UNION ALL in COLLECTION in BULK

My code is like this:

SELECT COL_NAME, COUNT BULK COLLECT INTO v_collections FROM
(
SELECT 'PROD_NAME' COL_NAME, COUNT(*) COUNT FROM TEST_TABLE
WHERE LENGTH(PROD_NAME)>50  
UNION ALL
SELECT 'PROD_DESC' COL_NAME, COUNT(*) COUNT FROM TEST_TABLE
WHERE PROD_DESC IS NULL
.
.
.
..10 MORE UNION ALL
);
{code}

--does it lead to one context switch or multiple one for each select in the union all
--I do want to capture # of errors for each column 
--although the code runs very fast, still I am worried that it may not be a good coding practice.
--is there any better way to do this?
--TEST_TABLE has 1 million records

Thanks,
RN

>
-causes change of context or more for each selection in the union all the
>
A single switch since the entire SQL (i.e. all queries combined set) is sent.
>
is there a better way to do it?
>
It depends on. What you do with the data you are interviewing?
The best way is to use SQL instead of PL/SQL whenever possible. But since we do not know what everything you do has no way to help us.

Tags: Database

Similar Questions

Collect in bulk does not print the results in the table
Then the PL/SQL block below do not load and print whatever it is:

-Database 11 g:
declare
Type (vr_Rec) is rendered
DESCRIPTION VARCHAR2 (100)
QTDE NUMBER (2));
Type vt_Rec index vr_Rec table of Pls_Integer;
va_rec vt_Rec;

vc_Cursor SYS_REFCURSOR;

Start
Vc_Cursor open for 'SELECT "x" DESCRIPTION, 1 QTDE FROM DUAL UNION ALL' |
"SELECT the"y"DESCRIPTION, 2 QTDE FROM DUAL;
Loop
Get the vc_Cursor collect in bulk va_rec limit 20000;
When the output va_rec. Count = 0;
End loop;
Close Vc_Cursor;

If va_rec > 0 Then Count.
For / * everything * / i in va_rec. first... va_rec. last loop
dbms_output.put_line (va_rec (i). DESCRIPTION | ' - ' || va_rec (i). QTDE);
End loop;
End If;
end;
lucitah wrote:
Then the PL/SQL block below do not load and print whatever it is:

Yes, this isn't. Look at the code. Each extraction replaces data read by the previous fetch. And since he finished when va_rec. Count = 0, we are left with empty va_rec. You need something like:
```
declare
Type vr_Rec Is Record (
DESCRICAO VARCHAR2(100)
, QTDE NUMBER(2) );
Type vt_Rec Is table of vr_Rec Index By Pls_Integer;
va_rec vt_Rec;

vc_Cursor SYS_REFCURSOR;

begin
Open vc_Cursor For 'SELECT ''x'' DESCRICAO, 1 QTDE FROM DUAL UNION ALL '||
'SELECT ''y'' DESCRICAO, 2 QTDE FROM DUAL';
Loop
Fetch vc_Cursor Bulk Collect Into va_rec Limit 20000;
Exit When va_rec.Count = 0;
For i In va_rec.First..va_rec.Last Loop
dbms_output.put_line( va_rec(i).DESCRICAO || ' - ' || va_rec(i).QTDE );
End Loop;
End Loop;
Close vc_Cursor;
```
SY.

Collect in bulk

Hi all
I want to pick only 10 records at a time. It is extracted all 14 records why? I need only 10 records, if I had no please let me help.
DECLARE
    CURSOR emp_cur IS
      SELECT empno,
             ename ,
             job
      FROM   emp;
    TYPE emp_no_type   IS TABLE OF emp. EmpNo % TYPE ;
    TYPE emp_name_type IS TABLE OF emp. Ename % TYPE ;
    TYPE job_name_type IS TABLE OF emp. job % TYPE ;
emp_no_tab EMP_NO_TYPE
emp_name_tab EMP_NAME_TYPE
job_name_tab JOB_NAME_TYPE
    v_limit      PLS_INTEGER := 10;
START
    OPEN emp_cur;
    LOOP
-Get 10 rows at a time
        FETCH emp_cur bulk collect INTO emp_no_tab, emp_name_tab, job_name_tab
        limit
        v_limit ;
        EXIT WHEN emp_no_tab. County = 0;
        FOR i IN emp_no_tab. first .. emp_no_tab . last LOOP
            dbms_output . Put_line ('Emp Number: ' || Emp_no_tab (i) );
            dbms_output . Put_line ('Emp Name: ' || Emp_name_tab (i) );
            dbms_output . Put_line ('Emp Job: ' || Job_name_tab (i) );
        END LOOP;
    END LOOP;
    CLOSE emp_cur;
END ;

