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refactor: dbms优化

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This commit is contained in:
meilin.huang
2024-03-18 12:25:40 +08:00
parent bd1e83989d
commit 68e0088016
21 changed files with 349 additions and 414 deletions
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30
server/internal/db/dbm/dbi/metasql/dm_meta.sql
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@@ -28,33 +28,9 @@ FROM all_objects a
WHERE a.owner = (SELECT SF_GET_SCHEMA_NAME_BY_ID(CURRENT_SCHID))
AND a.object_type = 'TABLE'
AND a.status = 'VALID'
ORDER BY a.object_name
---------------------------------------
--DM_TABLE_INFO_BY_NAMES 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'
AND a.object_name in (%s)
{{if .tableNames}}
and a.object_name in ({{.tableNames}})
{{end}}
ORDER BY a.object_name
---------------------------------------
--DM_INDEX_INFO 表索引信息