Interface ReadSessionOrBuilder (2.45.0)

Version 2.45.0

• 3.10.2 (latest)
• 3.9.3
• 3.8.0
• 3.6.1
• 3.5.2
• 3.4.0
• 3.3.1
• 3.2.0
• 3.1.0
• 3.0.1
• 2.47.0
• 2.45.0
• 2.44.1
• 2.43.0

public interface ReadSessionOrBuilder extends MessageOrBuilder

Implements

MessageOrBuilder

Methods

getArrowSchema()

public abstract ArrowSchema getArrowSchema()

Output only. Arrow schema.

.google.cloud.bigquery.storage.v1.ArrowSchema arrow_schema = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];

Returns
Type	Description
ArrowSchema	The arrowSchema.

getArrowSchemaOrBuilder()

public abstract ArrowSchemaOrBuilder getArrowSchemaOrBuilder()

Output only. Arrow schema.

.google.cloud.bigquery.storage.v1.ArrowSchema arrow_schema = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];

Returns
Type	Description
ArrowSchemaOrBuilder

getAvroSchema()

public abstract AvroSchema getAvroSchema()

Output only. Avro schema.

.google.cloud.bigquery.storage.v1.AvroSchema avro_schema = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];

Returns
Type	Description
AvroSchema	The avroSchema.

getAvroSchemaOrBuilder()

public abstract AvroSchemaOrBuilder getAvroSchemaOrBuilder()

Output only. Avro schema.

.google.cloud.bigquery.storage.v1.AvroSchema avro_schema = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];

Returns
Type	Description
AvroSchemaOrBuilder

getDataFormat()

public abstract DataFormat getDataFormat()

Immutable. Data format of the output data. DATA_FORMAT_UNSPECIFIED not supported.

.google.cloud.bigquery.storage.v1.DataFormat data_format = 3 [(.google.api.field_behavior) = IMMUTABLE];

Returns
Type	Description
DataFormat	The dataFormat.

getDataFormatValue()

public abstract int getDataFormatValue()

Immutable. Data format of the output data. DATA_FORMAT_UNSPECIFIED not supported.

.google.cloud.bigquery.storage.v1.DataFormat data_format = 3 [(.google.api.field_behavior) = IMMUTABLE];

Returns
Type	Description
int	The enum numeric value on the wire for dataFormat.

getEstimatedRowCount()

public abstract long getEstimatedRowCount()

Output only. An estimate on the number of rows present in this session's streams. This estimate is based on metadata from the table which might be incomplete or stale.

int64 estimated_row_count = 14 [(.google.api.field_behavior) = OUTPUT_ONLY];

Returns
Type	Description
long	The estimatedRowCount.

getEstimatedTotalBytesScanned()

public abstract long getEstimatedTotalBytesScanned()

Output only. An estimate on the number of bytes this session will scan when all streams are completely consumed. This estimate is based on metadata from the table which might be incomplete or stale.

int64 estimated_total_bytes_scanned = 12 [(.google.api.field_behavior) = OUTPUT_ONLY];

Returns
Type	Description
long	The estimatedTotalBytesScanned.

getEstimatedTotalPhysicalFileSize()

public abstract long getEstimatedTotalPhysicalFileSize()

Output only. A pre-projected estimate of the total physical size of files (in bytes) that this session will scan when all streams are consumed. This estimate is independent of the selected columns and can be based on incomplete or stale metadata from the table. This field is only set for BigLake tables.

int64 estimated_total_physical_file_size = 15 [(.google.api.field_behavior) = OUTPUT_ONLY];

Returns
Type	Description
long	The estimatedTotalPhysicalFileSize.

getExpireTime()

public abstract Timestamp getExpireTime()

Output only. Time at which the session becomes invalid. After this time, subsequent requests to read this Session will return errors. The expire_time is automatically assigned and currently cannot be specified or updated.

.google.protobuf.Timestamp expire_time = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];

Returns
Type	Description
Timestamp	The expireTime.

getExpireTimeOrBuilder()

public abstract TimestampOrBuilder getExpireTimeOrBuilder()

Output only. Time at which the session becomes invalid. After this time, subsequent requests to read this Session will return errors. The expire_time is automatically assigned and currently cannot be specified or updated.