Thank U

994122 wrote:

Thank you..

Ensure?

What happens when the EMP table contains 24 ranks?

Do not rely on the attributes of the cursor with bulk collect (PL/SQL practices: COLLECT in BULK)

Just drag the outer loop, (because what you want to do, it's to combat by setting the limit only) and the exit condition:

OPEN emp_cur;

-LOOP

-Go get 10 lines at a time

Collect the FETCH emp_cur in bulk IN emp_no_tab, emp_name_tab, job_name_tab

limit

v_limit;

-EXIT WHEN emp_no_tab.count = 0;

I'm IN emp_no_tab.first... emp_no_tab. Last LOOP

dbms_output. Put_line ('Emp number: ' |) Emp_no_tab (i));

dbms_output. Put_line (' Name of Emp: ' |) Emp_name_tab (i));

dbms_output. Put_line ('Emp Job: ' |) Job_name_tab (i));

END LOOP;

-END LOOP;

CLOSE Emp_cur;

Question collect in bulk
Dear all,

I try to use bulk collect for one of my requirements. I defined a procedure and using bulk collect inside.

The procedure is the compilation of the warnings.

The error message is "PLS-00487: invalid reference to the variable 'I'".

Here is the procedure I use.
----------------------------------
CREATE OR REPLACE procedure APPS.XXX_MRP_PAY4 (RETCODE OUT VARCHAR2,
ERRBUF OUT VARCHAR2
-P_SERVICE_CALC_DATE IN DATE,
-P_VARIABLE IN NUMBERS
)
is
-L_VARIABLE NUMBER: = P_VARIABLE;
cursor c1 is
SELECT
EMPLOYEE_NUMBER
FULL_NAME
OF XX_MRP_SALARY_BREAKUP SB,
sit_date sd
where = SB.employee_number sd.emp_num (+);

TYPE MRP_RESULTS IS TABLE OF c1% ROWTYPE INDEX BY PLS_INTEGER;
MRP MRP_RESULTS;

CLOB L_TEXT;

Start

FND_FILE.put_line (FND_FILE.output, 'EMPLOYEE_NUMBER' |) CHR (9) | "FULL_NAME");
-I'm looping C1
OPEN c1;
LOOP
FETCH c1
BULK COLLECT INTO MRP LIMIT 1500;
WHEN THE MRP OUTPUT. COUNT = 0;
because me in 1... MRP. COUNTY
loop
L_TEXT: = I.EMPLOYEE_NUMBER | Chr (9) | I.FULL_NAME;

FND_FILE.put_line (FND_FILE.output, L_TEXT);
end loop;
END LOOP;
CLOSE c1;
end XXX_MRP_PAY4;

-------------------------------

You kindly could guide me on this plss
Seems you placed a CURSOR for... LOOP in a COLLECTION in BULK.

The variable 'i' used to be a record, but now it's a number.

Suspect you want...
```
l_text := mrp (i).employee_number || CHR (9) || mrp (i).full_name;
```

Ask. UNION ALL on two tables of dummy data

I had a bit of SQL that joined a dynamic no cross table with another table of dummy data.

