Changeset: f444d18b0e4c for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=f444d18b0e4c
Added Files:
monetdb5/extras/rapi/Tests/rapi10.malC
Modified Files:
monetdb5/extras/rapi/Tests/All
monetdb5/extras/rapi/rapi.R
monetdb5/extras/rapi/rapi.c
monetdb5/extras/rapi/rapi.h
Branch: Jun2016
Log Message:
Infrastructure for loopback queries from embedded R functions
diffs (74 lines):
diff --git a/monetdb5/extras/rapi/Tests/All b/monetdb5/extras/rapi/Tests/All
--- a/monetdb5/extras/rapi/Tests/All
+++ b/monetdb5/extras/rapi/Tests/All
@@ -7,3 +7,4 @@ HAVE_LIBR&NOT_WIN32?rapi05
HAVE_LIBR&NOT_WIN32?rapi06
HAVE_LIBR&NOT_WIN32?rapi07
HAVE_LIBR&NOT_WIN32?rapi08
+HAVE_LIBR&NOT_WIN32?rapi10
diff --git a/monetdb5/extras/rapi/Tests/rapi10.malC
b/monetdb5/extras/rapi/Tests/rapi10.malC
new file mode 100644
--- /dev/null
+++ b/monetdb5/extras/rapi/Tests/rapi10.malC
@@ -0,0 +1,3 @@
+
+r:bat[:oid,:str] := rapi.eval(nil:ptr,"loopback_query('select * from
tables;')");
+io.print(r);
diff --git a/monetdb5/extras/rapi/rapi.R b/monetdb5/extras/rapi/rapi.R
--- a/monetdb5/extras/rapi/rapi.R
+++ b/monetdb5/extras/rapi/rapi.R
@@ -51,3 +51,8 @@ rewireFunc("q", quit, "base")
#rewireFunc("system2", system, "base")
rm(rewireFunc)
+
+loopback_query <- function(query) {
+ dyn.load(file.path(MONETDB_BINDIR, "..", "lib", "monetdb5",
"lib_rapi.so"))
+ .Call("RAPIloopback", query, package="lib_rapi")
+}
diff --git a/monetdb5/extras/rapi/rapi.c b/monetdb5/extras/rapi/rapi.c
--- a/monetdb5/extras/rapi/rapi.c
+++ b/monetdb5/extras/rapi/rapi.c
@@ -271,7 +271,7 @@ str RAPIeval(Client cntxt, MalBlkPtr mb,
// get the lock even before initialization of the R interpreter, as
this can take a second and must be done only once.
MT_lock_set(&rapiLock);
- env = PROTECT(eval(lang1(install("new.env")),R_GlobalEnv));
+ env = PROTECT(eval(lang1(install("new.env")), R_GlobalEnv));
assert(env != NULL);
// first argument after the return contains the pointer to the sql_func
structure
@@ -444,6 +444,12 @@ str RAPIeval(Client cntxt, MalBlkPtr mb,
return msg;
}
+void* RAPIloopback(void *query) {
+ //FIXME actually do something
+ return (void*) ScalarString(mkCharCE((char*)CHAR(STRING_ELT((SEXP)
query, 0)), CE_UTF8));
+}
+
+
str RAPIprelude(void *ret) {
(void) ret;
MT_lock_init(&rapiLock, "rapi_lock");
@@ -458,6 +464,8 @@ str RAPIprelude(void *ret) {
throw(MAL, "rapi.eval",
"failed to initialise R environment
(%s)", initstatus);
}
+ Rf_defineVar(Rf_install("MONETDB_BINDIR"),
ScalarString(mkCharCE(BINDIR, CE_UTF8)), R_GlobalEnv);
+
}
MT_lock_unset(&rapiLock);
printf("# MonetDB/R module loaded\n");
diff --git a/monetdb5/extras/rapi/rapi.h b/monetdb5/extras/rapi/rapi.h
--- a/monetdb5/extras/rapi/rapi.h
+++ b/monetdb5/extras/rapi/rapi.h
@@ -35,7 +35,7 @@ rapi_export str RAPIevalStd(Client cntxt
InstrPtr pci);
rapi_export str RAPIevalAggr(Client cntxt, MalBlkPtr mb, MalStkPtr stk,
InstrPtr pci);
-
+rapi_export void* RAPIloopback(void *query);
rapi_export str RAPIprelude(void *ret);
rapi_export void writeConsoleEx(const char * buf, int buflen, int foo);
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