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[TD-4641]<fix>: fix nodejs query result error (#6448) 

Update Node.js connector version to v2.0.8
This commit is contained in:
Linhe Huo 2021-06-30 20:16:22 +08:00 committed by GitHub
parent af88f57633
commit 067219376c
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 11 additions and 21 deletions
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28
src/connector/nodejs/nodetaos/cinterface.js
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@ -126,28 +126,18 @@ function convertDouble(data, num_of_rows, nbytes = 0, offset = 0, micro = false)
}
return res;
}
function convertBinary(data, num_of_rows, nbytes = 0, offset = 0, micro = false) {
data = ref.reinterpret(data.deref(), nbytes * num_of_rows, offset);
let res = [];
let currOffset = 0;
while (currOffset < data.length) {
let dataEntry = data.slice(currOffset, currOffset + nbytes);
if (dataEntry[0] == FieldTypes.C_BINARY_NULL) {
res.push(null);
}
else {
res.push(ref.readCString(dataEntry));
}
currOffset += nbytes;
}
return res;
}
function convertNchar(data, num_of_rows, nbytes = 0, offset = 0, micro = false) {
data = ref.reinterpret(data.deref(), nbytes * num_of_rows, offset);
let res = [];
let dataEntry = data.slice(0, nbytes); //one entry in a row under a column;
//TODO: should use the correct character encoding
let currOffset = 0;
while (currOffset < data.length) {
let len = data.readIntLE(currOffset, 2);
let dataEntry = data.slice(currOffset + 2, currOffset + len + 2); //one entry in a row under a column;
res.push(dataEntry.toString("utf-8"));
currOffset += nbytes;
}
return res;
}
@ -160,7 +150,7 @@ let convertFunctions = {
[FieldTypes.C_BIGINT]: convertBigint,
[FieldTypes.C_FLOAT]: convertFloat,
[FieldTypes.C_DOUBLE]: convertDouble,
[FieldTypes.C_BINARY]: convertBinary,
[FieldTypes.C_BINARY]: convertNchar,
[FieldTypes.C_TIMESTAMP]: convertTimestamp,
[FieldTypes.C_NCHAR]: convertNchar
}

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

@ -1,6 +1,6 @@
{
"name": "td2.0-connector",
"version": "2.0.7",
"version": "2.0.8",
"description": "A Node.js connector for TDengine.",
"main": "tdengine.js",
"directories": {