Changed low-level am work to SPI in storage.c. That avoided sudden bugs, but maybe caused some lost of update performance (unsignificant).

Author: Oleg Ivanov

contrib/aqo/aqo.h

@@ -125,6 +125,7 @@
 #include "commands/explain.h"
 #include "executor/executor.h"
 #include "executor/execdesc.h"
+#include "executor/spi.h"
 #include "nodes/makefuncs.h"
 #include "nodes/nodeFuncs.h"
 #include "optimizer/planmain.h"