Range queries are not effective as the first argument, switching to kind, key, created_at index, which also almost invalidates the need for the Replaceable idx and is only kept for the unique key consistency

quartz/src/androidInstrumentedTest/kotlin/com/vitorpamplona/quartz/nip01Core/store/sqlite/ReplaceableTest.kt

@@ -113,17 +113,16 @@ class ReplaceableTest {
 
     @Test
     fun testTriggersIndexUsageKind0() {
-        val explainer =
+        val sql =
-            db.store.explainQuery(
+            """
-                """
+            SELECT * FROM event_headers
-                SELECT * FROM event_headers
+            WHERE
-                WHERE
+                event_headers.kind = 0 AND
-                    event_headers.kind = 0 AND
+                event_headers.pubkey = 'aa' AND
-                    event_headers.pubkey = 'aa' AND
+                event_headers.created_at < 1766686500
-                    event_headers.created_at < 1766686500 AND
+            """.trimIndent()
-                    ((event_headers.kind IN (0, 3)) OR (event_headers.kind >= 10000 AND event_headers.kind < 20000));
+
-                """.trimIndent(),
+        val explainer = db.store.explainQuery(sql)
-            )
 
         assertEquals(
             """
@@ -131,9 +130,8 @@ class ReplaceableTest {
             WHERE
                 event_headers.kind = 0 AND
                 event_headers.pubkey = 'aa' AND
-                event_headers.created_at < 1766686500 AND
+                event_headers.created_at < 1766686500
-                ((event_headers.kind IN (0, 3)) OR (event_headers.kind >= 10000 AND event_headers.kind < 20000));
+            └── SEARCH event_headers USING INDEX query_by_kind_pubkey_created (kind=? AND pubkey=? AND created_at<?)
-            └── SEARCH event_headers USING INDEX replaceable_idx (kind=? AND pubkey=?)
             """.trimIndent(),
             explainer,
         )
@@ -141,17 +139,16 @@ class ReplaceableTest {
 
     @Test
     fun testTriggersIndexUsageKind3() {
-        val explainer =
+        val sql =
-            db.store.explainQuery(
+            """
-                """
+            SELECT * FROM event_headers
-                SELECT * FROM event_headers
+            WHERE
-                WHERE
+                event_headers.kind = 3 AND
-                    event_headers.kind = 3 AND
+                event_headers.pubkey = 'aa' AND
-                    event_headers.pubkey = 'aa' AND
+                event_headers.created_at < 1766686500
-                    event_headers.created_at < 1766686500 AND
+            """.trimIndent()
-                    ((event_headers.kind IN (0, 3)) OR (event_headers.kind >= 10000 AND event_headers.kind < 20000));
+
-                """.trimIndent(),
+        val explainer = db.store.explainQuery(sql)
-            )
 
         assertEquals(
             """
@@ -159,9 +156,8 @@ class ReplaceableTest {
             WHERE
                 event_headers.kind = 3 AND
                 event_headers.pubkey = 'aa' AND
-                event_headers.created_at < 1766686500 AND
+                event_headers.created_at < 1766686500
-                ((event_headers.kind IN (0, 3)) OR (event_headers.kind >= 10000 AND event_headers.kind < 20000));
+            └── SEARCH event_headers USING INDEX query_by_kind_pubkey_created (kind=? AND pubkey=? AND created_at<?)
-            └── SEARCH event_headers USING INDEX replaceable_idx (kind=? AND pubkey=?)
             """.trimIndent(),
             explainer,
         )

quartz/src/androidMain/kotlin/com/vitorpamplona/quartz/nip01Core/store/sqlite/EventIndexesModule.kt

@@ -69,8 +69,8 @@ class EventIndexesModule(
         // queries by limit (latest records), since, until (sync all) alone
         db.execSQL("CREATE INDEX query_by_created_at_id        ON event_headers (created_at DESC, id)")
 
-        // need to check if this is actually needed.
+        // queries by kind + pubkey, but not d-tag, even if they are replaceables and addressables, by date.
-        db.execSQL("CREATE INDEX query_by_created_at_kind_key  ON event_headers (created_at DESC, kind, pubkey)")
+        db.execSQL("CREATE INDEX query_by_kind_pubkey_created  ON event_headers (kind, pubkey, created_at DESC)")
 
         // makes deletions on the event_header fast
         db.execSQL("CREATE INDEX fk_event_tags_header_id       ON event_tags (event_header_row_id)")

quartz/src/androidMain/kotlin/com/vitorpamplona/quartz/nip01Core/store/sqlite/ReplaceableModule.kt

@@ -48,8 +48,7 @@ class ReplaceableModule : IModule {
                 WHERE
                     event_headers.kind = NEW.kind AND
                     event_headers.pubkey = NEW.pubkey AND
-                    event_headers.created_at < NEW.created_at AND
+                    event_headers.created_at < NEW.created_at;
-                    ((event_headers.kind IN (0, 3)) OR (event_headers.kind >= 10000 AND event_headers.kind < 20000));
             END;
             """.trimIndent(),
         )