Class: Google::Bigtable::V2::ReadModifyWriteRule

Inherits:
Object
  • Object
show all
Defined in:
lib/google/cloud/bigtable/v2/doc/google/bigtable/v2/data.rb

Overview

Specifies an atomic read/modify/write operation on the latest value of the specified column.

Instance Attribute Summary collapse

Instance Attribute Details

#append_value ⇒ String

Returns 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:

  • (String) —

    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.



489
 
# File 'lib/google/cloud/bigtable/v2/doc/google/bigtable/v2/data.rb', line 489

class ReadModifyWriteRule; end

#column_qualifier ⇒ String

Returns The qualifier of the column to which the read/modify/write should be applied. Can be any byte string, including the empty string.

Returns:

  • (String) —

    The qualifier of the column to which the read/modify/write should be applied. Can be any byte string, including the empty string.



489
 
# File 'lib/google/cloud/bigtable/v2/doc/google/bigtable/v2/data.rb', line 489

class ReadModifyWriteRule; end

#family_name ⇒ String

Returns The name of the family to which the read/modify/write should be applied. Must match +[-_.a-zA-Z0-9]++

Returns:

  • (String) —

    The name of the family to which the read/modify/write should be applied. Must match +[-_.a-zA-Z0-9]++



489
 
# File 'lib/google/cloud/bigtable/v2/doc/google/bigtable/v2/data.rb', line 489

class ReadModifyWriteRule; end

#increment_amount ⇒ Integer

Returns 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:

  • (Integer) —

    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.



489
 
# File 'lib/google/cloud/bigtable/v2/doc/google/bigtable/v2/data.rb', line 489

class ReadModifyWriteRule; end