SELECT
'oracle' AS "dbType",
TEMP.COLUMN_NAME AS "columnName",
TEMP.data_type AS "columnType",
TEMP.data_type AS "dataType",
TEMP.comments AS "comments",
CASE
TEMP.constraint_type
WHEN 'P' THEN
'PRI'
WHEN 'C' THEN
'UNI' ELSE''
END "columnKey"
FROM
(
SELECT
col.column_id,
col.COLUMN_NAME,
col.data_type,
colc.comments,
uc.constraint_type,
ROW_NUMBER ( ) OVER (
PARTITION BY col.COLUMN_NAME
ORDER BY
uc.constraint_type DESC
) AS row_flg
FROM
user_tab_columns col
LEFT JOIN user_col_comments colc ON colc.TABLE_NAME = col.TABLE_NAME
AND colc.COLUMN_NAME = col.
COLUMN_NAME LEFT JOIN user_cons_columns ucc ON ucc.TABLE_NAME = col.TABLE_NAME
AND ucc.COLUMN_NAME = col.
COLUMN_NAME LEFT JOIN user_constraints uc ON uc.CONSTRAINT_NAME = ucc.CONSTRAINT_NAME
WHERE
col.TABLE_NAME = #{tableName}
) TEMP
WHERE
TEMP.row_flg = 1
ORDER BY
TEMP.column_id