Peter M. Groen / knowledgetree

Commit 186f1171a319a0e9f773819ae178f6a7860ba5ab

Authored by conradverm
1 parent 84634b4d

KTS-1533 

"Issues when trying to introduce db constraints during upgrades"
Fixed. Deleting broken references prior to applying constraints.
Reviewed by: Kevin Fourie

git-svn-id: https://kt-dms.svn.sourceforge.net/svnroot/kt-dms/trunk@6204 c91229c3-7414-0410-bfa2-8a42b809f60b
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Showing 1 changed file with 164 additions and 0 deletions
sql/mysql/upgrade/2.99.2/1-constraints.sql
  View file @186f117
1 SET FOREIGN_KEY_CHECKS=0; 1 SET FOREIGN_KEY_CHECKS=0;
2 ALTER TABLE `document_type_fieldsets_link` ADD INDEX `document_type_id` (`document_type_id`); 2 ALTER TABLE `document_type_fieldsets_link` ADD INDEX `document_type_id` (`document_type_id`);
3 ALTER TABLE `document_type_fieldsets_link` ADD INDEX `fieldset_id` (`fieldset_id`); 3 ALTER TABLE `document_type_fieldsets_link` ADD INDEX `fieldset_id` (`fieldset_id`);
  4 +
  5 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  6 +
  7 +DELETE FROM `document_type_fieldsets_link` as dtfl USING `document_type_fieldsets_link` as dtfl, document_types_lookup
  8 + WHERE not exists(select 1 from `document_types_lookup` as dtl where dtfl.document_type_id = dtl.id);
  9 +
4 ALTER TABLE `document_type_fieldsets_link` ADD CONSTRAINT `document_type_fieldsets_link_ibfk_1` FOREIGN KEY (`document_type_id`) REFERENCES `document_types_lookup` (`id`) ON DELETE CASCADE; 10 ALTER TABLE `document_type_fieldsets_link` ADD CONSTRAINT `document_type_fieldsets_link_ibfk_1` FOREIGN KEY (`document_type_id`) REFERENCES `document_types_lookup` (`id`) ON DELETE CASCADE;
  11 +
  12 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  13 +
  14 +DELETE FROM `document_type_fieldsets_link` as dtfl USING `document_type_fieldsets_link` as dtfl, fieldsets
  15 + WHERE not exists(select 1 from `fieldsets` as fs where dtfl.fieldset_id = fs.id);
  16 +
5 ALTER TABLE `document_type_fieldsets_link` ADD CONSTRAINT `document_type_fieldsets_link_ibfk_2` FOREIGN KEY (`fieldset_id`) REFERENCES `fieldsets` (`id`) ON DELETE CASCADE; 17 ALTER TABLE `document_type_fieldsets_link` ADD CONSTRAINT `document_type_fieldsets_link_ibfk_2` FOREIGN KEY (`fieldset_id`) REFERENCES `fieldsets` (`id`) ON DELETE CASCADE;
  18 +
  19 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  20 +
  21 +DELETE FROM `field_orders` as fo USING `field_orders` as fo, document_fields
  22 + WHERE not exists(select 1 from `document_fields` as df where fo.parent_field_id = df.id);
  23 +
6 ALTER TABLE `field_orders` ADD CONSTRAINT `field_orders_ibfk_1` FOREIGN KEY (`parent_field_id`) REFERENCES `document_fields` (`id`) ON DELETE CASCADE; 24 ALTER TABLE `field_orders` ADD CONSTRAINT `field_orders_ibfk_1` FOREIGN KEY (`parent_field_id`) REFERENCES `document_fields` (`id`) ON DELETE CASCADE;
  25 +
  26 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  27 +
  28 +DELETE FROM `field_orders` as fo USING `field_orders` as fo, document_fields
  29 + WHERE not exists(select 1 from `document_fields` as df where fo.child_field_id = df.id);
  30 +
