/// <summary>
/// The AddExplicitIndexOrReuse
/// </summary>
/// <param name="unique">The <see cref="bool"/></param>
/// <param name="hashProps">The <see cref="IList{IndexedPropDesc}"/></param>
/// <param name="btreeProps">The <see cref="IList{IndexedPropDesc}"/></param>
/// <param name="advancedIndexProvisionDesc">The <see cref="EventAdvancedIndexProvisionDesc"/></param>
/// <param name="prefilledEvents">The <see cref="IEnumerable{EventBean}"/></param>
/// <param name="indexedType">The <see cref="EventType"/></param>
/// <param name="indexName">The <see cref="string"/></param>
/// <param name="agentInstanceContext">The <see cref="AgentInstanceContext"/></param>
/// <param name="optionalSerde">The <see cref="object"/></param>
/// <returns>The <see cref="Pair{IndexMultiKey, EventTableAndNamePair}"/></returns>
public Pair <IndexMultiKey, EventTableAndNamePair> AddExplicitIndexOrReuse(
bool unique,
IList <IndexedPropDesc> hashProps,
IList <IndexedPropDesc> btreeProps,
EventAdvancedIndexProvisionDesc advancedIndexProvisionDesc,
IEnumerable <EventBean> prefilledEvents,
EventType indexedType,
string indexName,
AgentInstanceContext agentInstanceContext,
object optionalSerde)
{
if (hashProps.IsEmpty() && btreeProps.IsEmpty() && advancedIndexProvisionDesc == null)
{
throw new ArgumentException("Invalid zero element list for hash and btree columns");
}
// Get an existing table, if any, matching the exact requirement
var indexPropKeyMatch = EventTableIndexUtil.FindExactMatchNameAndType(_tableIndexesRefCount.Keys, unique, hashProps, btreeProps, advancedIndexProvisionDesc == null ? null : advancedIndexProvisionDesc.IndexDesc);
if (indexPropKeyMatch != null)
{
EventTableIndexRepositoryEntry refTablePair = _tableIndexesRefCount.Get(indexPropKeyMatch);
return(new Pair <IndexMultiKey, EventTableAndNamePair>(indexPropKeyMatch, new EventTableAndNamePair(refTablePair.Table, refTablePair.OptionalIndexName)));
}
return(AddIndex(unique, hashProps, btreeProps, advancedIndexProvisionDesc, prefilledEvents, indexedType, indexName, false, agentInstanceContext, optionalSerde));
}
public static IndexMultiKey FindIndexConsiderTyping(IDictionary <IndexMultiKey, EventTableIndexMetadataEntry> tableIndexesRefCount,
IList <IndexedPropDesc> hashProps,
IList <IndexedPropDesc> btreeProps,
IList <IndexHintInstruction> optionalIndexHintInstructions)
{
if (hashProps.IsEmpty() && btreeProps.IsEmpty())
{
throw new ArgumentException("Invalid zero element list for hash and btree columns");
}
var indexCandidates = //(IDictionary<IndexMultiKey, EventTableIndexRepositoryEntry>)
EventTableIndexUtil.FindCandidates(tableIndexesRefCount, hashProps, btreeProps);
// if there are hints, follow these
if (optionalIndexHintInstructions != null)
{
var found = EventTableIndexUtil.FindByIndexHint(indexCandidates, optionalIndexHintInstructions);
if (found != null)
{
return(found);
}
}
// Get an existing table, if any, matching the exact requirement, prefer unique
var indexPropKeyMatch = EventTableIndexUtil.FindExactMatchNameAndType(tableIndexesRefCount.Keys, true, hashProps, btreeProps);
if (indexPropKeyMatch == null)
{
indexPropKeyMatch = EventTableIndexUtil.FindExactMatchNameAndType(tableIndexesRefCount.Keys, false, hashProps, btreeProps);
}
if (indexPropKeyMatch != null)
{
return(indexPropKeyMatch);
}
if (indexCandidates.IsEmpty())
{
return(null);
}
var transIndexCandidates = indexCandidates.Transform <IndexMultiKey, EventTableIndexEntryBase, IndexMultiKey, EventTableIndexMetadataEntry>(
k => k, v => v,
k => k, v => (EventTableIndexMetadataEntry)v);
return(GetBestCandidate(transIndexCandidates).First);
}
public Pair <IndexMultiKey, EventTableAndNamePair> AddExplicitIndexOrReuse(
bool unique,
IList <IndexedPropDesc> hashProps,
IList <IndexedPropDesc> btreeProps,
IEnumerable <EventBean> prefilledEvents,
EventType indexedType,
string indexName)
{
if (hashProps.IsEmpty() && btreeProps.IsEmpty())
{
throw new ArgumentException("Invalid zero element list for hash and btree columns");
}
// Get an existing table, if any, matching the exact requirement
var indexPropKeyMatch = EventTableIndexUtil.FindExactMatchNameAndType(_tableIndexesRefCount.Keys, unique, hashProps, btreeProps);
if (indexPropKeyMatch != null)
{
var refTablePair = _tableIndexesRefCount.Get(indexPropKeyMatch);
return(new Pair <IndexMultiKey, EventTableAndNamePair>(indexPropKeyMatch, new EventTableAndNamePair(refTablePair.Table, refTablePair.OptionalIndexName)));
}
return(AddIndex(unique, hashProps, btreeProps, prefilledEvents, indexedType, indexName, false));
}