private CitusCommon() {

}

public static List<String> getCitusErrors() {

// not supported by Citus

ArrayList<String> errors = new ArrayList<>();

errors.add("failed to evaluate partition key in insert");

errors.add("cannot perform an INSERT without a partition column value");

errors.add("cannot perform an INSERT with NULL in the partition column");

errors.add("recursive CTEs are not supported in distributed queries");

errors.add("could not run distributed query with GROUPING SETS, CUBE, or ROLLUP");

errors.add("Subqueries in HAVING cannot refer to outer query");

errors.add("non-IMMUTABLE functions are not allowed in the RETURNING clause");

errors.add("functions used in UPDATE queries on distributed tables must not be VOLATILE");

errors.add("STABLE functions used in UPDATE queries cannot be called with column references");

errors.add(

"functions used in the WHERE clause of modification queries on distributed tables must not be VOLATILE");

errors.add("cannot execute ADD CONSTRAINT command with other subcommands");

errors.add("cannot execute ALTER TABLE command involving partition column");

errors.add("could not run distributed query with FOR UPDATE/SHARE commands");

errors.add("is not a regular, foreign or partitioned table");

errors.add("must be a distributed table or a reference table");

errors.add("creating unique indexes on non-partition columns is currently unsupported");

errors.add("modifying the partition value of rows is not allowed");

errors.add("creating unique indexes on non-partition columns is currently unsupported");

errors.add("Distributed relations must not use GENERATED ... AS IDENTITY");

errors.add("cannot drop multiple distributed objects in a single command");

errors.add("is not distributed");

errors.add("cannot create constraint on");

errors.add("cannot create foreign key constraint"); // SET NULL or SET DEFAULT is not supported in ON DELETE

// operation when distribution key is included in the

// foreign key constraint

errors.add("cannot modify views over distributed tables");

// not supported by Citus (restrictions on SELECT queries)

errors.add(

"complex joins are only supported when all distributed tables are co-located and joined on their distribution columns");

errors.add(

"complex joins are only supported when all distributed tables are joined on their distribution columns with equal operator");

errors.add("cannot perform distributed planning on this query");

errors.add("cannot pushdown the subquery");

// see https://github.com/sqlancer/sqlancer/issues/215

errors.add("direct joins between distributed and local tables are not supported");

errors.add("unlogged columnar tables are not supported");

errors.add("UPDATE and CTID scans not supported for ColumnarScan");

errors.add("indexes not supported for columnar tables");

errors.add("invalid byte sequence for encoding \"UTF8\": 0x00");

errors.add("columnar_tuple_insert_speculative not implemented");

errors.add("row field count is 1, expected 2");

errors.add("incorrect binary data format");

errors.add("invalid sign in external \"numeric\" value");

errors.add("Foreign keys and AFTER ROW triggers are not supported for columnar tables");

// current errors in Citus (to be removed once fixed)

if (CitusBugs.bug3957) {

errors.add("unrecognized node type: 127");

}

if (CitusBugs.bug3980 || CitusBugs.bug3987 || CitusBugs.bug4019) {

errors.add("syntax error at or near");

}

if (CitusBugs.bug3982) {

errors.add("failed to find conversion function from unknown to text");

errors.add("invalid input syntax for");

}

if (CitusBugs.bug4013) {

errors.add("ERROR: LIMIT must not be negative");

}

if (CitusBugs.bug3981) {

errors.add("value too long for type");

}

if (CitusBugs.bug4014) {

errors.add("is ambiguous");

}

if (CitusBugs.bug4079) {

errors.add("aggregate function calls cannot be nested");

}

return errors;

}

public static void addCitusErrors(ExpectedErrors errors) {

errors.addAll(getCitusErrors());

}