Pg_relation_size
pg_relation_size 接受一个表、索引、压缩表的OID 或者名字, 然后返回它们以字节计的磁盘大小。指定'main' 或省略第二个参数返回这个关系的主数据支路的大小。指定'fsm' ... ,SELECT pg_size_pretty(sum(pg_relation_size(relid))) AS total_size FROM pg_partition_tree('measurement');. 9.27.8. Index Maintenance Functions #. Table 9.100 ...
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Pg_relation_size 相關參考資料
9.26. System Administration Functions
pg_relation_size accepts the OID or name of a table, index or toast table, and returns the on-disk size in bytes of one fork of that relation. (Note that ... https://www.postgresql.org 9.26. 系统管理函数
pg_relation_size 接受一个表、索引、压缩表的OID 或者名字, 然后返回它们以字节计的磁盘大小。指定'main' 或省略第二个参数返回这个关系的主数据支路的大小。指定'fsm' ... http://www.postgres.cn Documentation: 16: 9.27. System Administration Functions
SELECT pg_size_pretty(sum(pg_relation_size(relid))) AS total_size FROM pg_partition_tree('measurement');. 9.27.8. Index Maintenance Functions #. Table 9.100 ... https://www.postgresql.org iT 邦幫忙::一起幫忙解決難題,拯救IT 人的一天
... (pg_relation_size('foo200210')); +----------------+ | pg_size_pretty | +----------------+ | 346 MB | +----------------+ -- 接著增加一個text 欄位,存放隨機資料 ... https://ithelp.ithome.com.tw pg_relation_size() - pgPedia - a PostgreSQL Encyclopedia
pg_relation_size() is a system function for determining the on-disk size of a particular fork of a relation. pg_relation_size() was added in ... https://pgpedia.info The difference between pg_total_relation_size vs ...
This function is equivalent to pg_table_size + pg_indexes_size. pg_relation_size returns the on-disk size in bytes of one fork of that relation. (Note that for ... https://community.pivotal.io What's the difference between pg_table_size ...
2017年2月1日 — From that, you can tell pg_table_size is the sum of all the return values of pg_relation_size . And pg_total_relation_size is the sum of ... https://stackoverflow.com 取得資料庫物件所佔用的磁碟空間
pg_relation_size(). 結果的單位是Byte. select pg_relation_size('mytable'); pg_relation_size ------------------ 16384. pg_size_pretty(). 可以將空間大小的數目轉換 ... https://hackmd.io 查询PG数据库表大小的方法和几个相关函数之间的差别
2021年8月27日 — pg_relation_size不加参数,默认就是查的表的数据文件大小,单位字节。 pg_relation_size加参数main,也是查的表的数据文件大小,单位字节。 https://juejin.cn |