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Reading floats not supported. #69

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@chrisdew

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@chrisdew

When I try to read floats I get:

connected
building query select * from float_test
result { insert_id: undefined,
  affected_rows: undefined,
  rows: 
   [ { id: 1,
       fval: '_not_implemented_ MYSQL_TYPE_FLOAT \'\\u0000\\u0000\\u0001\\u0000\\u0000\\u0000¶ó�?\'' },
     { id: 2,
       fval: '_not_implemented_ MYSQL_TYPE_FLOAT \'\\u0000\\u0000\\u0002\\u0000\\u0000\\u0000{\\u0014\\u0016@\'' } ] }

when using the program:

var my = require("mysql-native");

var db = my.createTCPClient("172.27.1.40", 3306);
db.auto_prepare = true;
db.auth("test",  "chris", "passwd");
db.addListener('connect', function() {
  console.info("connected");
  var q = buildQuery("select * from float_test");
  q(db, [], function(err, result) {
    if (err) console.log("err", err);
    if (result) console.log("result", result);
  });
});

function buildQuery(sql, debug) {
  console.log("building query", sql);
  return function(db, data, callback) {
    //console.log("executing query", sql, data);
    var query = db.execute(sql, data);
    query.on('error', function(err) {
      console.warn("error", JSON.stringify(err), sql, data);
      callback(err);
    });
    query.on('result', function(result) {
      //console.info("result", result);
      callback(null, result);
    });
  }
}

with data that looks like:


mysql> select * from float_test;
+----+-------+
| id | fval  |
+----+-------+
|  1 | 1.234 | 
|  2 | 2.345 | 
+----+-------+
2 rows in set (0.00 sec)

mysql> describe float_test;
+-------+---------+------+-----+---------+----------------+
| Field | Type    | Null | Key | Default | Extra          |
+-------+---------+------+-----+---------+----------------+
| id    | int(10) | NO   | PRI | NULL    | auto_increment | 
| fval  | float   | NO   |     | 0       |                | 
+-------+---------+------+-----+---------+----------------+
2 rows in set (0.00 sec)

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