Change the return value type of pgroonga.ctid to cstring

hnakamur · Aug 10, 2015 · c3c133e · c3c133e
1 parent 4b5d9a5
commit c3c133e
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Showing 2 changed files with 7 additions and 3 deletions.
diff --git a/pgroonga.c b/pgroonga.c
@@ -1302,14 +1302,18 @@ pgroonga_command(PG_FUNCTION_ARGS)
 }
 
 /**
- * pgroonga.ctid(row record) : int64
+ * pgroonga.ctid(row record) : cstring
  */
 Datum
 pgroonga_ctid(PG_FUNCTION_ARGS)
 {
 	HeapTupleHeader header = PG_GETARG_HEAPTUPLEHEADER(0);
 	uint64 tupleID = CtidToUInt64(&(header->t_ctid));
-	PG_RETURN_INT64((int64)tupleID);
+	char buf[20];
+	char *copiedCtid;
+	snprintf(buf, sizeof(buf), "%lu", tupleID);
+	copiedCtid = pstrdup(buf);
+	PG_RETURN_CSTRING(copiedCtid);
 }
 
 static grn_bool

diff --git a/pgroonga.sql b/pgroonga.sql
@@ -24,7 +24,7 @@ CREATE FUNCTION pgroonga.command(groongaCommand text)
 	STRICT;
 
 CREATE FUNCTION pgroonga.ctid("row" record)
-	RETURNS int64
+	RETURNS cstring
 	AS 'MODULE_PATHNAME', 'pgroonga_ctid'
 	LANGUAGE C
 	VOLATILE