define a cursor NAME DECLARE - define a cursor SYNOPSIS DECLARE name [ BINARY ] [ ASENSITIVE | INSENSITIVE ] [ [ NO ]......L does not have an explicit OPEN cursor statement; a cursor is considered open when it is declared. Use the DECLARE statement to declare a cursor. You can see all available curs…...ly be displayed, since psql displays the fetched rows instead. NOTES The cursor should be declared with the SCROLL option if one intends to use any variants of FETCH other than …...ommand with the same parameters would have returned (possibly zero). EXAMPLES BEGIN WORK; DECLARE liahona CURSOR FOR SELECT * FROM films; -- Skip the first 5 rows: MOVE FORWARD …...:, ., [, alias, bg, bind, break, builtin, case, cd, command, compgen, complete, continue, declare, dirs, disown, echo, enable, eval, exec, exit, export, fc, fg, getopts, hash, h…...:, ., [, alias, bg, bind, break, builtin, case, cd, command, compgen, complete, continue, declare, dirs, disown, echo, enable, eval, exec, exit, export, fc, fg, getopts, hash, h…...action. EXAMPLES Grant all privileges on all views in schema public to role webuser: DO $$DECLARE r record; BEGIN FOR r IN SELECT table_schema, table_name FROM information_schem…...O SAVEPOINT my_savepoint; Cursor positions are not affected by savepoint rollback: BEGIN; DECLARE foo CURSOR FOR SELECT 1 UNION SELECT 2; SAVEPOINT foo; FETCH 1 FROM foo; ?colum…...+ integer operator. Lacking any knowledge of which choice to prefer, it would give up and declare the query ambiguous. The fact that only one of the two casts is implicit is the…...3) — Test whether the system is running the systemd init system sd_bus_add_fallback (3) — Declare properties and methods for a D-Bus path sd_bus_add_fallback_vtable (3) — Declar…...the transform, and the function should be coded as if it were. (But it is not allowed to declare an SQL-level function returning internal without at least one argument of type i…...is not supplied then the state value starts out null. If the state transition function is declared “strict”, then it cannot be called with null inputs. With such a transition fu…...ts locale and act accordingly to be portable to different cultures. The header <locale.h> declares data types, functions, and macros which are useful in this task. The functions…...reedesktop.login1 (5) for details about the logind D-Bus API. 4.The update service should declare DefaultDependencies=no , Requires=sysinit.target , After=sysinit.target , After…...le. Note that WHERE CURRENT OF cannot be specified together with a Boolean condition. See DECLARE (7) for more information about using cursors with WHERE CURRENT OF. output_expr…...e planner should expect the function to return. This is only allowed when the function is declared to return a set. The default assumption is 1000 rows. SUPPORT support_function…...canonical function is a bit tricky, since it must be defined before the range type can be declared. To do this, you must first create a shell type, which is a placeholder type t…...le. Note that WHERE CURRENT OF cannot be specified together with a Boolean condition. See DECLARE (7) for more information about using cursors with WHERE CURRENT OF. output_expr…...is assumed. statement Any SELECT , INSERT , UPDATE , DELETE , MERGE , VALUES , EXECUTE , DECLARE , CREATE TABLE AS , or CREATE MATERIALIZED VIEW AS statement, whose execution pl…...not at the end of the statement). Uniqueness and exclusion constraints that have not been declared DEFERRABLE are also checked immediately. The firing of triggers that are decla…