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<?xml version="1.0" encoding="UTF-8"?>
<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-3.0.xsd">
<changeSet id="workflow-engine-2014.08.14.1" author="Christian Klock" dbms="postgresql">
<validCheckSum>7:5a0cc544406b4db4de48bcf562f5d8f0</validCheckSum>
<sql>
<![CDATA[
CREATE SEQUENCE ${schemaName}.NODE_REF_NUM_S MINVALUE 1 MAXVALUE 9223372036854775807 INCREMENT BY 1 START WITH 1;
CREATE TABLE ${schemaName}.NODES
(
REF_NUM BIGINT NOT NULL,
NODE_NAME VARCHAR(100) NOT NULL,
CLUSTER_NAME VARCHAR(100) NOT NULL,
STATUS VARCHAR(100) NOT NULL,
HEARTBEAT TIMESTAMP NOT NULL,
CONSTRAINT NODE_PK PRIMARY KEY (REF_NUM),
UNIQUE (NODE_NAME),
UNIQUE (CLUSTER_NAME, NODE_NAME)
);
COMMENT ON COLUMN ${schemaName}.NODES.REF_NUM IS 'Record sequence number (NODE_REF_NUM_S)';
COMMENT ON COLUMN ${schemaName}.NODES.NODE_NAME IS 'Node''s name';
COMMENT ON COLUMN ${schemaName}.NODES.CLUSTER_NAME IS 'Node''s cluster name';
COMMENT ON COLUMN ${schemaName}.NODES.STATUS IS 'Node''s execution status';
COMMENT ON COLUMN ${schemaName}.NODES.HEARTBEAT IS 'Node''s last heartbeat time';
--------------------------------------------------------
--------------------------------------------------------
CREATE SEQUENCE ${schemaName}.WOIN_REF_NUM_S INCREMENT BY 1 MINVALUE 1 MAXVALUE 9223372036854775807 START 1 CACHE 1;
CREATE TABLE ${schemaName}.WORKFLOW_INSTANCES
(
REF_NUM BIGINT NOT NULL,
WORKFLOW_NAME TEXT NOT NULL,
WORKFLOW_VERSION BIGINT,
ATTRIBUTES TEXT,
STATE TEXT,
HISTORY TEXT,
LABEL1 VARCHAR(100),
LABEL2 VARCHAR(100),
CLUSTER_NAME VARCHAR(100) NOT NULL,
NODE_NAME VARCHAR(100),
STATUS VARCHAR(15) NOT NULL,
LOCKED VARCHAR(1),
DATE_CREATED TIMESTAMP NOT NULL,
CREATED_BY VARCHAR(30) NOT NULL,
DATE_UPDATED TIMESTAMP,
LAST_UPDATED_BY VARCHAR(30),
CONSTRAINT WOIN_PK PRIMARY KEY (REF_NUM),
CONSTRAINT WOIN_FK1 FOREIGN KEY (NODE_NAME) REFERENCES ${schemaName}.NODES (NODE_NAME)
);
COMMENT ON COLUMN ${schemaName}.WORKFLOW_INSTANCES.REF_NUM IS 'Record sequence number (WOIN_REF_NUM_S)';
COMMENT ON COLUMN ${schemaName}.WORKFLOW_INSTANCES.WORKFLOW_NAME IS 'To be executed workflow''s name';
COMMENT ON COLUMN ${schemaName}.WORKFLOW_INSTANCES.WORKFLOW_VERSION IS 'To be executed workflow''s version';
COMMENT ON COLUMN ${schemaName}.WORKFLOW_INSTANCES.ATTRIBUTES IS 'JSON encoded instance environment';
COMMENT ON COLUMN ${schemaName}.WORKFLOW_INSTANCES.STATE IS 'JSON encoded instance execution state';
COMMENT ON COLUMN ${schemaName}.WORKFLOW_INSTANCES.HISTORY IS 'The instance''s xecution history';
COMMENT ON COLUMN ${schemaName}.WORKFLOW_INSTANCES.LABEL1 IS 'Label to query workflow instances';
COMMENT ON COLUMN ${schemaName}.WORKFLOW_INSTANCES.LABEL2 IS 'Another label to query workflow instances';
