public string GetRangeKeyByIndex(string indexName)
{
string rangeKeyPropertyName = null;
// test LSI first
List <string> rangeProperties;
if (IndexNameToLSIRangePropertiesMapping.TryGetValue(indexName, out rangeProperties) &&
rangeProperties != null &&
rangeProperties.Count == 1)
{
rangeKeyPropertyName = rangeProperties[0];
}
GSIConfig gsiConfig = GetGSIConfig(indexName);
if (gsiConfig != null)
{
rangeKeyPropertyName = gsiConfig.RangeKeyPropertyName;
}
if (string.IsNullOrEmpty(rangeKeyPropertyName))
{
throw new InvalidOperationException("Unable to determine range key from index name");
}
return(rangeKeyPropertyName);
}
public string GetCorrectHashKeyProperty(DynamoDBFlatConfig currentConfig, string hashKeyProperty)
{
if (currentConfig.IsIndexOperation)
{
string indexName = currentConfig.IndexName;
GSIConfig gsiConfig = this.GetGSIConfig(indexName);
// Use GSI hash key if GSI is found AND GSI hash-key is set
if (gsiConfig != null && !string.IsNullOrEmpty(gsiConfig.HashKeyPropertyName))
{
hashKeyProperty = gsiConfig.HashKeyPropertyName;
}
}
return(hashKeyProperty);
}
private static void AddGSIConfigs(ItemStorageConfig config, string[] gsiIndexNames, string propertyName, bool isHashKey)
{
foreach (var index in gsiIndexNames)
{
GSIConfig gsiConfig = config.GetGSIConfig(index);
if (gsiConfig == null)
{
gsiConfig = new GSIConfig(index);
config.IndexNameToGSIMapping[index] = gsiConfig;
}
if (isHashKey)
{
gsiConfig.HashKeyPropertyName = propertyName;
}
else
{
gsiConfig.RangeKeyPropertyName = propertyName;
}
}
}
private void AddGSIConfigs(List <string> gsiIndexNames, string propertyName, bool isHashKey)
{
foreach (var index in gsiIndexNames)
{
GSIConfig gsiConfig = this.GetGSIConfig(index);
if (gsiConfig == null)
{
gsiConfig = new GSIConfig(index);
this.IndexNameToGSIMapping[index] = gsiConfig;
}
if (isHashKey)
{
gsiConfig.HashKeyPropertyName = propertyName;
}
else
{
gsiConfig.RangeKeyPropertyName = propertyName;
}
}
}