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);
}
/*
* 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;
}
/*
* 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;
}
