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#include "dbandroidconnection.h"
#include "sqlqueryandroid.h"
#include "sqlresultrowandroid.h"
#include "parser/lexer.h"
#include "db/sqlerrorcodes.h"
#include "common/utils_sql.h"
#include "log.h"
#include "dbandroidinstance.h"
#include <QDebug>
SqlQueryAndroid::SqlQueryAndroid(DbAndroidInstance* db, DbAndroidConnection* connection, const QString& query) :
db(db), connection(connection), queryString(query)
{
tokenizedQuery = Lexer::tokenize(query, Dialect::Sqlite3);
}
SqlQueryAndroid::~SqlQueryAndroid()
{
}
QString SqlQueryAndroid::getErrorText()
{
return errorText;
}
int SqlQueryAndroid::getErrorCode()
{
return errorCode;
}
QStringList SqlQueryAndroid::getColumnNames()
{
return resultColumns;
}
int SqlQueryAndroid::columnCount()
{
return resultColumns.size();
}
void SqlQueryAndroid::rewind()
{
currentRow = -1;
}
SqlResultsRowPtr SqlQueryAndroid::nextInternal()
{
if (resultDataList.size() == 0)
return SqlResultsRowPtr();
currentRow++;
SqlResultRowAndroid* resultRow = new SqlResultRowAndroid(resultDataMap[currentRow], resultDataList[currentRow]);
return SqlResultsRowPtr(resultRow);
}
bool SqlQueryAndroid::hasNextInternal()
{
return (currentRow + 1 < resultDataList.size());
}
bool SqlQueryAndroid::execInternal(const QList<QVariant>& args)
{
resetResponse();
logSql(db, queryString, args, flags);
int argIdx = 0;
QString query;
for (const TokenPtr& token : tokenizedQuery)
{
if (token->type != Token::BIND_PARAM)
{
query += token->value;
continue;
}
query += convertArg(args[argIdx++]);
}
return executeAndHandleResponse(query);
}
bool SqlQueryAndroid::execInternal(const QHash<QString, QVariant>& args)
{
resetResponse();
logSql(db, queryString, args, flags);
QString argName;
QString query;
for (const TokenPtr& token : tokenizedQuery)
{
if (token->type != Token::BIND_PARAM)
{
query += token->value;
continue;
}
argName = token->value;
if (!args.contains(argName))
{
errorCode = SqlErrorCode::OTHER_EXECUTION_ERROR;
errorText = QObject::tr("Cannot bind argument '%1' of the query, because it's value is missing.").arg(argName);
return false;
}
query += convertArg(args[argName]);
}
return executeAndHandleResponse(query);
}
QString SqlQueryAndroid::convertArg(const QVariant& value)
{
if (value.isNull() || !value.isValid())
return "NULL";
switch (value.type())
{
case QVariant::Int:
case QVariant::UInt:
case QVariant::LongLong:
case QVariant::ULongLong:
case QVariant::Double:
return value.toString();
case QVariant::String:
return "'" + value.toString().replace("'", "''") + "'";
case QVariant::ByteArray:
return "x'" + value.toByteArray().toHex() + "'";
default:
break;
}
qCritical() << "Unhandled argument type in SqlQueryAndroid::convertArg():" << value.type();
return "";
}
bool SqlQueryAndroid::executeAndHandleResponse(const QString& query)
{
DbAndroidConnection::ExecutionResult results = connection->executeQuery(query);
if (results.wasError)
{
errorCode = (results.errorCode != 0) ? results.errorCode : SqlErrorCode::OTHER_EXECUTION_ERROR;
errorText = results.errorMsg;
return false;
}
resultColumns = results.resultColumns;
resultDataMap = results.resultDataMap;
resultDataList = results.resultDataList;
return true;
}
void SqlQueryAndroid::resetResponse()
{
resultColumns.clear();
resultDataMap.clear();
resultDataList.clear();
currentRow = -1;
errorCode = 0;
errorText = QString();
}
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