COMMENT ON COLUMN ${schemaName}.WORKFLOW_INSTANCES.CLUSTER_NAME IS 'Responsible cluster''s name';
COMMENT ON COLUMN ${schemaName}.WORKFLOW_INSTANCES.NODE_NAME IS 'Responsible node''s node in cluster';
COMMENT ON COLUMN ${schemaName}.WORKFLOW_INSTANCES.LOCKED IS 'Execution lock';
COMMENT ON COLUMN ${schemaName}.WORKFLOW_INSTANCES.STATUS IS 'Instance execution status';
COMMENT ON COLUMN ${schemaName}.WORKFLOW_INSTANCES.DATE_CREATED IS 'Record creation time';
COMMENT ON COLUMN ${schemaName}.WORKFLOW_INSTANCES.CREATED_BY IS 'Record creator';
COMMENT ON COLUMN ${schemaName}.WORKFLOW_INSTANCES.DATE_UPDATED IS 'Record last update time';
COMMENT ON COLUMN ${schemaName}.WORKFLOW_INSTANCES.LAST_UPDATED_BY IS 'Record last updator';
--------------------------------------------------------
--------------------------------------------------------
CREATE SEQUENCE ${schemaName}.WOIT_REF_NUM_S INCREMENT BY 1 MINVALUE 1 MAXVALUE 9223372036854775807 START 1 CACHE 1;
CREATE TABLE ${schemaName}.WORK_ITEMS
(
REF_NUM BIGINT NOT NULL,
WOIN_REF_NUM BIGINT NOT NULL,
TOKEN_ID BIGINT NOT NULL,
STATUS VARCHAR(100) NOT NULL,
SIGNAL VARCHAR(100),
DUE_DATE TIMESTAMP,
BEAN VARCHAR(100),
METHOD VARCHAR(100),
ROLE VARCHAR(100),
USER_NAME VARCHAR(100),
ARGUMENTS TEXT,
RESULT TEXT,
DATE_CREATED TIMESTAMP NOT NULL,
CREATED_BY VARCHAR(30) NOT NULL,
DATE_UPDATED TIMESTAMP,
LAST_UPDATED_BY VARCHAR(30),
CONSTRAINT WOIT_PK PRIMARY KEY (REF_NUM),
CONSTRAINT WOIT_FK1 FOREIGN KEY (WOIN_REF_NUM) REFERENCES ${schemaName}.WORKFLOW_INSTANCES (REF_NUM)
);
COMMENT ON COLUMN ${schemaName}.WORK_ITEMS.REF_NUM IS 'Record sequence number (WOIT_REF_NUM_S)';
COMMENT ON COLUMN ${schemaName}.WORK_ITEMS.WOIN_REF_NUM IS 'Reference to workflow instance';
COMMENT ON COLUMN ${schemaName}.WORK_ITEMS.TOKEN_ID IS 'Reference to token id';
COMMENT ON COLUMN ${schemaName}.WORK_ITEMS.STATUS IS 'Item execution status';
COMMENT ON COLUMN ${schemaName}.WORK_ITEMS.SIGNAL IS 'Signal name';
COMMENT ON COLUMN ${schemaName}.WORK_ITEMS.DUE_DATE IS 'Timer due date';
COMMENT ON COLUMN ${schemaName}.WORK_ITEMS.BEAN IS 'Task''s bean name';
COMMENT ON COLUMN ${schemaName}.WORK_ITEMS.METHOD IS 'Task''s method name';
COMMENT ON COLUMN ${schemaName}.WORK_ITEMS.ROLE IS 'Human task''s assignable role name';
COMMENT ON COLUMN ${schemaName}.WORK_ITEMS.USER_NAME IS 'Human tasks''s assignable user name';
COMMENT ON COLUMN ${schemaName}.WORK_ITEMS.ARGUMENTS IS 'JSON encoded task or human task execution arguments';
COMMENT ON COLUMN ${schemaName}.WORK_ITEMS.RESULT IS 'JSON encoded task, human task or signal result';
COMMENT ON COLUMN ${schemaName}.WORK_ITEMS.DATE_CREATED IS 'Record creation time';
COMMENT ON COLUMN ${schemaName}.WORK_ITEMS.CREATED_BY IS 'Record creator';
COMMENT ON COLUMN ${schemaName}.WORK_ITEMS.DATE_UPDATED IS 'Record last update time';
