drop_operator.hlp
上传用户:blenddy
上传日期:2007-01-07
资源大小:6495k
文件大小:1k
- .pgaw:Help.f.t insert end "DROP OPERATOR" {bold} " The DROP OPERATOR statement drops an existing operator from the database. To execute this command you must be the owner of the operator.
- The left or right type of a left or right unary operator, respectively, may be specified as NONE.
- " {} "Synopsis" {bold} "
- " {} "
- DROP OPERATOR id ( type | NONE [,...] )
- " {code} "Usage" {bold} "
- Remove power operator a^n for int4:
- " {} "
- DROP OPERATOR ^ (int4, int4);
-
- " {code} "
- Remove left unary operator !a for booleans:
- " {} "
- DROP OPERATOR ! (none, bool);
-
- " {code} "
- Remove right unary factorial operator a! for int4:
- " {} "
- DROP OPERATOR ! (int4, none);
- " {code} "Notes" {bold} "
- The DROP OPERATOR statement is a Postgres language extension.
- Refer to CREATE OPERATOR for information on how to create operators.
- It is the user's responsibility to remove any access methods and operator classes that rely on the deleted operator.
- "