OtterMind/Chat2DB · error · IllegalArgumentException

Invalid PostgreSQL ${what}: ${value}

Error message

Invalid PostgreSQL ${what}: ${value}

What it means

Error "Invalid PostgreSQL ${what}: ${value}" thrown in OtterMind/Chat2DB.

Source

Thrown at chat2db-community-server/chat2db-community-plugins/chat2db-community-postgresql/src/main/java/ai/chat2db/plugin/postgresql/PostgreSqlGuards.java:42

            "DROP", "ALTER", "CREATE", "GRANT", "REVOKE", "TRUNCATE");
    private static final Set<String> TYPE_BREAKOUT_KEYWORDS = Set.of(
            "CHECK", "COLLATE", "CONSTRAINT", "DEFAULT", "GENERATED", "NOT", "NULL",
            "PRIMARY", "REFERENCES", "UNIQUE");
    private static final Set<String> PRIVILEGES = Set.of(
            "SELECT", "INSERT", "UPDATE", "DELETE", "TRUNCATE", "REFERENCES", "TRIGGER", "MAINTAIN");
    private static final Set<String> VIEW_STORAGE_CLAUSES = Set.of(
            "TEMP", "LOCAL TEMP", "GLOBAL TEMP", "UNLOGGED");

    private PostgreSqlGuards() {
    }

    /**
     * Validate a strict PostgreSQL name token (index method / role / keyword-style positions where
     * escaping is impossible by design).
     */
    public static String requirePgName(String value, String what) {
        if (value == null || !PG_NAME_PATTERN.matcher(value).matches()) {
            throw new IllegalArgumentException("Invalid PostgreSQL " + what + ": " + value);
        }
        return value;
    }

    /**
     * Validates one quote-aware PostgreSQL DEFAULT expression. Function calls, casts, sequence
     * expressions, array subscripts, dollar-quoted strings, and nested parentheses are preserved,
     * while statement terminators, comments, unbalanced delimiters, top-level commas, and column
     * constraint suffixes are rejected.
     */
    public static String requireDefaultExpression(String value) {
        if (StringUtils.isBlank(value)) {
            throw invalid("default value", value);
        }
        String expression = value.trim();
        scanDefaultExpression(expression);
        return expression;
    }

View on GitHub (pinned to 5ee1e990e7)

Solutions

1. Correct the invalid PostgreSQL element named in the message to an allowed value.

When it happens

Trigger: A PostgreSQL DDL element failed guard validation.

Common situations: See trigger scenarios.

AI-assisted analysis of OtterMind/Chat2DB@5ee1e990e7 (2026-08-14). Data as JSON: /api/errors/dfa1ea941d91d5fa. Report an issue: GitHub.