com.espertech.esper.epl.lookup

Class EventTableIndexUtil

java.lang.Object

com.espertech.esper.epl.lookup.EventTableIndexUtil

public class EventTableIndexUtil
extends Object

Constructor Summary

Constructors

Constructor and Description
EventTableIndexUtil()

Method Summary

Modifier and Type	Method and Description
static IndexMultiKey	findByIndexHint(Map<IndexMultiKey,? extends EventTableIndexEntryBase> indexCandidates, List<IndexHintInstruction> instructions)
static IndexMultiKey	findExactMatchNameAndType(Set<IndexMultiKey> indexMultiKeys, boolean unique, List<IndexedPropDesc> hashProps, List<IndexedPropDesc> btreeProps, AdvancedIndexDesc advancedIndexDesc)
static Pair<IndexMultiKey,EventTableIndexEntryBase>	findIndexBestAvailable(Map<IndexMultiKey,? extends EventTableIndexEntryBase> tablesAvailable, Set<String> keyPropertyNames, Set<String> rangePropertyNames, List<IndexHintInstruction> optionalIndexHintInstructions)
static IndexMultiKey	findIndexConsiderTyping(Map<IndexMultiKey,EventTableIndexMetadataEntry> tableIndexesRefCount, List<IndexedPropDesc> hashProps, List<IndexedPropDesc> btreeProps, List<IndexHintInstruction> optionalIndexHintInstructions)
static QueryPlanIndexItem	validateCompileExplicitIndex(String indexName, boolean unique, List<CreateIndexItem> columns, EventType eventType, StatementContext statementContext)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EventTableIndexUtil

public EventTableIndexUtil()

Method Detail

validateCompileExplicitIndex

public static QueryPlanIndexItem validateCompileExplicitIndex(String indexName,
                                                              boolean unique,
                                                              List<CreateIndexItem> columns,
                                                              EventType eventType,
                                                              StatementContext statementContext)
                                                       throws ExprValidationException

Throws:

ExprValidationException

findIndexConsiderTyping

public static IndexMultiKey findIndexConsiderTyping(Map<IndexMultiKey,EventTableIndexMetadataEntry> tableIndexesRefCount,
                                                    List<IndexedPropDesc> hashProps,
                                                    List<IndexedPropDesc> btreeProps,
                                                    List<IndexHintInstruction> optionalIndexHintInstructions)

findIndexBestAvailable

public static Pair<IndexMultiKey,EventTableIndexEntryBase> findIndexBestAvailable(Map<IndexMultiKey,? extends EventTableIndexEntryBase> tablesAvailable,
                                                                                  Set<String> keyPropertyNames,
                                                                                  Set<String> rangePropertyNames,
                                                                                  List<IndexHintInstruction> optionalIndexHintInstructions)

findByIndexHint

public static IndexMultiKey findByIndexHint(Map<IndexMultiKey,? extends EventTableIndexEntryBase> indexCandidates,
                                            List<IndexHintInstruction> instructions)

findExactMatchNameAndType

public static IndexMultiKey findExactMatchNameAndType(Set<IndexMultiKey> indexMultiKeys,
                                                      boolean unique,
                                                      List<IndexedPropDesc> hashProps,
                                                      List<IndexedPropDesc> btreeProps,
                                                      AdvancedIndexDesc advancedIndexDesc)