delete
Contents
Definition
Deletes a cell value at the specified table/row/column and optionally timestamp coordinates.
Usage
delete '[<namespace_name>:]<table_name>',
'<row_key>',
'<column_family:column_qualifier>'[,
<cell_timestamp>][,
{VISIBILITY => '<visibility_expression>'}]| Parameter | Description |
|---|---|
namespace_name |
A namespace name |
table_name |
A table name |
row_key |
A row key |
column_family |
A column family name |
column_qualifier |
A column qualifier |
cell_timestamp |
A cell timestamp |
visibility_expression |
A logical expression that refers to existing visibility labels. Can use the following logical operators: |
Examples
Deleting a value at the specified table/row/column coordinates that has no previous versions
hbase(main):002:0> scan 't4' ROW COLUMN+CELL r1 column=cf1:c1, timestamp=1637324524743, value=value1 r1 column=cf1:c2, timestamp=2222221111111, value=value2 r1 column=cf1:c3, timestamp=1637326735791, value=value3_new r1 column=cf1:c4, timestamp=1637324859512, value=value4 r1 column=cf1:c5, timestamp=1637329193429, value=7738718b 1 row(s) Took 0.3796 seconds hbase(main):003:0> delete 't4', 'r1', 'cf1:c1' Took 0.0750 seconds hbase(main):004:0> scan 't4' ROW COLUMN+CELL r1 column=cf1:c2, timestamp=2222221111111, value=value2 r1 column=cf1:c3, timestamp=1637326735791, value=value3_new r1 column=cf1:c4, timestamp=1637324859512, value=value4 r1 column=cf1:c5, timestamp=1637329193429, value=7738718b 1 row(s) Took 0.0086 seconds
Deleting a value at the specified table/row/column coordinates that has previous versions
hbase(main):009:0> delete 't4', 'r1', 'cf1:c5' Took 0.0181 seconds hbase(main):010:0> scan 't4' ROW COLUMN+CELL r1 column=cf1:c2, timestamp=2222221111111, value=value2 r1 column=cf1:c3, timestamp=1637326735791, value=value3_new r1 column=cf1:c4, timestamp=1637324859512, value=value4 r1 column=cf1:c5, timestamp=1637329190124, value=7738718a 1 row(s) Took 0.0074 seconds
Deleting the specified value version
hbase(main):011:0> scan 't4', {VERSIONS => 5}
ROW COLUMN+CELL
r1 column=cf1:c2, timestamp=2222221111111, value=value2
r1 column=cf1:c3, timestamp=1637326735791, value=value3_new
r1 column=cf1:c4, timestamp=1637324859512, value=value4
r1 column=cf1:c5, timestamp=1637329190124, value=7738718a
r1 column=cf1:c5, timestamp=1637329187604, value=7738718W
r1 column=cf1:c5, timestamp=1637328326920, value=7738718M
1 row(s)
Took 0.0091 seconds
hbase(main):012:0> delete 't4', 'r1', 'cf1:c5', 1637329187604
Took 0.0047 seconds
hbase(main):013:0> scan 't4', {VERSIONS => 5}
ROW COLUMN+CELL
r1 column=cf1:c2, timestamp=2222221111111, value=value2
r1 column=cf1:c3, timestamp=1637326735791, value=value3_new
r1 column=cf1:c4, timestamp=1637324859512, value=value4
r1 column=cf1:c5, timestamp=1637329190124, value=7738718a
r1 column=cf1:c5, timestamp=1637328326920, value=7738718M
1 row(s)
Took 0.0078 seconds