public Map<String, Column> getColumnsInfo(String tableNamePattern, boolean queryPrimaryKey) {
        return getColumnsInfo(this.catalog, this.schema, tableNamePattern, queryPrimaryKey);
    }
@Test
    void test() {
        DataSourceConfig dataSourceConfig = new DataSourceConfig.Builder("jdbc:h2:mem:test;MODE=mysql;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE", "sa", "").build();
        DatabaseMetaDataWrapper databaseMetaDataWrapper = new DatabaseMetaDataWrapper(dataSourceConfig.getConn(), dataSourceConfig.getSchemaName());
        Map<String, DatabaseMetaDataWrapper.Column> columnsInfo = databaseMetaDataWrapper.getColumnsInfo(null, null, "USERS", true);
        Assertions.assertNotNull(columnsInfo);
        DatabaseMetaDataWrapper.Column name = columnsInfo.get("user_name");
        Assertions.assertTrue(name.isNullable());
        Assertions.assertEquals(JdbcType.VARCHAR, name.getJdbcType());
    }