From da6f772fd1b356e39a5484bfe3bcd69e0952acf9 Mon Sep 17 00:00:00 2001
From: Ziyang Hu <hu.ziyang@cantab.net>
Date: Wed, 6 Apr 2022 23:25:33 +0800
Subject: [PATCH] notes

---
 PLAN.md | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 PLAN.md

diff --git a/PLAN.md b/PLAN.md
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+# Structure of the project
+
+* Parser
+* Query AST
+* Typing support
+* Logical plan/optimizers
+* Physical plan/optimizers
+* Runtime representation (values)
+* DB interaction/(de)serialization
+* Evaluator/interpreter/VM
+* Plan executors
+
+```
+{
+    *id: id,
+    name: d.name[0]
+}
+```
+
+```
+$name
+${name:?Int}
+```
+
+```
+where a: b.id == c.id
+trail 
+```
+
+```
+select ...
+view X = select {} : Vertex
+let z = select {} : Vertex
+```
+
+```
+let vs with
+[a:V]
+[v:X]
+[p:=z]
+```
\ No newline at end of file