public SetVariableStatement(SqlPlaceholder <T> variable, Expression <Func <SelectorContext <T>, T> > valueExpr)
{
Variable = variable;
ValueExpression = valueExpr;
ValueFunction = valueExpr.Compile();
}
public abstract void WritePlaceholder(SqlPlaceholder placeholder, StringBuilder writer);
public abstract void WriteSetSqlVariable(SqlPlaceholder variable, SqlExpression expr, StringBuilder writer);
public void SetSqlVariable <T>(SqlPlaceholder <T> placeholder, Expression <Func <SelectorContext <T>, T> > node)
{
Queries.Add(new SetVariableStatement <T>(placeholder, node));
}