// >=
public override DbExpression Visit(DbGreaterThanOrEqualExpression exp)
{
exp.Left.Accept(this);
this._sqlBuilder.Append(" >= ");
exp.Right.Accept(this);
return(exp);
}
// >=
public override DbExpression Visit(DbGreaterThanOrEqualExpression exp)
{
return(this.ConvertDbBooleanExpression(exp));
}
public void Process(DbMethodCallExpression exp, SqlGenerator generator)
{
DbExpression left = exp.Arguments[0];
DbExpression right = exp.Arguments[2];
CompareType compareType = (CompareType)exp.Arguments[1].Evaluate();
DbExpression newExp = null;
switch (compareType)
{
case CompareType.eq:
{
MethodInfo method_Sql_Equals = PublicConstants.MethodInfo_Sql_Equals.MakeGenericMethod(left.Type);
/* Sql.Equals(left, right) */
DbMethodCallExpression left_equals_right = DbExpression.MethodCall(null, method_Sql_Equals, new List <DbExpression>(2)
{
left, right
});
newExp = left_equals_right;
}
break;
case CompareType.neq:
{
MethodInfo method_Sql_NotEquals = PublicConstants.MethodInfo_Sql_NotEquals.MakeGenericMethod(left.Type);
/* Sql.NotEquals(left, right) */
DbMethodCallExpression left_not_equals_right = DbExpression.MethodCall(null, method_Sql_NotEquals, new List <DbExpression>(2)
{
left, right
});
newExp = left_not_equals_right;
}
break;
case CompareType.gt:
{
newExp = new DbGreaterThanExpression(left, right);
}
break;
case CompareType.gte:
{
newExp = new DbGreaterThanOrEqualExpression(left, right);
}
break;
case CompareType.lt:
{
newExp = new DbLessThanExpression(left, right);
}
break;
case CompareType.lte:
{
newExp = new DbLessThanOrEqualExpression(left, right);
}
break;
default:
throw new NotSupportedException("CompareType: " + compareType.ToString());
}
newExp.Accept(generator);
}
// >= public abstract T Visit(DbGreaterThanOrEqualExpression exp);
