#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

######################################################################################################
# 
# Here you can configure the rules for the proxy.
# This example is configuration of sharding rule.
# 
######################################################################################################

databaseName: sharding_db

dataSources:
  ds_0:
    url: jdbc:postgresql://shardingsphere-example-postgres:5432/demo_ds_0?useUnicode=true&characterEncoding=utf-8&allowEncodingChanges=true
    username: postgres
    password: postgres
    connectionTimeoutMilliseconds: 30000
    idleTimeoutMilliseconds: 60000
    maxLifetimeMilliseconds: 1800000
    maxPoolSize: 50
  ds_1:
    url: jdbc:postgresql://shardingsphere-example-postgres:5432/demo_ds_1?useUnicode=true&characterEncoding=utf-8&allowEncodingChanges=true
    username: postgres
    password: postgres
    connectionTimeoutMilliseconds: 30000
    idleTimeoutMilliseconds: 60000
    maxLifetimeMilliseconds: 1800000
    maxPoolSize: 50

rules:
- !SHARDING
  tables:
    t_order:
      actualDataNodes: ds_${0..1}.t_order_${0..1}
      tableStrategy:
        standard:
          shardingColumn: order_id
          shardingAlgorithmName: t-order-inline
      keyGenerateStrategy:
        column: order_id
        keyGeneratorName: snowflake
    t_order_item:
      actualDataNodes: ds_${0..1}.t_order_item_${0..1}
      tableStrategy:
        standard:
          shardingColumn: order_id
          shardingAlgorithmName: t-order-item-inline
      keyGenerateStrategy:
        column: order_id
        keyGeneratorName: snowflake

  bindingTables:
    - t_order,t_order_item

  defaultDatabaseStrategy:
    standard:
      shardingColumn: user_id
      shardingAlgorithmName: database-inline

  defaultTableStrategy:
    none:
  
  shardingAlgorithms:
    database-inline:
      type: INLINE
      props:
        algorithm-expression: ds_${user_id % 2}
    t-order-inline:
      type: INLINE
      props:
        algorithm-expression: t_order_${order_id % 2}
    t-order-item-inline:
      type: INLINE
      props:
        algorithm-expression: t_order_item_${order_id % 2}

  keyGenerators:
    snowflake:
      type: SNOWFLAKE