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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2020/03/13 09:17:31 UTC

[GitHub] [spark] cloud-fan opened a new pull request #27902: [SPARK-31147][SQL] forbid CHAR/VARCHAR type in non-Hive tables

cloud-fan opened a new pull request #27902: [SPARK-31147][SQL] forbid CHAR/VARCHAR type in non-Hive tables
URL: https://github.com/apache/spark/pull/27902
 
 
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   Spark introduced CHAR/VARCHAR type for hive compatibility but it only works for hive tables. CHAR/VARCHAR type is never documented and is treated as STRING type for non-Hive tables.
   
   However, this leads to confusing behaviors
   ```
   spark-sql> CREATE TABLE t(a CHAR(3));
   
   spark-sql> INSERT INTO TABLE t SELECT 'a ';
   
   spark-sql> SELECT a, length(a) FROM t;
   a 	2
   ```
   
   According to the SQL standard, `CHAR(3)` should guarantee all the values are of length 3. Since `CHAR(3)` is treated as STRING so Spark doesn't guarantee it.
   
   This PR forbids CHAR/VARCHAR type in non-Hive tables as it's not supported correctly.
   
   ### Why are the changes needed?
   <!--
   Please clarify why the changes are needed. For instance,
     1. If you propose a new API, clarify the use case for a new API.
     2. If you fix a bug, you can clarify why it is a bug.
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   avoid confusing/wrong behavior
   
   ### Does this PR introduce any user-facing change?
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   If yes, please clarify the previous behavior and the change this PR proposes - provide the console output, description and/or an example to show the behavior difference if possible.
   If no, write 'No'.
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   yes, now users can't create/alter non-Hive tables with CHAR/VARCHAR type.
   
   ### How was this patch tested?
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   If tests were added, say they were added here. Please make sure to add some test cases that check the changes thoroughly including negative and positive cases if possible.
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   new tests

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Posted by GitBox <gi...@apache.org>.
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URL: https://github.com/apache/spark/pull/27902#issuecomment-602888698
 
 
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Posted by GitBox <gi...@apache.org>.
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URL: https://github.com/apache/spark/pull/27902#issuecomment-602529634
 
 
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Posted by GitBox <gi...@apache.org>.
AmplabJenkins removed a comment on issue #27902: [SPARK-31147][SQL] forbid CHAR type in non-Hive-Serde tables
URL: https://github.com/apache/spark/pull/27902#issuecomment-602529634
 
 
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[GitHub] [spark] SparkQA commented on issue #27902: [SPARK-31147][SQL] forbid CHAR type in non-Hive-Serde tables

Posted by GitBox <gi...@apache.org>.
SparkQA commented on issue #27902: [SPARK-31147][SQL] forbid CHAR type in non-Hive-Serde tables
URL: https://github.com/apache/spark/pull/27902#issuecomment-603328072
 
 
   **[Test build #120263 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/120263/testReport)** for PR 27902 at commit [`ba28637`](https://github.com/apache/spark/commit/ba28637297110c54b8724e6c8b0223d0b6a13097).
    * This patch passes all tests.
    * This patch merges cleanly.
    * This patch adds no public classes.

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[GitHub] [spark] SparkQA removed a comment on issue #27902: [SPARK-31147][SQL] forbid CHAR type in non-Hive-Serde tables

Posted by GitBox <gi...@apache.org>.
SparkQA removed a comment on issue #27902: [SPARK-31147][SQL] forbid CHAR type in non-Hive-Serde tables
URL: https://github.com/apache/spark/pull/27902#issuecomment-601675969
 
 
   **[Test build #120096 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/120096/testReport)** for PR 27902 at commit [`33efaac`](https://github.com/apache/spark/commit/33efaac814aaf9a0967877582fb0a6201227f1a4).