COMMENT ON COLUMN ${schemaName}.WORK_ITEMS.LAST_UPDATED_BY IS 'Record last updator';
--------------------------------------------------------
--------------------------------------------------------
CREATE SEQUENCE ${schemaName}.EXER_REF_NUM_S INCREMENT BY 1 MINVALUE 1 MAXVALUE 9223372036854775807 START 1 CACHE 1;
CREATE TABLE ${schemaName}.EXECUTION_ERRORS
(
REF_NUM BIGINT NOT NULL,
WOIN_REF_NUM BIGINT NOT NULL,
WOIT_REF_NUM BIGINT,
ERROR_TEXT TEXT NOT NULL,
ERROR_DETAILS TEXT,
DATE_CREATED TIMESTAMP NOT NULL,
CREATED_BY VARCHAR(30) NOT NULL,
CONSTRAINT EXER_PK PRIMARY KEY (REF_NUM),
CONSTRAINT EXER_FK1 FOREIGN KEY (WOIN_REF_NUM) REFERENCES ${schemaName}.WORKFLOW_INSTANCES (REF_NUM),
CONSTRAINT EXER_FK2 FOREIGN KEY (WOIT_REF_NUM) REFERENCES ${schemaName}.WORK_ITEMS (REF_NUM),
UNIQUE(WOIN_REF_NUM)
);
COMMENT ON COLUMN ${schemaName}.EXECUTION_ERRORS.REF_NUM IS 'Record sequence number (EXER_REF_NUM_S)';
COMMENT ON COLUMN ${schemaName}.EXECUTION_ERRORS.WOIN_REF_NUM IS 'Reference to workflow instance';
COMMENT ON COLUMN ${schemaName}.EXECUTION_ERRORS.WOIT_REF_NUM IS 'Reference to work item';
COMMENT ON COLUMN ${schemaName}.EXECUTION_ERRORS.ERROR_TEXT IS 'Error message';
COMMENT ON COLUMN ${schemaName}.EXECUTION_ERRORS.ERROR_DETAILS IS 'Error details (stacktrace)';
COMMENT ON COLUMN ${schemaName}.EXECUTION_ERRORS.DATE_CREATED IS 'Record creation time';
COMMENT ON COLUMN ${schemaName}.EXECUTION_ERRORS.CREATED_BY IS 'Record creator';
--------------------------------------------------------
--------------------------------------------------------
CREATE TABLE ${schemaName}.LOCKS
(
CLUSTER_NAME VARCHAR(20) NOT NULL,
OWNER VARCHAR(20),
EXPIRE_TIME TIMESTAMP,
CONSTRAINT LOCK_PK PRIMARY KEY (CLUSTER_NAME),
CONSTRAINT LOCK_FK1 FOREIGN KEY (CLUSTER_NAME, OWNER) REFERENCES ${schemaName}.NODES (CLUSTER_NAME, NODE_NAME)
);
COMMENT ON COLUMN ${schemaName}.LOCKS.CLUSTER_NAME IS 'The cluster''s name that this lock is working on';
COMMENT ON COLUMN ${schemaName}.LOCKS.OWNER IS 'Node''s name owning the lock';
COMMENT ON COLUMN ${schemaName}.LOCKS.EXPIRE_TIME IS 'Lock expiration time';
]]>
</sql>
</changeSet>
<changeSet id="workflow-engine-2014.08.19.1" author="Christian Klock" dbms="postgresql">
<validCheckSum>7:68f0a69b3256ec530fcfa02951faab21</validCheckSum>
<sql>
<![CDATA[
CREATE INDEX woin_idx1 ON ${schemaName}.workflow_instances (cluster_name) WHERE status = 'NEW' AND locked = 'N';
CREATE INDEX woin_idx2 ON ${schemaName}.workflow_instances (cluster_name) WHERE status = 'EXECUTING' AND locked = 'N';
CREATE INDEX woin_idx3 ON ${schemaName}.workflow_instances (cluster_name) WHERE status = 'ABORT' AND locked = 'N';
CREATE INDEX woit_idx1 ON ${schemaName}.work_items (woin_ref_num);
