branch-3.0: [Enhancement](sql-dialect) Support multiple sql-converter service urls #52636 #53026
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#52636) ### What problem does this PR solve? Problem Summary: **Set up two service addresses** ``` Doris > set global sql_converter_service_url = 'http://127.0.0.1:5001/api/v1/convert,http://127.0.0.1:5002/api/v1/convert'; Query OK, 0 rows affected (0.04 sec) Doris > set sql_dialect = 'clickhouse'; Query OK, 0 rows affected (0.05 sec) Doris > SELECT arrayElement(arr, 2) FROM (SELECT [1, 2, 3] AS arr); +--------------------+ | ELEMENT_AT(arr, 2) | +--------------------+ | 2 | +--------------------+ 1 row in set (0.11 sec) ``` **Stop one of the services** ``` Doris > SELECT arrayElement(arr, 2) FROM (SELECT [1, 2, 3] AS arr); +--------------------+ | ELEMENT_AT(arr, 2) | +--------------------+ | 2 | +--------------------+ 1 row in set (0.14 sec) ``` **Stopping all services resulted in expected errors** ``` Doris > SELECT arrayElement(arr, 2) FROM (SELECT [1, 2, 3] AS arr); ERROR 1105 (HY000): errCode = 2, detailMessage = Every derived table must have its own alias(line 1, pos 33) == SQL == SELECT arrayElement(arr, 2) FROM (SELECT [1, 2, 3] AS arr) ---------------------------------^^^ Doris > SELECT arrayElement(arr, 2) FROM (SELECT [1, 2, 3] AS arr); ERROR 1105 (HY000): errCode = 2, detailMessage = Every derived table must have its own alias(line 1, pos 33) == SQL == SELECT arrayElement(arr, 2) FROM (SELECT [1, 2, 3] AS arr) ---------------------------------^^^ ``` **Restart one of the services** ``` Doris > SELECT arrayElement(arr, 2) FROM (SELECT [1, 2, 3] AS arr); +--------------------+ | ELEMENT_AT(arr, 2) | +--------------------+ | 2 | +--------------------+ 1 row in set (0.16 sec) ```
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Thank you for your contribution to Apache Doris. Please clearly describe your PR:
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run buildall |
TPC-H: Total hot run time: 39729 ms |
TPC-DS: Total hot run time: 197102 ms |
ClickBench: Total hot run time: 30.34 s |
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Cherry-picked from #52636