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[td-3376] add new api for java to decide the time precision of current result.

This commit is contained in:
Haojun Liao 2021-04-19 18:45:02 +08:00
parent e1442f9619
commit 3f18a8a55a
2 changed files with 25 additions and 0 deletions
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8
src/client/jni/com_taosdata_jdbc_TSDBJNIConnector.h
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@ -49,6 +49,14 @@ JNIEXPORT jint JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_setOptions
JNIEXPORT jstring JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_getTsCharset JNIEXPORT jstring JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_getTsCharset
(JNIEnv *, jclass); (JNIEnv *, jclass);
/*
* Class: com_taosdata_jdbc_TSDBJNIConnector
* Method: getResultTimePrecision
* Signature: (J)J
*/
JNIEXPORT jint JNICALL Java_com_taosdata_jdbc_TDDBJNIConnector_getResultTimePrecision
(JNIEnv *, jobject, jlong, jlong);
/* /*
* Class: com_taosdata_jdbc_TSDBJNIConnector * Class: com_taosdata_jdbc_TSDBJNIConnector
* Method: connectImp * Method: connectImp

17
src/client/src/TSDBJNIConnector.c
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@ -671,3 +671,20 @@ JNIEXPORT jint JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_validateCreateTab
JNIEXPORT jstring JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_getTsCharset(JNIEnv *env, jobject jobj) { JNIEXPORT jstring JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_getTsCharset(JNIEnv *env, jobject jobj) {
return (*env)->NewStringUTF(env, (const char *)tsCharset); return (*env)->NewStringUTF(env, (const char *)tsCharset);
} }
JNIEXPORT jint JNICALL Java_com_taosdata_jdbc_TDDBJNIConnector_getResultTimePrecision(JNIEnv *env, jobject jobj, jlong con,
jlong res) {
TAOS *tscon = (TAOS *)con;
if (tscon == NULL) {
jniError("jobj:%p, connection is closed", jobj);
return JNI_CONNECTION_NULL;
}
TAOS_RES *result = (TAOS_RES *)res;
if (result == NULL) {
jniError("jobj:%p, conn:%p, resultset is null", jobj, tscon);
return JNI_RESULT_SET_NULL;
}
return taos_result_precision(result);
}