WITH tbl_job_data AS (SELECT 'N' argument1, 'Y' argument2, NULL argument3, 'Y' argument4 FROM DUAL)
   , tbl_params   AS (SELECT 1 col_seq, 'From Project Number' col_prompt, NULL col_data, NULL col_attrib FROM DUAL UNION ALL
                      SELECT 2 col_seq, 'To Project Number'   col_prompt, NULL col_data, NULL col_attrib FROM DUAL UNION ALL
                      SELECT 3 col_seq, 'Through Date'        col_prompt, NULL col_data, NULL col_attrib FROM DUAL UNION ALL
                      SELECT 4 col_seq, 'Summarize Cost'      col_prompt, NULL col_data, NULL col_attrib FROM DUAL)
    SELECT  NULL AS col_seq
          , NULL AS col_prompt
          , d.col_data
          , d.col_attrib
    FROM    tbl_job_data
    UNPIVOT INCLUDE NULLS
                (col_attrib
            FOR  col_data  IN (argument1
                             , argument2
                             , argument3
                             , argument4)
                ) d
    UNION ALL
    SELECT  tbl_params.col_seq
          , tbl_params.col_prompt
          , tbl_params.col_data
          , tbl_params.col_attrib
    FROM    tbl_params;


   COL_SEQ COL_PROMPT          COL_DATA  COL_ATTRIB
---------- ------------------- --------- ----------
                               ARGUMENT1 N       
                               ARGUMENT2 Y       
                               ARGUMENT3         
                               ARGUMENT4 Y       
         1 From Project Number                   
         2 To Project Number                     
         3 Through Date                          
         4 Summarize Cost                       

8 rows selected.

Sorry to be very naïve and ignorant, but is be possible that I can get the output in 4 lines like that, by a union on 2 statements:

   COL_SEQ COL_PROMPT          COL_DATA  COL_ATTRIB
---------- ------------------- --------- ----------
         1 From Project Number ARGUMENT1 N       
         2 To Project Number   ARGUMENT2 Y       
         3 Through Date        ARGUMENT3         
         4 Summarize Cost      ARGUMENT4 Y

I guess not, because the 2 tables don't really have a lot in common with them, but I thought I'd ask.

Thank you

Previously, contributed to these requests by Frank Kulash

https://community.Oracle.com/thread/3810284 et https://community.Oracle.com/message/13361473

WITH

tbl_job_data AS

(SELECT "n" argument1, argument2 'Y', NULL argument3, 'Y' argument4)

OF THE DOUBLE

tbl_params AS

(SELECT 1 col_seq, number 'of the project"col_prompt, col_data, NULL, NULL col_attrib OF DOUBLE UNION ALL)

SELECT 2 col_seq, col_prompt 'for the project number", NULL, col_data, NULL col_attrib OF DOUBLE UNION ALL

SELECT 3 col_seq, col_prompt 'Date', NULL, col_data, NULL col_attrib OF DOUBLE UNION ALL

SELECT 4 col_seq, col_prompt "summarizes the cost", NULL, col_data, NULL FROM DUAL col_attrib

)

Select y.*, x.*

from (SELECT on col_seq (d.col_data control) row_number()

NULL AS col_prompt

d.col_data

d.col_attrib

OF tbl_job_data

MUST INCLUDE NULL VALUES

(col_attrib

FOR col_data IN (argument1

argument2

argument3

argument4)

) d

) x,.

(SELECT tbl_params.col_seq

tbl_params.col_prompt

tbl_params.col_data

tbl_params.col_attrib

OF tbl_params

) y

where x.col_seq = y.col_seq

COL_SEQ	COL_PROMPT	COL_DATA	COL_ATTRIB	COL_SEQ	COL_PROMPT	COL_DATA	COL_ATTRIB
1	Project number	-	-	1	-	ARGUMENT1	N
2	For the project number	-	-	2	-	ARGUMENT2	THERE
3	By Date	-	-	3	-	ARGUMENT3	-
4	Summarize the cost	-	-	4	-	ARGUMENT4	THERE

