private void PopulateFromStagingTable(Entity et, ResourceNameCache cache, DataStoreConfiguration c)
{
var idFldName = c.Consolidation.Get(et).None
? EntityUtils.GetFederatedFieldName(EntityUtils.GetIdFldName(et))
: ConsolidationTypeUtils.GetConsolidatedFieldName(EntityUtils.GetIdFldName(et));
var tableName = DatabaseUtils.GetQualifiedTableName(
PublicStagingSchema.StagingSchemaName, EntityUtils.ToCtTableName(et));
PopulateFromTable(et, cache, tableName, idFldName, true);
}
private void PopulateFromPublicTable(Entity et, ResourceNameCache cache)
{
var idFldName = EntityUtils.GetIdFldName(et);
var stagingTableName = EntityUtils.ToCtTableName(et);
var mapping = _mappings.FirstOrDefault(
x => x.PublicStagingTable.Name.Equals(stagingTableName, StringComparison.OrdinalIgnoreCase));
if (mapping == null)
{
throw new ApplicationException($"Could not map staging table ({stagingTableName}) to public table");
}
var tableName = DatabaseUtils.GetQualifiedTableName(mapping.PublicTable.SchemaName, mapping.PublicTable.Name);
PopulateFromTable(et, cache, tableName, idFldName, false);
}
private ResourceNameCache GetCache(Entity et, DataStoreConfiguration c)
{
_caches.TryGetValue(et, out var cache);
if (cache == null)
{
lock (_locker)
{
_caches.TryGetValue(et, out cache);
if (cache == null)
{
cache = new ResourceNameCache();
_caches.Add(et, cache);
Populate(et, cache, c);
}
}
}
return(cache);
}
private void PopulateFromTable(
Entity et, ResourceNameCache cache, string qualifiedTableName, string idFldName, bool checkHistoryCols)
{
var hasUniqueNameCol = EntityUtils.HasUniqueNameColumn(et);
var s = new SqlBuilder();
s.Append(hasUniqueNameCol ? "select name, unique_name" : "select name");
s.AppendFormat(", {0}", idFldName);
s.AppendFormat("from {0}", qualifiedTableName);
if (checkHistoryCols)
{
s.AppendFormat(
"where {0} in ('{1}', '{2}')",
HistorySchema.HistoryStatusColumnName,
HistorySchema.HistoryStatusInsert,
HistorySchema.HistoryStatusUpdate);
}
DatabaseUtils.EnumerateResults(_connectionString, s.ToString(), _timeoutSecs, r =>
{
var id = (long)DatabaseUtils.SafeRead(r, idFldName, 0L);
if (id > 0)
{
var name = (string)DatabaseUtils.SafeRead(r, "name", null);
string uname = null;
if (hasUniqueNameCol)
{
uname = (string)DatabaseUtils.SafeRead(r, "unique_name", null);
}
cache.Add(id, name, uname);
}
});
}
private void Populate(Entity et, ResourceNameCache cache, DataStoreConfiguration c)
{
PopulateFromPublicTable(et, cache);
PopulateFromStagingTable(et, cache, c);
}