7 ALTER TABLE `field_orders` ADD CONSTRAINT `field_orders_ibfk_2` FOREIGN KEY (`child_field_id`) REFERENCES `document_fields` (`id`) ON DELETE CASCADE; 31 ALTER TABLE `field_orders` ADD CONSTRAINT `field_orders_ibfk_2` FOREIGN KEY (`child_field_id`) REFERENCES `document_fields` (`id`) ON DELETE CASCADE;
  32 +
  33 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  34 +
  35 +DELETE FROM `field_orders` as fo USING `field_orders` as fo, fieldsets
  36 + WHERE not exists(select 1 from `fieldsets` as fs where fo.fieldset_id = fs.id);
  37 +
8 ALTER TABLE `field_orders` ADD CONSTRAINT `field_orders_ibfk_3` FOREIGN KEY (`fieldset_id`) REFERENCES `fieldsets` (`id`) ON DELETE CASCADE; 38 ALTER TABLE `field_orders` ADD CONSTRAINT `field_orders_ibfk_3` FOREIGN KEY (`fieldset_id`) REFERENCES `fieldsets` (`id`) ON DELETE CASCADE;
  39 +
  40 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  41 +
  42 +DELETE FROM `field_value_instances` as fvi USING `field_value_instances` as fvi, metadata_lookup
  43 + WHERE not exists(select 1 from `metadata_lookup` as ml where fvi.field_value_id = ml.id);
  44 +
9 ALTER TABLE `field_value_instances` ADD CONSTRAINT `field_value_instances_ibfk_2` FOREIGN KEY (`field_value_id`) REFERENCES `metadata_lookup` (`id`) ON DELETE CASCADE; 45 ALTER TABLE `field_value_instances` ADD CONSTRAINT `field_value_instances_ibfk_2` FOREIGN KEY (`field_value_id`) REFERENCES `metadata_lookup` (`id`) ON DELETE CASCADE;
  46 +
  47 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  48 +
  49 +DELETE FROM `field_value_instances` as fvi USING `field_value_instances` as fvi, field_behaviours
  50 + WHERE not exists(select 1 from `field_behaviours` as fb where fvi.behaviour_id = fb.id);
  51 +
10 ALTER TABLE `field_value_instances` ADD CONSTRAINT `field_value_instances_ibfk_3` FOREIGN KEY (`behaviour_id`) REFERENCES `field_behaviours` (`id`) ON DELETE CASCADE; 52 ALTER TABLE `field_value_instances` ADD CONSTRAINT `field_value_instances_ibfk_3` FOREIGN KEY (`behaviour_id`) REFERENCES `field_behaviours` (`id`) ON DELETE CASCADE;
  53 +
  54 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  55 +
  56 +DELETE FROM `field_value_instances` as fvi USING `field_value_instances` as fvi, document_fields
  57 + WHERE not exists(select 1 from `document_fields` as df where fvi.field_id = df.id);
  58 +
11 ALTER TABLE `field_value_instances` ADD CONSTRAINT `field_value_instances_ibfk_1` FOREIGN KEY (`field_id`) REFERENCES `document_fields` (`id`) ON DELETE CASCADE; 59 ALTER TABLE `field_value_instances` ADD CONSTRAINT `field_value_instances_ibfk_1` FOREIGN KEY (`field_id`) REFERENCES `document_fields` (`id`) ON DELETE CASCADE;
  60 +
  61 +
12 ALTER TABLE `fieldsets` ADD INDEX `master_field` (`master_field`); 62 ALTER TABLE `fieldsets` ADD INDEX `master_field` (`master_field`);
  63 +
  64 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  65 +
  66 +DELETE FROM `fieldsets` as fs USING `fieldsets` as fs, document_fields
  67 + WHERE not exists(select 1 from `document_fields` as df where fs.master_field = df.id);
  68 +
