org.apache.paimon.table.system

Class AllTableOptionsTable

java.lang.Object

org.apache.paimon.table.system.AllTableOptionsTable

All Implemented Interfaces:

Serializable, InnerTable, ReadonlyTable, Table

public class AllTableOptionsTable
extends Object
implements ReadonlyTable

This is a system table to display all the database-table properties.

  For example:
     If we select * from sys.all_table_options, we will get
     databasename       tablename       key      value
         default           test0         a         b
         my_db             test1         c         d
          ...               ...         ...       ...
     We can write sql to fetch the information we need.
 

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static String	ALL_TABLE_OPTIONS

Constructor Summary

Constructors

Constructor and Description
AllTableOptionsTable(FileIO fileIO, Map<String,Map<String,Path>> allTablePaths)

Method Summary

Modifier and Type	Method and Description
Table	copy(Map<String,String> dynamicOptions) Copy this table with adding dynamic options.
String	name() A name to identify this table.
InnerTableRead	newRead()
InnerTableScan	newScan()
protected static Map<String,Map<String,Map<String,String>>>	options(FileIO fileIO, Map<String,Map<String,Path>> allTablePaths)
List<String>	primaryKeys() Primary keys of this table.
RowType	rowType() Returns the row type of this table.
protected static Iterator<InternalRow>	toRow(Map<String,Map<String,Map<String,String>>> option)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.paimon.table.ReadonlyTable

comment, createBranch, createBranch, createTag, createTag, createTag, createTag, deleteBranch, deleteTag, fastForward, indexManifestFileReader, latestSnapshotId, manifestFileReader, manifestListReader, newBatchWriteBuilder, newCommit, newExpireChangelog, newExpireSnapshots, newStreamScan, newStreamWriteBuilder, newWrite, newWriteSelector, options, partitionKeys, rollbackTo, rollbackTo, snapshot, statistics

Methods inherited from interface org.apache.paimon.table.InnerTable

newReadBuilder

Methods inherited from interface org.apache.paimon.table.Table

deleteBranches, deleteTags, fullName

Field Detail

ALL_TABLE_OPTIONS

public static final String ALL_TABLE_OPTIONS

See Also:

Constant Field Values

Constructor Detail

AllTableOptionsTable

public AllTableOptionsTable(FileIO fileIO,
                            Map<String,Map<String,Path>> allTablePaths)

Method Detail

name

public String name()

Description copied from interface: Table

A name to identify this table.

Specified by:

name in interface Table

rowType

public RowType rowType()

Description copied from interface: Table

Returns the row type of this table.

Specified by:

rowType in interface Table

primaryKeys

public List<String> primaryKeys()

Description copied from interface: Table

Primary keys of this table.

Specified by:

primaryKeys in interface Table

newScan

public InnerTableScan newScan()

Specified by:

newScan in interface InnerTable

newRead

public InnerTableRead newRead()

Specified by:

newRead in interface InnerTable

copy

public Table copy(Map<String,String> dynamicOptions)

Description copied from interface: Table

Copy this table with adding dynamic options.

Specified by:

copy in interface Table

toRow

protected static Iterator<InternalRow> toRow(Map<String,Map<String,Map<String,String>>> option)

options

protected static Map<String,Map<String,Map<String,String>>> options(FileIO fileIO,
                                                                    Map<String,Map<String,Path>> allTablePaths)