Parameter in select to returns all records.

Post Author: ComputerMike
CA Forum: Crystal Reports
Hi,
I have a "project" parameter I use in my select formula to return records based the project field. I would like to pass a value like "All" or "*" and have all reords returned, to see the records for all the projects. If I pass in "3" I would just get records for project 3. "All" would give me all the projects.
Thanks,
Mike

Post Author: GraemeG
CA Forum: Crystal Reports
Modify your selection formula to something like:
(if {?project} <> "ALL" then {table.project} = {?project}else 1 = 1)
You have to specify an 'else' and the above is a cheat that makes sure everything is selected if 'ALL' is entered. A suggestion - make 'ALL' your parameter default.

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See bellow
explain plan for
select * from movdb.zan_m03 where
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Plan hash value: 1882720105
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Yes the query are the same and correct restriction for where clause are M00AD between 136906 and 137141.
I've pasted, by mistake, another test query
The corrects are:
select M00AF, M00za, m00AC , M00AD from movdb.zan_m03 where
M00AF = TO_DATE('11/01/28','YY/MM/DD') AND
M00za = 10 AND
m00AC = 50 AND
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This use pk index and return one row
select /*+ FULL(zan_m03) */ M00AF, M00za, m00AC , M00AD from movdb.zan_m03 where
M00AF = TO_DATE('11/01/28','YY/MM/DD') AND
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m00AC = 50 AND
M00AD between 136906 and 137141
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I´ve been searching for wrong results bugs on my oracle support, but not found one that mentions something like our issue.
I checked the dba_tables and dba indexes and the number of rows are different, and I think this would be the same because it's is a pk.
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2 /
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228527878
select NUM_ROWS from dba_indexes where index_name = 'PK_ZAN_M03';
SQL> select NUM_ROWS from dba_indexes where index_name = 'PK_ZAN_M03';
NUM_ROWS
217510185
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Thanks in advance
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Cristiano

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Parameter in select to returns all records.

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