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225 | #include "gate/gatemain.h"
#include "gate/console.hpp"
#include "gate/applications.hpp"
#include "gate/files.hpp"
#include "gate/environments.hpp"
#include "gate/utilities.hpp"
#include "gate/data/odbc_adapter.hpp"
#include "gate/data/sqlite3_adapter.hpp"
#include "gate/data/mysql_adapter.hpp"
#include "gate/wrappers.hpp"
#include "gate/runnables.hpp"
#include <stdio.h>
#if defined(GATE_COMPILER_MSVC) && defined(GATE_LEAK_DETECTION) && defined(GATE_SYS_WIN) && !defined(GATE_SYS_WINCE) && (GATE_ARCH != GATE_ARCH_ARM32) && (GATE_ARCH != GATE_ARCH_ARM64)
# include <vld.h>
#endif
namespace gate
{
namespace apps
{
static StaticString const dbProviderOdbcName = "odbc";
static StaticString const dbProvSqlite = "sqlite";
static StaticString const dbProvMysql = "mysql";
typedef gate::data::DataConnection DataConnection;
typedef gate::data::DataStatement DataStatement;
typedef gate::data::DataReader DataReader;
class GATE_API_LOCAL SqldbApp : public App
{
private:
DataConnection createDataConnection(String const& provider, String const& dbPath, uint32_t dbflags)
{
if (provider.equalsIC(dbProviderOdbcName))
{
Result<DataConnection> result = data::OdbcDataConnection::tryCreateConnection(dbPath, dbflags);
if (result.hasError())
{
ConError << "Failed to create ODBC DB connection" << strings::NewLine;
GATEXX_RAISE_ERROR(result.error());
}
return result.value();
}
else if (provider.equalsIC(dbProvSqlite))
{
Result<DataConnection> result = data::Sqlite3DataConnection::tryCreateConnection(dbPath, dbflags);
if (result.hasError())
{
ConError << "Failed to create SQLITE3 DB connection" << strings::NewLine;
GATEXX_RAISE_ERROR(result.error());
}
return result.value();
}
else if (provider.equalsIC(dbProvMysql))
{
Result<DataConnection> result = data::MysqlDataConnection::tryCreateConnection(dbPath, dbflags);
if (result.hasError())
{
ConError << "Failed to create MYSQL DB connection" << strings::NewLine;
GATEXX_RAISE_ERROR(result.error());
}
return result.value();
}
// else:
ConError << "Invalid data provider name" << strings::NewLine;
GATEXX_RAISE_ERROR(results::InvalidArg);
return DataConnection();
}
static void executeSqlCommand(DataConnection* dataConn, String const* sqlCommand)
{
Console << "Executing statement: " << *sqlCommand << strings::NewLine;
DataStatement stmt = dataConn->createStatement(*sqlCommand);
int32_t entries = stmt.execute();
Console << "Sucessfully completed, " << entries << " entries affected" << strings::NewLine;
}
static void executeSqlQuery(DataConnection* dataConn, String const* sqlCommand, Stream* ptroutstream, bool csvFormat)
{
char const* const separatorChar = csvFormat ? ";" : "\t";
Console << "Executing query: " << *sqlCommand << strings::NewLine;
Console << "----------------" << strings::NewLine;
DataStatement stmt = dataConn->createStatement(*sqlCommand);
DataReader reader = stmt.query();
Stream& outstream = ptroutstream ? *ptroutstream : static_cast<Stream&>(Console);
bool isFirstRecord = true;
uint32_t rowCounter = 0;
while (reader.next())
{
++rowCounter;
size_t fieldsCount = reader.getFieldCount();
if (isFirstRecord)
{
isFirstRecord = false;
for (size_t ndx = 0; ndx != fieldsCount; ++ndx)
{
if (ndx > 0)
{
outstream << separatorChar;
}
outstream << reader.getFieldName(ndx);
}
outstream << strings::NewLine;
}
for (size_t ndx = 0; ndx != fieldsCount; ++ndx)
{
if (ndx > 0)
{
outstream << separatorChar;
}
Value entry = reader.getFieldValue(ndx);
String strEntry;
entry.exportAs(strEntry);
outstream << strEntry;
}
outstream << strings::NewLine;
}
Console << "----------------" << strings::NewLine;
Console << rowCounter << " rows" << strings::NewLine;
}
public:
virtual void run() override
{
static AppOptionDef help = AppOptionDef::createSwitch("help", "?", "show_help", "Shows help");
static AppOptionDef dbprov = AppOptionDef::createString("db-provider", "P", "odbc", "db_provider", "Database provider (\"odbc\" or \"sqlite\")");
static AppOptionDef dbpath = AppOptionDef::createString("db-path", "DB", "", "db_path", "Database connection path");
static AppOptionDef outfile = AppOptionDef::createString("output-file", "O", "", "Path to query result output file");
static AppOptionDef flags = AppOptionDef::createInt32("flags", "F", 0, "flags", "Provider specific config flags");<--- Shadowed declaration
static AppOptionDef csvformat = AppOptionDef::createSwitch("csv-format", "C", "csvformat", "Print query result output in CSV format");
static AppOptionDef dbquery = AppOptionDef::createSwitch("query", "Q", "query", "Execute query and print result");
static AppOptionDef dbsql = AppOptionDef::createString("", "", "", "sql", "SQL statement to execute");
static AppOptionDef* options[] =
{
&help,
&dbprov,
&dbpath,
&outfile,
&flags,
&csvformat,
&dbquery,
&dbsql
};
static size_t const optionsCount = sizeof(options) / sizeof(options[0]);
App::parseAppOptions(this->getArgs(), options, optionsCount);
if (help.getBool())
{
App::printAppOptions(options, optionsCount, Console);
return;
}
String dbprovName = dbprov.getString();
String dbconnPath = dbpath.getString();
String outFilePath = outfile.getString();
bool printCsv = csvformat.getBool();
bool runQuery = dbquery.getBool();
uint32_t dbflags = static_cast<uint32_t>(flags.getInt32());
String sqlCommand = dbsql.getString();
DataConnection dataConn = createDataConnection(dbprovName, dbconnPath, dbflags);
if (!dataConn)
{
return;
}
if (sqlCommand.empty())
{
ConError << "Missing SQL command" << strings::NewLine;
GATEXX_RAISE_ERROR(results::InvalidArg);
return;
}
Runnable task;
if (!runQuery)
{
task = RunnableBuilder::create(&SqldbApp::executeSqlCommand,
&dataConn, &sqlCommand);
}
else
{
Optional<FileStream> fs;
if (!outFilePath.empty())
{
FileStream outfile(outFilePath, File::Open_Write);
fs.create(outfile);<--- Shadow variable
}
Stream* ptrFilestream = fs.get();
task = RunnableBuilder::create(&SqldbApp::executeSqlQuery,
&dataConn, &sqlCommand, ptrFilestream, printCsv);
}
ExceptionInfo xinfo = catchException(task);
if (xinfo.failed())
{
ConError << "Failed to execute SQL task" << strings::NewLine;
xinfo.raise();
}
}
};
} // end of namespace apps
} // end of namespace gate
#include <stdio.h>
int gate_main(char const* program, char const* const* arguments, gate_size_t argcount, gate_uintptr_t apphandle)
{
gate::apps::SqldbApp app;
return gate::App::runApp(app, program, arguments, argcount, apphandle);
}
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