From: miker <miker@dcc99617-32d9-48b4-a31d-7c20da2025e4>
Date: Fri, 14 Nov 2008 03:55:50 +0000 (+0000)
Subject: add NOT EXISTS counterpart to EXISTS
X-Git-Url: https://old-git.evergreen-ils.org/?a=commitdiff_plain;h=22abf4d72bbd5db0a24210723295b768c699657d;p=Evergreen.git

add NOT EXISTS counterpart to EXISTS

git-svn-id: svn://svn.open-ils.org/ILS/trunk@11178 dcc99617-32d9-48b4-a31d-7c20da2025e4
---

diff --git a/Open-ILS/src/c-apps/oils_cstore.c b/Open-ILS/src/c-apps/oils_cstore.c
index a10563f2d1..ae10adb9d3 100644
--- a/Open-ILS/src/c-apps/oils_cstore.c
+++ b/Open-ILS/src/c-apps/oils_cstore.c
@@ -1657,19 +1657,34 @@ static char* searchWHERE ( const jsonObject* search_hash, osrfHash* meta, int op
                 free(subpred);
             } else if ( !strcasecmp("-exists",search_itr->key) ) {
                 char* subpred = SELECT(
-			ctx,
-			jsonObjectGetKey( node, "select" ),
-			jsonObjectGetKey( node, "from" ),
-			jsonObjectGetKey( node, "where" ),
-			jsonObjectGetKey( node, "having" ),
-			jsonObjectGetKey( node, "order_by" ),
-			jsonObjectGetKey( node, "limit" ),
-			jsonObjectGetKey( node, "offset" ),
-			SUBSELECT
+                    ctx,
+                    jsonObjectGetKey( node, "select" ),
+                    jsonObjectGetKey( node, "from" ),
+                    jsonObjectGetKey( node, "where" ),
+                    jsonObjectGetKey( node, "having" ),
+                    jsonObjectGetKey( node, "order_by" ),
+                    jsonObjectGetKey( node, "limit" ),
+                    jsonObjectGetKey( node, "offset" ),
+                    SUBSELECT
                 );
 
                 buffer_fadd(sql_buf, "EXISTS ( %s )", subpred);
                 free(subpred);
+            } else if ( !strcasecmp("-not-exists",search_itr->key) ) {
+                char* subpred = SELECT(
+                    ctx,
+                    jsonObjectGetKey( node, "select" ),
+                    jsonObjectGetKey( node, "from" ),
+                    jsonObjectGetKey( node, "where" ),
+                    jsonObjectGetKey( node, "having" ),
+                    jsonObjectGetKey( node, "order_by" ),
+                    jsonObjectGetKey( node, "limit" ),
+                    jsonObjectGetKey( node, "offset" ),
+                    SUBSELECT
+                );
+
+                buffer_fadd(sql_buf, "NOT EXISTS ( %s )", subpred);
+                free(subpred);
             } else {
 
                 char* class = osrfHashGet(meta, "classname");