13 ALTER TABLE `fieldsets` ADD CONSTRAINT `fieldsets_ibfk_1` FOREIGN KEY (`master_field`) REFERENCES `document_fields` (`id`) ON DELETE SET NULL; 69 ALTER TABLE `fieldsets` ADD CONSTRAINT `fieldsets_ibfk_1` FOREIGN KEY (`master_field`) REFERENCES `document_fields` (`id`) ON DELETE SET NULL;
  70 +
14 ALTER TABLE `permission_assignments` ADD INDEX `permission_descriptor_id` (`permission_descriptor_id`); 71 ALTER TABLE `permission_assignments` ADD INDEX `permission_descriptor_id` (`permission_descriptor_id`);
  72 +
  73 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  74 +
  75 +DELETE FROM `permission_assignments` as pa USING `permission_assignments` as pa, permission_descriptors
  76 + WHERE not exists(select 1 from `permission_descriptors` as pd where pa.permission_descriptor_id = pd.id);
  77 +
15 ALTER TABLE `permission_assignments` ADD CONSTRAINT `permission_assignments_ibfk_3` FOREIGN KEY (`permission_descriptor_id`) REFERENCES `permission_descriptors` (`id`) ON DELETE CASCADE; 78 ALTER TABLE `permission_assignments` ADD CONSTRAINT `permission_assignments_ibfk_3` FOREIGN KEY (`permission_descriptor_id`) REFERENCES `permission_descriptors` (`id`) ON DELETE CASCADE;
  79 +
  80 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  81 +
  82 +DELETE FROM `permission_assignments` as pa USING `permission_assignments` as pa, permissions
  83 + WHERE not exists(select 1 from `permissions` as p where pa.permission_id =p.id);
  84 +
16 ALTER TABLE `permission_assignments` ADD CONSTRAINT `permission_assignments_ibfk_1` FOREIGN KEY (`permission_id`) REFERENCES `permissions` (`id`) ON DELETE CASCADE; 85 ALTER TABLE `permission_assignments` ADD CONSTRAINT `permission_assignments_ibfk_1` FOREIGN KEY (`permission_id`) REFERENCES `permissions` (`id`) ON DELETE CASCADE;
  86 +
  87 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  88 +
  89 +DELETE FROM `permission_assignments` as pa USING `permission_assignments` as pa, permission_objects
  90 + WHERE not exists(select 1 from `permission_objects` as po where pa.permission_object_id =po.id);
  91 +
17 ALTER TABLE `permission_assignments` ADD CONSTRAINT `permission_assignments_ibfk_2` FOREIGN KEY (`permission_object_id`) REFERENCES `permission_objects` (`id`) ON DELETE CASCADE; 92 ALTER TABLE `permission_assignments` ADD CONSTRAINT `permission_assignments_ibfk_2` FOREIGN KEY (`permission_object_id`) REFERENCES `permission_objects` (`id`) ON DELETE CASCADE;
  93 +
  94 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  95 +
  96 +DELETE FROM `permission_descriptor_groups` as pdg USING `permission_descriptor_groups` as pdg, permission_descriptors
  97 + WHERE not exists(select 1 from `permission_descriptors` as pd where pdg.descriptor_id =pd.id);
  98 +
18 ALTER TABLE `permission_descriptor_groups` ADD CONSTRAINT `permission_descriptor_groups_ibfk_1` FOREIGN KEY (`descriptor_id`) REFERENCES `permission_descriptors` (`id`) ON DELETE CASCADE; 99 ALTER TABLE `permission_descriptor_groups` ADD CONSTRAINT `permission_descriptor_groups_ibfk_1` FOREIGN KEY (`descriptor_id`) REFERENCES `permission_descriptors` (`id`) ON DELETE CASCADE;
  100 +
  101 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  102 +