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[GitHub] [spark] AmplabJenkins commented on issue #27902: [SPARK-31147][SQL] forbid CHAR/VARCHAR type in non-Hive tables

Posted by GitBox <gi...@apache.org>.
AmplabJenkins commented on issue #27902: [SPARK-31147][SQL] forbid CHAR/VARCHAR type in non-Hive tables
URL: https://github.com/apache/spark/pull/27902#issuecomment-598669832
 
 
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[GitHub] [spark] dongjoon-hyun commented on issue #27902: [SPARK-31147][SQL] forbid CHAR/VARCHAR type in non-Hive tables

Posted by GitBox <gi...@apache.org>.
dongjoon-hyun commented on issue #27902: [SPARK-31147][SQL] forbid CHAR/VARCHAR type in non-Hive tables
URL: https://github.com/apache/spark/pull/27902#issuecomment-598800427
 
 
   I support this approach in Apache Spark 3.0.0.
   cc @marmbrus and @gatorsmile since this causes many migration failures.
   cc @rxin since he is a release manager for 3.0.0.

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Posted by GitBox <gi...@apache.org>.
AmplabJenkins removed a comment on issue #27902: [SPARK-31147][SQL] forbid CHAR type in non-Hive-Serde tables
URL: https://github.com/apache/spark/pull/27902#issuecomment-602888706
 
 
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[GitHub] [spark] viirya commented on a change in pull request #27902: [SPARK-31147][SQL] Forbid CHAR type in non-Hive-Serde tables

Posted by GitBox <gi...@apache.org>.
viirya commented on a change in pull request #27902: [SPARK-31147][SQL] Forbid CHAR type in non-Hive-Serde tables
URL: https://github.com/apache/spark/pull/27902#discussion_r397610314
 
 

 ##########
 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/connector/catalog/CatalogV2Util.scala
 ##########
 @@ -329,4 +331,19 @@ private[sql] object CatalogV2Util {
       .getOrElse(catalogManager.v2SessionCatalog)
       .asTableCatalog
   }
+
+  def failCharType(dt: DataType): Unit = {
+    if (HiveStringType.containsCharType(dt)) {
+      throw new AnalysisException(
+        "Cannot use CHAR type in non-Hive-Serde tables, please use STRING type instead.")
+    }
+  }
+
+  def assertNoCharTypeInSchema(schema: StructType): Unit = {
+    schema.foreach { f =>
+      if (f.metadata.contains(HIVE_TYPE_STRING)) {
+        failCharType(CatalystSqlParser.parseRawDataType(f.metadata.getString(HIVE_TYPE_STRING)))
+      }
 
 Review comment:
   So we don't need to detect char type in so many cases?

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[GitHub] [spark] AmplabJenkins removed a comment on issue #27902: [SPARK-31147][SQL] forbid CHAR type in non-Hive-Serde tables

Posted by GitBox <gi...@apache.org>.
AmplabJenkins removed a comment on issue #27902: [SPARK-31147][SQL] forbid CHAR type in non-Hive-Serde tables
URL: https://github.com/apache/spark/pull/27902#issuecomment-603134431
 
 
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[GitHub] [spark] dongjoon-hyun commented on issue #27902: [SPARK-31147][SQL] forbid CHAR type in non-Hive-Serde tables

Posted by GitBox <gi...@apache.org>.
dongjoon-hyun commented on issue #27902: [SPARK-31147][SQL] forbid CHAR type in non-Hive-Serde tables
URL: https://github.com/apache/spark/pull/27902#issuecomment-601829482
 
 
   This PR still bans `VARCHAR`. The failure comes from the following.
   ```
     test("self-join on a partitioned table should not trigger DPP") {
       withSQLConf(SQLConf.DYNAMIC_PARTITION_PRUNING_ENABLED.key -> "true",
         SQLConf.DYNAMIC_PARTITION_PRUNING_REUSE_BROADCAST_ONLY.key -> "false",
         SQLConf.EXCHANGE_REUSE_ENABLED.key -> "false") {
         withTable("fact") {
           sql(
             s"""
                |CREATE TABLE fact (
                |  col1 varchar(14), col2 bigint, col3 bigint, col4 decimal(18,8), partCol1 varchar(1)
                |) USING $tableFormat PARTITIONED BY (partCol1)
           """.stripMargin)
   ```