Concerning

Etbin

How to filter records in a UNION ALL query

Hi all
I have only one requirement to filter records in a query UNION all. If we do not all matching records to one of the union, all question them.
```
create table test_1(n1 number,n2 number,n3 number)

insert into test_1 values(1,2,3);
insert into test_1 values(11,22,33);
insert into test_1 values(55,66,77);

Case-1 :

SELECT N1,N2,N3
FROM TEST_1
WHERE N2=2
UNION ALL
SELECT N1,N2,N3
FROM TEST_1
WHERE N3=3

Output is : This is desired output(so we are good)

1,2,3
1,2,3

Case 2 :

SELECT N1,N2,N3
FROM TEST_1
WHERE N2=22
UNION ALL
SELECT N1,N2,N3
FROM TEST_1
WHERE N3=44

Output : (Here is the problem: If we don't have matching records for anyone union all query we don't want any records)

Output is coming : 11,22,33

Out put : No Records (We want this output.)
```
I hope I have given the clear example of my requirement.
Thank you.

with

test_1 as

(select 1 n1, n2 2, n3 3 of all the double union)

Select 11,22,33 from all the double union

Select double 55,66,77

)

Select the n1, n2, n3

from (select n1, n2, n3

of test_1

where n2 =: n2

Union of all the

Select the n1, n2, n3

of test_1

where = n3: n3

)

where exists (select null from test_1 where n2 =: n2)

and it exists (select null from test_1 where = n3: n3)

Concerning

Etbin

Why UNION ALL allows no column names only when a literal is used and there is at least 3 parts of the query?

An artificial union all:

SQL> SELECT Dummy FROM Dual ORDER BY Dummy;

D
-
X

SQL> SELECT Dummy FROM Dual UNION ALL SELECT Dummy FROM Dual ORDER BY Dummy;

D
-
X
X

SQL> SELECT Dummy FROM Dual UNION ALL SELECT Dummy FROM Dual UNION ALL SELECT Dummy FROM Dual ORDER BY Dummy;

D
-
X
X
X

It literally changes it:

SQL> SELECT NULL A FROM Dual ORDER BY A;

A
-


SQL> SELECT NULL A FROM Dual UNION ALL SELECT NULL FROM Dual ORDER BY A;

A
-



SQL> SELECT NULL A FROM Dual UNION ALL SELECT NULL FROM Dual UNION ALL SELECT NULL FROM Dual ORDER BY A;
SELECT NULL A FROM Dual UNION ALL SELECT NULL FROM Dual UNION ALL SELECT NULL FROM Dual ORDER BY A
                                                                                                 *
ERROR at line 1:
ORA-00904: "A": invalid identifier


SQL> SELECT NULL A FROM Dual UNION ALL SELECT NULL FROM Dual UNION ALL SELECT NULL FROM Dual ORDER BY 1;

A
-

Why 3 is the magic number?

My friend, this is what I would call a "bug".

However, my opinion doesn't matter, because I do not work for Oracle

You opened a SR with Oracle?

Union all with addistional field

Hello
Maybe this is a stupid question.
I have two tables with 22 columns.
Another table with 23 columns
I want to combine these two tables using union all.
In the first picture, I want back "NA" as the last field.
In the second table, last column is varchar2.
Instead of every column one by one and if I use select * in two queries and add "NA" to one?
I want the union two queries can order and use it with the clause to retrieve values based on conditions somany.
So I have to specify the names of column three times.
I use oracle 10g

Hello Krishna,

Try
```
select t1.*, 'NA' as  from table1 t1
union
select t2.* from table2 t2;
```
concerning

Kay

Please help me with the Alternative of queries to replace the UNION ALL for two queries

Hi all
I have the query to retrieve assets employees salary count and in so far as below:
Select ename, emp_no, sum (sal_till_2010), sum (sal_till_2014) of
(select emp_no, ename, salary as sal_till_2010, 0 as sal_till_2014 of employee e1
where effective_date < = 1 January 2010 ' and not exists (select 1 from e2 employee_deletion where e2.emp_no = e1.emp_no and e2.deletion_date < = January 1, 2010 "")
UNION ALL
Select ename, emp_no, 0 as sal_till_2010, salary as employee e1 sal_till_2014 - here is a dummy 0 salary until 2010 for the union of all the
where effective_date < = 1 January 2014 "and not exists (select 1 from e2 employee_deletion where e2.emp_no = e1.emp_no and e2.deletion_date < = 1 January 2014") "
Group of emp_no, ename;
In this query, I get the total salary until 2010 and until 2014 in the employee table, dates are dynamically passed to the procedure, and this can change.
But assume the date above and let me know the alternative of queries to improve performance because I use Union ALL and read the same table twice in the above query.
Advice me with request to read the table once to fetch the same data as the above query.
Thanks in advance.

