database - Mysql Trigger Explicit Implicit Command Not allowed -

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i m trying create trigger showing "explicit , implicit command not allowed". have tried refer other topics here i'm not clear. trigger code.

use `vms`; delimiter $$ create trigger `trg_bookingdetails` after insert on `bookingdetails` each row begin declare int default 1; declare v_ga int default 0; declare v_bid varchar(20); declare v_bdate date; declare v_sdate date; declare v_sid varchar(20); declare v_bcode varchar(10); declare v_q int; declare v_vid int; declare v_jj int; declare v_ss int; declare v_mj int; create temporary table if not exists temp_boo  (     `bid` varchar(50) null default null,     `bdate` date null default null,     `sdate` date null default null,     `sid` varchar(20) null default null,     `bcode` varchar(20) null default null,     `vid` varchar(20) null default null ); begin select bm.bid,bm.bdate,bm.sdate,bm.sid,bd.bcode, bd.quantity v_bid,v_bdate,v_sdate,v_sid,v_bcode,v_ga bookingmaster bm, bookingdetails bd bm.sdate=new.sdate , bm.bid=bd.bid  , bd.bcode='gap' , bm.bid=new.bid; end; while (i<=v_ga) insert temp_boo(bid,bdate,sdate,sid,bcode)         values(new.bid,new.bdate,new.sdate,new.sid,new.bcode); set i=i+1; end while; set i=1; begin select bm.bid,bm.bdate,bm.sdate,bm.sid,bd.bcode, bd.quantity v_bid,v_bdate,v_sdate,v_sid,v_bcode,v_jj bookingmaster bm, bookingdetails bd bm.sdate=new.sdate , bm.bid=bd.bid  , bd.bcode='jjp' , bm.bid=new.bid; end; while (i<=v_jj) insert temp_boo(bid,bdate,sdate,sid,bcode)         values(new.bid,new.bdate,new.sdate,new.sid,new.bcode); set i=i+1; end while; set i=1; begin select bm.bid,bm.bdate,bm.sdate,bm.sid,bd.bcode, bd.quantity v_bid,v_bdate,v_sdate,v_sid,v_bcode,v_ss bookingmaster bm, bookingdetails bd bm.sdate=new.sdate , bm.bid=bd.bid  , bd.bcode='ssp' , bm.bid=new.bid; end; while (i<=v_ss) start transaction; insert temp_boo(bid,bdate,sdate,sid,bcode)         values(new.bid,new.bdate,new.sdate,new.sid,new.bcode); set i=i+1; end while; set i=1; begin select bm.bid,bm.bdate,bm.sdate,bm.sid,bd.bcode, bd.quantity v_bid,v_bdate,v_sdate,v_sid,v_bcode,v_mj bookingmaster bm, bookingdetails bd bm.sdate=new.sdate , bm.bid=bd.bid  , bd.bcode='mjp' , bm.bid=new.bid; end; while (i<=v_mj) insert temp_boo(bid,bdate,sdate,sid,bcode)         values(new.bid,new.bdate,new.sdate,new.sid,new.bcode); set i=i+1; end while; insert bookinguser (bid,bdate,sdate,sid,bcode)  (select bid,bdate,sdate,sid,bcode temp_boo (bid,bdate,sdate,sid,bcode)  not in (select bid,bdate,sdate,sid,bcode bookinguser)); drop table temp_boo; end

please let me know m doing mistake.

try this:

... while (i<=v_ss) /*start transaction;*/ insert temp_boo(bid,bdate,sdate,sid,bcode)         values(new.bid,new.bdate,new.sdate,new.sid,new.bcode); set i=i+1; end while; ...

update

you can not use drop table inside trigger. see 13.3.3 statements cause implicit commit.

... insert bookinguser (bid,bdate,sdate,sid,bcode)  (select bid,bdate,sdate,sid,bcode temp_boo (bid,bdate,sdate,sid,bcode)  not in (select bid,bdate,sdate,sid,bcode bookinguser)); /*drop table temp_boo;*/ ...

sql fiddle demo

update 1

a better approach is:

13.3.3 statements cause implicit commit

"create table , drop table statements not commit transaction if temporary keyword used.".

... while (i<=v_ss) /*start transaction;*/ insert temp_boo(bid,bdate,sdate,sid,bcode)     values(new.bid,new.bdate,new.sdate,new.sid,new.bcode); set i=i+1; end while; ... insert bookinguser (bid,bdate,sdate,sid,bcode)  (select bid,bdate,sdate,sid,bcode temp_boo (bid,bdate,sdate,sid,bcode)  not in (select bid,bdate,sdate,sid,bcode bookinguser)); drop temporary table temp_boo; ...

sql fiddle demo


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