spyvip edited a comment on issue #6852:
URL: https://github.com/apache/shardingsphere/issues/6852#issuecomment-674338749
> @spyvip Your Logic SQL include `shadow` field, so Actual SQL has.
> I guess, Your sharding-tables has different field list.(maybe ds0 include
`shadow` field. but ds1 not).
> Check it.
right？
I try 5.0.0.rc shardingsphere-proxy，it can remove `shadow` field, but it
route wrong database when I use sharding and shadow both, config as flow
# config-my.yaml
````
dataSources:
ds_0:
url: jdbc:mysql://127.0.0.1:3306/order0?serverTimezone=UTC&useSSL=false
ds_1:
url: jdbc:mysql://127.0.0.1:3306/order1?serverTimezone=UTC&useSSL=false
shadow_ds_0:
url:
jdbc:mysql://127.0.0.1:3306/shadow_order0?serverTimezone=UTC&useSSL=false
shadow_ds_1:
url:
jdbc:mysql://127.0.0.1:3306/shadow_order1?serverTimezone=UTC&useSSL=false
rules:
- !SHARDING
defaultDatabaseStrategy:
standard:
shardingColumn: user_id
shardingAlgorithmName: database_inline
shardingAlgorithms:
database_inline:
type: INLINE
props:
algorithm.expression: ds_${user_id % 2}
- !SHADOW
column: shadow
shadowMappings:
ds_0: shadow_ds_0
ds_1: shadow_ds_1
````
# my test sql
````
String sql = "insert into t_order(user_id,order_no,order_name,remark)
values('1','123','book-master1','spy')";
jdbcTemplate.update(sql);
````
# stdout.log
````
[INFO ] 10:31:31.945 [ShardingSphere-Command-7] ShardingSphere-SQL - Logic
SQL: /* mysql-connector-java-5.1.47 ( Revision:
fe1903b1ecb4a96a917f7ed3190d80c049b1de29 ) */SELECT
@@session.auto_increment_increment AS auto_increment_increment,
@@character_set_client AS character_set_client, @@character_set_connection AS
character_set_connection, @@character_set_results AS character_set_results,
@@character_set_server AS character_set_server, @@collation_server AS
collation_server, @@collation_connection AS collation_connection,
@@init_connect AS init_connect, @@interactive_timeout AS interactive_timeout,
@@license AS license, @@lower_case_table_names AS lower_case_table_names,
@@max_allowed_packet AS max_allowed_packet, @@net_buffer_length AS
net_buffer_length, @@net_write_timeout AS net_write_timeout, @@query_cache_size
AS query_cache_size, @@query_cache_type AS query_cache_type, @@sql_mode AS
sql_mode, @@system_time_zone AS system_time_zone, @@time_zone AS time_zone,
@@transaction_i
solation AS transaction_isolation, @@wait_timeout AS wait_timeout
[INFO ] 10:31:31.945 [ShardingSphere-Command-7] ShardingSphere-SQL -
SQLStatement:
SelectStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@3984fdad,
tablesContext=TablesContext(tables=[])),
tablesContext=TablesContext(tables=[]),
projectionsContext=ProjectionsContext(startIndex=96, stopIndex=979,
distinctRow=false,
projections=[ExpressionProjection(expression=@@session.auto_increment_increment,
alias=Optional[auto_increment_increment]),
ExpressionProjection(expression=@@character_set_client,
alias=Optional[character_set_client]),
ExpressionProjection(expression=@@character_set_connection,
alias=Optional[character_set_connection]),
ExpressionProjection(expression=@@character_set_results,
alias=Optional[character_set_results]),
ExpressionProjection(expression=@@character_set_server,
alias=Optional[character_set_server]),
ExpressionProjection(expression=@@collation_server,
alias=Optional[collation_serv
er]), ExpressionProjection(expression=@@collation_connection,
alias=Optional[collation_connection]),
ExpressionProjection(expression=@@init_connect, alias=Optional[init_connect]),
ExpressionProjection(expression=@@interactive_timeout,
alias=Optional[interactive_timeout]),
ExpressionProjection(expression=@@license, alias=Optional[license]),
ExpressionProjection(expression=@@lower_case_table_names,
alias=Optional[lower_case_table_names]),
ExpressionProjection(expression=@@max_allowed_packet,
alias=Optional[max_allowed_packet]),
ExpressionProjection(expression=@@net_buffer_length,
alias=Optional[net_buffer_length]),
ExpressionProjection(expression=@@net_write_timeout,
alias=Optional[net_write_timeout]),
ExpressionProjection(expression=@@query_cache_size,
alias=Optional[query_cache_size]),
ExpressionProjection(expression=@@query_cache_type,
alias=Optional[query_cache_type]), ExpressionProjection(expression=@@sql_mode,
alias=Optional[sql_mode]), ExpressionProjection(expression=@@system_t
ime_zone, alias=Optional[system_time_zone]),
ExpressionProjection(expression=@@time_zone, alias=Optional[time_zone]),
ExpressionProjection(expression=@@transaction_isolation,
alias=Optional[transaction_isolation]),
ExpressionProjection(expression=@@wait_timeout,
alias=Optional[wait_timeout])]),
groupByContext=org.apache.shardingsphere.sql.parser.binder.segment.select.groupby.GroupByContext@54629533,
orderByContext=org.apache.shardingsphere.sql.parser.binder.segment.select.orderby.OrderByContext@540f6334,
paginationContext=org.apache.shardingsphere.sql.parser.binder.segment.select.pagination.PaginationContext@7107bcab,
containsSubquery=false)
[INFO ] 10:31:31.946 [ShardingSphere-Command-7] ShardingSphere-SQL - Actual
SQL: shadow_ds_0 ::: /* mysql-connector-java-5.1.47 ( Revision:
fe1903b1ecb4a96a917f7ed3190d80c049b1de29 ) */SELECT
@@session.auto_increment_increment AS auto_increment_increment,
@@character_set_client AS character_set_client, @@character_set_connection AS
character_set_connection, @@character_set_results AS character_set_results,
@@character_set_server AS character_set_server, @@collation_server AS
collation_server, @@collation_connection AS collation_connection,
@@init_connect AS init_connect, @@interactive_timeout AS interactive_timeout,
@@license AS license, @@lower_case_table_names AS lower_case_table_names,
@@max_allowed_packet AS max_allowed_packet, @@net_buffer_length AS
net_buffer_length, @@net_write_timeout AS net_write_timeout, @@query_cache_size
AS query_cache_size, @@query_cache_type AS query_cache_type, @@sql_mode AS
sql_mode, @@system_time_zone AS system_time_zone, @@time_zone AS time_zone
, @@transaction_isolation AS transaction_isolation, @@wait_timeout AS
wait_timeout
[INFO ] 10:31:32.081 [epollEventLoopGroup-2-1]
i.n.handler.logging.LoggingHandler - [id: 0x620413bf, L:/0.0.0.0:3307] READ:
[id: 0x7df76895, L:/10.10.10.206:3307 - R:/10.10.11.243:63545]
[INFO ] 10:31:32.081 [epollEventLoopGroup-2-1]
i.n.handler.logging.LoggingHandler - [id: 0x620413bf, L:/0.0.0.0:3307] READ
COMPLETE
[INFO ] 10:31:32.130 [ShardingSphere-Command-3] ShardingSphere-SQL - Logic
SQL: /* mysql-connector-java-5.1.47 ( Revision:
fe1903b1ecb4a96a917f7ed3190d80c049b1de29 ) */SELECT
@@session.auto_increment_increment AS auto_increment_increment,
@@character_set_client AS character_set_client, @@character_set_connection AS
character_set_connection, @@character_set_results AS character_set_results,
@@character_set_server AS character_set_server, @@collation_server AS
collation_server, @@collation_connection AS collation_connection,
@@init_connect AS init_connect, @@interactive_timeout AS interactive_timeout,
@@license AS license, @@lower_case_table_names AS lower_case_table_names,
@@max_allowed_packet AS max_allowed_packet, @@net_buffer_length AS
net_buffer_length, @@net_write_timeout AS net_write_timeout, @@query_cache_size
AS query_cache_size, @@query_cache_type AS query_cache_type, @@sql_mode AS
sql_mode, @@system_time_zone AS system_time_zone, @@time_zone AS time_zone,
@@transaction_i
solation AS transaction_isolation, @@wait_timeout AS wait_timeout
[INFO ] 10:31:32.131 [ShardingSphere-Command-3] ShardingSphere-SQL -
SQLStatement:
SelectStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@4133a1be,
tablesContext=TablesContext(tables=[])),
tablesContext=TablesContext(tables=[]),
projectionsContext=ProjectionsContext(startIndex=96, stopIndex=979,
distinctRow=false,
projections=[ExpressionProjection(expression=@@session.auto_increment_increment,
alias=Optional[auto_increment_increment]),
ExpressionProjection(expression=@@character_set_client,
alias=Optional[character_set_client]),
ExpressionProjection(expression=@@character_set_connection,
alias=Optional[character_set_connection]),
ExpressionProjection(expression=@@character_set_results,
alias=Optional[character_set_results]),
ExpressionProjection(expression=@@character_set_server,
alias=Optional[character_set_server]),
ExpressionProjection(expression=@@collation_server,
alias=Optional[collation_serv
er]), ExpressionProjection(expression=@@collation_connection,
alias=Optional[collation_connection]),
ExpressionProjection(expression=@@init_connect, alias=Optional[init_connect]),
ExpressionProjection(expression=@@interactive_timeout,
alias=Optional[interactive_timeout]),
ExpressionProjection(expression=@@license, alias=Optional[license]),
ExpressionProjection(expression=@@lower_case_table_names,
alias=Optional[lower_case_table_names]),
ExpressionProjection(expression=@@max_allowed_packet,
alias=Optional[max_allowed_packet]),
ExpressionProjection(expression=@@net_buffer_length,
alias=Optional[net_buffer_length]),
ExpressionProjection(expression=@@net_write_timeout,
alias=Optional[net_write_timeout]),
ExpressionProjection(expression=@@query_cache_size,
alias=Optional[query_cache_size]),
ExpressionProjection(expression=@@query_cache_type,
alias=Optional[query_cache_type]), ExpressionProjection(expression=@@sql_mode,
alias=Optional[sql_mode]), ExpressionProjection(expression=@@system_t
ime_zone, alias=Optional[system_time_zone]),
ExpressionProjection(expression=@@time_zone, alias=Optional[time_zone]),
ExpressionProjection(expression=@@transaction_isolation,
alias=Optional[transaction_isolation]),
ExpressionProjection(expression=@@wait_timeout,
alias=Optional[wait_timeout])]),
groupByContext=org.apache.shardingsphere.sql.parser.binder.segment.select.groupby.GroupByContext@6e49039f,
orderByContext=org.apache.shardingsphere.sql.parser.binder.segment.select.orderby.OrderByContext@4b96700c,
paginationContext=org.apache.shardingsphere.sql.parser.binder.segment.select.pagination.PaginationContext@30dc5366,
containsSubquery=false)
[INFO ] 10:31:32.132 [ShardingSphere-Command-3] ShardingSphere-SQL - Actual
SQL: shadow_ds_1 ::: /* mysql-connector-java-5.1.47 ( Revision:
fe1903b1ecb4a96a917f7ed3190d80c049b1de29 ) */SELECT
@@session.auto_increment_increment AS auto_increment_increment,
@@character_set_client AS character_set_client, @@character_set_connection AS
character_set_connection, @@character_set_results AS character_set_results,
@@character_set_server AS character_set_server, @@collation_server AS
collation_server, @@collation_connection AS collation_connection,
@@init_connect AS init_connect, @@interactive_timeout AS interactive_timeout,
@@license AS license, @@lower_case_table_names AS lower_case_table_names,
@@max_allowed_packet AS max_allowed_packet, @@net_buffer_length AS
net_buffer_length, @@net_write_timeout AS net_write_timeout, @@query_cache_size
AS query_cache_size, @@query_cache_type AS query_cache_type, @@sql_mode AS
sql_mode, @@system_time_zone AS system_time_zone, @@time_zone AS time_zone
, @@transaction_isolation AS transaction_isolation, @@wait_timeout AS
wait_timeout
[INFO ] 10:31:32.183 [ShardingSphere-Command-6] ShardingSphere-SQL - Logic
SQL: select @@session.transaction_read_only
[INFO ] 10:31:32.183 [ShardingSphere-Command-6] ShardingSphere-SQL -
SQLStatement:
SelectStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.SelectStatement@17bee019,
tablesContext=TablesContext(tables=[])),
tablesContext=TablesContext(tables=[]),
projectionsContext=ProjectionsContext(startIndex=7, stopIndex=37,
distinctRow=false,
projections=[ExpressionProjection(expression=@@session.transaction_read_only,
alias=Optional.empty)]),
groupByContext=org.apache.shardingsphere.sql.parser.binder.segment.select.groupby.GroupByContext@708105ff,
orderByContext=org.apache.shardingsphere.sql.parser.binder.segment.select.orderby.OrderByContext@7e2a5544,
paginationContext=org.apache.shardingsphere.sql.parser.binder.segment.select.pagination.PaginationContext@431418b6,
containsSubquery=false)
[INFO ] 10:31:32.183 [ShardingSphere-Command-6] ShardingSphere-SQL - Actual
SQL: shadow_ds_0 ::: select @@session.transaction_read_only
[INFO ] 10:31:32.204 [ShardingSphere-Command-7] ShardingSphere-SQL - Logic
SQL: insert into t_order(user_id,order_no,order_name,remark)
values('1','123','book-master1','spy')
[INFO ] 10:31:32.204 [ShardingSphere-Command-7] ShardingSphere-SQL -
SQLStatement:
InsertStatementContext(super=CommonSQLStatementContext(sqlStatement=org.apache.shardingsphere.sql.parser.sql.statement.dml.InsertStatement@5227408a,
tablesContext=TablesContext(tables=[SimpleTableSegment(tableName=TableNameSegment(startIndex=12,
stopIndex=18, identifier=IdentifierValue(value=t_order, quoteCharacter=NONE)),
owner=Optional.empty, alias=Optional.empty)])),
tablesContext=TablesContext(tables=[SimpleTableSegment(tableName=TableNameSegment(startIndex=12,
stopIndex=18, identifier=IdentifierValue(value=t_order, quoteCharacter=NONE)),
owner=Optional.empty, alias=Optional.empty)]), columnNames=[user_id, order_no,
order_name, remark], insertValueContexts=[InsertValueContext(parametersCount=0,
valueExpressions=[LiteralExpressionSegment(startIndex=63, stopIndex=65,
literals=1), LiteralExpressionSegment(startIndex=67, stopIndex=71,
literals=123), LiteralExpressionSegment(startIndex=73, stopIndex=
86, literals=book-master1), LiteralExpressionSegment(startIndex=88,
stopIndex=92, literals=spy)], parameters=[])], insertSelectContext=null,
onDuplicateKeyUpdateValueContext=null, generatedKeyContext=Optional.empty)
[INFO ] 10:31:32.205 [ShardingSphere-Command-7] ShardingSphere-SQL - Actual
SQL: shadow_ds_0 ::: insert into t_order(user_id,order_no,order_name,remark)
values('1', '123', 'book-master1', 'spy')
[spy@mylab logs]$
````
# problem
you see , it go to `shadow_ds_0`, but `it should go to ds_1`
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