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Matt McShaneandGitHub
932003d936
* Revert "Capture UpdateInfos in MutableState mutation (#4372)" This reverts commitc78ee02eee. * Revert "Adds update state indexing to MutableState (#4224)" This reverts commitf8303d8e7e. * Add UpdateInfo map to WorkflowExecutionInfo This inlines the UpdateInfo index into the pre-existing execution blob so that downstream persistence implementations won't see any change.
What
This directory contains the cassandra schema for every keyspace that temporal owns. The directory structure is as follows
./schema
- keyspace1/
- keyspace2/
- keyspace.cql -- Contains the keyspace definition
- schema.cql -- Contains the latest & greatest snapshot of the schema for the keyspace
- versioned
- v0.1/
- v0.2/ -- One directory per schema version change
- v1.0/
- manifest.json -- json file describing the change
- changes.cql -- changes in this version, only [CREATE, ALTER] commands are allowed
How
Q: How do I update existing schema ?
- Add your changes to schema.cql
- Create a new schema version directory under ./schema/keyspace/versioned/vx.x
- Add a manifest.json
- Add your changes in a cql file
- Once you are done with these use the ./temporal-cassandra-tool to update the schema
Q: What's the format of manifest.json
Example below:
- MinCompatibleVersion is the minimum schema version that your code can handle
- SchemaUpdateCqlFiles are list of .cql files containing your create/alter commands
{
"CurrVersion": "0.1",
"MinCompatibleVersion": "0.1",
"Description": "base version of schema",
"SchemaUpdateCqlFiles": [
"base.cql"
]
}