f6356f9bc0
## What changes were proposed in this pull request?
Alter View can excute sql like "ALTER VIEW ... AS INSERT INTO" . We should throw ParseException(s"Operation not allowed: $message", ctx) as Create View does.
```
override def visitCreateView(ctx: CreateViewContext): LogicalPlan = withOrigin(ctx) {
if (ctx.identifierList != null) {
operationNotAllowed("CREATE VIEW ... PARTITIONED ON", ctx)
} else {
// CREATE VIEW ... AS INSERT INTO is not allowed.
ctx.query.queryNoWith match {
case s: SingleInsertQueryContext if s.insertInto != null =>
operationNotAllowed("CREATE VIEW ... AS INSERT INTO", ctx)
case _: MultiInsertQueryContext =>
operationNotAllowed("CREATE VIEW ... AS FROM ... [INSERT INTO ...]+", ctx)
case _ => // OK
}
```
```
override def visitAlterViewQuery(ctx: AlterViewQueryContext): LogicalPlan = withOrigin(ctx) {
// ALTER VIEW ... AS INSERT INTO is not allowed.
ctx.query.queryNoWith match {
case s: SingleInsertQueryContext if s.insertInto != null =>
operationNotAllowed("ALTER VIEW ... AS INSERT INTO", ctx)
case _: MultiInsertQueryContext =>
operationNotAllowed("ALTER VIEW ... AS FROM ... [INSERT INTO ...]+", ctx)
case _ => // OK
}
AlterViewAsCommand(
name = visitTableIdentifier(ctx.tableIdentifier),
originalText = source(ctx.query),
query = plan(ctx.query))
}
```
## How was this patch tested?
UT has been added in SparkSqlParserSuite
Closes #22028 from sddyljsx/SPARK-25046.
Lead-authored-by: Neal Song <neal_song@126.com>
Co-authored-by: neal <neal_song@126.com>
Signed-off-by: Xiao Li <gatorsmile@gmail.com>
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|---|---|---|
| .. | ||
| catalyst | ||
| core | ||
| hive | ||
| hive-thriftserver | ||
| create-docs.sh | ||
| gen-sql-markdown.py | ||
| mkdocs.yml | ||
| README.md | ||
Spark SQL
This module provides support for executing relational queries expressed in either SQL or the DataFrame/Dataset API.
Spark SQL is broken up into four subprojects:
- Catalyst (sql/catalyst) - An implementation-agnostic framework for manipulating trees of relational operators and expressions.
- Execution (sql/core) - A query planner / execution engine for translating Catalyst's logical query plans into Spark RDDs. This component also includes a new public interface, SQLContext, that allows users to execute SQL or LINQ statements against existing RDDs and Parquet files.
- Hive Support (sql/hive) - Includes an extension of SQLContext called HiveContext that allows users to write queries using a subset of HiveQL and access data from a Hive Metastore using Hive SerDes. There are also wrappers that allow users to run queries that include Hive UDFs, UDAFs, and UDTFs.
- HiveServer and CLI support (sql/hive-thriftserver) - Includes support for the SQL CLI (bin/spark-sql) and a HiveServer2 (for JDBC/ODBC) compatible server.
Running sql/create-docs.sh generates SQL documentation for built-in functions under sql/site.