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[GitHub] [spark] SparkQA commented on issue #27902: [SPARK-31147][SQL] forbid CHAR type in non-Hive-Serde tables

Posted by GitBox <gi...@apache.org>.
SparkQA commented on issue #27902: [SPARK-31147][SQL] forbid CHAR type in non-Hive-Serde tables
URL: https://github.com/apache/spark/pull/27902#issuecomment-601689011
 
 
   **[Test build #120098 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/120098/testReport)** for PR 27902 at commit [`32b5023`](https://github.com/apache/spark/commit/32b50234a0abe8dcc5f55bfc34d8c624811f36db).

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[GitHub] [spark] dongjoon-hyun commented on a change in pull request #27902: [SPARK-31147][SQL] forbid CHAR/VARCHAR type in non-Hive tables

Posted by GitBox <gi...@apache.org>.
dongjoon-hyun commented on a change in pull request #27902: [SPARK-31147][SQL] forbid CHAR/VARCHAR type in non-Hive tables
URL: https://github.com/apache/spark/pull/27902#discussion_r392324949
 
 

 ##########
 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/connector/catalog/CatalogV2Util.scala
 ##########
 @@ -329,4 +330,18 @@ private[sql] object CatalogV2Util {
       .getOrElse(catalogManager.v2SessionCatalog)
       .asTableCatalog
   }
+
+  def failCharType(dt: DataType): Unit = {
+    if (HiveStringType.containsCharType(dt)) {
+      throw new AnalysisException("Cannot use CHAR/VARCHAR type in non-Hive tables.")
 
 Review comment:
   Shall we have a directional warning like `Use STRING type instead of CHAR/VARCHAR type in non-Hive tables.`?

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[GitHub] [spark] dongjoon-hyun commented on a change in pull request #27902: [SPARK-31147][SQL] forbid CHAR/VARCHAR type in non-Hive tables

Posted by GitBox <gi...@apache.org>.
dongjoon-hyun commented on a change in pull request #27902: [SPARK-31147][SQL] forbid CHAR/VARCHAR type in non-Hive tables
URL: https://github.com/apache/spark/pull/27902#discussion_r395443616
 
 

 ##########
 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/connector/catalog/CatalogV2Util.scala
 ##########
 @@ -329,4 +330,18 @@ private[sql] object CatalogV2Util {
       .getOrElse(catalogManager.v2SessionCatalog)
       .asTableCatalog
   }
+
+  def failCharType(dt: DataType): Unit = {
+    if (HiveStringType.containsCharType(dt)) {
 
 Review comment:
   Thank you!

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[GitHub] [spark] dongjoon-hyun commented on issue #27902: [SPARK-31147][SQL] forbid CHAR/VARCHAR type in non-Hive tables

Posted by GitBox <gi...@apache.org>.
dongjoon-hyun commented on issue #27902: [SPARK-31147][SQL] forbid CHAR/VARCHAR type in non-Hive tables
URL: https://github.com/apache/spark/pull/27902#issuecomment-598801531
 
 
   BTW, @cloud-fan . I updated the PR description to give both examples of 2.4.5 and 3.0.0-preview2 to be fair.

