text: --
  -- Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH
  -- under one or more contributor license agreements. See the NOTICE file
  -- distributed with this work for additional information regarding copyright
  -- ownership. Camunda licenses this file to you under the Apache License,
  -- Version 2.0; you may not use this file except in compliance with the License.
  -- You may obtain a copy of the License at
  --
  --     http://www.apache.org/licenses/LICENSE-2.0
  --
  -- Unless required by applicable law or agreed to in writing, software
  -- distributed under the License is distributed on an "AS IS" BASIS,
  -- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  -- See the License for the specific language governing permissions and
  -- limitations under the License.
  --
  
  drop index ACT_IDX_BYTEARRAY_ROOT_PI;
  drop index ACT_IDX_BYTEARRAY_RM_TIME;
  drop index ACT_IDX_EXECUTION_ROOT_PI;
  drop index ACT_IDX_EXEC_BUSKEY;
  drop index ACT_IDX_TASK_CREATE;
  drop index ACT_IDX_TASK_ASSIGNEE;
  drop index ACT_IDX_IDENT_LNK_USER;
  drop index ACT_IDX_IDENT_LNK_GROUP;
  drop index ACT_IDX_VARIABLE_TASK_ID;
  drop index ACT_IDX_INC_CONFIGURATION;
  drop index ACT_IDX_JOB_PROCINST;
  drop index ACT_UNIQ_AUTH_USER;
  drop index ACT_UNIQ_AUTH_GROUP;
  drop index ACT_UNIQ_VARIABLE;
  drop index ACT_IDX_AUTH_GROUP_ID;
  
  alter table ACT_GE_BYTEARRAY
      drop foreign key ACT_FK_BYTEARR_DEPL;
  
  alter table ACT_RU_EXECUTION
      drop foreign key ACT_FK_EXE_PROCINST;
  
  alter table ACT_RU_EXECUTION
      drop foreign key ACT_FK_EXE_PARENT;
  
  alter table ACT_RU_EXECUTION
      drop foreign key ACT_FK_EXE_SUPER;
  
  alter table ACT_RU_EXECUTION
      drop foreign key ACT_FK_EXE_PROCDEF;
  
  alter table ACT_RU_IDENTITYLINK
      drop foreign key ACT_FK_TSKASS_TASK;
  
  alter table ACT_RU_IDENTITYLINK
      drop foreign key ACT_FK_ATHRZ_PROCEDEF;
  
  alter table ACT_RU_TASK
  	drop foreign key ACT_FK_TASK_EXE;
  
  alter table ACT_RU_TASK
  	drop foreign key ACT_FK_TASK_PROCINST;
  
  alter table ACT_RU_TASK
  	drop foreign key ACT_FK_TASK_PROCDEF;
  
  alter table ACT_RU_VARIABLE
      drop foreign key ACT_FK_VAR_EXE;
  
  alter table ACT_RU_VARIABLE
  	drop foreign key ACT_FK_VAR_PROCINST;
  
  alter table ACT_RU_VARIABLE
      drop foreign key ACT_FK_VAR_BYTEARRAY;
  
  alter table ACT_RU_JOB
      drop foreign key ACT_FK_JOB_EXCEPTION;
  
  alter table ACT_RU_EVENT_SUBSCR
      drop foreign key ACT_FK_EVENT_EXEC;
  
  alter table ACT_RU_INCIDENT
      drop foreign key ACT_FK_INC_EXE;
  
  alter table ACT_RU_INCIDENT
      drop foreign key ACT_FK_INC_PROCINST;
  
  alter table ACT_RU_INCIDENT
      drop foreign key ACT_FK_INC_PROCDEF;
  
  alter table ACT_RU_INCIDENT
      drop foreign key ACT_FK_INC_CAUSE;
  
  alter table ACT_RU_INCIDENT
      drop foreign key ACT_FK_INC_RCAUSE;
  
  alter table ACT_RU_INCIDENT
      drop foreign key ACT_FK_INC_JOB_DEF;
  
  alter table ACT_RU_EXT_TASK
      drop foreign key ACT_FK_EXT_TASK_EXE;
  
  alter table ACT_RU_BATCH
      drop foreign key ACT_FK_BATCH_SEED_JOB_DEF;
  
  alter table ACT_RU_BATCH
      drop foreign key ACT_FK_BATCH_MONITOR_JOB_DEF;
  
  alter table ACT_RU_BATCH
      drop foreign key ACT_FK_BATCH_JOB_DEF;
  
  alter table ACT_RU_EXT_TASK
      drop foreign key ACT_FK_EXT_TASK_ERROR_DETAILS;
  
  drop index ACT_IDX_EVENT_SUBSCR_CONFIG_;
  drop index ACT_IDX_ATHRZ_PROCEDEF;
  
