Package io.trino.plugin.iceberg

Class IcebergUtil

java.lang.Object

io.trino.plugin.iceberg.IcebergUtil

public final class IcebergUtil
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
static final String	METADATA_FILE_EXTENSION
static final String	METADATA_FOLDER_NAME

Method Summary

Modifier and Type	Method	Description
static boolean	canEnforceColumnConstraintInSpecs(TypeOperators typeOperators, org.apache.iceberg.Table table, Set<Integer> partitionSpecIds, IcebergColumnHandle columnHandle, Domain domain)
static void	commit(org.apache.iceberg.SnapshotUpdate<?> update, ConnectorSession session)
static Object	deserializePartitionValue(Type type, String valueString, String name)
static String	fileName(String path)
static String	fixBrokenMetadataLocation(String location)
static IcebergColumnHandle	getColumnHandle(org.apache.iceberg.types.Types.NestedField column, TypeManager typeManager)
static List<IcebergColumnHandle>	getColumns(org.apache.iceberg.Schema schema, TypeManager typeManager)
static IcebergFileFormat	getFileFormat(Map<String,String> storageProperties)
static IcebergFileFormat	getFileFormat(org.apache.iceberg.Table table)
static Map<String,Object>	getIcebergTableProperties(org.apache.iceberg.Table icebergTable)
static org.apache.iceberg.Table	getIcebergTableWithMetadata(TrinoCatalog catalog, IcebergTableOperationsProvider tableOperationsProvider, ConnectorSession session, SchemaTableName table, org.apache.iceberg.TableMetadata tableMetadata)
static Map<org.apache.iceberg.PartitionField,Integer>	getIdentityPartitions(org.apache.iceberg.PartitionSpec partitionSpec)
static org.apache.iceberg.io.LocationProvider	getLocationProvider(SchemaTableName schemaTableName, String tableLocation, Map<String,String> storageProperties)
static Map<Integer,Optional<String>>	getPartitionKeys(org.apache.iceberg.FileScanTask scanTask)	Returns a map from fieldId to serialized partition value containing entries for all identity partitions.
static Map<Integer,Optional<String>>	getPartitionKeys(org.apache.iceberg.StructLike partition, org.apache.iceberg.PartitionSpec spec)
static long	getSnapshotIdAsOfTime(org.apache.iceberg.Table table, long epochMillis)
static Optional<String>	getTableComment(org.apache.iceberg.Table table)
static boolean	isIcebergTable(Table table)
static org.apache.iceberg.Table	loadIcebergTable(TrinoCatalog catalog, IcebergTableOperationsProvider tableOperationsProvider, ConnectorSession session, SchemaTableName table)
static org.apache.iceberg.Transaction	newCreateTableTransaction(TrinoCatalog catalog, ConnectorTableMetadata tableMetadata, ConnectorSession session)
static OptionalInt	parseVersion(String metadataLocation)
static Map<Integer,org.apache.iceberg.types.Type.PrimitiveType>	primitiveFieldTypes(org.apache.iceberg.Schema schema)
static String	quotedTableName(SchemaTableName name)
static org.apache.iceberg.Schema	schemaFromHandles(List<IcebergColumnHandle> columns)
static org.apache.iceberg.Schema	schemaFromMetadata(List<ColumnMetadata> columns)
static void	validateTableCanBeDropped(org.apache.iceberg.Table table)

Methods inherited from class java.lang.Object

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

Field Details

METADATA_FOLDER_NAME

public static final String METADATA_FOLDER_NAME

See Also:

• Constant Field Values

METADATA_FILE_EXTENSION

public static final String METADATA_FILE_EXTENSION

See Also:

• Constant Field Values

Method Details

isIcebergTable

public static boolean isIcebergTable(Table table)

loadIcebergTable

public static org.apache.iceberg.Table loadIcebergTable(TrinoCatalog catalog,
 IcebergTableOperationsProvider tableOperationsProvider,
 ConnectorSession session,
 SchemaTableName table)

getIcebergTableWithMetadata

public static org.apache.iceberg.Table getIcebergTableWithMetadata(TrinoCatalog catalog,
 IcebergTableOperationsProvider tableOperationsProvider,
 ConnectorSession session,
 SchemaTableName table,
 org.apache.iceberg.TableMetadata tableMetadata)

getIcebergTableProperties

public static Map<String,Object> getIcebergTableProperties(org.apache.iceberg.Table icebergTable)

getColumns

public static List<IcebergColumnHandle> getColumns(org.apache.iceberg.Schema schema,
 TypeManager typeManager)

getColumnHandle

public static IcebergColumnHandle getColumnHandle(org.apache.iceberg.types.Types.NestedField column,
 TypeManager typeManager)

schemaFromHandles

public static org.apache.iceberg.Schema schemaFromHandles(List<IcebergColumnHandle> columns)

getIdentityPartitions

public static Map<org.apache.iceberg.PartitionField,Integer> getIdentityPartitions(org.apache.iceberg.PartitionSpec partitionSpec)

primitiveFieldTypes

public static Map<Integer,org.apache.iceberg.types.Type.PrimitiveType> primitiveFieldTypes(org.apache.iceberg.Schema schema)

getFileFormat

public static IcebergFileFormat getFileFormat(org.apache.iceberg.Table table)

getFileFormat

public static IcebergFileFormat getFileFormat(Map<String,String> storageProperties)

getTableComment

public static Optional<String> getTableComment(org.apache.iceberg.Table table)

quotedTableName

public static String quotedTableName(SchemaTableName name)

canEnforceColumnConstraintInSpecs

public static boolean canEnforceColumnConstraintInSpecs(TypeOperators typeOperators,
 org.apache.iceberg.Table table,
 Set<Integer> partitionSpecIds,
 IcebergColumnHandle columnHandle,
 Domain domain)

deserializePartitionValue

public static Object deserializePartitionValue(Type type,
 String valueString,
 String name)

getPartitionKeys

public static Map<Integer,Optional<String>> getPartitionKeys(org.apache.iceberg.FileScanTask scanTask)

Returns a map from fieldId to serialized partition value containing entries for all identity partitions. null partition values are represented with Optional.empty().

getPartitionKeys

public static Map<Integer,Optional<String>> getPartitionKeys(org.apache.iceberg.StructLike partition,
 org.apache.iceberg.PartitionSpec spec)

getLocationProvider

public static org.apache.iceberg.io.LocationProvider getLocationProvider(SchemaTableName schemaTableName,
 String tableLocation,
 Map<String,String> storageProperties)

schemaFromMetadata

public static org.apache.iceberg.Schema schemaFromMetadata(List<ColumnMetadata> columns)

newCreateTableTransaction

public static org.apache.iceberg.Transaction newCreateTableTransaction(TrinoCatalog catalog,
 ConnectorTableMetadata tableMetadata,
 ConnectorSession session)

getSnapshotIdAsOfTime

public static long getSnapshotIdAsOfTime(org.apache.iceberg.Table table,
 long epochMillis)

validateTableCanBeDropped

public static void validateTableCanBeDropped(org.apache.iceberg.Table table)

parseVersion

public static OptionalInt parseVersion(String metadataLocation)
                                throws TrinoException

Throws:

TrinoException

fixBrokenMetadataLocation

public static String fixBrokenMetadataLocation(String location)

fileName

public static String fileName(String path)

commit

public static void commit(org.apache.iceberg.SnapshotUpdate<?> update,
 ConnectorSession session)