Compatibility with PG v10-13 fixed

Vladlen Popolitov · Vladlen Popolitov · commit d72f0bb2595f · 2024-01-15T09:35:15.000+03:00
diff --git a/anyarray--2.0.sql b/anyarray--2.0.sql
@@ -85,6 +85,27 @@ CREATE OPERATOR - (
 	PROCEDURE = array_remove
 );
 
+/* PG 13 and lower */
+/*
+CREATE OPERATOR + (
+	LEFTARG = anyarray,
+	RIGHTARG = anyelement,
+	PROCEDURE = array_append
+);
+
+CREATE OPERATOR + (
+	LEFTARG = anyarray,
+	RIGHTARG = anyarray,
+	PROCEDURE = array_cat
+);
+
+CREATE OPERATOR - (
+	LEFTARG = anyarray,
+	RIGHTARG = anyelement,
+	PROCEDURE = array_remove
+);
+*/
+
 CREATE FUNCTION subtract_array(anyarray, anyarray)
 	RETURNS anyarray
 	AS 'MODULE_PATHNAME', 'aa_subtract_array'
diff --git a/anyarray.c b/anyarray.c
@@ -21,8 +21,9 @@
 
 #include <catalog/pg_collation.h>
 #include <utils/builtins.h>
+#if PG_VERSION_NUM >= 120000
 #include <utils/float.h>
-
+#endif
 
 #define	CMP(a, b, cmpFunc) \
 	DatumGetInt32(FunctionCall2Coll((cmpFunc), DEFAULT_COLLATION_OID, (a), (b)))
diff --git a/anyarray_gin.c b/anyarray_gin.c
@@ -16,6 +16,7 @@
  *-------------------------------------------------------------------------
  */
 
+#include <math.h>
 
 #include "postgres.h"
 
diff --git a/anyarray_gist.c b/anyarray_gist.c
@@ -22,8 +22,11 @@
 #include "anyarray.h"
 #include "access/gist.h"
 #include "access/skey.h"
+#if PG_VERSION_NUM >= 130000
 #include "access/heaptoast.h"
-
+#else
+#include "access/tuptoaster.h"
+#endif
 PG_FUNCTION_INFO_V1(ganyarrayin);
 PG_FUNCTION_INFO_V1(ganyarrayout);
 PG_FUNCTION_INFO_V1(ganyarray_consistent);
diff --git a/anyarray_rum.c b/anyarray_rum.c
@@ -16,6 +16,27 @@
 #include <math.h>
 #if PG_VERSION_NUM >= 120000
 #include "utils/float.h"
+#else
+static inline float8
+get_float8_infinity(void)
+{
+#ifdef INFINITY
+	/* C99 standard way */
+	return (float8) INFINITY;
+#else
+
+	/*
+	 * On some platforms, HUGE_VAL is an infinity, elsewhere it's just the
+	 * largest normal float8.  We assume forcing an overflow will get us a
+	 * true infinity.
+	 */
+	return (float8) (HUGE_VAL * HUGE_VAL);
+#endif
+}
+#endif
+#if PG_VERSION_NUM < 130000
+/* definition of INT4OID in early PG versions */
+#include "catalog/pg_type.h"
 #endif
 
 #include "anyarray.h"
diff --git a/anyarray_util.c b/anyarray_util.c
@@ -32,6 +32,10 @@
 
 PG_MODULE_MAGIC;
 
+#if PG_VERSION_NUM < 110000
+#define HASHSTANDARD_PROC HASHPROC
+#endif
+
 static Oid
 getAMProc(Oid amOid, Oid typid)
 {
@@ -54,9 +58,14 @@ getAMProc(Oid amOid, Oid typid)
 			/*
 			 * Search binary-coercible type
 			 */
+#if PG_VERSION_NUM >= 110000			
 			catlist = SearchSysCacheList(CASTSOURCETARGET, 
 										 ObjectIdGetDatum(typid),
 										 0, 0, 0);
+#else 
+			catlist = SearchSysCacheList1(CASTSOURCETARGET, 
+										 ObjectIdGetDatum(typid));
+#endif
 			for (i = 0; i < catlist->n_members; i++)
 			{
 				HeapTuple		tuple = &catlist->members[i]->tuple;
