flink-connector-jdbc/src/main/java/org/apache/flink/connector/jdbc/databases/mysql/catalog/MySqlCatalog.java [92:98]:
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    @Override
    public List<String> listTables(String databaseName)
            throws DatabaseNotExistException, CatalogException {
        Preconditions.checkState(
                StringUtils.isNotBlank(databaseName), "Database name must not be blank.");
        if (!databaseExists(databaseName)) {
            throw new DatabaseNotExistException(getName(), databaseName);
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flink-connector-jdbc/src/main/java/org/apache/flink/connector/jdbc/databases/postgres/catalog/PostgresCatalog.java [145:152]:
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    @Override
    public List<String> listTables(String databaseName)
            throws DatabaseNotExistException, CatalogException {

        Preconditions.checkState(
                StringUtils.isNotBlank(databaseName), "Database name must not be blank.");
        if (!databaseExists(databaseName)) {
            throw new DatabaseNotExistException(getName(), databaseName);
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