Split version_list_stats table by index

Signed-off-by: Graham <gpe@openrs2.org>

archive/src/main/resources/org/openrs2/archive/migrations/V17__split_version_list_stats.sql

@@ -0,0 +1,53 @@
+-- @formatter:off
+DROP VIEW cache_stats;
+DROP MATERIALIZED VIEW crc_table_stats;
+DROP MATERIALIZED VIEW version_list_stats;
+
+CREATE MATERIALIZED VIEW version_list_stats AS
+SELECT
+    v.blob_id,
+    vf.index_id,
+    COUNT(*) FILTER (WHERE b.id IS NOT NULL) AS valid_files,
+    COUNT(*) AS files,
+    SUM(length(b.data) + 2) FILTER (WHERE b.id IS NOT NULL) AS size,
+    SUM(group_blocks(vf.file_id, length(b.data) + 2)) AS blocks
+FROM version_lists v
+JOIN version_list_files vf ON vf.blob_id = v.blob_id
+LEFT JOIN resolve_file(vf.index_id, vf.file_id, vf.version, vf.crc32) b ON TRUE
+GROUP BY v.blob_id, vf.index_id;
+
+CREATE UNIQUE INDEX ON version_list_stats (blob_id, index_id);
+
+CREATE MATERIALIZED VIEW crc_table_stats AS
+SELECT
+    c.id AS crc_table_id,
+    COUNT(*) FILTER (WHERE b.id IS NOT NULL AND a.crc32 <> 0) AS valid_archives,
+    COUNT(*) FILTER (WHERE a.crc32 <> 0) AS archives,
+    SUM(COALESCE(s.valid_files, 0)) AS valid_files,
+    SUM(COALESCE(s.files, 0)) AS files,
+    SUM(COALESCE(s.size, 0)) + SUM(COALESCE(length(b.data), 0)) AS size,
+    SUM(COALESCE(s.blocks, 0)) + SUM(COALESCE(group_blocks(a.archive_id, length(b.data)), 0)) AS blocks
+FROM crc_tables c
+LEFT JOIN crc_table_archives a ON a.crc_table_id = c.id
+LEFT JOIN resolve_archive(a.archive_id, a.crc32) b ON TRUE
+LEFT JOIN version_list_stats s ON s.blob_id = b.id
+GROUP BY c.id;
+
+CREATE UNIQUE INDEX ON crc_table_stats (crc_table_id);
+
+CREATE VIEW cache_stats AS
+SELECT
+    s.id AS scope_id,
+    c.id AS cache_id,
+    COALESCE(ms.valid_indexes, cs.valid_archives) AS valid_indexes,
+    COALESCE(ms.indexes, cs.archives) AS indexes,
+    COALESCE(ms.valid_groups, cs.valid_files) AS valid_groups,
+    COALESCE(ms.groups, cs.files) AS groups,
+    COALESCE(ms.valid_keys, 0) AS valid_keys,
+    COALESCE(ms.keys, 0) AS keys,
+    COALESCE(ms.size, cs.size) AS size,
+    COALESCE(ms.blocks, cs.blocks) AS blocks
+FROM scopes s
+CROSS JOIN caches c
+LEFT JOIN master_index_stats ms ON ms.scope_id = s.id AND ms.master_index_id = c.id
+LEFT JOIN crc_table_stats cs ON s.name = 'runescape' AND cs.crc_table_id = c.id;