#include "compiledsql.h"

#include <boost/algorithm/string/predicate.hpp>

CompiledSQL::CompiledSQL(SQLite::Database& db):
 m_stmt{},
 m_db{db},
 m_isSelect{}
{
}

void CompiledSQL::init(const std::string& stmt)
{
 if (m_stmt) {
  m_stmt->reset();
 } else {
  if (
#if __cplusplus >= 202002
      stmt.starts_with("SELECT ")
#else
      boost::algorithm::starts_with(stmt, "SELECT ")
#endif
      ) {
   m_isSelect = true;
  } else {
   m_isSelect = false;
  }
  m_stmt = std::make_shared<SQLite::Statement>(m_db, stmt);
 }
}

bool CompiledSQL::execute()
{
 if (m_isSelect) {
  return m_stmt->executeStep();
 } else {
  return m_stmt->exec();
 }
}