIT;
case DBTYPE_UI2:
case DBTYPE_UI4:
case DBTYPE_UI8:
case DBTYPE_DECIMAL:
case DBTYPE_NUMERIC:
return CCI_U_TYPE_NUMERIC;
case DBTYPE_DBDATE:
return CCI_U_TYPE_DATE;
case DBTYPE_DBTIME:
return CCI_U_TYPE_TIME;
case DBTYPE_DBTIMESTAMP:
return CCI_U_TYPE_TIMESTAMP;
case DBTYPE_BSTR:
case DBTYPE_WSTR:
return CCI_U_TYPE_NCHAR;
case DBTYPE_STR:
return CCI_U_TYPE_STRING;
}
return CCI_U_TYPE_UNKNOWN;
}
HRESULT OLEDBValueToCCIValue(DBTYPE wType, T_CCI_A_TYPE* aType, T_CCI_U_TYPE* uType,
void *pValue, DBLENGTH dwLength, void** dstValue, DBSTATUS* status, const CComPtr<IDataConvert> &spConvert, UINT uCodepage)
{
if(pValue==NULL) return E_FAIL;
switch(wType)
{
case DBTYPE_UI1:
case DBTYPE_I1:
*dstValue = CoTaskMemAlloc(sizeof(int));
*(int*)*dstValue = *(BYTE*)pValue;
break;
case DBTYPE_I2:
*dstValue = CoTaskMemAlloc(sizeof(int));
*(int*)*dstValue = *(short*)pValue;
break;
case DBTYPE_I4:
*dstValue = CoTaskMemAlloc(sizeof(int));
*(int*)*dstValue = *(int*)pValue;
break;
case DBTYPE_I8:
/*
value = CoTaskMemAlloc(sizeof(LONGLONG));
*(LONGLONG*)value = *(LONGLONG*)pValue;
break;
*/
*status = DBSTATUS_E_DATAOVERFLOW;
return DB_E_ERRORSOCCURRED;
case DBTYPE_R4:
*dstValue = CoTaskMemAlloc(sizeof(float));
*(float*)*dstValue = *(float*)pValue;
break;
case DBTYPE_R8:
*dstValue = CoTaskMemAlloc(sizeof(double));
*(double*)*dstValue = *(double*)pValue;
break;
case DBTYPE_BOOL:
*dstValue = CoTaskMemAlloc(sizeof(VARIANT));
((VARIANT *)*dstValue)->boolVal = ((VARIANT *)pValue)->boolVal;
break;
case DBTYPE_BYTES:
*dstValue = CoTaskMemAlloc(sizeof(T_CCI_BIT));
((T_CCI_BIT *)*dstValue)->size = (int)dwLength;
((T_CCI_BIT *)*dstValue)->buf = 0;
if(pValue && dwLength>0)
{
((T_CCI_BIT *)*dstValue)->buf = (char *)CoTaskMemAlloc(dwLength);
memcpy(((T_CCI_BIT *)*dstValue)->buf, pValue, dwLength);
}
break;
case DBTYPE_BSTR:
case DBTYPE_WSTR:
/*{
WCHAR *src = (WCHAR *)pValue;
DBLENGTH DstLen;
DBSTATUS dbStat = DBSTATUS_S_OK;
DBLENGTH cbMaxLen = dwLength + 1;
*dstValue = CoTaskMemAlloc(cbMaxLen + 1);
HRESULT hr = spConvert->DataConvert(wType, DBTYPE_STR, dwLength, &DstLen,
src, *dstValue, cbMaxLen, dbStat, &dbStat, 0, 0, 0);
if (FAILED(hr)) return hr;
}*/
*dstValue = CoTaskMemAlloc((dwLength + 1) * sizeof(wchar_t));
strcpy((char *)*dstValue, CW2A((wchar_t *)pValue, uCodepage));
break;
case DBTYPE_STR:
/*{
char *src = (char *)pValue;
DBLENGTH DstLen;
DBSTATUS dbStat = DBSTATUS_S_OK;
DBLENGTH cbMaxLen = dwLength + 1;
*dstValue = CoTaskMemAlloc(cbMaxLen + 1);
HRESULT hr = spConvert->DataConvert(wType, DBTYPE_STR, dwLength, &DstLen,
