Documentazione di PostgreSQL 9.0 > Internal > System Catalogs > pg_rewrite
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45.32. pg_rewrite

The catalog pg_rewrite stores rewrite rules for tables and views.

Tabella 45.32. pg_rewrite Columns

NameTypeReferencesDescription
rulenamename Rule name
ev_classoidpg_class.oidThe table this rule is for
ev_attrint2 The column this rule is for (currently, always zero to indicate the whole table)
ev_typechar  Event type that the rule is for: 1 = SELECT, 2 = UPDATE, 3 = INSERT, 4 = DELETE
ev_enabledchar  Controls in which session_replication_role modes the rule fires. O = rule fires in «origin» and «local» modes, D = rule is disabled, R = rule fires in «replica» mode, A = rule fires always.
is_insteadbool True if the rule is an INSTEAD rule
ev_qualpg_node_tree  Expression tree (in the form of a nodeToString() representation) for the rule's qualifying condition
ev_actionpg_node_tree  Query tree (in the form of a nodeToString() representation) for the rule's action

[Nota]

Nota

pg_class.relhasrules must be true if a table has any rules in this catalog.

Documentazione di PostgreSQL 9.0 > Internal > System Catalogs > pg_rewrite
Precedentepg_procpg_db_role_settingSuccessivo