Exemple #1
0
void Function_clearFunctionCache(void)
{
	Entry entry;

	HashMap oldMap = s_funcMap;
	Iterator itor = Iterator_create(oldMap);

	s_funcMap = HashMap_create(59, TopMemoryContext);
	while((entry = Iterator_next(itor)) != 0)
	{
		Function func = (Function)Entry_getValue(entry);
		if(func != 0)
		{
			if(Function_inUse(func))
			{
				/* This is the replace_jar function or similar. Just
				 * move it to the new map.
				 */
				HashMap_put(s_funcMap, Entry_getKey(entry), func);
			}
			else
			{
				Entry_setValue(entry, 0);
				PgObject_free((PgObject)func);
			}
		}
	}
	PgObject_free((PgObject)itor);
	PgObject_free((PgObject)oldMap);
}
Exemple #2
0
/*
 * Get the CLASSPATH. Result is always freshly palloc'd.
 */
static char* getClassPath(const char* prefix)
{
	char* path;
	HashMap unique = HashMap_create(13, CurrentMemoryContext);
	StringInfoData buf;
	initStringInfo(&buf);
	appendPathParts(classpath, &buf, unique, prefix);
	appendPathParts(getenv("CLASSPATH"), &buf, unique, prefix);
	PgObject_free((PgObject)unique);
	path = buf.data;
	if(strlen(path) == 0)
	{
		pfree(path);
		path = 0;
	}
	return path;
}
Exemple #3
0
/*
 * Get the CLASSPATH. Result is always freshly palloc'd.
 */
static char* getClassPath(const char* prefix)
{
	char* path;
	HashMap unique = HashMap_create(13, CurrentMemoryContext);
	StringInfoData buf;
	initStringInfo(&buf);

	/* Put the pljava installed in the $libdir first in the path */
	appendPathParts("$libdir/java/pljava.jar", &buf, unique, prefix);

#if 0
	/*
	 * Currently pljava.classpath is user setable, which makes this a
	 * security problem.  If CLASSPATH needs to be setable beyond simply
	 * locating the pljava.jar file then this requires modification.
	 *
	 * The Greenplum version of pljava currently uses the classpath guc
	 * differently anyhow due to differences in storing the jar files
	 * in the filesystem rather than in the database.
	 */
	appendPathParts(pljava_classpath, &buf, unique, prefix);

	/*
	 * For this to be useful it needs to be propagated from the
	 * master to all the segments, otherwise it wouldn't be the
	 * same everyplace and that would be a problem.
	 *
	 * Using a jvm_classpath GUC makes more architectural sense,
	 * for it to be secure it would need to be super-user only,
	 * possibly conf file only.
	 */
	appendPathParts(getenv("CLASSPATH"), &buf, unique, prefix);
#endif

	PgObject_free((PgObject)unique);
	path = buf.data;
	if(strlen(path) == 0)
	{
		pfree(path);
		path = 0;
	}
	return path;
}