src, *dstValue, cbMaxLen, dbStat, &dbStat, 0, 0, 0);
if (FAILED(hr)) return hr;
}*/
*dstValue = CoTaskMemAlloc((dwLength + 1) * sizeof(char));
strcpy((char *)*dstValue, (char *)pValue);
break;
case DBTYPE_DBDATE:
*dstValue = CoTaskMemAlloc(sizeof(T_CCI_DATE));
((T_CCI_DATE *)*dstValue)->yr = ((DBDATE *)pValue)->year;
((T_CCI_DATE *)*dstValue)->mon = ((DBDATE *)pValue)->month;
((T_CCI_DATE *)*dstValue)->day = ((DBDATE *)pValue)->day;
break;
case DBTYPE_DBTIME:
*dstValue = CoTaskMemAlloc(sizeof(T_CCI_DATE));
((T_CCI_DATE *)*dstValue)->hh = ((DBTIME *)pValue)->hour;
((T_CCI_DATE *)*dstValue)->mm = ((DBTIME *)pValue)->minute;
((T_CCI_DATE *)*dstValue)->ss = ((DBTIME *)pValue)->second;
break;
case DBTYPE_DBTIMESTAMP:
*dstValue = CoTaskMemAlloc(sizeof(T_CCI_DATE));
((T_CCI_DATE *)*dstValue)->yr = ((DBTIMESTAMP *)pValue)->year;
((T_CCI_DATE *)*dstValue)->mon = ((DBTIMESTAMP *)pValue)->month;
((T_CCI_DATE *)*dstValue)->day = ((DBTIMESTAMP *)pValue)->day;
((T_CCI_DATE *)*dstValue)->hh = ((DBTIMESTAMP *)pValue)->hour;
((T_CCI_DATE *)*dstValue)->mm = ((DBTIMESTAMP *)pValue)->minute;
((T_CCI_DATE *)*dstValue)->ss = ((DBTIMESTAMP *)pValue)->second;
break;
case DBTYPE_DECIMAL:
case DBTYPE_NUMERIC:
{
DB_NUMERIC *src = (DB_NUMERIC *)pValue;
DBLENGTH DstLen;
DBSTATUS dbStat = DBSTATUS_S_OK;
DBLENGTH cbMaxLen = 41;
*dstValue = CoTaskMemAlloc(cbMaxLen + 1);
spConvert->DataConvert(DBTYPE_NUMERIC, DBTYPE_STR, sizeof(DB_NUMERIC), &DstLen,
src, *dstValue, cbMaxLen, dbStat, &dbStat, src->precision, src->scale, 0);
}
break;
case DBTYPE_VARIANT:
{
VARIANT* var = (VARIANT *)pValue;
DBTYPE targetType = var->vt;
DBLENGTH SrcLen = dwLength, DstLen;
DBSTATUS dbStat = DBSTATUS_S_OK;
DBLENGTH cbMaxLen = 0;
switch (targetType)
{
case VT_UI1:
case VT_I1:
case VT_I2:
*dstValue = CoTaskMemAlloc(sizeof(short));
*aType = CCI_A_TYPE_INT;
*uType = CCI_U_TYPE_SHORT;
break;
case VT_I4:
case VT_INT:
case VT_UINT:
*dstValue = CoTaskMemAlloc(sizeof(int));
*aType = CCI_A_TYPE_INT;
*uType = CCI_U_TYPE_INT;
break;
case VT_I8:
*dstValue = CoTaskMemAlloc(sizeof(__int64));
*aType = CCI_A_TYPE_BIGINT;
*uType = CCI_U_TYPE_BIGINT;
break;
case VT_R4:
*dstValue = CoTaskMemAlloc(sizeof(float));
*aType = CCI_A_TYPE_FLOAT;
*uType = CCI_U_TYPE_FLOAT;
break;
case VT_R8:
*dstValue = CoTaskMemAlloc(sizeof(double));
*aType = CCI_A_TYPE_DOUBLE;
*uType = CCI_U_TYPE_DOUBLE;
break;
case VT_DATE:
*dstValue = CoTaskMemAlloc(sizeof(T_CCI_DATE));
((T_CCI_DATE *)*dstValue)->yr = ((DBTIMESTAMP *)pValue)->year;
((T_CCI_DATE *)*dstValue)->mon = ((DBTIMESTAMP *)pValue)->month;