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[GitHub] [spark] viirya commented on a change in pull request #27902: [SPARK-31147][SQL] Forbid CHAR type in non-Hive-Serde tables

Posted by GitBox <gi...@apache.org>.
viirya commented on a change in pull request #27902: [SPARK-31147][SQL] Forbid CHAR type in non-Hive-Serde tables
URL: https://github.com/apache/spark/pull/27902#discussion_r397610129
 
 

 ##########
 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/connector/catalog/CatalogV2Util.scala
 ##########
 @@ -329,4 +331,19 @@ private[sql] object CatalogV2Util {
       .getOrElse(catalogManager.v2SessionCatalog)
       .asTableCatalog
   }
+
+  def failCharType(dt: DataType): Unit = {
+    if (HiveStringType.containsCharType(dt)) {
+      throw new AnalysisException(
+        "Cannot use CHAR type in non-Hive-Serde tables, please use STRING type instead.")
+    }
+  }
+
+  def assertNoCharTypeInSchema(schema: StructType): Unit = {
+    schema.foreach { f =>
+      if (f.metadata.contains(HIVE_TYPE_STRING)) {
+        failCharType(CatalystSqlParser.parseRawDataType(f.metadata.getString(HIVE_TYPE_STRING)))
+      }
 
 Review comment:
   Can we just disallow char type at parser? Like throwing exception in `visitColType` when we find it?

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[GitHub] [spark] viirya commented on a change in pull request #27902: [SPARK-31147][SQL] Forbid CHAR type in non-Hive-Serde tables

Posted by GitBox <gi...@apache.org>.
viirya commented on a change in pull request #27902: [SPARK-31147][SQL] Forbid CHAR type in non-Hive-Serde tables
URL: https://github.com/apache/spark/pull/27902#discussion_r397639062
 
 

 ##########
 File path: docs/sql-migration-guide.md
 ##########
 @@ -111,6 +111,8 @@ license: |
 
   - Since Spark 3.0, `SHOW CREATE TABLE` will always return Spark DDL, even when the given table is a Hive serde table. For generating Hive DDL, please use `SHOW CREATE TABLE AS SERDE` command instead.
 
+  - Since Spark 3.0, columns of CHAR type is not allowed in non-Hive-Serde tables, and CREATE/ALTER TABLE commands will fail if CHAR type is detected. Please use STRING type instead. In Spark version 2.4 and earlier, CHAR type is treated as STRING type and the length parameter is simply ignored.
 
 Review comment:
   oh, I meant `columns of CHAR type is`.

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[GitHub] [spark] dongjoon-hyun commented on issue #27902: [SPARK-31147][SQL] forbid CHAR/VARCHAR type in non-Hive tables

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   Hi, @rxin . What is your current opinion on this?

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[GitHub] [spark] dongjoon-hyun commented on issue #27902: [SPARK-31147][SQL] Forbid CHAR type in non-Hive-Serde tables

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dongjoon-hyun commented on issue #27902: [SPARK-31147][SQL] Forbid CHAR type in non-Hive-Serde tables
URL: https://github.com/apache/spark/pull/27902#issuecomment-604142540
 
 
   Thank you, @cloud-fan !

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[GitHub] [spark] cloud-fan commented on a change in pull request #27902: [SPARK-31147][SQL] Forbid CHAR type in non-Hive-Serde tables

Posted by GitBox <gi...@apache.org>.
cloud-fan commented on a change in pull request #27902: [SPARK-31147][SQL] Forbid CHAR type in non-Hive-Serde tables
URL: https://github.com/apache/spark/pull/27902#discussion_r397625011
 
 

 ##########
 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/connector/catalog/CatalogV2Util.scala
 ##########
 @@ -329,4 +331,19 @@ private[sql] object CatalogV2Util {
       .getOrElse(catalogManager.v2SessionCatalog)
       .asTableCatalog
   }
+
+  def failCharType(dt: DataType): Unit = {
+    if (HiveStringType.containsCharType(dt)) {
+      throw new AnalysisException(
+        "Cannot use CHAR type in non-Hive-Serde tables, please use STRING type instead.")
+    }
+  }
+
+  def assertNoCharTypeInSchema(schema: StructType): Unit = {
+    schema.foreach { f =>
+      if (f.metadata.contains(HIVE_TYPE_STRING)) {
+        failCharType(CatalystSqlParser.parseRawDataType(f.metadata.getString(HIVE_TYPE_STRING)))
+      }
 
 Review comment:
   We only forbid CHAR in non-Hive-Serde tables.

