Tianqi-Dotes commented on a change in pull request #263:
URL:
https://github.com/apache/incubator-dolphinscheduler-website/pull/263#discussion_r559186136
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File path: docs/en-us/1.3.4/user_doc/task-structure.md
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@@ -0,0 +1,1134 @@
+
+# Overall Tasks Storage Structure
+Dolphinscheduler persists all created tasks in the table
't_ds_process_definition'.
+
+The following shows the 't_ds_process_definition' table structure:
+
+
+order | field | type | description
+-------- | ---------| -------- | ---------
+1|id|int(11)|primary key
+2|name|varchar(255)|define workflow name
+3|version|int(11)|define workflow version
+4|release_state|tinyint(4)|define workflow publish status：0 not yet launch, 1
launched
+5|project_id|int(11)|project id
+6|user_id|int(11)|define workflow owner id
+7|process_definition_json|longtext|define workflow JSON
+8|description|text|define workflow description
+9|global_params|text|global parameters
+10|flag|tinyint(4)|specify workflow availability：0 not available, 1 available
+11|locations|text|node location info
+12|connects|text|node connectivity info
+13|receivers|text|receivers
+14|receivers_cc|text|CC receivers
+15|create_time|datetime|create time
+16|timeout|int(11) |timeout
+17|tenant_id|int(11) |tenant id
+18|update_time|datetime|update time
+19|modify_by|varchar(36)|specify users make modification
+20|resource_ids|varchar(255)|resource ids
+
+In which 'process_definition_json' is the core field, defines task info in DAG
and is stored in JSON format.
+
+Following table describes the common data structure
+order | field | type | description
+-------- | ---------| -------- | ---------
+1|globalParams|Array|global parameters
+2|tasks|Array|task collections in the workflow[structures of each task type
please check following sections]
+3|tenantId|int|tenant ID
+4|timeout|int|timeout
+
+Data example:
+```bash
+{
+ "globalParams":[
+ {
+ "prop":"golbal_bizdate",
+ "direct":"IN",
+ "type":"VARCHAR",
+ "value":"${system.biz.date}"
+ }
+ ],
+ "tasks":Array[1],
+ "tenantId":0,
+ "timeout":0
+}
+```
+
+# Detailed Explanation About the Storage Structure of Each Task Type
Review comment:
done
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