  -- indexes for concurrency problems - https://app.camunda.com/jira/browse/CAM-1646 --
  drop index ACT_IDX_EXECUTION_PROC;
  drop index ACT_IDX_EXECUTION_PARENT;
  drop index ACT_IDX_EXECUTION_SUPER;
  drop index ACT_IDX_EXECUTION_PROCINST;
  drop index ACT_IDX_EVENT_SUBSCR_EXEC;
  drop index ACT_IDX_BA_DEPLOYMENT;
  drop index ACT_IDX_IDENT_LNK_TASK;
  drop index ACT_IDX_INCIDENT_EXEC;
  drop index ACT_IDX_INCIDENT_PROCINST;
  drop index ACT_IDX_INCIDENT_PROC_DEF_ID;
  drop index ACT_IDX_INCIDENT_CAUSE;
  drop index ACT_IDX_INCIDENT_ROOT_CAUSE;
  drop index ACT_IDX_INCIDENT_JOB_DEF;
  drop index ACT_IDX_JOB_EXCEPTION_STACK;
  drop index ACT_IDX_VARIABLE_BA;
  drop index ACT_IDX_VARIABLE_EXEC;
  drop index ACT_IDX_VARIABLE_PROCINST;
  drop index ACT_IDX_TASK_EXEC;
  drop index ACT_IDX_TASK_PROCINST;
  drop index ACT_IDX_TASK_PROC_DEF_ID;
  
  -- new metric milliseconds column
  DROP INDEX ACT_IDX_METER_LOG_MS;
  DROP INDEX ACT_IDX_METER_LOG_NAME_MS;
  DROP INDEX ACT_IDX_METER_LOG_REPORT;
  
  -- old metric timestamp column
  DROP INDEX ACT_IDX_METER_LOG_TIME;
  DROP INDEX ACT_IDX_METER_LOG;
  
  drop index ACT_IDX_AUTH_RESOURCE_ID;
  drop index ACT_IDX_EXT_TASK_TOPIC;
  drop index ACT_IDX_EXT_TASK_EXEC;
  
  drop index ACT_IDX_BYTEARRAY_NAME;
  drop index ACT_IDX_DEPLOYMENT_NAME;
  drop index ACT_IDX_JOBDEF_PROC_DEF_ID;
  drop index ACT_IDX_JOB_HANDLER_TYPE;
  drop index ACT_IDX_EVENT_SUBSCR_EVT_NAME;
  drop index ACT_IDX_PROCDEF_DEPLOYMENT_ID;
  
  drop index ACT_IDX_EXT_TASK_TENANT_ID;
  drop index ACT_IDX_EXT_TASK_PRIORITY;
  drop index ACT_IDX_EXT_TASK_ERR_DETAILS;
  drop index ACT_IDX_INC_TENANT_ID;
  drop index ACT_IDX_JOBDEF_TENANT_ID;
  drop index ACT_IDX_JOB_TENANT_ID;
  drop index ACT_IDX_EVENT_SUBSCR_TENANT_ID;
  drop index ACT_IDX_VARIABLE_TENANT_ID;
  drop index ACT_IDX_TASK_TENANT_ID;
  drop index ACT_IDX_EXEC_TENANT_ID;
  drop index ACT_IDX_PROCDEF_TENANT_ID;
  drop index ACT_IDX_DEPLOYMENT_TENANT_ID;
  
  drop index ACT_IDX_JOB_JOB_DEF_ID;
  drop index ACT_IDX_BATCH_SEED_JOB_DEF;
  drop index ACT_IDX_BATCH_MONITOR_JOB_DEF;
  drop index ACT_IDX_BATCH_JOB_DEF;
  
  drop index ACT_IDX_PROCDEF_VER_TAG;
  
  drop index ACT_IDX_JOB_EXECUTION_ID;
  
  drop index ACT_IDX_AUTH_ROOT_PI;
  drop index ACT_IDX_AUTH_RM_TIME;
  
  drop table ACT_GE_PROPERTY;
  drop table ACT_GE_BYTEARRAY;
  drop table ACT_RE_DEPLOYMENT;
  drop table ACT_RE_PROCDEF;
  drop table ACT_RU_VARIABLE;
  drop table ACT_RU_IDENTITYLINK;
  drop table ACT_RU_TASK;
  drop table ACT_RU_EXECUTION;
  drop table ACT_RU_JOB;
  drop table ACT_RU_JOBDEF;
  drop table ACT_RU_EVENT_SUBSCR;
  drop table ACT_RU_INCIDENT;
  drop table ACT_RU_AUTHORIZATION;
  drop table ACT_RU_FILTER;
  drop table ACT_RU_METER_LOG;
  drop table ACT_RU_EXT_TASK;
  drop table ACT_RU_BATCH;
  drop table ACT_GE_SCHEMA_LOG;
  