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URL: https://github.com/apache/spark/pull/27902#issuecomment-598717198
 
 
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[GitHub] [spark] viirya commented on a change in pull request #27902: [SPARK-31147][SQL] Forbid CHAR type in non-Hive-Serde tables

Posted by GitBox <gi...@apache.org>.
viirya commented on a change in pull request #27902: [SPARK-31147][SQL] Forbid CHAR type in non-Hive-Serde tables
URL: https://github.com/apache/spark/pull/27902#discussion_r397606686
 
 

 ##########
 File path: docs/sql-migration-guide.md
 ##########
 @@ -111,6 +111,8 @@ license: |
 
   - Since Spark 3.0, `SHOW CREATE TABLE` will always return Spark DDL, even when the given table is a Hive serde table. For generating Hive DDL, please use `SHOW CREATE TABLE AS SERDE` command instead.
 
+  - Since Spark 3.0, columns of CHAR type is not allowed in non-Hive-Serde tables, and CREATE/ALTER TABLE commands will fail if CHAR type is detected. Please use STRING type instead. In Spark version 2.4 and earlier, CHAR type is treated as STRING type and the length parameter is simply ignored.
 
 Review comment:
   nit: is -> are

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[GitHub] [spark] cloud-fan commented on a change in pull request #27902: [SPARK-31147][SQL] forbid CHAR/VARCHAR type in non-Hive tables

Posted by GitBox <gi...@apache.org>.
cloud-fan commented on a change in pull request #27902: [SPARK-31147][SQL] forbid CHAR/VARCHAR type in non-Hive tables
URL: https://github.com/apache/spark/pull/27902#discussion_r395439533
 
 

 ##########
 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/connector/catalog/CatalogV2Util.scala
 ##########
 @@ -329,4 +330,18 @@ private[sql] object CatalogV2Util {
       .getOrElse(catalogManager.v2SessionCatalog)
       .asTableCatalog
   }
+
+  def failCharType(dt: DataType): Unit = {
+    if (HiveStringType.containsCharType(dt)) {
 
 Review comment:
   Yea, will update it today.

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   the conflict is caused by that 3.0 doesn't have REPLACE COLUMN. It's easy to fix, I've backported to 3.0 with local test passing

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[GitHub] [spark] dongjoon-hyun commented on a change in pull request #27902: [SPARK-31147][SQL] forbid CHAR/VARCHAR type in non-Hive tables

Posted by GitBox <gi...@apache.org>.
dongjoon-hyun commented on a change in pull request #27902: [SPARK-31147][SQL] forbid CHAR/VARCHAR type in non-Hive tables
URL: https://github.com/apache/spark/pull/27902#discussion_r395437790
 
 

 ##########
 File path: sql/catalyst/src/main/scala/org/apache/spark/sql/connector/catalog/CatalogV2Util.scala
 ##########
 @@ -329,4 +330,18 @@ private[sql] object CatalogV2Util {
       .getOrElse(catalogManager.v2SessionCatalog)
       .asTableCatalog
   }
+
+  def failCharType(dt: DataType): Unit = {
+    if (HiveStringType.containsCharType(dt)) {
 
 Review comment:
   Shall we revise this PR to ban `CHAR` only?

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SparkQA commented on issue #27902: [SPARK-31147][SQL] Forbid CHAR type in non-Hive-Serde tables
URL: https://github.com/apache/spark/pull/27902#issuecomment-603889204
 
 
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[GitHub] [spark] cloud-fan commented on issue #27902: [SPARK-31147][SQL] forbid CHAR type in non-Hive-Serde tables

Posted by GitBox <gi...@apache.org>.
cloud-fan commented on issue #27902: [SPARK-31147][SQL] forbid CHAR type in non-Hive-Serde tables
URL: https://github.com/apache/spark/pull/27902#issuecomment-603132601
 
 
   retest this please

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[GitHub] [spark] cloud-fan commented on a change in pull request #27902: [SPARK-31147][SQL] Forbid CHAR type in non-Hive-Serde tables

