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Merge pull request #70 from liquibase/update_liquibase_version_and_sn…
…apshot Upgrade to Liquibase 4.25.0
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src/main/java/liquibase/ext/databricks/snapshot/jvm/ViewSnapshotGeneratorDatabricks.java
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| @@ -0,0 +1,85 @@ | ||
| package liquibase.ext.databricks.snapshot.jvm; | ||
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| import liquibase.CatalogAndSchema; | ||
| import liquibase.Scope; | ||
| import liquibase.database.AbstractJdbcDatabase; | ||
| import liquibase.database.Database; | ||
| import liquibase.exception.DatabaseException; | ||
| import liquibase.executor.ExecutorService; | ||
| import liquibase.snapshot.DatabaseSnapshot; | ||
| import liquibase.snapshot.jvm.ViewSnapshotGenerator; | ||
| import liquibase.statement.core.RawSqlStatement; | ||
| import liquibase.structure.DatabaseObject; | ||
| import liquibase.structure.core.Schema; | ||
| import liquibase.structure.core.View; | ||
| import liquibase.util.StringUtil; | ||
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| import java.util.List; | ||
| import java.util.Map; | ||
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| import liquibase.ext.databricks.database.DatabricksDatabase; | ||
| public class ViewSnapshotGeneratorDatabricks extends ViewSnapshotGenerator { | ||
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| @Override | ||
| public int getPriority(Class<? extends DatabaseObject> objectType, Database database) { | ||
| int priority = super.getPriority(objectType, database); | ||
| if (priority > PRIORITY_NONE && database instanceof DatabricksDatabase) { | ||
| priority += DatabricksDatabase.PRIORITY_DATABASE; | ||
| } | ||
| return priority; | ||
| } | ||
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| @Override | ||
| protected DatabaseObject snapshotObject(DatabaseObject example, DatabaseSnapshot snapshot) throws DatabaseException { | ||
| if (((View) example).getDefinition() != null) { | ||
| return example; | ||
| } else { | ||
| Database database = snapshot.getDatabase(); | ||
| Schema schema = example.getSchema(); | ||
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| CatalogAndSchema catalogAndSchema = (new CatalogAndSchema(schema.getCatalogName(), schema.getName())).customize(database); | ||
| String jdbcSchemaName = database.correctObjectName(((AbstractJdbcDatabase) database).getJdbcSchemaName(catalogAndSchema), Schema.class); | ||
| String query = String.format("SELECT view_definition FROM %s.%s.VIEWS WHERE table_name='%s' AND table_schema='%s' AND table_catalog='%s';", | ||
| schema.getCatalogName(), database.getSystemSchema(), example.getName(), schema.getName(), schema.getCatalogName()); | ||
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| List<Map<String, ?>> viewsMetadataRs = Scope.getCurrentScope().getSingleton(ExecutorService.class) | ||
| .getExecutor("jdbc", database).queryForList(new RawSqlStatement(query)); | ||
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| if (viewsMetadataRs.isEmpty()) { | ||
| return null; | ||
| } else { | ||
| Map<String, ?> row = viewsMetadataRs.get(0); | ||
| String rawViewName = example.getName(); | ||
| String rawSchemaName = schema.getName(); | ||
| String rawCatalogName = schema.getCatalogName(); | ||
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| View view = (new View()).setName(this.cleanNameFromDatabase(rawViewName, database)); | ||
| CatalogAndSchema schemaFromJdbcInfo = ((AbstractJdbcDatabase) database).getSchemaFromJdbcInfo(rawCatalogName, rawSchemaName); | ||
| view.setSchema(new Schema(schemaFromJdbcInfo.getCatalogName(), schemaFromJdbcInfo.getSchemaName())); | ||
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| String definition = (String) row.get("VIEW_DEFINITION"); | ||
| if (definition.startsWith("FULL_DEFINITION: ")) { | ||
| definition = definition.replaceFirst("^FULL_DEFINITION: ", ""); | ||
| view.setContainsFullDefinition(true); | ||
| } | ||
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| int length = definition.length(); | ||
| if (length > 0 && definition.charAt(length - 1) == 0) { | ||
| definition = definition.substring(0, length - 1); | ||
| } | ||
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| definition = StringUtil.trimToNull(definition); | ||
| if (definition == null) { | ||
| definition = "[CANNOT READ VIEW DEFINITION]"; | ||
| } | ||
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| view.setDefinition(definition); | ||
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| return view; | ||
| } | ||
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| } | ||
| } | ||
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| } |
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2 changes: 0 additions & 2 deletions
2
...esources/liquibase/harness/generateChangelog/expectedChangeLog/databricks/createTable.sql
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,3 +1 @@ | ||
| -- liquibase formatted sql | ||
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| CREATE TABLE test_table_xml (test_column INT); |