  103 +DELETE FROM `permission_descriptor_groups` as pdg USING `permission_descriptor_groups` as pdg, groups_lookup
  104 + WHERE not exists(select 1 from `groups_lookup` as gl where pdg.group_id = gl.id);
  105 +
19 ALTER TABLE `permission_descriptor_groups` ADD CONSTRAINT `permission_descriptor_groups_ibfk_2` FOREIGN KEY (`group_id`) REFERENCES `groups_lookup` (`id`) ON DELETE CASCADE; 106 ALTER TABLE `permission_descriptor_groups` ADD CONSTRAINT `permission_descriptor_groups_ibfk_2` FOREIGN KEY (`group_id`) REFERENCES `groups_lookup` (`id`) ON DELETE CASCADE;
  107 +
20 ALTER TABLE `permission_lookup_assignments` ADD INDEX `permission_descriptor_id` (`permission_descriptor_id`); 108 ALTER TABLE `permission_lookup_assignments` ADD INDEX `permission_descriptor_id` (`permission_descriptor_id`);
  109 +
  110 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  111 +
  112 +DELETE FROM `permission_lookup_assignments` as pla USING `permission_lookup_assignments` as pla, permissions
  113 + WHERE not exists(select 1 from `permissions` as p where pla.permission_id = p.id);
  114 +
21 ALTER TABLE `permission_lookup_assignments` ADD CONSTRAINT `permission_lookup_assignments_ibfk_1` FOREIGN KEY (`permission_id`) REFERENCES `permissions` (`id`) ON DELETE CASCADE; 115 ALTER TABLE `permission_lookup_assignments` ADD CONSTRAINT `permission_lookup_assignments_ibfk_1` FOREIGN KEY (`permission_id`) REFERENCES `permissions` (`id`) ON DELETE CASCADE;
  116 +
  117 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  118 +
  119 +DELETE FROM `permission_lookup_assignments` as pla USING `permission_lookup_assignments` as pla, permission_descriptors
  120 + WHERE not exists(select 1 from `permission_descriptors` as pd where pla.permission_descriptor_id = pd.id);
  121 +
22 ALTER TABLE `permission_lookup_assignments` ADD CONSTRAINT `permission_lookup_assignments_ibfk_3` FOREIGN KEY (`permission_descriptor_id`) REFERENCES `permission_descriptors` (`id`) ON DELETE CASCADE; 122 ALTER TABLE `permission_lookup_assignments` ADD CONSTRAINT `permission_lookup_assignments_ibfk_3` FOREIGN KEY (`permission_descriptor_id`) REFERENCES `permission_descriptors` (`id`) ON DELETE CASCADE;
  123 +
  124 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  125 +
  126 +DELETE FROM `permission_lookup_assignments` as pla USING `permission_lookup_assignments` as pla, permission_lookups
  127 + WHERE not exists(select 1 from `permission_lookups` as pl where pla.permission_lookup_id = pl.id);
  128 +
23 ALTER TABLE `permission_lookup_assignments` ADD CONSTRAINT `permission_lookup_assignments_ibfk_2` FOREIGN KEY (`permission_lookup_id`) REFERENCES `permission_lookups` (`id`) ON DELETE CASCADE; 129 ALTER TABLE `permission_lookup_assignments` ADD CONSTRAINT `permission_lookup_assignments_ibfk_2` FOREIGN KEY (`permission_lookup_id`) REFERENCES `permission_lookups` (`id`) ON DELETE CASCADE;
  130 +
24 ALTER TABLE `workflow_states` ADD INDEX `inform_descriptor_id` (`inform_descriptor_id`); 131 ALTER TABLE `workflow_states` ADD INDEX `inform_descriptor_id` (`inform_descriptor_id`);
  132 +
  133 +
  134 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  135 +
