mayfly-go/server/internal/db/dbm/dbi/metasql/dm_meta.sql

--DM_DB_SCHEMAS 库schemas
select
    distinct owner as SCHEMA_NAME
from all_objects
order by owner
---------------------------------------
--DM_TABLE_INFO 表详细信息
SELECT a.object_name                                      as TABLE_NAME,
       b.comments                                         as TABLE_COMMENT,
       a.created                                          as CREATE_TIME,
       TABLE_USED_SPACE(
               (SELECT SF_GET_SCHEMA_NAME_BY_ID(CURRENT_SCHID)),
               a.object_name
       ) * page()                                         as DATA_LENGTH,
       (SELECT sum(INDEX_USED_PAGES(id))* page()
        FROM SYSOBJECTS
        WHERE NAME IN (SELECT INDEX_NAME
                       FROM ALL_INDEXES
                       WHERE OWNER = 'wxb'
                         AND TABLE_NAME = a.object_name)) as INDEX_LENGTH,
       c.num_rows                                         as TABLE_ROWS
FROM all_objects a
         LEFT JOIN ALL_TAB_COMMENTS b ON b.TABLE_TYPE = 'TABLE'
    AND a.object_name = b.TABLE_NAME
    AND b.owner = a.owner
         LEFT JOIN (SELECT a.owner, a.table_name, a.num_rows FROM all_tables a) c
                   ON c.owner = a.owner AND c.table_name = a.object_name
WHERE a.owner = (SELECT SF_GET_SCHEMA_NAME_BY_ID(CURRENT_SCHID))
  AND a.object_type = 'TABLE'
  AND a.status = 'VALID'
    {{if .tableNames}}
        and a.object_name in ({{.tableNames}})
    {{end}}
ORDER BY a.object_name
---------------------------------------
--DM_INDEX_INFO 表索引信息
select a.index_name                                        as INDEX_NAME,
       a.index_type                                        as INDEX_TYPE,
       case when a.uniqueness = 'UNIQUE' then 1 else 0 end as IS_UNIQUE,
       indexdef(b.object_id, 1)                            as INDEX_DEF,
       c.column_name                                       as COLUMN_NAME,
       c.column_position                                   as SEQ_IN_INDEX,
       '无'                                                as INDEX_COMMENT
FROM ALL_INDEXES a
         LEFT JOIN all_objects b on a.owner = b.owner and b.object_name = a.index_name and b.object_type = 'INDEX'
         LEFT JOIN ALL_IND_COLUMNS c
                   on a.owner = c.table_owner and a.index_name = c.index_name and a.TABLE_NAME = c.table_name

WHERE a.owner = (SELECT SF_GET_SCHEMA_NAME_BY_ID(CURRENT_SCHID))
  and a.TABLE_NAME = '%s'
  and indexdef(b.object_id, 1) != '禁止查看系统定义的索引信息'
order by a.TABLE_NAME, a.index_name, c.column_position asc
---------------------------------------
--DM_COLUMN_MA 表列信息
select a.owner,
       a.table_name                                                                        as TABLE_NAME,
       a.column_name                                                                       as COLUMN_NAME,
       case when a.NULLABLE = 'Y' then 'YES' when a.NULLABLE = 'N' then 'NO' else 'NO' end as NULLABLE,
       case when t3.TYPE_NAME != '' then 'SYSGEO.' || UPPER(t3.TYPE_NAME) else a.DATA_TYPE end as DATA_TYPE,
       a.char_col_decl_length                                                              as CHAR_MAX_LENGTH,
       a.data_precision                                                                    as NUM_PRECISION,
       a.data_scale                                                                        as NUM_SCALE,
       b.COMMENT$                                                                          as COLUMN_COMMENT,
       a.data_default                                                                      as COLUMN_DEFAULT,
       case when t.INFO2 & 0x01 = 0x01 then 1 else 0 end                                   as IS_IDENTITY,
       case when t2.constraint_type = 'P' then 1 else 0 end                                as IS_PRIMARY_KEY
from all_tab_columns a
         left join SYSCOLUMNCOMMENTS b
                   on b.SCHNAME = (SELECT SF_GET_SCHEMA_NAME_BY_ID(CURRENT_SCHID))
                       and b.TVNAME = a.table_name
                       and a.column_name = b.COLNAME
         left join (select c1.*, c2.object_name, c2.owner
                    FROM SYS.SYSCOLUMNS c1
                             join SYS.all_objects c2 on c1.id = c2.object_id and c2.object_type = 'TABLE') t
                   on t.object_name = a.table_name and t.owner = a.owner and t.NAME = a.column_name
         left join (select uc.OWNER, uic.column_name, uic.table_name, uc.constraint_type
                    from all_ind_columns uic
                             left join all_constraints uc on uic.index_name = uc.index_name) t2
                   on t2.table_name = t.object_name and a.column_name = t2.column_name and t2.OWNER = a.owner
         left join USER_TYPES t3 ON  ('CLASS' || t3.TYPEID) = a.DATA_TYPE
where a.owner = (SELECT SF_GET_SCHEMA_NAME_BY_ID(CURRENT_SCHID))
  and a.table_name in (%s)
order by a.table_name,
         a.column_id