.google.protobuf.Timestamp expire_time = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];

Returns
Type	Description
TimestampOrBuilder

getName()

public abstract String getName()

Output only. Unique identifier for the session, in the form projects/{project_id}/locations/{location}/sessions/{session_id}.

string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];

Returns
Type	Description
String	The name.

getNameBytes()

public abstract ByteString getNameBytes()

Output only. Unique identifier for the session, in the form projects/{project_id}/locations/{location}/sessions/{session_id}.

string name = 1 [(.google.api.field_behavior) = OUTPUT_ONLY];

Returns
Type	Description
ByteString	The bytes for name.

getReadOptions()

public abstract ReadSession.TableReadOptions getReadOptions()

Optional. Read options for this session (e.g. column selection, filters).

.google.cloud.bigquery.storage.v1.ReadSession.TableReadOptions read_options = 8 [(.google.api.field_behavior) = OPTIONAL];

Returns
Type	Description
ReadSession.TableReadOptions	The readOptions.

getReadOptionsOrBuilder()

public abstract ReadSession.TableReadOptionsOrBuilder getReadOptionsOrBuilder()

Optional. Read options for this session (e.g. column selection, filters).

.google.cloud.bigquery.storage.v1.ReadSession.TableReadOptions read_options = 8 [(.google.api.field_behavior) = OPTIONAL];

Returns
Type	Description
ReadSession.TableReadOptionsOrBuilder

getSchemaCase()

public abstract ReadSession.SchemaCase getSchemaCase()

Returns
Type	Description
ReadSession.SchemaCase

getStreams(int index)

public abstract ReadStream getStreams(int index)

Output only. A list of streams created with the session.

At least one stream is created with the session. In the future, larger request_stream_count values may result in this list being unpopulated, in that case, the user will need to use a List method to get the streams instead, which is not yet available.

repeated .google.cloud.bigquery.storage.v1.ReadStream streams = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];

Parameter
Name	Description
index	int

Returns
Type	Description
ReadStream

getStreamsCount()

public abstract int getStreamsCount()

Output only. A list of streams created with the session.

At least one stream is created with the session. In the future, larger request_stream_count values may result in this list being unpopulated, in that case, the user will need to use a List method to get the streams instead, which is not yet available.

repeated .google.cloud.bigquery.storage.v1.ReadStream streams = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];

Returns
Type	Description
int

getStreamsList()

public abstract List<ReadStream> getStreamsList()

Output only. A list of streams created with the session.

At least one stream is created with the session. In the future, larger request_stream_count values may result in this list being unpopulated, in that case, the user will need to use a List method to get the streams instead, which is not yet available.

repeated .google.cloud.bigquery.storage.v1.ReadStream streams = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];

Returns
Type	Description
List<ReadStream>

getStreamsOrBuilder(int index)

public abstract ReadStreamOrBuilder getStreamsOrBuilder(int index)

Output only. A list of streams created with the session.

At least one stream is created with the session. In the future, larger request_stream_count values may result in this list being unpopulated, in that case, the user will need to use a List method to get the streams instead, which is not yet available.

repeated .google.cloud.bigquery.storage.v1.ReadStream streams = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];

Parameter
Name	Description
index	int

Returns
Type	Description
ReadStreamOrBuilder

getStreamsOrBuilderList()

public abstract List<? extends ReadStreamOrBuilder> getStreamsOrBuilderList()

Output only. A list of streams created with the session.

