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Hotfix/td 5264 (#6893) 

* [TD-5264]<fix>: Compatible with previous versions of JNI methods

* add a comment

* use L instead of l
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Zhiyu Yang 2021-07-18 16:04:24 +08:00 committed by GitHub
parent 016c7d4cd2
commit 9a2ceeed0e
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20
src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBResultSetRowData.java
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@ -19,6 +19,7 @@ import com.taosdata.jdbc.utils.NullType;
import java.math.BigDecimal; import java.math.BigDecimal;
import java.sql.SQLException; import java.sql.SQLException;
import java.sql.Timestamp; import java.sql.Timestamp;
import java.time.Instant;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Collections; import java.util.Collections;
@ -463,6 +464,25 @@ public class TSDBResultSetRowData {
data.set(col, tsObj); data.set(col, tsObj);
} }
/**
* this implementation is used for TDengine old version
*/
public void setTimestamp(int col, long ts) {
//TODO: this implementation contains logical error
// when precision is us the (long ts) is 16 digital number
// when precision is ms, the (long ts) is 13 digital number
// we need a JNI function like this:
// public void setTimestamp(int col, long epochSecond, long nanoAdjustment)
if (ts < 1_0000_0000_0000_0L) {
data.set(col, new Timestamp(ts));
} else {
long epochSec = ts / 1000_000L;
long nanoAdjustment = ts % 1000_000L * 1000L;
Timestamp timestamp = Timestamp.from(Instant.ofEpochSecond(epochSec, nanoAdjustment));
data.set(col, timestamp);
}
}
public Timestamp getTimestamp(int col, int nativeType) { public Timestamp getTimestamp(int col, int nativeType) {
Object obj = data.get(col - 1); Object obj = data.get(col - 1);
if (obj == null) if (obj == null)