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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
#include "apache/das/rdb/ResultSet.h"
namespace apache {
namespace das {
namespace rdb {
ResultSet::ResultSet(StatementPtr aStmt) {
stmt = aStmt;
metaData = new ResultSetMetaData(*this);
}
ResultSet::~ResultSet(void) {
ResultSetObject::free();
delete metaData;
}
const ResultSetMetaData& ResultSet::getResultSetMetaData(void) const {
return *metaData;
}
StatementPtr ResultSet::getStatement(void) const {
return stmt;
}
SQLINTEGER ResultSet::getSQLInteger(unsigned int columnIndex) const {
SQLINTEGER sqlPtr = 0;
SQLSMALLINT length = 0;
SQLINTEGER aux = 0;
if (metaData->getSQLType(columnIndex) == SQL_INTEGER) {
SQLRETURN result = SQLGetData(stmt->getODBCStatement(), columnIndex + 1, SQL_C_LONG, &sqlPtr, 0, &aux);
SQLINTEGER error;
if ((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO)){
SQLCHAR sqlStat;
SQLCHAR * message = new SQLCHAR[100];
SQLSMALLINT messageLength;
SQLGetDiagRec(SQL_HANDLE_DBC, stmt->getConnection().getODBCConnection(),1,
&sqlStat, &error,message,100,&messageLength);
string error("Error to establish the connection.\nSQLSTATE: ");
error += reinterpret_cast<char*>(&sqlStat);
throw SQLException(result, error);
}
if ((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO))
throw SQLException(result, "Error on getting database data!");
} else {
throw DASInvalidSQLTypeException("Column sql type on index " + columnIndex + (std::string) " is not integer!");
}
return sqlPtr;
}
SQLINTEGER ResultSet::getSQLInteger(std::string tableName, std::string columnName) const {
return getSQLInteger(metaData->getColumnIndex(tableName, columnName));
}
SQLSMALLINT ResultSet::getSQLSmallInt(unsigned int columnIndex) const {
SQLSMALLINT sqlPtr = 0;
SQLSMALLINT length = 0;
SQLINTEGER aux = 0;
if (metaData->getSQLType(columnIndex) == SQL_SMALLINT) {
SQLRETURN result = SQLGetData(stmt->getODBCStatement(), columnIndex + 1, SQL_C_SHORT, &sqlPtr, 0, &aux);
if ((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO))
throw SQLException(result, "Error on getting database data!");
} else {
throw DASInvalidSQLTypeException("Column sql type on index " + columnIndex + (std::string) " is not integer!");
}
return sqlPtr;
}
SQLSMALLINT ResultSet::getSQLSmallInt(std::string tableName, std::string columnName) const {
return getSQLSmallInt(metaData->getColumnIndex(tableName, columnName));
}
SQLWCHAR ResultSet::getSQLWChar(unsigned int columnIndex) const {
SQLWCHAR strAux = 0;
if (metaData->getSQLType(columnIndex) == SQL_WCHAR) {
SQLINTEGER length = 0;
SQLRETURN result = SQLGetData(stmt->getODBCStatement(), columnIndex + 1, SQL_C_WCHAR, &strAux, 2, &length);
if ((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO))
throw SQLException(result, "Error on getting database data!");
} else {
throw DASInvalidSQLTypeException("Column sql type on index " + columnIndex + (std::string) " is not char!");
}
return strAux;
}
SQLWCHAR ResultSet::getSQLWChar(std::string tableName, std::string columnName) const {
return getSQLWChar(metaData->getColumnIndex(tableName, columnName));
}
SQLCHAR ResultSet::getSQLChar(unsigned int columnIndex) const {
SQLCHAR strAux = 0;
if (metaData->getSQLType(columnIndex) == SQL_CHAR) {
SQLINTEGER length = 0;
SQLRETURN result = SQLGetData(stmt->getODBCStatement(), columnIndex + 1, SQL_C_CHAR, &strAux, 2, &length);
if ((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO))
throw SQLException(result, "Error on getting database data!");
} else {
throw DASInvalidSQLTypeException("Column sql type on index " + columnIndex + (std::string) " is not char!");
}
return strAux;
}
SQLCHAR ResultSet::getSQLChar(std::string tableName, std::string columnName) const {
return getSQLChar(metaData->getColumnIndex(tableName, columnName));
}
SQLREAL ResultSet::getSQLReal(unsigned int columnIndex) const {
SQLREAL ret = 0;
if (metaData->getSQLType(columnIndex) == SQL_REAL) {
SQLREAL real = 0;
SQLINTEGER length = 0;
SQLRETURN result = SQLGetData(stmt->getODBCStatement(), columnIndex + 1, SQL_C_FLOAT, &real, 1, &length);
if ((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO))
throw SQLException(result, "Error on getting database data!");
ret = (SQLREAL) real;
} else {
throw DASInvalidSQLTypeException("Column sql type on index " + columnIndex + (std::string) " is not real!");
}
return ret;
}
SQLREAL ResultSet::getSQLReal(std::string tableName, std::string columnName) const {
return getSQLReal(metaData->getColumnIndex(tableName, columnName));
}
SQLFLOAT ResultSet::getSQLFloat(unsigned int columnIndex) const {
SQLFLOAT ret = 0;
if (metaData->getSQLType(columnIndex) == SQL_FLOAT) {
SQLDOUBLE data = 0;
SQLINTEGER length = 0;
SQLRETURN result = SQLGetData(stmt->getODBCStatement(), columnIndex + 1, SQL_C_DOUBLE, &data, 1, &length);
if ((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO))
throw SQLException(result, "error on getting database data!");
ret = (SQLFLOAT) data;
} else {