At least one stream is created with the session. In the future, larger request_stream_count values may result in this list being unpopulated, in that case, the user will need to use a List method to get the streams instead, which is not yet available.

repeated .google.cloud.bigquery.storage.v1.ReadStream streams = 10 [(.google.api.field_behavior) = OUTPUT_ONLY];

Returns
Type	Description
List<? extends com.google.cloud.bigquery.storage.v1.ReadStreamOrBuilder>

getTable()

public abstract String getTable()

Immutable. Table that this ReadSession is reading from, in the form projects/{project_id}/datasets/{dataset_id}/tables/{table_id}

string table = 6 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.resource_reference) = { ... }

Returns
Type	Description
String	The table.

getTableBytes()

public abstract ByteString getTableBytes()

Immutable. Table that this ReadSession is reading from, in the form projects/{project_id}/datasets/{dataset_id}/tables/{table_id}

string table = 6 [(.google.api.field_behavior) = IMMUTABLE, (.google.api.resource_reference) = { ... }

Returns
Type	Description
ByteString	The bytes for table.

getTableModifiers()

public abstract ReadSession.TableModifiers getTableModifiers()

Optional. Any modifiers which are applied when reading from the specified table.

.google.cloud.bigquery.storage.v1.ReadSession.TableModifiers table_modifiers = 7 [(.google.api.field_behavior) = OPTIONAL];

Returns
Type	Description
ReadSession.TableModifiers	The tableModifiers.

getTableModifiersOrBuilder()

public abstract ReadSession.TableModifiersOrBuilder getTableModifiersOrBuilder()

Optional. Any modifiers which are applied when reading from the specified table.

.google.cloud.bigquery.storage.v1.ReadSession.TableModifiers table_modifiers = 7 [(.google.api.field_behavior) = OPTIONAL];

Returns
Type	Description
ReadSession.TableModifiersOrBuilder

getTraceId()

public abstract String getTraceId()

Optional. ID set by client to annotate a session identity. This does not need to be strictly unique, but instead the same ID should be used to group logically connected sessions (e.g. All using the same ID for all sessions needed to complete a Spark SQL query is reasonable).

Maximum length is 256 bytes.

string trace_id = 13 [(.google.api.field_behavior) = OPTIONAL];

Returns
Type	Description
String	The traceId.

getTraceIdBytes()

public abstract ByteString getTraceIdBytes()

Optional. ID set by client to annotate a session identity. This does not need to be strictly unique, but instead the same ID should be used to group logically connected sessions (e.g. All using the same ID for all sessions needed to complete a Spark SQL query is reasonable).

Maximum length is 256 bytes.

string trace_id = 13 [(.google.api.field_behavior) = OPTIONAL];

Returns
Type	Description
ByteString	The bytes for traceId.

hasArrowSchema()

public abstract boolean hasArrowSchema()

Output only. Arrow schema.

.google.cloud.bigquery.storage.v1.ArrowSchema arrow_schema = 5 [(.google.api.field_behavior) = OUTPUT_ONLY];

Returns
Type	Description
boolean	Whether the arrowSchema field is set.

hasAvroSchema()

public abstract boolean hasAvroSchema()

Output only. Avro schema.

.google.cloud.bigquery.storage.v1.AvroSchema avro_schema = 4 [(.google.api.field_behavior) = OUTPUT_ONLY];

Returns
Type	Description
boolean	Whether the avroSchema field is set.

hasExpireTime()

public abstract boolean hasExpireTime()

Output only. Time at which the session becomes invalid. After this time, subsequent requests to read this Session will return errors. The expire_time is automatically assigned and currently cannot be specified or updated.

.google.protobuf.Timestamp expire_time = 2 [(.google.api.field_behavior) = OUTPUT_ONLY];

Returns
Type	Description
boolean	Whether the expireTime field is set.

hasReadOptions()

public abstract boolean hasReadOptions()

Optional. Read options for this session (e.g. column selection, filters).

.google.cloud.bigquery.storage.v1.ReadSession.TableReadOptions read_options = 8 [(.google.api.field_behavior) = OPTIONAL];

Returns
Type	Description
boolean	Whether the readOptions field is set.

hasTableModifiers()

public abstract boolean hasTableModifiers()

Optional. Any modifiers which are applied when reading from the specified table.

.google.cloud.bigquery.storage.v1.ReadSession.TableModifiers table_modifiers = 7 [(.google.api.field_behavior) = OPTIONAL];

Returns
Type	Description
boolean	Whether the tableModifiers field is set.