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Merge pull request #4765 from taosdata/hotfix/TD-2302 

Hotfix/td 2302
This commit is contained in:
huili 2020-12-30 19:11:42 +08:00 committed by GitHub
parent 64138f3edc 8af97223ed
commit 1a24394ee8
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 32 additions and 15 deletions
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34
src/connector/nodejs/nodetaos/cinterface.js
View File

@ -367,11 +367,15 @@ CTaosInterface.prototype.fetchBlock = function fetchBlock(result, fields) {
let offset = 0;
for (let i = 0; i < fields.length; i++) {
pdata = ref.reinterpret(pblock,8,i*8);
pdata = ref.ref(pdata.readPointer());
if (!convertFunctions[fields[i]['type']] ) {
throw new errors.DatabaseError("Invalid data type returned from database");
}
blocks[i] = convertFunctions[fields[i]['type']](pdata, 1, fieldlens[i], offset, isMicro);
if(ref.isNull(pdata.readPointer())){
blocks[i] = new Array();
}else{
pdata = ref.ref(pdata.readPointer());
if (!convertFunctions[fields[i]['type']] ) {
throw new errors.DatabaseError("Invalid data type returned from database");
}
blocks[i] = convertFunctions[fields[i]['type']](pdata, 1, fieldlens[i], offset, isMicro);
}
}
return {blocks: blocks, num_of_rows:Math.abs(num_of_rows)}
}
@ -437,14 +441,18 @@ CTaosInterface.prototype.fetch_rows_a = function fetch_rows_a(result, callback,
}
if (numOfRows2 > 0){
for (let i = 0; i < fields.length; i++) {
if (!convertFunctions[fields[i]['type']] ) {
throw new errors.DatabaseError("Invalid data type returned from database");
}
let prow = ref.reinterpret(row,8,i*8);
prow = prow.readPointer();
prow = ref.ref(prow);
blocks[i] = convertFunctions[fields[i]['type']](prow, 1, fieldlens[i], offset, isMicro);
//offset += fields[i]['bytes'] * numOfRows2;
if(ref.isNull(pdata.readPointer())){
blocks[i] = new Array();
}else{
if (!convertFunctions[fields[i]['type']] ) {
throw new errors.DatabaseError("Invalid data type returned from database");
}
let prow = ref.reinterpret(row,8,i*8);
prow = prow.readPointer();
prow = ref.ref(prow);
blocks[i] = convertFunctions[fields[i]['type']](prow, 1, fieldlens[i], offset, isMicro);
//offset += fields[i]['bytes'] * numOfRows2;
}
}
}
callback(param2, result2, numOfRows2, blocks);

2
src/connector/nodejs/package.json
View File

@ -1,6 +1,6 @@
{
"name": "td2.0-connector",
"version": "2.0.1",
"version": "2.0.4",
"description": "A Node.js connector for TDengine.",
"main": "tdengine.js",
"scripts": {

11
src/connector/nodejs/test/test.js
View File

@ -84,10 +84,19 @@ q.execute().then(function(r) {
r.pretty();
});
// test query null value
c1.execute("create table if not exists td_connector_test.weather(ts timestamp, temperature float, humidity int) tags(location nchar(64))");
c1.execute("insert into t1 using weather tags('北京') values(now, 11.11, 11)");
c1.execute("insert into t1(ts, temperature) values(now, 22.22)");
c1.execute("insert into t1(ts, humidity) values(now, 33)");
c1.query('select * from test.t1', true).then(function (result) {
result.pretty();
});
var q = c1.query('select * from td_connector_test.weather');
console.log(q.query);
q.execute().then(function(r) {
//console.log(r);
r.pretty();
});