throw DASInvalidSQLTypeException("Column sql type on index " + columnIndex + (std::string) " is not float!");
}
return ret;
}
SQLFLOAT ResultSet::getSQLFloat(std::string tableName, std::string columnName) const {
return getSQLFloat(metaData->getColumnIndex(tableName, columnName));
}
SQLDOUBLE ResultSet::getSQLDouble(unsigned int columnIndex) const {
double ret = 0;
if (metaData->getSQLType(columnIndex) == SQL_DOUBLE) {
SQLDOUBLE data = 0;
SQLINTEGER length = 0;
SQLRETURN result = SQLGetData(stmt->getODBCStatement(), columnIndex + 1, SQL_C_DOUBLE, &data, 1, &length);
if ((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO))
throw SQLException(result, "error on getting database data!");
ret = (SQLDOUBLE) data;
} else {
throw DASInvalidSQLTypeException("Column sql type on index " + columnIndex + (std::string) " is not double!");
}
return ret;
}
SQLDOUBLE ResultSet::getSQLDouble(std::string tableName, std::string columnName) const {
return getSQLDouble(metaData->getColumnIndex(tableName, columnName));
}
std::string ResultSet::getSQLDecimal(unsigned int columnIndex) const {
if (metaData->getSQLType(columnIndex) == SQL_DECIMAL) {
return getSQLString(columnIndex);
} else {
throw DASInvalidSQLTypeException("Column sql type on index " + columnIndex + (std::string) " is not decimal!");
}
}
std::string ResultSet::getSQLDecimal(std::string tableName, std::string columnName) const {
return getSQLDecimal(metaData->getColumnIndex(tableName, columnName));
}
bool ResultSet::isNull(unsigned int columnIndex) const {
SQLINTEGER sqlPtr = 0;
SQLSMALLINT length = 0;
SQLINTEGER aux = 0;
if (metaData->getSQLType(columnIndex) == SQL_INTEGER) {
SQLRETURN result = SQLGetData(stmt->getODBCStatement(), columnIndex + 1, SQL_C_DEFAULT, &sqlPtr, 0, &aux);
if ((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO))
throw SQLException(result, "Error on getting database data!");
} else {
throw DASInvalidSQLTypeException("Column sql type on index " + columnIndex + (std::string) " is not integer!");
}
return aux == SQL_NULL_DATA;
}
bool ResultSet::isNull(std::string tableName, std::string columnName) const {
return isNull(metaData->getColumnIndex(tableName, columnName));
}
bool ResultSet::next(void) {
return (SQL_SUCCESS == SQLFetch(stmt->getODBCStatement()));
}
unsigned int ResultSet::getRowCount(void) const {
SQLINTEGER rowCount = 0;
SQLRETURN result = SQLRowCount(stmt->getODBCStatement(), &rowCount);
if ((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO))
throw SQLException(result, "error on getting row count!");
return (unsigned int) rowCount;
}
std::string ResultSet::getSQLString(unsigned int columnIndex) const {
SQLPOINTER sqlPtr = 0;
SQLCHAR strAux[1];
SQLINTEGER length = 0;
SQLRETURN result = SQLGetData(stmt->getODBCStatement(), columnIndex + 1, SQL_C_CHAR, &strAux, 1, &length);
if ((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO))
throw SQLException(result, "error on getting database data!");
length++;
sqlPtr = new SQLCHAR[length];
SQLINTEGER aux = 0;
result = SQLGetData(stmt->getODBCStatement(), columnIndex + 1, SQL_C_CHAR, sqlPtr, length, &aux);
if ((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO))
throw SQLException(result, "error on getting database data!");
std::string ret = (char*) sqlPtr;
delete [] ((SQLCHAR*) sqlPtr);
return ret;
}
std::wstring ResultSet::getSQLWString(unsigned int columnIndex) const {
SQLPOINTER sqlPtr = 0;
SQLWCHAR strAux[1];
SQLINTEGER length = 0;
SQLRETURN result = SQLGetData(stmt->getODBCStatement(), columnIndex + 1, SQL_C_WCHAR, &strAux, 1, &length);
if ((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO))
throw SQLException(result, "error on getting database data!");
length++;
sqlPtr = new SQLWCHAR[length];
SQLINTEGER aux = 0;
result = SQLGetData(stmt->getODBCStatement(), columnIndex + 1, SQL_C_WCHAR, sqlPtr, length, &aux);
if ((result != SQL_SUCCESS) && (result != SQL_SUCCESS_WITH_INFO))
throw SQLException(result, "error on getting database data!");
std::wstring ret = (wchar_t*) sqlPtr;
delete [] ((SQLWCHAR*) sqlPtr);
return ret;
}
std::string ResultSet::getSQLVarchar(unsigned int columnIndex) const {
if (metaData->getSQLType(columnIndex) == SQL_VARCHAR) {
return getSQLString(columnIndex);
} else {
throw DASInvalidSQLTypeException("Column sql type on index " + columnIndex + (std::string) " is not varchar!");
}
}
std::string ResultSet::getSQLVarchar(std::string tableName, std::string columnName) const {
return getSQLVarchar(metaData->getColumnIndex(tableName, columnName));
}
std::wstring ResultSet::getSQLWVarchar(unsigned int columnIndex) const {
if (metaData->getSQLType(columnIndex) == SQL_WVARCHAR) {
return getSQLWString(columnIndex);
} else {
throw DASInvalidSQLTypeException("Column sql type on index " + columnIndex + (std::string) " is not varchar!");
}
}
std::wstring ResultSet::getSQLWVarchar(std::string tableName, std::string columnName) const {
return getSQLWVarchar(metaData->getColumnIndex(tableName, columnName));
}
};
};
};
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