Thanks, Michael!
We would like to try using Cosette to check the Calcite test cases in your
link. Can you send us a pointer to the tool that converts Calcite query
plans to SQL? Also, where is the schema for the test cases? Our plan is to
call the tool to generate SQL from query plans, and then pa
Hello,
I first use calcite.I want to user calcite to optimization my sql.Can give
me a example step by step to make me know how can i user it to optimiz sql.
thanks.
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You can see RelToSqlConverterTest.java. there is some test case used optimizer
rules.
-Original Message-
From: chen...@keymobile.com.cn [mailto:chen...@keymobile.com.cn]
Sent: Thursday, September 21, 2017 3:33 PM
To: dev
Subject: Give me an example about how can I define the optimizatio
Rheet Wong created CALCITE-1990:
---
Summary: Make RelDistribution to extends RelMultipleTrait
Key: CALCITE-1990
URL: https://issues.apache.org/jira/browse/CALCITE-1990
Project: Calcite
Issue Type
There's is not a *tool* for conversion per-se, but
org.apache.calcite.rel.rel2sql.RelToSqlConverter provides an easy interface
which takes a RelNode (Calcite's description of a plan) as input and
produces SQL as output.
The schema for the test cases is defined programmatically in the init
method
o
>>> There might be applications in materialized views. A query Q can use a
materialized view V if V covers Q. In other words if >>>Q == R(V) where R
is some sequence of relational operators. Given Q and V, Cosette could
perhaps analyze and either >>>return R (success) or return that V does not
cove
