public void PreprocessStmt(Ast.SqlStmt input)
{
foreach (var macro in _macros)
{
while (macro.Apply(input))
{
}
}
}
private void ExecuteSqlStmt(Ast.SqlStmt stmt, ScriptEnv env)
{
foreach (var beforeStmt in stmt.RunBefore)
{
ExecuteStmt(beforeStmt, env);
}
try {
var dt = _notebook.Query(stmt.Sql, env.Vars, env.OnRow);
if (dt.Columns.Any())
{
env.Output.DataTables.Add(dt);
}
else
{
dt.Dispose();
}
} finally {
foreach (var afterStmt in stmt.RunAfter)
{
ExecuteStmt(afterStmt, env);
}
}
}