Hello

Thanks for the display of the data of the sample; It's very useful!

I think OP wants something like this:

WITH cutoff_dates AS

(

SELECT TO_DATE (January 1, 2010 ', ' DD/MM/YYYY') AS cutoff_date, 2010 UNDER the label OF dual UNION ALL

SELECT TO_DATE (1 January 2014 ', "DD/MM/YYYY"), double 2014

)

SELECT e.emp_no, e.ename

, NVL (SUM (CASE WHEN c.label = 2010 THEN e.salary END), 0) AS sal_till_2010

, NVL (SUM (CASE WHEN c.label = 2014 THEN e.salary END), 0) AS sal_till_2014

E employee

JOIN cutoff_dates c ON e.effective_date<=>

WHERE DOES NOT EXIST)

SELECT 1

Of employee_deletion ed

WHERE ed.emp_no = e.emp_no

AND ed.deletion_date<=>

)

E.emp_no GROUP, e.ename

ORDER BY e.emp_no

;

Output of your sample data:

EMP_NO ENAME SAL_TILL_2010 SAL_TILL_2014

---------- ------ ------------- -------------

1 Mickey 450 0

2 Donald 750 0

What better union all or create a separate slider

Hi gurus
I wonder if someone can help out me of this union is a good option, or create a separate slider for each union all is a good option. Which is preferable? Thanks in advance
Concerning
Shu

You can use Union all instead of opening cursor much time to record the line and your code in the treatment of the sliders, exceptions.

So it would be better to consider all the data at once and even within a single processing loop.

Kind regards

Prashant da Silva

LR mobile is not synchronize all my collections

Lightroom is not syncing all the collections that have the sync mode. What is strange is that throughout the time that they have been synchronized and now the collection is here and no pictures in them. I even made new collections and moved the pictures in them and they either sync. I just reinstalled the app hoping it would work, but the collections are still empty. This affects only some collections. other collections appear fine and photos I add appear them immediately. any thoughts on what I can do?

Hi willowtreestudio\

Can you find the Collections you synchronize here Adobe Photoshop Lightroom (log in with your Adobe ID)

In addition,

That you initially imported these photos from your mobile phone or computer?

Could you make sure missing images in the Collections are actually not missing on the Lightroom Catalog(on your Computer).

Lack of photos will show you "!" sign on the top right of the thumbnail image.

If so Adobe Photoshop Lightroom help | Locate missing photos

Another way to check all the missing images in your catalog:-in the library Module > library (from the menu bar) > 'find all missing Photos.

Also what version of Lightroom and what operating system your computer have?

Concerning

~ Assani

Upgrade to v6 LR - lack of all THE collections (regular and smart)

Had a computer crash, reinstalled CC (had to Lr 6 CC).
Now, after 7 months of work upgrading is LITERALLY since each collection, we've created is now gone.

Is it possible to find and export a catalog Lr 5 collections in Lr CC?
NOTE: We are sports photographers and have more 140 000 images that have been sorted by team, player, sport and activity in different collections. All of these collections have been vital to our ability to sell images to customers... and some clients NOW expect their images.

It will take weeks or even months to recreate all the collections again.

Well... thank you all to check the catalog that I gave you.

I went through and looked at the structures of directories on disks and backup drives use.
Back up important files, folders, catalogues...
Then ran 5.7.1 and CC
By report...