((T_CCI_DATE *)*dstValue)->day = ((DBTIMESTAMP *)pValue)->day;
((T_CCI_DATE *)*dstValue)->hh = ((DBTIMESTAMP *)pValue)->hour;
((T_CCI_DATE *)*dstValue)->mm = ((DBTIMESTAMP *)pValue)->minute;
((T_CCI_DATE *)*dstValue)->ss = ((DBTIMESTAMP *)pValue)->second;
*aType = CCI_A_TYPE_DATE;
*uType = CCI_U_TYPE_TIMESTAMP;
break;
case VT_BSTR:
{
cbMaxLen = (dwLength + 1) * sizeof(WCHAR);
PWSTR buf = (PWSTR) malloc(cbMaxLen);
HRESULT hr = spConvert->DataConvert(DBTYPE_VARIANT, targetType, SrcLen, &DstLen,
var, buf, cbMaxLen, dbStat, &dbStat, 0, 0, 0);
if (FAILED(hr)) return hr;
*dstValue = CoTaskMemAlloc((dwLength + 1) * 3);
strcpy((char*) *dstValue, CW2A(buf, uCodepage));
DstLen = strlen((const char*) *dstValue);
*aType = CCI_A_TYPE_STR;
*uType = CCI_U_TYPE_STRING;
}
break;
case VT_DECIMAL:
DB_NUMERIC *src = (DB_NUMERIC *)pValue;
SrcLen = sizeof(DB_NUMERIC);
cbMaxLen = 41;
*dstValue = CoTaskMemAlloc(cbMaxLen + 1);
targetType = DBTYPE_STR;
*aType = CCI_A_TYPE_STR;
*uType = CCI_U_TYPE_NUMERIC;
break;
}
if (targetType != VT_DATE && targetType != VT_BSTR)
{
HRESULT hr = spConvert->DataConvert(DBTYPE_VARIANT, targetType, SrcLen, &DstLen,
var, *dstValue, cbMaxLen, dbStat, &dbStat, 0, 0, 0);
if (FAILED(hr)) return hr;
}
}
break;
}
return S_OK;
}
DBTYPE GetOledbTypeFromName(LPCWSTR pwszName)
{
const struct
{
LPCWSTR pwszName;
DBTYPE wType;
} types[] = {
{ L"DBTYPE_I1", DBTYPE_I1 }, { L"INTEGER(1)", DBTYPE_I1 },
{ L"TINYINT", DBTYPE_I1 },
{ L"DBTYPE_I2", DBTYPE_I2 }, { L"INTEGER(2)", DBTYPE_I2 },
{ L"AUTOINC(2)", DBTYPE_I2 }, { L"SMALLINT", DBTYPE_I2 },
{ L"SMALLINDENTITY", DBTYPE_I2 }, { L"YEAR", DBTYPE_I2 },
{ L"DBTYPE_I4", DBTYPE_I4 }, { L"INTEGER(4)", DBTYPE_I4 },
{ L"AUTOINC(4)", DBTYPE_I4 }, { L"INTEGER", DBTYPE_I4 },
{ L"MEDIUMINT", DBTYPE_I4 }, { L"INT", DBTYPE_I4 },
{ L"IDENTITY", DBTYPE_I4 },
{ L"DBTYPE_I8", DBTYPE_I8 }, { L"INTEGER(8)", DBTYPE_I8 },
{ L"BIGINT", DBTYPE_I8 },
{ L"DBTYPE_R4", DBTYPE_R4 }, { L"FLOAT(4)", DBTYPE_R4 },
{ L"BFLOAT(4)", DBTYPE_R4 }, { L"REAL", DBTYPE_R4 },
{ L"FLOAT", DBTYPE_R4 }, { L"FLOAT UNSIGNED", DBTYPE_R4 },
{ L"DBTYPE_R8", DBTYPE_R8 }, { L"FLOAT(8)", DBTYPE_R8 },
{ L"BFLOAT(8)", DBTYPE_R8 }, { L"MONEY", DBTYPE_R8 },
{ L"DECIMAL", DBTYPE_R8 }, { L"DOUBLE", DBTYPE_R8 },
{ L"DOUBLE UNSIGNED", DBTYPE_R8 }, { L"DOUBLE PRECISION", DBTYPE_R8 },
{ L"NUMERIC", DBTYPE_R8 }, { L"NUMERICSA", DBTYPE_R8 },
{ L"NUMERICSTS", DBTYPE_R8 }, { L"MONETARY", DBTYPE_R8 },
{ L"DBTYPE_CY", DBTYPE_CY }, { L"CURRENCY", DBTYPE_CY },
{ L"DBTYPE_BOOL", DBTYPE_BOOL }, { L"LOGICAL", DBTYPE_BOOL },
