LoverAndrew opened a new issue, #6054: URL: https://github.com/apache/seatunnel/issues/6054
### Search before asking - [X] I had searched in the [issues](https://github.com/apache/seatunnel/issues?q=is%3Aissue+label%3A%22bug%22) and found no similar issues. ### What happened OracleCatalog's sql statement of SELECT_COLUMNS_SQL_TEMPLATE have some issue when the column‘s type is NVARCHAR2 or NCHAR, the length of column should get the cols.char_col_decl_length.  so the sql statement of SELECT_COLUMNS_SQL_TEMPLATE show be ``` SELECT cols.COLUMN_NAME, CASE WHEN cols.data_type LIKE 'INTERVAL%%' THEN 'INTERVAL' ELSE REGEXP_SUBSTR(cols.data_type, '^[^(]+') END as TYPE_NAME, cols.data_type || CASE WHEN cols.data_type IN ('VARCHAR2', 'CHAR') THEN '(' || cols.data_length || ')' WHEN cols.data_type IN ('NVARCHAR2','NCHAR') THEN '(' || cols.CHAR_LENGTH || ')' WHEN cols.data_type IN ('NUMBER') AND cols.data_precision IS NOT NULL AND cols.data_scale IS NOT NULL THEN '(' || cols.data_precision || ', ' || cols.data_scale || ')' WHEN cols.data_type IN ('NUMBER') AND cols.data_precision IS NOT NULL AND cols.data_scale IS NULL THEN '(' || cols.data_precision || ')' WHEN cols.data_type IN ('RAW') THEN '(' || cols.data_length || ')' END AS FULL_TYPE_NAME, CASE WHEN cols.data_type IN ('NVARCHAR2','NCHAR') THEN cols.CHAR_LENGTH ELSE cols.data_length END AS COLUMN_LENGTH, cols.data_precision AS COLUMN_PRECISION, cols.data_scale AS COLUMN_SCALE, com.comments AS COLUMN_COMMENT, cols.data_default AS DEFAULT_VALUE, CASE cols.nullable WHEN 'N' THEN 'NO' ELSE 'YES' END AS IS_NULLABLE FROM all_tab_columns cols LEFT JOIN all_col_comments com ON cols.table_name = com.table_name AND cols.column_name = com.column_name AND cols.owner = com.owner WHERE cols.owner = '%s' AND cols.table_name = '%s' ORDER BY cols.column_id ``` ### SeaTunnel Version V2.3.3 ### SeaTunnel Config ```conf none ``` ### Running Command ```shell none ``` ### Error Exception ```log none ``` ### Zeta or Flink or Spark Version _No response_ ### Java or Scala Version _No response_ ### Screenshots _No response_ ### Are you willing to submit PR? - [X] Yes I am willing to submit a PR! ### Code of Conduct - [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct) -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
