Reference documentation and code samples for the Cloud Bigtable V2 Client class ReadModifyWriteRule.
Specifies an atomic read/modify/write operation on the latest value of the specified column.
Generated from protobuf message google.bigtable.v2.ReadModifyWriteRule
Namespace
Google \ Cloud \ Bigtable \ V2Methods
__construct
Constructor.
Parameters | |
---|---|
Name | Description |
data |
array
Optional. Data for populating the Message object. |
↳ family_name |
string
The name of the family to which the read/modify/write should be applied. Must match |
↳ column_qualifier |
string
The qualifier of the column to which the read/modify/write should be applied. Can be any byte string, including the empty string. |
↳ append_value |
string
Rule specifying that |
↳ increment_amount |
int|string
Rule specifying that |
getFamilyName
The name of the family to which the read/modify/write should be applied.
Must match [-_.a-zA-Z0-9]+
Returns | |
---|---|
Type | Description |
string |
setFamilyName
The name of the family to which the read/modify/write should be applied.
Must match [-_.a-zA-Z0-9]+
Parameter | |
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Name | Description |
var |
string
|
Returns | |
---|---|
Type | Description |
$this |
getColumnQualifier
The qualifier of the column to which the read/modify/write should be applied.
Can be any byte string, including the empty string.
Returns | |
---|---|
Type | Description |
string |
setColumnQualifier
The qualifier of the column to which the read/modify/write should be applied.
Can be any byte string, including the empty string.
Parameter | |
---|---|
Name | Description |
var |
string
|
Returns | |
---|---|
Type | Description |
$this |
getAppendValue
Rule specifying that append_value
be appended to the existing value.
If the targeted cell is unset, it will be treated as containing the empty string.
Returns | |
---|---|
Type | Description |
string |
hasAppendValue
setAppendValue
Rule specifying that append_value
be appended to the existing value.
If the targeted cell is unset, it will be treated as containing the empty string.
Parameter | |
---|---|
Name | Description |
var |
string
|
Returns | |
---|---|
Type | Description |
$this |
getIncrementAmount
Rule specifying that increment_amount
be added to the existing value.
If the targeted cell is unset, it will be treated as containing a zero. Otherwise, the targeted cell must contain an 8-byte value (interpreted as a 64-bit big-endian signed integer), or the entire request will fail.
Returns | |
---|---|
Type | Description |
int|string |
hasIncrementAmount
setIncrementAmount
Rule specifying that increment_amount
be added to the existing value.
If the targeted cell is unset, it will be treated as containing a zero. Otherwise, the targeted cell must contain an 8-byte value (interpreted as a 64-bit big-endian signed integer), or the entire request will fail.
Parameter | |
---|---|
Name | Description |
var |
int|string
|
Returns | |
---|---|
Type | Description |
$this |
getRule
Returns | |
---|---|
Type | Description |
string |