org.apache.shardingsphere.infra.metadata.database.schema.util

类 IndexMetaDataUtil

java.lang.Object

org.apache.shardingsphere.infra.metadata.database.schema.util.IndexMetaDataUtil

public class IndexMetaDataUtil
extends Object

Index meta data utility class.

构造器概要

构造器

构造器和说明
IndexMetaDataUtil()

方法概要

限定符和类型	方法和说明
static String	getActualIndexName(String logicIndexName, String actualTableName) Get actual index name.
static String	getGeneratedLogicIndexName(Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.dml.column.ColumnSegment> columns) Get generated logic index name.
static String	getLogicIndexName(String actualIndexName, String actualTableName) Get logic index name.
static Collection<QualifiedTable>	getTableNames(ShardingSphereDatabase database, DatabaseType type, Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.ddl.index.IndexSegment> indexes) Get table names.

从类继承的方法 java.lang.Object

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

构造器详细资料

IndexMetaDataUtil

public IndexMetaDataUtil()

方法详细资料

getLogicIndexName

public static String getLogicIndexName(String actualIndexName,
                                       String actualTableName)

Get logic index name.

参数:

actualIndexName - actual index name

actualTableName - actual table name

返回:

logic index name

getActualIndexName

public static String getActualIndexName(String logicIndexName,
                                        String actualTableName)

Get actual index name.

参数:

logicIndexName - logic index name

actualTableName - actual table name

返回:

actual index name

getGeneratedLogicIndexName

public static String getGeneratedLogicIndexName(Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.dml.column.ColumnSegment> columns)

Get generated logic index name.

参数:

columns - column segments

返回:

generated logic index name

getTableNames

public static Collection<QualifiedTable> getTableNames(ShardingSphereDatabase database,
                                                       DatabaseType type,
                                                       Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.ddl.index.IndexSegment> indexes)

Get table names.

参数:

database - database

indexes - indexes

type - database type

返回:

table names