# -*- coding: utf8 -*-

from example_config import *

from tablestore import *

from tablestore.metadata import *

import time

table_name = 'python_sdk_5'

def create_table(client):

schema_of_primary_key = [('gid', 'INTEGER'), ('uid', 'STRING')]

table_meta = TableMeta(table_name, schema_of_primary_key)

table_option = TableOptions()

reserved_throughput = ReservedThroughput(CapacityUnit(0, 0))

client.create_table(table_meta, table_option, reserved_throughput)

print('Table has been created.')

def delete_table(client):

client.delete_table(table_name)

print('Table \'%s\' has been deleted.' % table_name)

def put_row(client):

primary_key = [('gid', 1), ('uid', "101")]

attribute_columns = [('name', 'John'), ('mobile', 15100000000), ('address', 'China'), ('age', 20)]

row = Row(primary_key, attribute_columns)

condition = Condition(

RowExistenceExpectation.EXPECT_NOT_EXIST) # Expect not exist: put it into table only when this row is not exist.

consumed, return_row = client.put_row(table_name, row)

print('Write succeed, consume %s write cu.' % consumed.write)

def delete_row(client):

primary_key = [('gid', 1), ('uid', '101')]

condition = Condition(RowExistenceExpectation.IGNORE, SingleColumnCondition("age", 25, ComparatorType.LESS_THAN))

consumed, return_row = client.delete_row(table_name, primary_key, condition)

print('Delete succeed, consume %s write cu.' % consumed.write)

def get_row(client):

primary_key = [('gid', 1), ('uid', "101")]

columns_to_get = ['name', 'address',

'age'] # given a list of columns to get, or empty list if you want to get entire row.

consumed, return_row, next_token = client.get_row(table_name, primary_key, columns_to_get, None, 1)

print('Read succeed, consume %s read cu.' % consumed.read)

if return_row is not None:

print('Value of attribute: %s' % return_row.attribute_columns)

if __name__ == '__main__':

client = OTSClient(OTS_ENDPOINT, OTS_ACCESS_KEY_ID, OTS_ACCESS_KEY_SECRET, OTS_INSTANCE, region=OTS_REGION)

try:

delete_table(client)

except:

pass

create_table(client)

time.sleep(3) # wait for table ready

put_row(client)

print('#### row before delete ####')

get_row(client)

delete_row(client)

print('#### row after delete ####')

get_row(client)

delete_table(client)