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[td-225] fix jdbc memory leaks.

This commit is contained in:
Haojun Liao 2020-08-20 13:54:11 +08:00
parent 23876ceb76
commit 91275a73b6
4 changed files with 28 additions and 17 deletions
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8
src/client/jni/com_taosdata_jdbc_TSDBJNIConnector.h
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@ -89,6 +89,14 @@ JNIEXPORT jstring JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_getErrMsgImp
JNIEXPORT jlong JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_getResultSetImp
(JNIEnv *env, jobject jobj, jlong con, jlong tres);
/*
* Class: com_taosdata_jdbc_TSDBJNIConnector
* Method: isUpdateQueryImp
* Signature: (J)J
*/
JNIEXPORT jint JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_isUpdateQueryImp
(JNIEnv *env, jobject jobj, jlong con, jlong tres);
/*
* Class: com_taosdata_jdbc_TSDBJNIConnector
* Method: freeResultSetImp

18
src/client/src/TSDBJNIConnector.c
View File

@ -336,6 +336,24 @@ JNIEXPORT jlong JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_getResultSetImp(
}
}
JNIEXPORT jint JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_isUpdateQueryImp(JNIEnv *env, jobject jobj, jlong con,
jlong tres) {
TAOS *tscon = (TAOS *)con;
if (tscon == NULL) {
jniError("jobj:%p, connection is closed", jobj);
return JNI_CONNECTION_NULL;
}
if ((void *)tres == NULL) {
jniError("jobj:%p, conn:%p, resultset is null", jobj, tscon);
return JNI_RESULT_SET_NULL;
}
SSqlObj *pSql = (TAOS_RES *)tres;
return (tscIsUpdateQuery(pSql)? 1:0);
}
JNIEXPORT jint JNICALL Java_com_taosdata_jdbc_TSDBJNIConnector_freeResultSetImp(JNIEnv *env, jobject jobj, jlong con,
jlong res) {
TAOS *tscon = (TAOS *)con;

17
src/connector/jdbc/.classpath
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@ -28,22 +28,5 @@
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="src" path="target/generated-sources/annotations">
<attributes>
<attribute name="optional" value="true"/>
<attribute name="maven.pomderived" value="true"/>
<attribute name="ignore_optional_problems" value="true"/>
<attribute name="m2e-apt" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="src" output="target/test-classes" path="target/generated-test-sources/test-annotations">
<attributes>
<attribute name="optional" value="true"/>
<attribute name="maven.pomderived" value="true"/>
<attribute name="ignore_optional_problems" value="true"/>
<attribute name="m2e-apt" value="true"/>
<attribute name="test" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="output" path="target/classes"/>
</classpath>

2
src/connector/jdbc/src/main/java/com/taosdata/jdbc/TSDBJNIConnector.java
View File

@ -170,6 +170,8 @@ public class TSDBJNIConnector {
}
private native long getResultSetImp(long connection, long pSql);
private native long isUpdateQueryImp(long connection, long pSql);
/**
* Free resultset operation from C to release resultset pointer by JNI