-name table-datatype>;
+name tablename%ROWTYPE>;
- A variable declared with a composite type (referenced by the name of
- the table that defines that type) is called a row>
- variable. Such a variable can hold a whole row of a SELECT or FOR
+ A variable of a composite type is called a row>
+ variable (or rowtype> variable). Such a variable can hold a
+ whole row of a SELECT or FOR
query result, so long as that query's column set matches the declared
- rowtype of the variable. The individual fields of the row value are
+ type of the variable. The individual fields of the row value are
accessed using the usual dot notation, for example
rowvar.field.
+ Presently, a row variable can only be declared using the
+ %ROWTYPE notation; although one might expect a
+ bare table name to work as a type declaration, it won't be accepted
+ within
PL/pgSQL functions.
+
+
Parameters to a function can be
composite types (complete table rows). In that case, the
%ROWTYPE provides the composite data type corresponding
to a whole row of the specified table.
table must be an existing
- table or view name of the database. A row variable declared
- in this way acts the same as a row variable explicitly declared using
- the same composite (row) datatype.
+ table or view name of the database.
RENAME this_var TO that_var;
+
+
+ RENAME appears to be broken as of PostgreSQL 7.2. Fixing this is
+ of low priority, since ALIAS covers most of the practical uses of
+ RENAME.
+
+
+