public void ConvertQueryToSqlServerSyntax()
{
var originSql = "select " +
"FALSE as A, " +
"True as B, " +
"Now() as N, " +
"'A' & 'B' as C, " +
"IIF(A=TRUE, X, Y), " +
"UCase(A), " +
"CDate(42523.600145219905) as E " +
"FROM PERSON";
var expected = "select " +
"0 as A, " +
"1 as B, " +
"GetDate() as N, " +
"'A' + 'B' as C, " +
"(CASE WHEN A=1 THEN X ELSE Y END), " +
"UPPER(A), " +
"CONVERT(DateTime, 42521.6001452199) as E " +
"FROM PERSON";
var expression = new SqlExpression(originSql, 10);
var generator = new SqlServerQuerySqlGenerator(new DatabaseMapper(new ConventionModelMapper()));
var sql = generator.GenerateSql(expression);
sql.Should().Be(expected);
}
public void ConvertMultipleIifsToSqlServerSyntax()
{
var originSql = "select " +
"IIF(A=TRUE, X, Y), " +
"IIF(B = 123, Q, IIF(C = 'Lorem', 'Ipsum', 'Dolor')), " +
"FROM PERSON";
var expected = "select " +
"(CASE WHEN A=1 THEN X ELSE Y END), " +
"(CASE WHEN B = 123 THEN Q ELSE (CASE WHEN C = 'Lorem' THEN 'Ipsum' ELSE 'Dolor' END) END), " +
"FROM PERSON";
var expression = new SqlExpression(originSql, 10);
var generator = new SqlServerQuerySqlGenerator(new DatabaseMapper(new ConventionModelMapper()));
var sql = generator.GenerateSql(expression);
sql.Should().Be(expected);
}