PostgreSQL/Cursor/Close Cursor

Close a cursor

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postgres=# CREATE TABLE "publishers" ( postgres(# "id" integer NOT NULL, postgres(# "name" text, postgres(# "address" text, postgres(# Constraint "publishers_pkey" Primary Key ("id") postgres(# ); NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "publishers_pkey" for table "publishers" CREATE TABLE postgres=# postgres=# postgres=# insert into publishers values(150, "Can Press", "29 Ave. Toronto, ON"); INSERT 0 1 postgres=# insert into publishers values(91, "Henry Inc.", "115 Street New York, NY"); INSERT 0 1 postgres=# insert into publishers values(113, "O Inc.", "101 St, Sebastopol, CA"); INSERT 0 1 postgres=# insert into publishers values(62, "W Pubs", "1515, New York"); INSERT 0 1 postgres=# insert into publishers values(105, "N Press", "19 W, New York"); INSERT 0 1 postgres=# insert into publishers values(99, "A Inc", "375 St, New York"); INSERT 0 1 postgres=# insert into publishers values(101, "Z Inc", "375 Ave, New York"); INSERT 0 1 postgres=# insert into publishers values(163, "M Press", "PO Box 1215"); INSERT 0 1 postgres=# insert into publishers values(171, "B", "16 W. 18th St. New York"); INSERT 0 1 postgres=# insert into publishers values(102, "P Inc", "375 Hudson St, New York"); INSERT 0 1 postgres=# insert into publishers values(75, "D Inc", "1540 Broadway, New York"); INSERT 0 1 postgres=# insert into publishers values(65, "H Pubs", "10 E 53rd St, New York"); INSERT 0 1 postgres=# insert into publishers values(59, "R Inc", "1540 Broadway, New York"); INSERT 0 1 postgres=# postgres=# select * from publishers;

id  |    name    |         address

---

+------------+-------------------------

150 | Can Press  | 29 Ave. Toronto, ON
 91 | Henry Inc. | 115 Street New York, NY
113 | O Inc.     | 101 St, Sebastopol, CA
 62 | W Pubs     | 1515, New York
105 | N Press    | 19 W, New York
 99 | A Inc      | 375 St, New York
101 | Z Inc      | 375 Ave, New York
163 | M Press    | PO Box 1215
171 | B          | 16 W. 18th St. New York
102 | P Inc      | 375 Hudson St, New York
 75 | D Inc      | 1540 Broadway, New York
 65 | H Pubs     | 10 E 53rd St, New York
 59 | R Inc      | 1540 Broadway, New York

(13 rows) postgres=# postgres=# -- Declares a cursor named cur_publisher and then uses that cursor to fetch 2 rows. postgres=# postgres=# postgres=# BEGIN WORK; BEGIN postgres=# DECLARE cur_publisher CURSOR FOR SELECT name FROM publishers; DECLARE CURSOR postgres=# FETCH FORWARD 2 IN cur_publisher;

   name

---

Can Press
Henry Inc.

(2 rows) postgres=# postgres=# close cur_publisher; CLOSE CURSOR postgres=# END WORK; COMMIT postgres=# postgres=# drop table publishers; DROP TABLE postgres=# postgres=#

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