package liquibase.sqlgenerator.core;

 import liquibase.database.Database;

 import liquibase.database.core.MSSQLDatabase;

 import liquibase.exception.DatabaseException;

 import liquibase.exception.UnexpectedLiquibaseException;

 import liquibase.sql.Sql;

 import liquibase.sql.UnparsedSql;

 import liquibase.sqlgenerator.SqlGeneratorChain;

 import liquibase.statement.core.GetViewDefinitionStatement;

 public class GetViewDefinitionGeneratorMSSQL extends GetViewDefinitionGenerator {

     @Override

     public int getPriority() {

         return PRIORITY_DATABASE;

     }

     @Override

     public boolean supports(GetViewDefinitionStatement statement, Database database) {

         return database instanceof MSSQLDatabase;

     }

     @Override

     public Sql[] generateSql(GetViewDefinitionStatement statement, Database database,

             SqlGeneratorChain sqlGeneratorChain) {

         try {

             String sql = "select isnull(object_definition(OBJECT_ID(object_id)), view_definition) from sys.objects, sys.schemas, INFORMATION_SCHEMA.VIEWS where objects.type='v' and upper(objects.name)='"

                     + statement.getViewName().toUpperCase() + "'";

             sql += " and objects.schema_id=schemas.schema_id and schemas.name='"

                     + database.convertRequestedSchemaToSchema(statement.getSchemaName()) + "'";

             sql += " AND upper(table_name)='" + statement.getViewName().toUpperCase() + "'";

             // if (StringUtils.trimToNull(schemaName) != null) {

             sql += " and table_schema='" + database.convertRequestedSchemaToSchema(statement.getSchemaName()) + "'";

             sql += " and table_catalog='" + database.getDefaultCatalogName() + "'";

             // log.info("GetViewDefinitionSQL: "+sql);

             return new Sql[] { new UnparsedSql(sql) };

         } catch (DatabaseException e) {

             throw new UnexpectedLiquibaseException(e);

         }

     }

 }