//{ L"BIT", DBTYPE_BOOL },
{ L"DBTYPE_UI1", DBTYPE_UI1 }, { L"UNSIGNED(1)", DBTYPE_UI1 },
{ L"UTINYINT", DBTYPE_UI1 }, { L"TINYINT UNSIGNED", DBTYPE_UI1 },
{ L"DBTYPE_UI2", DBTYPE_UI2 }, { L"UNSIGNED(2)", DBTYPE_UI2 },
{ L"USMALLINT", DBTYPE_UI2 }, { L"SMALLINT UNSIGNED", DBTYPE_UI2 },
{ L"DBTYPE_UI4", DBTYPE_UI4 }, { L"UNSIGNED(4)", DBTYPE_UI4 },
{ L"UINTEGER", DBTYPE_UI4 }, { L"INTEGER UNSIGNED", DBTYPE_UI4 },
{ L"MEDIUMINT UNSIGNED", DBTYPE_UI4 },
{ L"DBTYPE_UI8", DBTYPE_UI8 }, { L"UNSIGNED(8)", DBTYPE_UI8 },
{ L"BIGINT UNSIGNED", DBTYPE_UI8 }, { L"UBIGINT", DBTYPE_UI8 },
{ L"DBTYPE_STR", DBTYPE_STR }, { L"CHARACTER", DBTYPE_STR },
{ L"LSTRING", DBTYPE_STR }, { L"ZSTRING", DBTYPE_STR },
{ L"NOTE", DBTYPE_STR }, { L"CHAR", DBTYPE_STR },
{ L"VARCHAR", DBTYPE_STR }, { L"LONGVARCHAR", DBTYPE_STR },
{ L"BLOB", DBTYPE_STR }, { L"TINYBLOB", DBTYPE_STR },
{ L"MEDIUMBLOB", DBTYPE_STR }, { L"LONGBLOB", DBTYPE_STR },
{ L"TEXT", DBTYPE_STR }, { L"TINYTEXT", DBTYPE_STR },
{ L"MEDIUMTEXT", DBTYPE_STR }, { L"LONGTEXT", DBTYPE_STR },
{ L"NULL", DBTYPE_STR }, { L"ENUM", DBTYPE_STR },
{ L"SET", DBTYPE_STR },
{ L"NCHAR", DBTYPE_WSTR }, { L"NCHAR VARYING", DBTYPE_WSTR },
{ L"DBTYPE_BYTES", DBTYPE_BYTES }, { L"LVAR", DBTYPE_BYTES },
{ L"LONG VARBINARY", DBTYPE_BYTES },{ L"LONGVARBINARY", DBTYPE_BYTES },
{ L"BINARY", DBTYPE_BYTES }, { L"BIT", DBTYPE_BYTES },
{ L"BIT VARYING", DBTYPE_BYTES },
{ L"DBTYPE_DBDATE", DBTYPE_DBDATE },{ L"DATE", DBTYPE_DBDATE },
{ L"DBTYPE_DBTIME", DBTYPE_DBTIME },{ L"TIME", DBTYPE_DBTIME },
{ L"DBTYPE_DBTIMESTAMP", DBTYPE_DBTIMESTAMP },
{ L"TIMESTAMP", DBTYPE_DBTIMESTAMP },
{ L"DATETIME", DBTYPE_DBTIMESTAMP },
};
if(pwszName==NULL) return DBTYPE_WSTR;
for(int i=1;i<sizeof(types)/sizeof(*types);i++)
{
if(_wcsicmp(pwszName, types[i].pwszName)==0)
return types[i].wType;
}
return DBTYPE_STR;
}
static HRESULT CompareSTR(DBCOMPAREOP CompareOp, const char *szRowValue, const char *szFindValue)
{
DBCOMPAREOP LocalOp = CompareOp & ~DBCOMPAREOPS_CASESENSITIVE & ~DBCOMPAREOPS_CASEINSENSITIVE;
switch(LocalOp)
{
case DBCOMPAREOPS_LT:
case DBCOMPAREOPS_LE:
case DBCOMPAREOPS_EQ:
case DBCOMPAREOPS_GE:
case DBCOMPAREOPS_GT:
case DBCOMPAREOPS_NE:
{
// 디폴트는 case sensitive
int res;
if(CompareOp & DBCOMPAREOPS_CASEINSENSITIVE)
res = _stricmp(szRowValue, szFindValue);
else
res = strcmp(szRowValue, szFindValue);
if( ( LocalOp==DBCOMPAREOPS_LT && res< 0 ) ||
( LocalOp==DBCOMPAREOPS_LE && res<=0 ) ||
( LocalOp==DBCOMPAREOPS_EQ && res==0 ) ||
( LocalOp==DBCOMPAREOPS_GE && res>=0 ) ||
( LocalOp==DBCOMPAREOPS_GT && res> 0 ) ||
