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https://issues.apache.org/jira/browse/SPARK-27809?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiao Li updated SPARK-27809:
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Issue Type: Sub-task (was: Bug)
Parent: SPARK-27901
> Make optional clauses order insensitive for CREATE DATABASE/VIEW SQL statement
> ------------------------------------------------------------------------------
>
> Key: SPARK-27809
> URL: https://issues.apache.org/jira/browse/SPARK-27809
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 2.4.3
> Reporter: Yesheng Ma
> Assignee: Yesheng Ma
> Priority: Major
> Fix For: 3.0.0
>
>
> Each time, when I write a complex CREATE DATABASE/VIEW statements, I have to
> open the .g4 file to find the EXACT order of clauses in CREATE TABLE
> statement. When the order is not right, I will get A strange confusing error
> message generated from ANTLR4.
> The original g4 grammar for CREATE VIEW is
> {code:sql}
> CREATE [OR REPLACE] [[GLOBAL] TEMPORARY] VIEW [db_name.]view_name
> [(col_name1 [COMMENT col_comment1], ...)]
> [COMMENT table_comment]
> [TBLPROPERTIES (key1=val1, key2=val2, ...)]
> AS select_statement
> {code}
> The proposal is to make the following clauses order insensitive.
> {code:sql}
> [COMMENT table_comment]
> [TBLPROPERTIES (key1=val1, key2=val2, ...)]
> {code}
> –
> The original g4 grammar for CREATE DATABASE is
> {code:sql}
> CREATE (DATABASE|SCHEMA) [IF NOT EXISTS] db_name
> [COMMENT comment_text]
> [LOCATION path]
> [WITH DBPROPERTIES (key1=val1, key2=val2, ...)]
> {code}
> The proposal is to make the following clauses order insensitive.
> {code:sql}
> [COMMENT comment_text]
> [LOCATION path]
> [WITH DBPROPERTIES (key1=val1, key2=val2, ...)]
> {code}
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