CREATE INDEX woit_idx2 ON ${schemaName}.work_items (woin_ref_num) WHERE status = 'NEW' AND due_date IS NULL;
CREATE INDEX woit_idx3 ON ${schemaName}.work_items (woin_ref_num) WHERE status = 'NEW' AND due_date IS NOT NULL;
CREATE INDEX woit_idx4 ON ${schemaName}.work_items (woin_ref_num) WHERE status = 'NEW' AND bean IS NOT NULL;
]]>
</sql>
<!--
I also considered the following set of indexes but the index only queries do not seem to work as intended
CREATE INDEX woin_idx1 ON ${schemaName}.workflow_instances (cluster_name, ref_num) WHERE status = 'NEW' AND locked = 'N';
CREATE INDEX woin_idx2 ON ${schemaName}.workflow_instances (cluster_name, ref_num) WHERE status = 'EXECUTING' AND locked = 'N';
CREATE INDEX woin_idx3 ON ${schemaName}.workflow_instances (cluster_name, ref_num) WHERE status = 'ABORT' AND locked = 'N';
CREATE INDEX woit_idx1 ON ${schemaName}.work_items (woin_ref_num, date_updated, date_created) WHERE status = 'EXECUTED' AND due_date IS NULL;
CREATE INDEX woit_idx2 ON ${schemaName}.work_items (woin_ref_num, due_date) WHERE status = 'NEW' AND due_date IS NOT NULL;
CREATE INDEX woit_idx3 ON ${schemaName}.work_items (woin_ref_num, date_updated, date_created) WHERE status = 'NEW' AND bean IS NOT NULL;
-->
</changeSet>
<changeSet id="workflow-engine-2014.10.13.1" author="Christian Klock" dbms="postgresql">
<validCheckSum>7:0a166b8ec23934c53bb525cbbb0669b5</validCheckSum>
<sql>
<![CDATA[
CREATE TABLE ${schemaName}.WORKFLOW_INSTANCES_ARCHIVE
(
REF_NUM BIGINT NOT NULL,
WORKFLOW_NAME TEXT NOT NULL,
WORKFLOW_VERSION BIGINT,
ATTRIBUTES TEXT,
STATE TEXT,
HISTORY TEXT,
LABEL1 VARCHAR(100),
LABEL2 VARCHAR(100),
CLUSTER_NAME VARCHAR(100) NOT NULL,
NODE_NAME VARCHAR(100),
STATUS VARCHAR(15) NOT NULL,
LOCKED VARCHAR(1),
DATE_CREATED TIMESTAMP NOT NULL,
CREATED_BY VARCHAR(30) NOT NULL,
DATE_UPDATED TIMESTAMP,
LAST_UPDATED_BY VARCHAR(30),
CONSTRAINT WINA_PK PRIMARY KEY (REF_NUM)
);
CREATE TABLE ${schemaName}.WORK_ITEMS_ARCHIVE
(
REF_NUM BIGINT NOT NULL,
WOIN_REF_NUM BIGINT NOT NULL,
TOKEN_ID BIGINT NOT NULL,
STATUS VARCHAR(100) NOT NULL,
SIGNAL VARCHAR(100),
DUE_DATE TIMESTAMP,
BEAN VARCHAR(100),
METHOD VARCHAR(100),
ROLE VARCHAR(100),
USER_NAME VARCHAR(100),
ARGUMENTS TEXT,
RESULT TEXT,
DATE_CREATED TIMESTAMP NOT NULL,
CREATED_BY VARCHAR(30) NOT NULL,
DATE_UPDATED TIMESTAMP,
LAST_UPDATED_BY VARCHAR(30),
CONSTRAINT WITA_PK PRIMARY KEY (REF_NUM),
CONSTRAINT WITA_FK1 FOREIGN KEY (WOIN_REF_NUM) REFERENCES ${schemaName}.WORKFLOW_INSTANCES_ARCHIVE (REF_NUM)
);
CREATE INDEX wina_idx1 ON ${schemaName}.workflow_instances_archive (cluster_name, workflow_name);
CREATE INDEX wina_idx2 ON ${schemaName}.workflow_instances_archive (cluster_name, label1, label2);
CREATE INDEX wita_idx1 ON ${schemaName}.work_items_archive (woin_ref_num);
]]>
</sql>
</changeSet>
</databaseChangeLog>
