提交 0755ec1f 编写于 作者: H Haojun Liao

[td-225] fix bug while the content in binary column equals to the maximum allowed length

上级 7550b6c5
......@@ -437,13 +437,8 @@ JNIEXPORT jint JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_getSchemaMetaData
* @return
*/
jstring jniFromNCharToByteArray(JNIEnv *env, char *nchar, int32_t maxBytes) {
int len = (int)strlen(nchar);
if (len > maxBytes) { // no terminated symbol exists '\0'
len = maxBytes;
}
jbyteArray bytes = (*env)->NewByteArray(env, len);
(*env)->SetByteArrayRegion(env, bytes, 0, len, (jbyte *)nchar);
jbyteArray bytes = (*env)->NewByteArray(env, maxBytes);
(*env)->SetByteArrayRegion(env, bytes, 0, maxBytes, (jbyte *)nchar);
return bytes;
}
......@@ -481,6 +476,8 @@ JNIEXPORT jint JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_fetchRowImp(JNIEn
}
}
int32_t* length = taos_fetch_lengths(result);
char tmp[TSDB_MAX_BYTES_PER_ROW] = {0};
for (int i = 0; i < num_fields; i++) {
......@@ -515,15 +512,15 @@ JNIEXPORT jint JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_fetchRowImp(JNIEn
(*env)->CallVoidMethod(env, rowobj, g_rowdataSetDoubleFp, i, (jdouble)dv);
} break;
case TSDB_DATA_TYPE_BINARY: {
strncpy(tmp, row[i], (size_t)fields[i].bytes); // handle the case that terminated does not exist
memcpy(tmp, row[i], length[i]); // handle the case that terminated does not exist
(*env)->CallVoidMethod(env, rowobj, g_rowdataSetStringFp, i, (*env)->NewStringUTF(env, tmp));
memset(tmp, 0, (size_t)fields[i].bytes);
memset(tmp, 0, length[i]);
break;
}
case TSDB_DATA_TYPE_NCHAR: {
(*env)->CallVoidMethod(env, rowobj, g_rowdataSetByteArrayFp, i,
jniFromNCharToByteArray(env, (char *)row[i], fields[i].bytes));
jniFromNCharToByteArray(env, (char *)row[i], length[i]));
break;
}
case TSDB_DATA_TYPE_TIMESTAMP:
......
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