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Add code to clean duplicate records

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This commit is contained in:
Laurent Destailleur 2014-03-17 20:29:01 +01:00
parent 302bcc2fd5
commit e491a4dce7
1 changed files with 14 additions and 0 deletions
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htdocs/install/mysql/migration/repair.sql
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@ -102,3 +102,17 @@ update llx_opensurvey_sondage set format = 'A' where format = 'A+';
-- ALTER TABLE llx_facture_fourn ALTER COLUMN fk_cond_reglement DROP NOT NULL;
-- Sequence to removed duplicated values of barcode. Use serveral times if you still have duplicate.
create table tmp_product as (select * from llx_product);
select barcode, max(rowid) from tmp_product where barcode is not null group by barcode having count(rowid) >= 2;
update llx_product set barcode = null where barcode is not null and (barcode, rowid) in (select barcode, max(rowid) from tmp_product where barcode is not null group by barcode having count(rowid) >= 2);
drop table tmp_product;
-- Sequence to removed duplicated values of barcode. Use serveral times if you still have duplicate.
create table tmp_societe as (select * from llx_societe);
select barcode, max(rowid) from tmp_societe where barcode is not null group by barcode having count(rowid) >= 2;
update llx_societe set barcode = null where barcode is not null and (barcode, rowid) in (select barcode, max(rowid) from tmp_societe where barcode is not null group by barcode having count(rowid) >= 2);
drop table tmp_societe;