本文整理汇总了C#中Row.CreateKey方法的典型用法代码示例。如果您正苦于以下问题：C# Row.CreateKey方法的具体用法？C# Row.CreateKey怎么用？C# Row.CreateKey使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Row的用法示例。
在下文中一共展示了Row.CreateKey方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Can_generate_ObjectArrayKeys_without_specifying_column_names
public void Can_generate_ObjectArrayKeys_without_specifying_column_names()
{
Row row = new Row();
row["a"] = 1;
Assert.DoesNotThrow(() => row.CreateKey());
}示例2: Can_generate_ObjectArrayKeys_without_specifying_column_names
public void Can_generate_ObjectArrayKeys_without_specifying_column_names()
{
Row row = new Row();
row["a"] = 1;
Exception ex = Record.Exception(() => row.CreateKey());
Assert.Null(ex);
}示例3: Accumulate
protected override void Accumulate(Row row, Row aggregate) {
//init
if (!aggregate.ContainsKey(_firstKey)) {
foreach (var alias in _keysToGroupBy) {
aggregate[alias] = row[alias];
}
foreach (var field in _fieldsToAccumulate) {
if (_needZero.ContainsKey(field.Aggregate)) {
aggregate[field.Alias] = 0;
} else {
if (field.Aggregate.Equals("minlength")) {
aggregate[field.Alias] = row[field.Alias].ToString().Length;
} else {
aggregate[field.Alias] = row[field.Alias];
}
}
}
}
//accumulate
foreach (var field in _fieldsToAccumulate) {
int len;
switch (field.Aggregate) {
case "count":
if (field.Distinct) {
var key = row.CreateKey(_keysToGroupBy);
var value = row[field.Name];
if (!_distinct[field.Alias].ContainsKey(key)) {
_distinct[field.Alias].Add(key, new Dictionary<object, byte>());
}
if (!_distinct[field.Alias][key].ContainsKey(value)) {
_distinct[field.Alias][key].Add(value, 0);
aggregate[field.Alias] = (int)aggregate[field.Alias] + 1;
}
break;
}
aggregate[field.Alias] = (int)aggregate[field.Alias] + 1;
break;
case "sum":
aggregate[field.Alias] = (dynamic)aggregate[field.Alias] + (dynamic)row[field.Alias];
break;
case "max":
switch (field.SimpleType) {
case "byte[]":
aggregate[field.Alias] = Max((byte[])aggregate[field.Alias], (byte[])row[field.Alias]);
break;
default:
var comparable = aggregate[field.Alias] as IComparable;
if (comparable != null) {
if (comparable.CompareTo(row[field.Alias]) < 0) {
aggregate[field.Alias] = row[field.Alias];
}
}
break;
}
break;
case "min":
switch (field.SimpleType) {
case "byte[]":
aggregate[field.Alias] = Min((byte[])aggregate[field.Alias], (byte[])row[field.Alias]);
break;
default:
var comparable = aggregate[field.Alias] as IComparable;
if (comparable != null) {
if (comparable.CompareTo(row[field.Alias]) > 0) {
aggregate[field.Alias] = row[field.Alias];
}
}
break;
}
break;
case "maxlength":
len = row[field.Alias].ToString().Length;
if (len > (dynamic)aggregate[field.Alias]) {
aggregate[field.Alias] = len;
}
break;
case "minlength":
len = row[field.Alias].ToString().Length;
if (len < (dynamic)aggregate[field.Alias]) {
aggregate[field.Alias] = len;
}
break;
case "first":
if (aggregate[field.Alias] == null) {
aggregate[field.Alias] = row[field.Alias];
}
break;
case "last":
aggregate[field.Alias] = row[field.Alias];
break;
case "join":
Keep(field.Alias, row);
break;
//.........这里部分代码省略.........
示例4: FinishAggregation
protected override void FinishAggregation(Row aggregate) {
//final accumulate
var group = aggregate.CreateKey(_keysToGroupBy);
foreach (var field in _fieldsToAccumulate) {
switch (field.Aggregate) {
case "join":
aggregate[field.Alias] = string.Join(field.Delimiter, field.Distinct ? _lists[field.Alias][@group].Distinct() : _lists[field.Alias][@group]);
break;
case "concat":
aggregate[field.Alias] = string.Concat(field.Distinct ? _lists[field.Alias][@group].Distinct() : _lists[field.Alias][@group]);
break;
case "array":
aggregate[field.Alias] = (field.Distinct ? _lists[field.Alias][@group].Distinct() : _lists[field.Alias][@group]).ToArray();
break;
}
}
}示例5: Keep
private void Keep(string alias, Row row) {
var key = row.CreateKey(_keysToGroupBy);
if (_lists[alias].ContainsKey(key)) {
_lists[alias][key].Add(row[alias]);
} else {
_lists[alias][key] = new List<object> { row[alias] };
}
}