Peter M. Groen / knowledgetree

Commit 6449f3a4ccc4e376a1bc70b8ea4962bcb1dba058

Authored by kevin_fourie
1 parent a29e6ddd

Merged in from DEV trunk... 

KTS-2743
"upgrade functionality needs to apply foreign key constrains."
Implemented.

Committed By: Conrad Vermeulen
Reviewed By: Kevin Fourie

KTS-2743
"upgrade functionality needs to apply foreign key constrains."
Updated. Prevent a clean install having to go through the process of having foreign keys applied again.

Committed By: Conrad Vermeulen
Reviewed By: Kevin Fourie

git-svn-id: https://kt-dms.svn.sourceforge.net/svnroot/kt-dms/STABLE/trunk@7826 c91229c3-7414-0410-bfa2-8a42b809f60b
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Showing 2 changed files with 21 additions and 8 deletions
lib/database/schema.inc.php
  View file @6449f3a
... ... @@ -65,12 +65,6 @@ class KTSchemaUtil
65 65 $this->definePrimaryKeys();
66 66 $this->defineForeignKeys();
67 67 $this->defineOtherIndexes();
68   - $this->_exec('SET FOREIGN_KEY_CHECKS = 0');
69   - }
70   -
71   - public function __destruct()
72   - {
73   - $this->_exec('SET FOREIGN_KEY_CHECKS = 1');
74 68 }
75 69  
76 70 private function createFixUser()
... ... @@ -759,6 +753,13 @@ class KTSchemaUtil
759 753  
760 754 private function fixForeignKey($table, $field, $otherTable, $otherField)
761 755 {
  756 + if ($table == $otherTable)
  757 + {
  758 + $this->_exec("create temporary table tmp_{$table}(id int);");
  759 + $this->_exec("insert into tmp_{$table} select distinct id FROM {$table};");
  760 + $this->_exec("insert into tmp_{$table} select distinct id FROM {$table};");
  761 + $otherTable = "tmp_{$table}";
  762 + }
762 763 if ($otherTable == 'users' && $otherField == 'id')
763 764 {
764 765 $this->createFixUser();
... ... @@ -769,6 +770,11 @@ class KTSchemaUtil
769 770  
770 771 $sql = "DELETE FROM $table WHERE $field is not null and $field not in (select distinct $otherField FROM $otherTable)";
771 772 $this->_exec($sql);
  773 +
  774 + if ($table == $otherTable)
  775 + {
  776 + $this->_exec("drop table tmp_{$table};");
  777 + }
772 778 }
773 779  
774 780 /**
... ...
sql/mysql/install/data.sql
View file @6449f3a
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