public final class PhysicalSchemaMetaData extends Object
| 构造器和说明 |
|---|
PhysicalSchemaMetaData() |
PhysicalSchemaMetaData(Map<String,PhysicalTableMetaData> tables) |
| 限定符和类型 | 方法和说明 |
|---|---|
boolean |
containsColumn(String tableName,
String columnName)
Judge whether contains column name.
|
boolean |
containsTable(String tableName)
Judge contains table from table meta data or not.
|
PhysicalTableMetaData |
get(String tableName)
Get table meta data via table name.
|
List<String> |
getAllColumnNames(String tableName)
Get all column names via table.
|
Collection<String> |
getAllTableNames()
Get all table names.
|
void |
merge(PhysicalSchemaMetaData schemaMetaData)
Merge schema meta data.
|
void |
put(String tableName,
PhysicalTableMetaData tableMetaData)
Add table meta data.
|
void |
remove(String tableName)
Remove table meta data.
|
public PhysicalSchemaMetaData()
public PhysicalSchemaMetaData(Map<String,PhysicalTableMetaData> tables)
public Collection<String> getAllTableNames()
public PhysicalTableMetaData get(String tableName)
tableName - tableName table namepublic void merge(PhysicalSchemaMetaData schemaMetaData)
schemaMetaData - schema meta datapublic void put(String tableName, PhysicalTableMetaData tableMetaData)
tableName - table nametableMetaData - table meta datapublic void remove(String tableName)
tableName - table namepublic boolean containsTable(String tableName)
tableName - table namepublic boolean containsColumn(String tableName, String columnName)
tableName - table namecolumnName - column nameCopyright © 2020 The Apache Software Foundation. All rights reserved.