( LocalOp==DBCOMPAREOPS_NE && res!=0 ) )
return S_OK;
return S_FALSE;
}
case DBCOMPAREOPS_BEGINSWITH:
{
int res;
size_t len = strlen(szFindValue);
if(CompareOp & DBCOMPAREOPS_CASEINSENSITIVE)
res = _strnicmp(szRowValue, szFindValue, len);
else
res = strncmp(szRowValue, szFindValue, len);
return res==0 ? S_OK : S_FALSE;
}
case DBCOMPAREOPS_NOTBEGINSWITH:
{
int res;
size_t len = strlen(szFindValue);
if(CompareOp & DBCOMPAREOPS_CASEINSENSITIVE)
res = _strnicmp(szRowValue, szFindValue, len);
else
res = strncmp(szRowValue, szFindValue, len);
return res!=0 ? S_OK : S_FALSE;
}
// TODO: case insensitive
case DBCOMPAREOPS_CONTAINS:
{
const char *res;
if(CompareOp & DBCOMPAREOPS_CASEINSENSITIVE)
{
CStringA row(szRowValue), find(szFindValue);
row.MakeUpper(); find.MakeUpper();
res = strstr(row, find);
}
else
res = strstr(szRowValue, szFindValue);
return res!=0 ? S_OK : S_FALSE;
}
case DBCOMPAREOPS_NOTCONTAINS:
{
const char *res;
if(CompareOp & DBCOMPAREOPS_CASEINSENSITIVE)
{
CStringA row(szRowValue), find(szFindValue);
row.MakeUpper(); find.MakeUpper();
res = strstr(row, find);
}
else
res = strstr(szRowValue, szFindValue);
return res==0 ? S_OK : S_FALSE;
}
}
return DB_E_BADCOMPAREOP;
}
static HRESULT CompareI4(DBCOMPAREOP CompareOp, const char *szRowValue, const char *szFindValue)
{
if( CompareOp!=DBCOMPAREOPS_LT && CompareOp!=DBCOMPAREOPS_LE &&
CompareOp!=DBCOMPAREOPS_EQ && CompareOp!=DBCOMPAREOPS_NE &&
CompareOp!=DBCOMPAREOPS_GE && CompareOp!=DBCOMPAREOPS_GT )
return DB_E_BADCOMPAREOP;
int nRowValue = atoi(szRowValue);
int nFindValue = atoi(szFindValue);
if( ( CompareOp==DBCOMPAREOPS_LT && nRowValue< nFindValue ) ||
( CompareOp==DBCOMPAREOPS_LE && nRowValue<=nFindValue ) ||
( CompareOp==DBCOMPAREOPS_EQ && nRowValue==nFindValue ) ||
( CompareOp==DBCOMPAREOPS_GE && nRowValue>=nFindValue ) ||
( CompareOp==DBCOMPAREOPS_GT && nRowValue> nFindValue ) ||
( CompareOp==DBCOMPAREOPS_NE && nRowValue!=nFindValue ) )
return S_OK;
return S_FALSE;
}
static HRESULT CompareI2(DBCOMPAREOP CompareOp, const char *szRowValue, const char *szFindValue)
{
if( CompareOp!=DBCOMPAREOPS_LT && CompareOp!=DBCOMPAREOPS_LE &&
CompareOp!=DBCOMPAREOPS_EQ && CompareOp!=DBCOMPAREOPS_NE &&
CompareOp!=DBCOMPAREOPS_GE && CompareOp!=DBCOMPAREOPS_GT )
return DB_E_BADCOMPAREOP;
short nRowValue = (short)atoi(szRowValue);
short nFindValue = (short)atoi(szFindValue);
if( ( CompareOp==DBCOMPAREOPS_LT && nRowValue< nFindValue ) ||
( CompareOp==DBCOMPAREOPS_LE && nRowValue<=nFindValue ) ||
( CompareOp==DBCOMPAREOPS_EQ && nRowValue==nFindValue ) ||
