ExAliyunOts.get_row
You're seeing just the function
get_row
, go back to ExAliyunOts module for more information.
Specs
get_row(instance(), table_name(), primary_keys(), options()) :: result()
Official document in Chinese | English
Example
import MyApp.TableStore
get_row "table1",
[{"key1", "id1"}, {"key2", "id2"}],
columns_to_get: ["name", "level"],
filter: filter(("name[ignore_if_missing: true, latest_version_only: true]" == var_name and "age" > 1) or ("class" == "1"))
get_row "table2",
[{"key", "1"}],
start_column: "room",
filter: pagination(offset: 0, limit: 3)
get_row "table3",
[{"key", "1"}],
transaction_id: "transaction_id"
Options
:columns_to_get
, optional, fetch the special fields, by default it returns all fields, pass a field list to specify the expected return fields e.g.["field1", "field2"]
.:start_column
, optional, specifies the start column when using for wide-row-read, the returned result contains this:start_column
.:end_column
, optional, specifies the end column when using for wide-row-read, the returned result does not contain this:end_column
.:filter
, optional, filter the return results in the server side, please seefilter/1
for details.:max_versions
, optional, how many versions need to return in results, by default it is 1.:time_range
, optional, read data by timestamp range, support two ways to use it:time_range: {start_timestamp, end_timestamp}
, the timestamp in the range (includestart_timestamp
but excludeend_timestamp
) and then will return in the results.time_range: special_timestamp
, exactly match and then will return in the results.:time_range
and:max_versions
are mutually exclusive, by default usemax_versions: 1
andtime_range: nil
.
:transaction_id
, optional, read operation within local transaction.