public Operation convertToOperation()

in flink-connector-hive/src/main/java/org/apache/flink/table/planner/delegation/hive/parse/HiveParserDDLSemanticAnalyzer.java [311:423]
113 lines of code
60 McCabe index (conditional complexity)

    public Operation convertToOperation(HiveParserASTNode ast) throws SemanticException {
        Operation res = null;
        switch (ast.getType()) {
            case HiveASTParser.TOK_ALTERTABLE:
                res = convertAlterTable(ast);
                break;
            case HiveASTParser.TOK_DROPTABLE:
                res = convertDropTable(ast, null);
                break;
            case HiveASTParser.TOK_DESCTABLE:
                res = convertDescribeTable(ast);
                break;
            case HiveASTParser.TOK_SHOWDATABASES:
                res = convertShowDatabases();
                break;
            case HiveASTParser.TOK_SHOWTABLES:
                res = convertShowTables(ast, false);
                break;
            case HiveASTParser.TOK_SHOWFUNCTIONS:
                res = convertShowFunctions(ast);
                break;
            case HiveASTParser.TOK_SHOWVIEWS:
                res = convertShowTables(ast, true);
                break;
            case HiveASTParser.TOK_DROPVIEW:
                res = convertDropTable(ast, TableType.VIRTUAL_VIEW);
                break;
            case HiveASTParser.TOK_ALTERVIEW:
                res = convertAlterView(ast);
                break;
            case HiveASTParser.TOK_SHOWPARTITIONS:
                res = convertShowPartitions(ast);
                break;
            case HiveASTParser.TOK_CREATEDATABASE:
                res = convertCreateDatabase(ast);
                break;
            case HiveASTParser.TOK_DROPDATABASE:
                res = convertDropDatabase(ast);
                break;
            case HiveASTParser.TOK_SWITCHDATABASE:
                res = convertSwitchDatabase(ast);
                break;
            case HiveASTParser.TOK_ALTERDATABASE_PROPERTIES:
                res = convertAlterDatabaseProperties(ast);
                break;
            case HiveASTParser.TOK_ALTERDATABASE_OWNER:
                res = convertAlterDatabaseOwner(ast);
                break;
            case HiveASTParser.TOK_ALTERDATABASE_LOCATION:
                res = convertAlterDatabaseLocation(ast);
                break;
            case HiveASTParser.TOK_CREATETABLE:
                res = convertCreateTable(ast);
                break;
            case HiveASTParser.TOK_CREATEVIEW:
                res = convertCreateView(ast);
                break;
            case HiveASTParser.TOK_CREATEFUNCTION:
                res = convertCreateFunction(ast);
                break;
            case HiveASTParser.TOK_DROPFUNCTION:
                res = convertDropFunction(ast);
                break;
            case HiveASTParser.TOK_CREATEMACRO:
                res = convertCreateMacro(ast);
                break;
            case HiveASTParser.TOK_DROPMACRO:
                res = convertDropMacro(ast);
                break;
            case HiveASTParser.TOK_SHOW_CREATETABLE:
                res = convertShowCreateTable(ast);
                break;
            case HiveASTParser.TOK_DESCFUNCTION:
            case HiveASTParser.TOK_DESCDATABASE:
            case HiveASTParser.TOK_TRUNCATETABLE:
            case HiveASTParser.TOK_CREATEINDEX:
            case HiveASTParser.TOK_DROPINDEX:
            case HiveASTParser.TOK_SHOWLOCKS:
            case HiveASTParser.TOK_SHOWDBLOCKS:
            case HiveASTParser.TOK_SHOW_COMPACTIONS:
            case HiveASTParser.TOK_SHOW_TRANSACTIONS:
            case HiveASTParser.TOK_ABORT_TRANSACTIONS:
            case HiveASTParser.TOK_MSCK:
            case HiveASTParser.TOK_ALTERINDEX_REBUILD:
            case HiveASTParser.TOK_ALTERINDEX_PROPERTIES:
            case HiveASTParser.TOK_SHOWINDEXES:
            case HiveASTParser.TOK_LOCKTABLE:
            case HiveASTParser.TOK_UNLOCKTABLE:
            case HiveASTParser.TOK_LOCKDB:
            case HiveASTParser.TOK_UNLOCKDB:
            case HiveASTParser.TOK_CREATEROLE:
            case HiveASTParser.TOK_DROPROLE:
            case HiveASTParser.TOK_SHOW_ROLE_GRANT:
            case HiveASTParser.TOK_SHOW_ROLE_PRINCIPALS:
            case HiveASTParser.TOK_SHOW_ROLES:
            case HiveASTParser.TOK_GRANT_ROLE:
            case HiveASTParser.TOK_REVOKE_ROLE:
            case HiveASTParser.TOK_GRANT:
            case HiveASTParser.TOK_SHOW_GRANT:
            case HiveASTParser.TOK_REVOKE:
            case HiveASTParser.TOK_SHOW_SET_ROLE:
            case HiveASTParser.TOK_CACHE_METADATA:
            case HiveASTParser.TOK_DROP_MATERIALIZED_VIEW:
            case HiveASTParser.TOK_SHOW_CREATEDATABASE:
            case HiveASTParser.TOK_SHOWCOLUMNS:
            case HiveASTParser.TOK_SHOW_TABLESTATUS:
            case HiveASTParser.TOK_SHOW_TBLPROPERTIES:
            case HiveASTParser.TOK_SHOWCONF:
            default:
                handleUnsupportedOperation(ast);
        }
        return res;
    }