  136 +UPDATE workflow_states
  137 + SET inform_descriptor_id = null
  138 + WHERE not exists(select 1 from `permission_descriptors` as pd where workflow_states.inform_descriptor_id =pd.id);
  139 +
25 ALTER TABLE `workflow_states` ADD CONSTRAINT `workflow_states_ibfk_2` FOREIGN KEY (`inform_descriptor_id`) REFERENCES `permission_descriptors` (`id`) ON DELETE SET NULL; 140 ALTER TABLE `workflow_states` ADD CONSTRAINT `workflow_states_ibfk_2` FOREIGN KEY (`inform_descriptor_id`) REFERENCES `permission_descriptors` (`id`) ON DELETE SET NULL;
  141 +
26 ALTER TABLE `workflow_transitions` ADD INDEX `guard_group_id` (`guard_group_id`); 142 ALTER TABLE `workflow_transitions` ADD INDEX `guard_group_id` (`guard_group_id`);
27 ALTER TABLE `workflow_transitions` ADD INDEX `guard_role_id` (`guard_role_id`); 143 ALTER TABLE `workflow_transitions` ADD INDEX `guard_role_id` (`guard_role_id`);
  144 +
28 ALTER TABLE `workflow_transitions` DROP FOREIGN KEY `workflow_transitions_ibfk_2`; # was FOREIGN KEY (`target_state_id`) REFERENCES `workflow_states` (`id`) 145 ALTER TABLE `workflow_transitions` DROP FOREIGN KEY `workflow_transitions_ibfk_2`; # was FOREIGN KEY (`target_state_id`) REFERENCES `workflow_states` (`id`)
29 ALTER TABLE `workflow_transitions` DROP FOREIGN KEY `workflow_transitions_ibfk_3`; # was FOREIGN KEY (`guard_permission_id`) REFERENCES `permissions` (`id`) 146 ALTER TABLE `workflow_transitions` DROP FOREIGN KEY `workflow_transitions_ibfk_3`; # was FOREIGN KEY (`guard_permission_id`) REFERENCES `permissions` (`id`)
30 ALTER TABLE `workflow_transitions` DROP FOREIGN KEY `workflow_transitions_ibfk_1`; # was FOREIGN KEY (`workflow_id`) REFERENCES `workflows` (`id`) 147 ALTER TABLE `workflow_transitions` DROP FOREIGN KEY `workflow_transitions_ibfk_1`; # was FOREIGN KEY (`workflow_id`) REFERENCES `workflows` (`id`)
31 ALTER TABLE `field_behaviours` DROP FOREIGN KEY `field_behaviours_ibfk_1`; 148 ALTER TABLE `field_behaviours` DROP FOREIGN KEY `field_behaviours_ibfk_1`;
  149 +
  150 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  151 +
  152 +DELETE FROM `field_behaviours` as fb USING `field_behaviours` as fb, document_fields
  153 + WHERE not exists(select 1 from `document_fields` as df where fb.field_id = df.id);
  154 +
32 ALTER TABLE `field_behaviours` ADD CONSTRAINT `field_behaviours_ibfk_1` FOREIGN KEY (`field_id`) REFERENCES `document_fields` (`id`) ON DELETE CASCADE; 155 ALTER TABLE `field_behaviours` ADD CONSTRAINT `field_behaviours_ibfk_1` FOREIGN KEY (`field_id`) REFERENCES `document_fields` (`id`) ON DELETE CASCADE;
  156 +
  157 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  158 +
  159 +UPDATE workflow_transitions
  160 + SET guard_group_id = null
  161 + WHERE not exists(select 1 from `groups_lookup` as gl where workflow_transitions.guard_group_id =gl.id);
  162 +
33 ALTER TABLE `workflow_transitions` ADD CONSTRAINT `workflow_transitions_ibfk_48` FOREIGN KEY (`guard_group_id`) REFERENCES `groups_lookup` (`id`) ON DELETE SET NULL; 163 ALTER TABLE `workflow_transitions` ADD CONSTRAINT `workflow_transitions_ibfk_48` FOREIGN KEY (`guard_group_id`) REFERENCES `groups_lookup` (`id`) ON DELETE SET NULL;
