alterViewProperties
alterViewProperties
is a Change Type in the Liquibase Open Source Databricks extension that alters the properties of a view.
Uses
You can use this Change Type to modify the properties of an existing view. For example, if you created a new view using the createView
Change Type, you can use alterViewProperties
to alter the value of tblProperties
you originally set.
Run alterViewProperties
To run this Change Type, follow these steps:
- Add the Change Type to your changeset, as shown in the examples on this page.
- Specify any required attributes. Use the table on this page to see which ones your database requires.
- Deploy your changeset by running the
update
command:
liquibase update
Available attributes
Tip: You must specify all top-level attributes marked as required. If you specify an optional attribute, you must also specify any nested attributes that it requires.
Name | Type | Description | Requirement |
---|---|---|---|
viewName
|
String | Name of the view to alter view properties on. | Required |
setExtendedTableProperties
Optional.
Specifies additional properties. You can use this to specify new properties or replace existing ones.
setExtendedTableProperties
has the following nested attributes:
tblProperties
(string) (required): The table properties you want to specify. Specify properties using the format'key'='value'
. Separate multiple values using commas.
unsetExtendedTableProperties
Optional.
Removes additional properties that have previously been specified.
unsetExtendedTableProperties
has the following nested attributes:
tblProperties
(string) (required): The table properties you want to specify. Specify properties using the format'key'='value'
. Separate multiple values using commas.
Examples
databaseChangeLog:
- changeSet:
id: 2
author: your.name
changes:
- alterViewProperties:
viewName: test_alter_view_properties
setExtendedTableProperties:
tblProperties: "'external.location'='s3://mybucket/mytable','this.is.my.key'=12,'this.is.my.key2'=true"
rollback:
- alterViewProperties:
viewName: test_alter_view_properties
unsetExtendedTablePropeties:
tblProperties: "'external.location', 'this.is.my.key','this.is.my.key2'"
{
"databaseChangeLog": [
{
"changeSet": {
"id": "2",
"author": "your.name",
"changes": [
{
"alterViewProperties": {
"viewName": "test_alter_view_properties",
"setExtendedTableProperties": {
"tblProperties": "'external.location'='s3://mybucket/mytable','this.is.my.key'=12,'this.is.my.key2'=true"
}
}
}
],
"rollback": [
{
"alterViewProperties": {
"viewName": "test_alter_view_properties",
"unsetExtendedTableProperties": {
"tblProperties": "'external.location', 'this.is.my.key','this.is.my.key2'"
}
}
}
]
}
}
]
}
<databaseChangeLog
xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:databricks="http://www.liquibase.org/xml/ns/databricks"
xmlns:pro="http://www.liquibase.org/xml/ns/pro"
xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog
http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-latest.xsd
http://www.liquibase.org/xml/ns/databricks
http://www.liquibase.org/xml/ns/databricks/liquibase-databricks-latest.xsd
http://www.liquibase.org/xml/ns/pro
http://www.liquibase.org/xml/ns/pro/liquibase-pro-latest.xsd">
<changeSet id="2" author="your.name">
<databricks:alterViewProperties viewName="test_alter_view_properties">
<databricks:setExtendedTableProperties tblProperties="'external.location'='s3://mybucket/mytable','this.is.my.key'=12,'this.is.my.key2'=true"/>
</databricks:alterViewProperties>
<rollback>
<databricks:alterViewProperties viewName="test_alter_view_properties">
<databricks:unsetExtendedTableProperties tblProperties="'external.location', 'this.is.my.key','this.is.my.key2'"/>
</databricks:alterViewProperties>
</rollback>
</changeSet>
</databaseChangeLog>
Database support
This Change Type is only supported for Databricks. It does not support auto rollback.