adding partial index for uncommitted entries (#816)

treeverse · Oct 14, 2020 · a38f158 · a38f158
1 parent 6b46312
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diff --git a/ddl/000007_uncommitted_idx.down.sql b/ddl/000007_uncommitted_idx.down.sql
@@ -0,0 +1,3 @@
+BEGIN;
+DROP INDEX IF EXISTS entries_uncommitted_branch_min_commit;
+COMMIT;
diff --git a/ddl/000007_uncommitted_idx.up.sql b/ddl/000007_uncommitted_idx.up.sql
@@ -0,0 +1,8 @@
+-- partial index on min_commit to locate uncommitted entries
+BEGIN;
+DROP INDEX IF EXISTS entries_uncommitted_branch_min_commit;
+CREATE INDEX entries_uncommitted_branch_min_commit
+    ON catalog_entries USING btree
+        (branch_id ASC NULLS LAST, min_commit ASC NULLS LAST)
+    WHERE min_commit = '1000000000000000000'::bigint;
+COMMIT;