db/leveldb: impl index read/write drop encoding/gob (#1370)

Two benefit below: * shrink go-cqhttp binary size about 200KiB * shrink database file from 2.8M to 1.56M compared with v2 database Also provide a tool to migrate v2 database: https://github.com/RomiChan/gocq-leveldb-migrate
Mrs4s · Feb 15, 2022 · 9054d4c · 9054d4c
1 parent f2e26d0
commit 9054d4c
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Showing 7 changed files with 687 additions and 83 deletions.
diff --git a/db/leveldb/const.go b/db/leveldb/const.go
@@ -0,0 +1,25 @@
+package leveldb
+
+const dataVersion = 1
+
+const (
+	group        = 0x0
+	private      = 0x1
+	guildChannel = 0x2
+)
+
+type coder byte
+
+const (
+	coderNil coder = iota
+	coderInt
+	coderUint
+	coderInt32
+	coderUint32
+	coderInt64
+	coderUint64
+	coderString
+	coderMSG      // global.MSG
+	coderArrayMSG // []global.MSG
+	coderStruct   // struct{}
+)
diff --git a/db/leveldb/database_gen.go b/db/leveldb/database_gen.go