FlinkStreamSQL的insert时不支持union all函数

SideSqlExec.java、特に joinFun から開始し、その後、スタックトレースに示されている ExecuteProcessHelper.java からの呼び出しを追ってください。提供された INSERT クエリを UNION ALL とともに再現し、一時ビュー名が複数回作成される理由を調査してください。クエリが重複した一時テーブルの検証エラーで失敗しなくなれば完了です。

insert into MyResult

select
r1.actionNum as actionNum,
r1.IMEI as IMEI,
r1.IMEIList as IMEIList,
r1.IMEIStatus as IMEIStatus,
r1.belongWarehouseId as belongWarehouseId,
r1.belongCustomerId as belongCustomerId,
r1.brand as brand,
r1.product as product,
r1.marketing_name as marketing_name,
r1.belongCustomer as belongCustomer,
r1.belongWarehouse as belongWarehouse
from
(
(
select
'0' as actionNum,
wcs.imei as IMEI,
wcs.imei_list as IMEIList,
'Available' as IMEIStatus,
wcs.warehouse_id as belongWarehouseId,
cw.enterprise_id as belongCustomerId,
sm.brand as brand,
concat(trim(sm.marketing_name), ' ', trim(sm.rom_ram), ' ', trim(sm.color)) as product,
sm.marketing_name as marketName,
'' as belongCustomer,
'' as belongWarehouse
from
t_channel_warehouse_current_stock as wcs
left join t_channel_warehouse as cw on wcs.warehouse_id=cw.id
left join t_enter_sap_mat as sm on wcs.material_id =sm.matnr
where
wcs.source_type in ('6')
and wcs.type in ('INSERT')
)
union all
(
select
'1' as actionNum,
wcs.imei as IMEI,
wcs.imei_list as IMEIList,
'Available' as IMEIStatus,
wcs.warehouse_id as belongWarehouseId,
cw.enterprise_id as belongCustomerId,
sm.brand as brand,
concat(trim(sm.marketing_name), ' ', trim(sm.rom_ram), ' ', trim(sm.color)) as product,
sm.marketing_name as marketName,
sm.rom_ram as rom_ram,
sm.color as color,
'' as belongCustomer,
'' as belongWarehouse
from
t_channel_warehouse_current_stock as wcs
left join t_channel_warehouse as cw on wcs.warehouse_id=cw.id
left join t_enter_sap_mat as sm on wcs.material_id =sm.matnr
where
wcs.source_type in ('6')
and wcs.status in ('1')
and wcs.type in ('UPDATE')
)
) r1

报错：

Exception in thread "main" org.apache.flink.table.api.ValidationException: Temporary table default_catalog.default_database.t_channel_warehouse_current_stock_t_channel_warehouse_0 already exists
at org.apache.flink.table.catalog.CatalogManager.lambda$createTemporaryTable$10(CatalogManager.java:472)
at java.util.HashMap.compute(HashMap.java:1197)
at org.apache.flink.table.catalog.CatalogManager.createTemporaryTable(CatalogManager.java:470)
at org.apache.flink.table.api.internal.TableEnvironmentImpl.createTemporaryView(TableEnvironmentImpl.java:282)
at org.apache.flink.table.api.internal.TableEnvironmentImpl.createTemporaryView(TableEnvironmentImpl.java:269)
at com.dtstack.flink.sql.side.SideSqlExec.joinFun(SideSqlExec.java:554)
at com.dtstack.flink.sql.side.SideSqlExec.exec(SideSqlExec.java:175)
at com.dtstack.flink.sql.exec.ExecuteProcessHelper.sqlTranslation(ExecuteProcessHelper.java:232)
at com.dtstack.flink.sql.exec.ExecuteProcessHelper.getStreamExecution(ExecuteProcessHelper.java:170)
at com.dtstack.flink.sql.Main.main(Main.java:41)
at com.dtstack.flink.sql.launcher.LauncherMain.main(LauncherMain.java:140)