  164 +
  165 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  166 +
  167 +UPDATE workflow_transitions
  168 + SET guard_condition_id = null
  169 + WHERE not exists(select 1 from `saved_searches` as ss where workflow_transitions.guard_condition_id =ss.id);
  170 +
34 ALTER TABLE `workflow_transitions` ADD CONSTRAINT `workflow_transitions_ibfk_50` FOREIGN KEY (`guard_condition_id`) REFERENCES `saved_searches` (`id`) ON DELETE SET NULL; 171 ALTER TABLE `workflow_transitions` ADD CONSTRAINT `workflow_transitions_ibfk_50` FOREIGN KEY (`guard_condition_id`) REFERENCES `saved_searches` (`id`) ON DELETE SET NULL;
  172 +
  173 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  174 +
  175 +DELETE FROM `workflow_transitions` as wt USING `workflow_transitions` as wt, workflow_states
  176 + WHERE not exists(select 1 from `workflow_states` as ws where wt.target_state_id = ws.id);
  177 +
35 ALTER TABLE `workflow_transitions` ADD CONSTRAINT `workflow_transitions_ibfk_46` FOREIGN KEY (`target_state_id`) REFERENCES `workflow_states` (`id`) ON DELETE CASCADE; 178 ALTER TABLE `workflow_transitions` ADD CONSTRAINT `workflow_transitions_ibfk_46` FOREIGN KEY (`target_state_id`) REFERENCES `workflow_states` (`id`) ON DELETE CASCADE;
  179 +
  180 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  181 +
  182 +UPDATE workflow_transitions
  183 + SET guard_permission_id = null
  184 + WHERE not exists(select 1 from `permissions` as p where workflow_transitions.guard_permission_id =p.id);
  185 +
36 ALTER TABLE `workflow_transitions` ADD CONSTRAINT `workflow_transitions_ibfk_47` FOREIGN KEY (`guard_permission_id`) REFERENCES `permissions` (`id`) ON DELETE SET NULL; 186 ALTER TABLE `workflow_transitions` ADD CONSTRAINT `workflow_transitions_ibfk_47` FOREIGN KEY (`guard_permission_id`) REFERENCES `permissions` (`id`) ON DELETE SET NULL;
  187 +
  188 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  189 +
  190 +UPDATE workflow_transitions
  191 + SET guard_role_id = null
  192 + WHERE not exists(select 1 from `roles` as r where workflow_transitions.guard_role_id =r.id);
  193 +
37 ALTER TABLE `workflow_transitions` ADD CONSTRAINT `workflow_transitions_ibfk_49` FOREIGN KEY (`guard_role_id`) REFERENCES `roles` (`id`) ON DELETE SET NULL; 194 ALTER TABLE `workflow_transitions` ADD CONSTRAINT `workflow_transitions_ibfk_49` FOREIGN KEY (`guard_role_id`) REFERENCES `roles` (`id`) ON DELETE SET NULL;
  195 +
  196 +-- CLEAROUT ANY BROKEN RECORDS PRIOR TO ASSIGNING CONSTRAINT
  197 +
  198 +DELETE FROM `workflow_transitions` as wt USING `workflow_transitions` as wt, workflows
  199 + WHERE not exists(select 1 from `workflows` as w where wt.workflow_id = w.id);
  200 +
38 ALTER TABLE `workflow_transitions` ADD CONSTRAINT `workflow_transitions_ibfk_45` FOREIGN KEY (`workflow_id`) REFERENCES `workflows` (`id`) ON DELETE CASCADE; 201 ALTER TABLE `workflow_transitions` ADD CONSTRAINT `workflow_transitions_ibfk_45` FOREIGN KEY (`workflow_id`) REFERENCES `workflows` (`id`) ON DELETE CASCADE;
  202 +
39 SET FOREIGN_KEY_CHECKS=1; 203 SET FOREIGN_KEY_CHECKS=1;