PL/SQL: cursor already open

Hi all

You people could help to resolve the error
"PL/SQL: cursor already open '."

Thanks in advance
 CREATE OR REPLACE FUNCTION get_row_lane_counts_text
 RETURN VARCHAR2
 IS
    my_row_counts_text      VARCHAR2(10000);
    my_row_counts_entry      VARCHAR2(10000);
    my_row_counts_pct_entry      VARCHAR2(10000);      
    my_row_count_total_text  VARCHAR2(10000);
    my_total            NUMBER(12);
    my_count_result     VARCHAR2(20);
 
    CURSOR row_counts_text IS
        SELECT 'edr_rpt_lane_by_class_package.gen_total_lane_count('
                        ||'lane_id, '
                        ||'direction_id, '
                        ||'interval_start_date_time, '
                        ||'interval_end_date_time, '
                        ||'range_low, '
                        ||'range_high, '
                        || site_lane_id || ', '                                        
                        || site_lane_id || ') "#'|| site_lane_id || '"'
          FROM edr_rpt_tmp_report_lanes     
      ORDER BY site_lane_id;
      
       CURSOR row_counts_pct_text IS
        SELECT 'edr_rpt_lane_by_class_package.gen_total_lane_count_pct('
                        ||'lane_id, '
                        ||'direction_id, '
                        ||'interval_start_date_time, '
                        ||'interval_end_date_time, '
                        ||'range_low, '
                        ||'range_high, '
                        || site_lane_id || ', '                                        
                        || site_lane_id || ') "#'|| site_lane_id || '%"'
          FROM edr_rpt_tmp_report_lanes     
      ORDER BY site_lane_id;
      
      
 
 BEGIN
 
   my_row_counts_text      := ''; 
   my_row_counts_entry     := '';
   my_row_counts_pct_entry := ''; 
  
   -- generate the speed ranges function calls
   OPEN row_counts_text;
   LOOP
 
     FETCH row_counts_text INTO my_row_counts_entry;
 
     EXIT WHEN row_counts_text%NOTFOUND;
     
          OPEN row_counts_pct_text;
        LOOP
 
              FETCH row_counts_pct_text INTO my_row_counts_pct_entry;
 
              EXIT WHEN row_counts_pct_text%NOTFOUND;
     
             my_row_counts_text := my_row_counts_entry || ', ' || my_row_counts_pct_entry;
         
         END LOOP; 
         
        
    
   END LOOP;
   
     CLOSE row_counts_pct_text;
   
   CLOSE row_counts_text;
   
   
 
   RETURN my_row_counts_text;
   
 
 END;
 /

Works fine for me...

SQL > create table t1 (number, number of b).

Table created.

SQL > insert into t1 values (1,1);

1 line of creation.

SQL > commit;

Validation complete.

SQL > CREATE or REPLACE FUNCTION get_row_lane_counts_text
2 RETURN VARCHAR2
3 EAST
4 my_row_counts_text VARCHAR2 (10000);
5 my_row_counts_entry VARCHAR2 (10000);
6 my_row_counts_pct_entry VARCHAR2 (10000);
7 my_row_count_total_text VARCHAR2 (10000);
8 my_total NUMBER (12);
9 my_count_result VARCHAR2 (20);
10
11 row_counts_text of CURSOR IS
12. SELECT one
13 FROM t1;
14
15
16
17 row_counts_pct_text of CURSOR IS
18 SELECT b
19 FROM t1;
20
21
22
23
24
BEGIN 25
26
27
28 my_row_counts_text: = ";
29 my_row_counts_entry: = ";
30 my_row_counts_pct_entry: = ";
31
32
33 generates speed ranges function calls
34 row_counts_text OPEN;
LOOP 35
36
37
38 FETCH row_counts_text INTO my_row_counts_entry;
39
40
EXIT 41 WHEN row_counts_text % NOTFOUND;
42
43
44 row_counts_pct_text OPEN;
45 LOOP
46
47
48 FETCH row_counts_pct_text INTO my_row_counts_pct_entry;
49
50
EXIT 51 WHEN row_counts_pct_text % NOTFOUND;
52
53
54 my_row_counts_text: = my_row_counts_entry | ', ' || my_row_counts_pct_entry;
55
56
57 END LOOP;
58
59
60 row_counts_pct_text CLOSE;
61
LOOP END 62;
63
64
65
66
67
68 row_counts_text CLOSE;
69
70
71
72
73 my_row_counts_text RETURN;
74
75
76
END 77;
78
79.

The function is created.

SQL >

SQL > select get_row_lane_counts_text() from double;

GET_ROW_LANE_COUNTS_TEXT()
--------------------------------------------------------------------------------
1, 1

Tags: Database

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