pg_column_size

Shows the number of bytes used to store any individual data value. If applied directly to a table column value, this reflects any compression that was done.

English manual coverage begins with PostgreSQL 7.1. Source history and runtime observations have their own recorded version boundaries.

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group: admin
group label: 系统管理函数
lang: en
layout: table-new
pages: functions-admin.html
prose only: false

Definition PG 18

Shows the number of bytes used to store any individual data value. If applied directly to a table column value, this reflects any compression that was done.

Signatures and overloads

pg_column_size ( "any" ) → integer → integer

Shows the number of bytes used to store any individual data value. If applied directly to a table column value, this reflects any compression that was done.

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Complete source facts

documentation revision

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Source references

Original manual reference

Full definition and evidence JSON

Definition sources

center · PostgreSQL 18 · wiki-repair-20261023:b60346fa75367d210a6c1b7f34e9928b0b138e8a8d53bbe6c2d8f5e738a675d9

Text language: en · wiki-repair-20261023:b60346fa75367d210a6c1b7f34e9928b0b138e8a8d53bbe6c2d8f5e738a675d9