
liquibase.ext.databricks.change.optimizeTable.OptimizeTableChange Maven / Gradle / Ivy
package liquibase.ext.databricks.change.optimizeTable;
import liquibase.change.AbstractChange;
import liquibase.change.DatabaseChange;
import liquibase.database.Database;
import liquibase.ext.databricks.database.DatabricksDatabase;
import liquibase.servicelocator.PrioritizedService;
import liquibase.statement.SqlStatement;
import liquibase.change.Change;
import lombok.Getter;
import lombok.Setter;
import java.text.MessageFormat;
import java.util.ArrayList;
@Setter
@Getter
@DatabaseChange(name = "optimizeTable", description = "Optimize and ZOrder Table", priority = PrioritizedService.PRIORITY_DATABASE)
public class OptimizeTableChange extends AbstractChange {
private String catalogName;
private String schemaName;
private String tableName;
private String zorderColumns;
@Override
public String getConfirmationMessage() {
return MessageFormat.format("{0}.{1}.{2} successfully optimized.", getCatalogName(), getSchemaName(), getTableName());
}
@Override
public boolean supports(Database database) {
return database instanceof DatabricksDatabase;
}
@Override
protected Change[] createInverses() {
// No Op for Databricks optimize statement. there is no rolling this back.
// you COULD roll this back, but you do not want a system to run RESTORE version as of dynamically. That is risky.
return new Change[]{
};
}
@Override
public SqlStatement[] generateStatements(Database database) {
OptimizeTableStatement statement = new OptimizeTableStatement();
statement.setCatalogName(getCatalogName());
statement.setSchemaName(getSchemaName());
statement.setTableName(getTableName());
// Check for ZORDER columns
if (getZorderColumns() == null) {
ArrayList noZorderCol = new ArrayList<>();
statement.setZorderColumns(noZorderCol);
} else {
statement.setZorderColumns(getZorderColumns());
}
return new SqlStatement[] {statement};
}
}
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