public void FromVariableTest()
{
string variable = "@@error";
ISqlObject obj = SqlObject.FromVariable(variable);
Assert.AreEqual <string>(variable, obj.Fullname);
Assert.AreEqual <string>(variable, obj.SqlString);
}
public void SqlStringTest_Expression()
{
ISqlObject source = new SqlServerSource("Table");
ISqlExpression expression = new SqlFunction("MAX").AddArgument(new SqlServerField(source, "ID", null));
ISqlObject field = SqlObject.FromVariable("ROWNUM");
ISqlGroupClause target = new SqlGroupClause().AddExpressions(expression, field);
Assert.AreEqual <string>(string.Format("{0} {1}, {2}", target.Keyword, expression.SqlString, field.Fullname), target.SqlString);
}
public void SqlStringTest_More()
{
ISqlObject source = new SqlServerSource("Table");
ISqlObject field0 = new SqlServerField(source, "Field0", null);
ISqlObject field1 = SqlObject.FromVariable("ROWNUM");
ISqlGroupClause target = new SqlGroupClause().AddExpressions(field0, field1);
Assert.AreEqual <string>(string.Format("{0} {1}, {2}", target.Keyword, field0.Fullname, field1.Fullname), target.SqlString);
}
public void SqlStringTest_More()
{
ISqlObject source = new SqlServerSource("Table");
ISqlObject field0 = new SqlServerField(source, "AddTime", null);
ISqlObject field1 = SqlObject.FromVariable("ROWNUM");
ISqlOrderClause target = new SqlOrderClause().AddExpression(field0, SqlOrder.Desc).AddExpression(field1, SqlOrder.Asc);
Assert.AreEqual <string>(string.Format("{0} ({1}) DESC, ({2}) ASC", target.Keyword, field0.Fullname, field1.Fullname), target.SqlString);
}
public void CountTest()
{
ISqlObject source = new OracleSource("Table");
ISqlObject field = new OracleField(source, "ID");
OracleSelectStatement target = new OracleSelectStatement();
target.SelectClause.AddExpressions(field);
target.FromClause.Source = source;
target.WhereClause.Condition = field.GreaterThan(new SqlStringExpression("13"));
target.OrderClause.AddExpression(field, SqlOrder.Desc);
string sqlString = target.SqlString;
target.Count = 13;
ISqlObject rowNumber = SqlObject.FromVariable("ROWNUM");
Assert.AreEqual <string>(string.Format("SELECT * FROM ({1}) {0} WHERE {2} ORDER BY {3} ASC", new OracleSource(OracleSelectStatement.MIDDLE_RESULT_NAME), sqlString, rowNumber.GreaterEqual(new SqlStringExpression(target.Count.ToString())), rowNumber.Fullname),
target.SqlString);
}