public void TestInsert_SelectAsSource()
{
Table table = new Table("Table");
SelectBuilder select = new SelectBuilder();
InsertBuilder builder = new InsertBuilder(table, select);
builder.AddColumn(builder.Table.Column("Column"));
select.AddProjection(new NumericLiteral(1));
Formatter formatter = new Formatter();
string commandText = formatter.GetCommandText(builder, new CommandOptions() { AliasColumnSourcesUsingAs = true });
string expected = "INSERT INTO Table (Column) (SELECT 1)";
Assert.AreEqual(expected, commandText, "The wrong SQL was generated.");
}
private void buildColumnsList(MatchResult result, InsertBuilder builder)
{
MatchResult multiple = result.Matches[SqlGrammar.ColumnList.Multiple.Name];
if (multiple.IsMatch)
{
MatchResult first = multiple.Matches[SqlGrammar.ColumnList.Multiple.First];
Column column = buildColumn(first);
builder.AddColumn(column);
MatchResult remaining = multiple.Matches[SqlGrammar.ColumnList.Multiple.Remaining];
buildColumnsList(remaining, builder);
return;
}
MatchResult single = result.Matches[SqlGrammar.ColumnList.Single];
if (single.IsMatch)
{
Column column = buildColumn(single);
builder.AddColumn(column);
return;
}
throw new InvalidOperationException();
}
public void TestInsert_MultipleColumns()
{
Table table = new Table("Table");
ValueList values = new ValueList();
InsertBuilder builder = new InsertBuilder(table, values);
builder.AddColumn(builder.Table.Column("Column1"));
builder.AddColumn(builder.Table.Column("Column2"));
values.AddValue(new NumericLiteral(1));
values.AddValue(new NullLiteral());
Formatter formatter = new Formatter();
string commandText = formatter.GetCommandText(builder, new CommandOptions() { AliasColumnSourcesUsingAs = true });
string expected = "INSERT INTO Table (Column1, Column2) VALUES(1, NULL)";
Assert.AreEqual(expected, commandText, "The wrong SQL was generated.");
}