( CompareOp==DBCOMPAREOPS_GE && nRowValue>=nFindValue ) ||
( CompareOp==DBCOMPAREOPS_GT && nRowValue> nFindValue ) ||
( CompareOp==DBCOMPAREOPS_NE && nRowValue!=nFindValue ) )
return S_OK;
return S_FALSE;
}
static HRESULT CompareR4(DBCOMPAREOP CompareOp, const char *szRowValue, const char *szFindValue)
{
if( CompareOp!=DBCOMPAREOPS_LT && CompareOp!=DBCOMPAREOPS_LE &&
CompareOp!=DBCOMPAREOPS_EQ && CompareOp!=DBCOMPAREOPS_NE &&
CompareOp!=DBCOMPAREOPS_GE && CompareOp!=DBCOMPAREOPS_GT )
return DB_E_BADCOMPAREOP;
float fRowValue = (float)atof(szRowValue);
float fFindValue = (float)atof(szFindValue);
if( ( CompareOp==DBCOMPAREOPS_LT && fRowValue< fFindValue ) ||
( CompareOp==DBCOMPAREOPS_LE && fRowValue<=fFindValue ) ||
( CompareOp==DBCOMPAREOPS_EQ && fRowValue==fFindValue ) ||
( CompareOp==DBCOMPAREOPS_GE && fRowValue>=fFindValue ) ||
( CompareOp==DBCOMPAREOPS_GT && fRowValue> fFindValue ) ||
( CompareOp==DBCOMPAREOPS_NE && fRowValue!=fFindValue ) )
return S_OK;
return S_FALSE;
}
static HRESULT CompareR8(DBCOMPAREOP CompareOp, const char *szRowValue, const char *szFindValue)
{
if( CompareOp!=DBCOMPAREOPS_LT && CompareOp!=DBCOMPAREOPS_LE &&
CompareOp!=DBCOMPAREOPS_EQ && CompareOp!=DBCOMPAREOPS_NE &&
CompareOp!=DBCOMPAREOPS_GE && CompareOp!=DBCOMPAREOPS_GT )
return DB_E_BADCOMPAREOP;
double dRowValue = atof(szRowValue);
double dFindValue = atof(szFindValue);
if( ( CompareOp==DBCOMPAREOPS_LT && dRowValue< dFindValue ) ||
( CompareOp==DBCOMPAREOPS_LE && dRowValue<=dFindValue ) ||
( CompareOp==DBCOMPAREOPS_EQ && dRowValue==dFindValue ) ||
( CompareOp==DBCOMPAREOPS_GE && dRowValue>=dFindValue ) ||
( CompareOp==DBCOMPAREOPS_GT && dRowValue> dFindValue ) ||
( CompareOp==DBCOMPAREOPS_NE && dRowValue!=dFindValue ) )
return S_OK;
return S_FALSE;
}
HRESULT Compare(DBCOMPAREOP CompareOp, DBTYPE wType, const char *szRowValue, const char *szFindValue)
{
switch(wType)
{
case DBTYPE_STR:
case DBTYPE_WSTR:
return CompareSTR(CompareOp, szRowValue, szFindValue);
break;
case DBTYPE_I4:
return CompareI4(CompareOp, szRowValue, szFindValue);
case DBTYPE_I2:
return CompareI2(CompareOp, szRowValue, szFindValue);
case DBTYPE_R4:
return CompareR4(CompareOp, szRowValue, szFindValue);
case DBTYPE_R8:
return CompareR8(CompareOp, szRowValue, szFindValue);
default:
return DB_E_BADCOMPAREOP;
break;
}
}
long GetFindCompareOps(DBTYPE wType)
{
switch(wType)
{
case DBTYPE_STR:
case DBTYPE_WSTR:
return DBPROPVAL_CO_EQUALITY | DBPROPVAL_CO_STRING | DBPROPVAL_CO_CONTAINS
| DBPROPVAL_CO_BEGINSWITH | DBPROPVAL_CO_CASEINSENSITIVE;
case DBTYPE_I4: