[GitHub] [shardingsphere] strongduanmu opened a new pull request #12420: fix calcite class cast exception when sql contains data/time/timestamp field

[GitBox <gi...@apache.org>]

strongduanmu opened a new pull request #12420:
URL: https://github.com/apache/shardingsphere/pull/12420


   Fixes #10760.
   
   Changes proposed in this pull request:
   - fix calcite class cast exception when sql contains data/time/timestamp field
   - add integration test case
   


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[GitHub] [shardingsphere] tristaZero merged pull request #12420: fix calcite class cast exception when sql contains data/time/timestamp field

[GitBox <gi...@apache.org>]

tristaZero merged pull request #12420:
URL: https://github.com/apache/shardingsphere/pull/12420


   


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[GitHub] [shardingsphere] strongduanmu commented on pull request #12420: fix calcite class cast exception when sql contains data/time/timestamp field

[GitBox <gi...@apache.org>]

strongduanmu commented on pull request #12420:
URL: https://github.com/apache/shardingsphere/pull/12420#issuecomment-918901824


   Because the field type in the Calcite metadata has changed, resulting in a change in the query plan, testSimpleSelect needs to be modified.
   
   ```
   After：
   	
   LogicalProject(order_id=[$0], user_id=[$1], information=[$4])
     LogicalFilter(condition=[=(CAST($1):VARCHAR, CAST($3):VARCHAR)])
       LogicalJoin(condition=[true], joinType=[inner])
         LogicalTableScan(table=[[federate_jdbc, t_order_federate]])
         LogicalTableScan(table=[[federate_jdbc, t_user_info]])
   
   EnumerableCalc(expr#0..4=[{inputs}], proj#0..1=[{exprs}], information=[$t4])
     EnumerableCalc(expr#0..4=[{inputs}], expr#5=[CAST($t1):VARCHAR], expr#6=[CAST($t3):VARCHAR], expr#7=[=($t5, $t6)], proj#0..4=[{exprs}], $condition=[$t7])
       EnumerableNestedLoopJoin(condition=[true], joinType=[inner])
         EnumerableTableScan(table=[[federate_jdbc, t_order_federate]])
         EnumerableTableScan(table=[[federate_jdbc, t_user_info]])
   
   Before：
   
   LogicalProject(order_id=[$0], user_id=[$1], information=[$4])
     LogicalFilter(condition=[=($1, $3)])
       LogicalJoin(condition=[true], joinType=[inner])
         LogicalTableScan(table=[[federate_jdbc, t_order_federate]])
         LogicalTableScan(table=[[federate_jdbc, t_user_info]])
   
   EnumerableCalc(expr#0..4=[{inputs}], proj#0..1=[{exprs}], information=[$t4])
     EnumerableCalc(expr#0..4=[{inputs}], expr#5=[=($t1, $t3)], proj#0..4=[{exprs}], $condition=[$t5])
       EnumerableNestedLoopJoin(condition=[true], joinType=[inner])
         EnumerableTableScan(table=[[federate_jdbc, t_order_federate]])
         EnumerableTableScan(table=[[federate_jdbc, t_user_info]])
   ```


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