| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960 | execute java org.activiti.engine.impl.db.upgrade.DbUpgradeStep52To53InsertPropertyHistoryLevel-- removing not null constraint from ACT_HI_DETAIL.PROC_INST_ID_ and ACT_HI_DETAIL.EXECUTION_ID_create table ACT_HI_DETAIL_TMP (    ID_ nvarchar(64) not null,    TYPE_ nvarchar(255) not null,    PROC_INST_ID_ nvarchar(64),    EXECUTION_ID_ nvarchar(64),    TASK_ID_ nvarchar(64),    ACT_INST_ID_ nvarchar(64),    NAME_ nvarchar(255),    VAR_TYPE_ nvarchar(255),    REV_ int,    TIME_ datetime not null,    BYTEARRAY_ID_ nvarchar(64),    DOUBLE_ double precision,    LONG_ numeric(19,0),    TEXT_ nvarchar(255),    TEXT2_ nvarchar(255),    primary key (ID_));insert into ACT_HI_DETAIL_TMPselect * from ACT_HI_DETAIL;drop table ACT_HI_DETAIL;create table ACT_HI_DETAIL (    ID_ nvarchar(64) not null,    TYPE_ nvarchar(255) not null,    PROC_INST_ID_ nvarchar(64),    EXECUTION_ID_ nvarchar(64),    TASK_ID_ nvarchar(64),    ACT_INST_ID_ nvarchar(64),    NAME_ nvarchar(255),    VAR_TYPE_ nvarchar(255),    REV_ int,    TIME_ datetime not null,    BYTEARRAY_ID_ nvarchar(64),    DOUBLE_ double precision,    LONG_ numeric(19,0),    TEXT_ nvarchar(255),    TEXT2_ nvarchar(255),    primary key (ID_));create index ACT_IDX_HI_DETAIL_PROC_INST on ACT_HI_DETAIL(PROC_INST_ID_);create index ACT_IDX_HI_DETAIL_ACT_INST on ACT_HI_DETAIL(ACT_INST_ID_);create index ACT_IDX_HI_DETAIL_TIME on ACT_HI_DETAIL(TIME_);create index ACT_IDX_HI_DETAIL_NAME on ACT_HI_DETAIL(NAME_);insert into ACT_HI_DETAILselect * from ACT_HI_DETAIL_TMP;drop table ACT_HI_DETAIL_TMP;-- Add column PRIORITY_ to ACT_HI_TASKINST and set to default priority (ACT-484)alter table ACT_HI_TASKINST add PRIORITY_ int;update ACT_HI_TASKINST set PRIORITY_ = 50;
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