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Posted to github@datafusion.apache.org by "waynexia (via GitHub)" <gi...@apache.org> on 2024/07/30 07:58:05 UTC
[PR] expose some fields on session state [datafusion]
waynexia opened a new pull request, #11716:
URL: https://github.com/apache/datafusion/pull/11716
## Which issue does this PR close?
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Closes https://github.com/apache/datafusion/issues/11715
## Rationale for this change
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Why are you proposing this change? If this is already explained clearly in the issue then this section is not needed.
Explaining clearly why changes are proposed helps reviewers understand your changes and offer better suggestions for fixes.
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As stated in #11715, this patch implements the second approach for discussion.
## What changes are included in this PR?
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There is no need to duplicate the description in the issue here but it is sometimes worth providing a summary of the individual changes in this PR.
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Three new APIs in `SessionState` for planning and optimizing.
## Are these changes tested?
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## Are there any user-facing changes?
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Re: [PR] expose some fields on session state [datafusion]
Posted by "alamb (via GitHub)" <gi...@apache.org>.
alamb merged PR #11716:
URL: https://github.com/apache/datafusion/pull/11716
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Re: [PR] expose some fields on session state [datafusion]
Posted by "waynexia (via GitHub)" <gi...@apache.org>.
waynexia commented on PR #11716:
URL: https://github.com/apache/datafusion/pull/11716#issuecomment-2259989689
I add a new one `planner_api.rs` as the example. I didn't find an appropriate one from existing examples, please let me know if there is.
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Re: [PR] expose some fields on session state [datafusion]
Posted by "waynexia (via GitHub)" <gi...@apache.org>.
waynexia commented on PR #11716:
URL: https://github.com/apache/datafusion/pull/11716#issuecomment-2259616819
Sounds good 👍 I'll add one in this patch.
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Re: [PR] expose some fields on session state [datafusion]
Posted by "alamb (via GitHub)" <gi...@apache.org>.
alamb commented on code in PR #11716:
URL: https://github.com/apache/datafusion/pull/11716#discussion_r1698403283
##########
datafusion-examples/examples/planner_api.rs:
##########
@@ -0,0 +1,127 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements. See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership. The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License. You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+use datafusion::error::Result;
+use datafusion::physical_plan::displayable;
+use datafusion::prelude::*;
+use datafusion_expr::{LogicalPlan, PlanType};
+
+/// This example demonstrates the process of converting logical plan
+/// into physical execution plans using DataFusion.
+///
+/// Planning phase in DataFusion contains several steps:
+/// 1. Analyzing and optimizing logical plan
+/// 2. Converting logical plan into physical plan
+///
+/// The code in this example shows two ways to convert a logical plan into
Review Comment:
❤️
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