[fix](external) Fix case-insensitive table name mapping retrieval rules #38227 #43312
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…es (apache#38227) # Catalog DDL ``` Doris > CREATE CATALOG `oracle` PROPERTIES ( -> "user" = "doris_test", -> "type" = "jdbc", -> "password" = "xxx", -> "jdbc_url" = "jdbc:oracle:thin:@xxx:1521:XE", -> "driver_url" = "ojdbc8-19.3.0.0.jar", -> "driver_class" = "oracle.jdbc.driver.OracleDriver" -> ); Query OK, 0 rows affected (2.16 sec) ``` # FE Conf lower_case_table_names = 1 ``` Doris > show variables like '%lower_case%'; +------------------------+-------+---------------+---------+ | Variable_name | Value | Default_Value | Changed | +------------------------+-------+---------------+---------+ | lower_case_table_names | 1 | 0 | 1 | +------------------------+-------+---------------+---------+ 1 row in set (0.00 sec) Doris > show tables from oracle.DORIS_TEST; +----------------------+ | Tables_in_DORIS_TEST | +----------------------+ | aa/d | | aaad | | lower_test | | student | | student2 | | student3 | | test_all_types | | test_char | | test_clob | | test_date | | test_insert | | test_int | | test_num | | test_number | | test_number2 | | test_number3 | | test_number4 | | test_raw | | test_timestamp | +----------------------+ 19 rows in set (0.01 sec) ``` ## Before: ``` Doris > select * from oracle.DORIS_TEST.test_int limit 1; +------+----------------+-----------------+------------+--------------------+----------------+-----------------+------------+---------------------+ | ID | TINYINT_VALUE1 | SMALLINT_VALUE1 | INT_VALUE1 | BIGINT_VALUE1 | TINYINT_VALUE2 | SMALLINT_VALUE2 | INT_VALUE2 | BIGINT_VALUE2 | +------+----------------+-----------------+------------+--------------------+----------------+-----------------+------------+---------------------+ | 1 | 99 | 9999 | 999999999 | 999999999999999999 | 999 | 99999 | 9999999999 | 9999999999999999999 | +------+----------------+-----------------+------------+--------------------+----------------+-----------------+------------+---------------------+ 1 row in set (1.03 sec) Doris > select * from oracle.DORIS_TEST.TEST_INT limit 1; ERROR 1105 (HY000): errCode = 2, detailMessage = Table [TEST_INT] does not exist in database [DORIS_TEST]. ``` ## After: ``` Doris > select * from oracle.DORIS_TEST.test_int limit 1; +------+----------------+-----------------+------------+--------------------+----------------+-----------------+------------+---------------------+ | ID | TINYINT_VALUE1 | SMALLINT_VALUE1 | INT_VALUE1 | BIGINT_VALUE1 | TINYINT_VALUE2 | SMALLINT_VALUE2 | INT_VALUE2 | BIGINT_VALUE2 | +------+----------------+-----------------+------------+--------------------+----------------+-----------------+------------+---------------------+ | 1 | 99 | 9999 | 999999999 | 999999999999999999 | 999 | 99999 | 9999999999 | 9999999999999999999 | +------+----------------+-----------------+------------+--------------------+----------------+-----------------+------------+---------------------+ 1 row in set (0.20 sec) Doris > select * from oracle.DORIS_TEST.TEST_INT limit 1; +------+----------------+-----------------+------------+--------------------+----------------+-----------------+------------+---------------------+ | ID | TINYINT_VALUE1 | SMALLINT_VALUE1 | INT_VALUE1 | BIGINT_VALUE1 | TINYINT_VALUE2 | SMALLINT_VALUE2 | INT_VALUE2 | BIGINT_VALUE2 | +------+----------------+-----------------+------------+--------------------+----------------+-----------------+------------+---------------------+ | 1 | 99 | 9999 | 999999999 | 999999999999999999 | 999 | 99999 | 9999999999 | 9999999999999999999 | +------+----------------+-----------------+------------+--------------------+----------------+-----------------+------------+---------------------+ 1 row in set (0.20 sec) ``` # FE Conf lower_case_table_names = 2 ``` Doris > show variables like '%lower_case%'; +------------------------+-------+---------------+---------+ | Variable_name | Value | Default_Value | Changed | +------------------------+-------+---------------+---------+ | lower_case_table_names | 2 | 0 | 1 | +------------------------+-------+---------------+---------+ 1 row in set (0.01 sec) Doris > show tables from oracle.DORIS_TEST; +----------------------+ | Tables_in_DORIS_TEST | +----------------------+ | AA/D | | AAAD | | LOWER_TEST | | STUDENT | | TEST_ALL_TYPES | | TEST_CHAR | | TEST_CLOB | | TEST_DATE | | TEST_INSERT | | TEST_INT | | TEST_NUM | | TEST_NUMBER | | TEST_NUMBER2 | | TEST_NUMBER3 | | TEST_NUMBER4 | | TEST_RAW | | TEST_TIMESTAMP | | student2 | | student3 | +----------------------+ 19 rows in set (1.05 sec) ``` ## Before: ``` Doris > select * from oracle.DORIS_TEST.test_int limit 1; ERROR 1105 (HY000): errCode = 2, detailMessage = Table [test_int] does not exist in database [DORIS_TEST]. Doris > select * from oracle.DORIS_TEST.TEST_INT limit 1; +------+----------------+-----------------+------------+--------------------+----------------+-----------------+------------+---------------------+ | ID | TINYINT_VALUE1 | SMALLINT_VALUE1 | INT_VALUE1 | BIGINT_VALUE1 | TINYINT_VALUE2 | SMALLINT_VALUE2 | INT_VALUE2 | BIGINT_VALUE2 | +------+----------------+-----------------+------------+--------------------+----------------+-----------------+------------+---------------------+ | 1 | 99 | 9999 | 999999999 | 999999999999999999 | 999 | 99999 | 9999999999 | 9999999999999999999 | +------+----------------+-----------------+------------+--------------------+----------------+-----------------+------------+---------------------+ 1 row in set (1.07 sec) ``` ## After: ``` Doris > select * from oracle.DORIS_TEST.test_int limit 1; +------+----------------+-----------------+------------+--------------------+----------------+-----------------+------------+---------------------+ | ID | TINYINT_VALUE1 | SMALLINT_VALUE1 | INT_VALUE1 | BIGINT_VALUE1 | TINYINT_VALUE2 | SMALLINT_VALUE2 | INT_VALUE2 | BIGINT_VALUE2 | +------+----------------+-----------------+------------+--------------------+----------------+-----------------+------------+---------------------+ | 1 | 99 | 9999 | 999999999 | 999999999999999999 | 999 | 99999 | 9999999999 | 9999999999999999999 | +------+----------------+-----------------+------------+--------------------+----------------+-----------------+------------+---------------------+ 1 row in set (0.21 sec) Doris > select * from oracle.DORIS_TEST.TEST_INT limit 1; +------+----------------+-----------------+------------+--------------------+----------------+-----------------+------------+---------------------+ | ID | TINYINT_VALUE1 | SMALLINT_VALUE1 | INT_VALUE1 | BIGINT_VALUE1 | TINYINT_VALUE2 | SMALLINT_VALUE2 | INT_VALUE2 | BIGINT_VALUE2 | +------+----------------+-----------------+------------+--------------------+----------------+-----------------+------------+---------------------+ | 1 | 99 | 9999 | 999999999 | 999999999999999999 | 999 | 99999 | 9999999999 | 9999999999999999999 | +------+----------------+-----------------+------------+--------------------+----------------+-----------------+------------+---------------------+ 1 row in set (0.20 sec) ```
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Thank you for your contribution to Apache Doris. Since 2024-03-18, the Document has been moved to doris-website. |
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cherry pick from #38227