It looks like to---> I<--- was="" the="">

There was a double set of folders a level to the top of the catalog of work
D:/images/2015Sports (double)

I'm not entirely sure why they are there in /Pictures/ because the backups are in the below sub directory structure and I put all working catalog directories in 'Lightroom' is a unique place for backup/archiving).

D:/pictures/Lightroom/2015Sports (location of the catalog of work)

In most cases, I want to say that I really care... but it seems in this case that I was not.
Thanks to you all! (it seems that the case of the missing collections has been resolved... and that is the collector who did in the office). :-\

UNION and UNION ALL giving multiple result sets even if INTERSECT does not lines.

Hello
I have a set of two queries. I used the UNION to join the result set. When I used UNION ALL, I get a different result set.
BT when I use INTERSECT, I m not getting all the lines.
SO, which I guess is, as operation INTERSECT isn't Govind all the lines, then the UNION and UNION ALL of the result sets must be simliar.
But I m getting different result sets.
Please guide me.
Thank you.

Hello

UNION returns separate lines; UNION ALL returns all rows that produce queries.

INTERSECT has nothing to do with it. You can have the lines in a single query. For example

Job SELECTION

FROM scott.emp

UNION - ALL THE

SELECT 'FUBAR '.

DOUBLE;

In this example, there is no overlap between the 2 queries (INTERSECT would have 0 rows).

UNION produces 6 lines, because the query at the top of the page produces 5 distinct lines (of 14 total ranks) and the background query 1.

UNION ALL product lines 15: 14 of the request from top and 1 of the request from the lower part.

I hope that answers your question.

If not, post a test script (if necessary) and complete, including some UNION, UNION ALL queries INTERSECT. Post of the CREATE TABLE and INSERT statements for all tables using those queries (with the exception of the commonly available rtables, such as those of the scott schema) and a specific question, such as "the UNION query all product...» I expect the UNION query to produce... because... but instead, it produces... Why is this? It seems contractict... manual which says that... ».

Concat Union all 3 rows

Hi all

Please I need help with th following question:

WITH some_data LIKE)

SELECT "CNDMNL75P65L736C" FC, "cp" cr, 0 as I1, 1 as I2, I3 OF double 0

UNION ALL

SELECT "PNZGCM74M24L736C", "cp" cr, 5, 0, 0 DOUBLE

UNION ALL

SELECT "," cp, '1', 675,0, 0 DOUBLE cr

UNION ALL

SELECT ", '027113850273' cp," cr, 0, 32, double 0

UNION ALL

SELECT ", '12298850273' cp," cr, 2, 0, 0 DOUBLE

UNION ALL

SELECT ", '35798850273' cp," cr, 0, 12, double 0

UNION ALL

SELECT ", '627771888273' cp," cr, 10, 2, 0 DOUBLE

UNION ALL

SELECT "XDZGCM74M22L736C", "cp" cr, 15, 0, 10 DOUBLE

)

Select * from some_data;

FC	CP	CR	I1 I2 I3
CNDMNL75P65L736C		0 1 0
PNZGCM74M24L736C		5 0 0
			1	675 0 0
	027113850273	0 32 0
	12298850273	2 0 0
	35798850273	0 12 0
	627771888273	10 2 0
XDZGCM74M22L736C		15 0 10

How can I get a something as; (Only) one record for every 3 rows, like this

CNDMNL75P65L736C            0    1    0PNZGCM74M24L736C            5    0    0        1    675    0    0 (first 3 rows)
     027113850273        0    32  0    12298850273        2    0    0    35798850273        0    12    0      (next 3 rows, ) 
     627771888273        10    2   0 XDZGCM74M22L736C            15    0    10                         (and so on )

Thanks in advance

For the 11g version:

WITH some_data AS (
  SELECT 'CNDMNL75P65L736C' cf,'' cp ,'' cr, 0 as I1, 1 as I2, 0 as I3 FROM dual
  UNION ALL
  SELECT 'PNZGCM74M24L736C' ,'' cp ,'' cr, 5, 0, 0 FROM dual
  UNION ALL
  SELECT '' , '' cp ,'1' cr, 675,0, 0 FROM dual
  UNION ALL
  SELECT '' , '027113850273' cp ,'' cr, 0 ,32, 0 FROM dual
  UNION ALL
  SELECT '' , '12298850273' cp ,'' cr, 2, 0 ,0 FROM dual
  UNION ALL
  SELECT '' , '35798850273' cp ,'' cr, 0, 12 ,0 FROM dual
  UNION ALL
  SELECT '' , '627771888273' cp ,'' cr, 10, 2 ,0 FROM dual
  UNION ALL
  SELECT 'XDZGCM74M22L736C' ,'' cp ,'' cr, 15, 0, 10 FROM dual
)
select * from (
select a.*, mod(rownum-1,3)+1 rn, ceil(rownum/3) grp from some_data a
)
pivot(max(cf) cf, max(cp) cp, max(cr) cr, max(i1) i1, max(i2) i2, max(i3) i3
for rn in (1 a,2 b,3 c));

GRP	A_CF	A_CP	A_I1	A_I2	B_CF	B_CP	B_I1	B_I3	C_CP	C_CR	C_I1	C_I2	C_I3
1	CNDMNL75P65L736C		0	1	PNZGCM74M24L736C		5	0		1	675	0	0
2		027113850273	0	32		12298850273	2	0	35798850273		0	12	0
3		627771888273	10	2	XDZGCM74M22L736C		15	10

For the 12 c version:

WITH some_data AS (
  SELECT 'CNDMNL75P65L736C' cf,'' cp ,'' cr, 0 as I1, 1 as I2, 0 as I3 FROM dual
  UNION ALL
  SELECT 'PNZGCM74M24L736C' ,'' cp ,'' cr, 5, 0, 0 FROM dual
  UNION ALL
  SELECT '' , '' cp ,'1' cr, 675,0, 0 FROM dual
  UNION ALL
  SELECT '' , '027113850273' cp ,'' cr, 0 ,32, 0 FROM dual
  UNION ALL
  SELECT '' , '12298850273' cp ,'' cr, 2, 0 ,0 FROM dual
  UNION ALL
  SELECT '' , '35798850273' cp ,'' cr, 0, 12 ,0 FROM dual
  UNION ALL
  SELECT '' , '627771888273' cp ,'' cr, 10, 2 ,0 FROM dual
  UNION ALL
  SELECT 'XDZGCM74M22L736C' ,'' cp ,'' cr, 15, 0, 10 FROM dual
)
select * from some_data
match_recognize(
  measures a.cf acf, a.cp acp, a.cr acr, a.i1 ai1, a.i2 ai2, a.i3 ai3,
           b.cf bcf, b.cp bcp, b.cr bcr, b.i1 bi1, b.i2 bi2, b.i3 bi3,
           c.cf ccf, c.cp ccp, c.cr ccr, c.i1 ci1, c.i2 ci2, c.i3 ci3
  pattern (a b{0,1} c{0,1})
  define a as 1=1, b as 1=1, c as 1=1
);

ACF	ACP	AI1	AI2	BCF	BCP	BI1	BI3	CCP	CCR	CI1	CI2	CI3
CNDMNL75P65L736C		0	1	PNZGCM74M24L736C		5	0		1	675	0	0
	027113850273	0	32		12298850273	2	0	35798850273		0	12	0
	627771888273	10	2	XDZGCM74M22L736C		15	10

I bought a new computer, installed LR5 and import photos from a remote hard drive. Photos is finer, but all my Collections disappeared. Is there a way to retrieve my Collections?

I bought a new computer, installed LR5 and import photos from a remote hard drive. Photos is finer, but all my Collections disappeared. Is there a way to retrieve my Collections?

The Collections are stored in the LR catalog. If you had previously copied to your catalog on the other computer to the new all your collections would have been there.

Now that you have the images on the new computer, 'IF', they were placed in the same folder structure (IE even the folder names and locations) then copy through the original catalogue "should" include your collections. If they are in the names of different folder or on a different drive letter or name of the player, then you might be able to use the feature to locate Images to find them.

UNION ALL in COLLECTION in BULK

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