GeminiDB HBase Compatibility List

Data

Get

Get: single-line query.

Yes

Filter: server-side filtering.

SingleColumnValueFilter and PageFilter are supported. Other filters are in OBT.

Consistency: strong data consistency.

Yes

Versions: multi-version query.

Yes

Batch: batch single-row read

No

Put

Put: single-row insertion.

Yes

Condition: condition insertion.

Yes

TTL: automatic deletion of expired data.

Yes

Batch: batch single-row write

Yes

Versions: multi-version write.

Yes

Delete

Delete: all data records deletion in a single line.

Yes

Delete: deletion of a specified column family or qualifier.

Yes

Versions: multi-version deletion.

Yes

Batch: batch single-row deletion

No

Prefix Delete: prefix deletion

No

Scan

Scan: full scan.

Yes

Scan: specified start or stop line scanning.

Yes

TimeRange: time range filtering.

Yes

Filter: server filtering

SingleColumnValueFilter and PageFilter are supported. Other filters are in OBT.

Versions: multi-version query.

Yes

Reversed: reverse query

Yes

Increment

Common increment operation.

No

Append

Common append operation.

No

Bulk Load

Batch data import from a file.

No

Metadata operations

Table

Create: common table creation operation.

Yes

SplitKey: keys specified when a table is created.

Yes

Region: automatic splitting.

Yes

Disable/Delete: table disabling or deletion.

Yes

Compress: compression algorithm (built-in data compression) specification.

No

Alter Table: column family addition.

Yes

Alter Table: column family deletion.

No

Cluster Management

You do not need to pay attention to this parameter.

Namespace

Namespace creation or deletion.

Yes

Namespace attributes cannot be specified.

No

Additional support

Coprocessor

User-defined plugins are supported.

No

Secondary Index

Customized queries for column fields are supported.

No