Cleanup vectors of GISTENTRY and eliminate problem with 64-bit strict-aligned

boxes. Change interface to user-defined GiST support methods union and
picksplit. Now instead of bytea struct it used special GistEntryVector
structure.

1 files changed, 13 insertions, 0 deletions

diff --git a/src/include/access/gist.h b/src/include/access/gist.h
index 926089d011..a18c196992 100644
--- a/src/include/access/gist.h
+++ b/src/include/access/gist.h
@@ -157,6 +157,19 @@ typedef struct GISTENTRY
 	bool		leafkey;
 } GISTENTRY;
 
+
+/*
+ * Vector of GISTENTRY struct's, user-defined
+ * methods union andpick split takes it as one of args
+ */
+
+typedef struct {
+	int32		n; /* number of elements */
+	GISTENTRY	vector[1];
+} GistEntryVector;
+
+#define GEVHDRSZ	( offsetof(GistEntryVector, vector[0]) )
+
 /*
  * macro to initialize a GISTENTRY
  */