public JsonObject ToJson()
{
var json = new JsonObject {
{ "TableName", TableName },
{ "Key", Key.ToJson() }
};
var updateExpression = new UpdateExpression(Changes, ExpressionAttributeNames, ExpressionAttributeValues);
if (ConditionExpression != null)
{
json.Add("ConditionExpression", ConditionExpression);
}
if (ExpressionAttributeNames != null && ExpressionAttributeNames.Keys.Count > 0)
{
json.Add("ExpressionAttributeNames", ExpressionAttributeNames);
}
if (ExpressionAttributeValues.Count > 0)
{
json.Add("ExpressionAttributeValues", ExpressionAttributeValues.ToJson());
}
json.Add("UpdateExpression", updateExpression.ToString());
if (ReturnValues != null)
{
json.Add("ReturnValues", ReturnValues.ToString() !);
}
return(json);
}
public JsonObject ToJson()
{
var json = new JsonObject {
{ "TableName", TableName },
{ "Item", Item.ToJson() }
};
if (ConditionExpression != null)
{
json.Add("ConditionExpression", ConditionExpression);
}
if (ExpressionAttributeNames != null && ExpressionAttributeNames.Keys.Count > 0)
{
json.Add("ExpressionAttributeNames", ExpressionAttributeNames);
}
if (ExpressionAttributeValues != null && ExpressionAttributeValues.Count > 0)
{
json.Add("ExpressionAttributeValues", ExpressionAttributeValues.ToJson());
}
if (ReturnValues != ReturnValues.NONE)
{
json.Add("ReturnValues", ReturnValues.Canonicalize());
}
return(json);
}
private void SetDuplicateCheckExpression(PutItemRequest request, Dictionary <string, AttributeValue> item)
{
ExpressionAttributeNames.Clear();
ExpressionAttributeValues.Clear();
AttributeGenerator.ResetIndex();
var hashKeyAttrValue = item.FirstOrDefault(x => x.Key == _hashKeyName).Value;
if (hashKeyAttrValue == null)
{
throw new InvalidOperationException($"Item does not contains Hash key: {_hashKeyName}");
}
var sb = new StringBuilder();
var hashKeyName = GetAttributeName(_hashKeyName);
var hashKeyValue = GetAttributeValue(hashKeyAttrValue);
sb.Append($"{hashKeyName} <> {hashKeyValue}");
if (!string.IsNullOrEmpty(_sortKeyName))
{
var sortKeyAttrValue = item.FirstOrDefault(x => x.Key == _sortKeyName).Value;
var sortKeyName = GetAttributeName(_sortKeyName);
var sortKeyValue = GetAttributeValue(sortKeyAttrValue);
sb.Append($" AND {sortKeyName} <> {sortKeyValue}");
}
request.ExpressionAttributeNames = ExpressionAttributeNames;
request.ExpressionAttributeValues = ExpressionAttributeValues;
request.ConditionExpression = sb.ToString();
}
public JsonObject ToJson()
{
var json = new JsonObject {
{ "TableName", TableName }
};
if (Limit != 0)
{
json.Add("Limit", Limit);
}
if (Select != SelectEnum.Unknown)
{
json.Add("Select", Select.ToString());
}
if (Segment != null)
{
json.Add("Segment", Segment.Value);
}
if (TotalSegments != null)
{
json.Add("TotalSegments", TotalSegments.Value);
}
if (ExclusiveStartKey != null)
{
json.Add("ExclusiveStartKey", ExclusiveStartKey.ToJson());
}
if (ExpressionAttributeNames != null)
{
json.Add("ExpressionAttributeNames", ExpressionAttributeNames);
}
if (ExpressionAttributeValues != null)
{
json.Add("ExpressionAttributeValues", ExpressionAttributeValues.ToJson());
}
if (FilterExpression != null)
{
json.Add("FilterExpression", FilterExpression);
}
if (ProjectionExpression != null)
{
json.Add("ProjectionExpression", ProjectionExpression);
}
return(json);
}
protected override ScanRequest GetRequest()
{
var request = new ScanRequest()
{
TableName = TableName,
ExpressionAttributeNames = ExpressionAttributeNames.ToDictionary(kv => kv.Key, kv => kv.Value),
ExpressionAttributeValues = ExpressionAttributeValues.ToDictionary(kv => kv.Key, kv => kv.Value),
FilterExpression = string.IsNullOrWhiteSpace(FilterExpression) ? null : FilterExpression.Trim(),
ExclusiveStartKey = ExclusiveStartKey,
};
if (!string.IsNullOrEmpty(IndexName))
{
request.IndexName = IndexName;
}
return(request);
}
protected override QueryRequest GetRequest()
{
var request = new QueryRequest
{
TableName = TableName,
ExpressionAttributeNames = ExpressionAttributeNames.ToDictionary(kv => kv.Key, kv => kv.Value),
ExpressionAttributeValues = ExpressionAttributeValues.ToDictionary(kv => kv.Key, kv => kv.Value),
ScanIndexForward = !QueryInfo.OrderDescend,
FilterExpression = string.IsNullOrWhiteSpace(FilterExpression) ? null : FilterExpression.Trim(),
KeyConditionExpression = HashKey + (SortKey != null ? " AND " + SortKey : string.Empty),
ExclusiveStartKey = ExclusiveStartKey,
};
if (!string.IsNullOrEmpty(IndexName))
{
request.IndexName = IndexName;
}
return(request);
}
public JsonObject ToJson()
{
var json = new JsonObject {
{ "TableName", TableName }
};
if (KeyConditionExpression != null)
{
json.Add("KeyConditionExpression", KeyConditionExpression);
}
if (ExpressionAttributeNames != null && ExpressionAttributeNames.Keys.Count > 0)
{
json.Add("ExpressionAttributeNames", ExpressionAttributeNames);
}
if (ExpressionAttributeValues != null && ExpressionAttributeValues.Count > 0)
{
json.Add("ExpressionAttributeValues", ExpressionAttributeValues.ToJson());
}
if (FilterExpression != null)
{
json.Add("FilterExpression", FilterExpression);
}
if (Select != SelectEnum.Unknown)
{
json.Add("Select", Select.ToString());
}
if (ProjectionExpression != null)
{
json.Add("ProjectionExpression", ProjectionExpression);
}
if (Limit != 0)
{
json.Add("Limit", Limit);
}
if (IndexName != null)
{
json.Add("IndexName", IndexName);
}
if (ConsistentRead)
{
json.Add("ConsistentRead", ConsistentRead);
}
if (ExclusiveStartKey != null)
{
json.Add("ExclusiveStartKey", ExclusiveStartKey.ToJson());
}
if (!ScanIndexForward)
{
json.Add("ScanIndexForward", ScanIndexForward); // Default = true
}
if (ReturnConsumedCapacity)
{
json.Add("ReturnConsumedCapacity", "TOTAL");
}
return(json);
}
