plsql - PL/SQL Error With Nested IF statements -

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apex 4.2

i have following pl/sql code block below whenever run in apex, keep getting error:

ora-06550: line 35, column 4: pls-00103: encountered symbol ";" when expecting 1 of following: if

declare    show_changes boolean;    l_exists integer;  begin  select count(*) l_exists dba_role_privs grantee = upper(:app_user) , (granted_role = 'survey_job_suid' or granted_role = 'survey_suid');  if l_exists = 0            /* unauthorized */    if :p32_survey_job_request_id not null  , (:p32_submission_date null     , :p32_lock_date null)               show_changes := true;    if :p32_survey_job_request_id not null , (:p32_submission_date not null , :p32_lock_date null)       show_changes := true;    if :p32_survey_job_request_id not null , (:p32_submission_date not null     , :p32_lock_date not null)           show_changes := false;     end if; else                          /* authorized */      if :p32_survey_job_request_id not null  , (:p32_submission_date null , :p32_lock_date null)               show_changes := true;    if :p32_survey_job_request_id not null , (:p32_submission_date not null , :p32_lock_date null)       show_changes := true;    if :p32_survey_job_request_id not null , (:p32_submission_date not null , :p32_lock_date not null)       show_changes := true;  end if; return show_changes; end;

i'm not sure problem is. appreciated. in advance.

an if has paired end if , else comes before end if. if want have 3 separate if statements in each of 2 branches in outer if, you'd want like

if l_exists = 0   if :p32_survey_job_request_id not null  ,      (:p32_submission_date null     , :p32_lock_date null)                  show_changes := true;   end if;   if :p32_survey_job_request_id not null ,       (:p32_submission_date not null , :p32_lock_date null)          show_changes := true;   end if;   if :p32_survey_job_request_id not null ,       (:p32_submission_date not null     , :p32_lock_date not null)              show_changes := false;       end if; else   <<repeat pattern>> end if;

my guess, however, don't want have 3 separate if statements in each branch. guess want single if statement elsif

if l_exists = 0   if :p32_survey_job_request_id not null ,      (:p32_submission_date null     , :p32_lock_date null)                  show_changes := true;   elsif :p32_survey_job_request_id not null ,         (:p32_submission_date not null , :p32_lock_date null)          show_changes := true;   elsif :p32_survey_job_request_id not null ,         (:p32_submission_date not null     , :p32_lock_date not null)              show_changes := false;       end if; else   <<repeat pattern>> end if;

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