Posted by GitBox <gi...@apache.org>.
cloud-fan commented on a change in pull request #27902: [SPARK-31147][SQL] Forbid CHAR type in non-Hive-Serde tables
URL: https://github.com/apache/spark/pull/27902#discussion_r397624892
 
 

 ##########
 File path: docs/sql-migration-guide.md
 ##########
 @@ -111,6 +111,8 @@ license: |
 
   - Since Spark 3.0, `SHOW CREATE TABLE` will always return Spark DDL, even when the given table is a Hive serde table. For generating Hive DDL, please use `SHOW CREATE TABLE AS SERDE` command instead.
 
+  - Since Spark 3.0, columns of CHAR type is not allowed in non-Hive-Serde tables, and CREATE/ALTER TABLE commands will fail if CHAR type is detected. Please use STRING type instead. In Spark version 2.4 and earlier, CHAR type is treated as STRING type and the length parameter is simply ignored.
 
 Review comment:
   I think `the length parameter is` is correct in English.

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[GitHub] [spark] cloud-fan commented on issue #27902: [SPARK-31147][SQL] forbid CHAR type in non-Hive-Serde tables

Posted by GitBox <gi...@apache.org>.
cloud-fan commented on issue #27902: [SPARK-31147][SQL] forbid CHAR type in non-Hive-Serde tables
URL: https://github.com/apache/spark/pull/27902#issuecomment-603037661
 
 
   retest this please

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[GitHub] [spark] cloud-fan commented on issue #27902: [SPARK-31147][SQL] forbid CHAR/VARCHAR type in non-Hive tables

Posted by GitBox <gi...@apache.org>.
cloud-fan commented on issue #27902: [SPARK-31147][SQL] forbid CHAR/VARCHAR type in non-Hive tables
URL: https://github.com/apache/spark/pull/27902#issuecomment-598625594
 
 
   cc @dongjoon-hyun @HeartSaVioR @HyukjinKwon 

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[GitHub] [spark] dongjoon-hyun commented on a change in pull request #27902: [SPARK-31147][SQL] forbid CHAR/VARCHAR type in non-Hive tables

Posted by GitBox <gi...@apache.org>.
dongjoon-hyun commented on a change in pull request #27902: [SPARK-31147][SQL] forbid CHAR/VARCHAR type in non-Hive tables
URL: https://github.com/apache/spark/pull/27902#discussion_r392330746
 
 

 ##########
 File path: docs/sql-migration-guide.md
 ##########
 @@ -334,14 +334,16 @@ license: |
   - Since Spark 3.0, `SHOW CREATE TABLE` will always return Spark DDL, even when the given table is a Hive serde table. For generating Hive DDL, please use `SHOW CREATE TABLE AS SERDE` command instead.
 
   - Since Spark 3.0, we upgraded the built-in Hive from 1.2 to 2.3 and it brings following impacts:
-  
+
     - You may need to set `spark.sql.hive.metastore.version` and `spark.sql.hive.metastore.jars` according to the version of the Hive metastore you want to connect to.
   For example: set `spark.sql.hive.metastore.version` to `1.2.1` and `spark.sql.hive.metastore.jars` to `maven` if your Hive metastore version is 1.2.1.
-  
+
     - You need to migrate your custom SerDes to Hive 2.3 or build your own Spark with `hive-1.2` profile. See HIVE-15167 for more details.
 
     - The decimal string representation can be different between Hive 1.2 and Hive 2.3 when using `TRANSFORM` operator in SQL for script transformation, which depends on hive's behavior. In Hive 1.2, the string representation omits trailing zeroes. But in Hive 2.3, it is always padded to 18 digits with trailing zeroes if necessary.
 
+  - Since Spark 3.0, columns of CHAR/VARCHAR type are not allowed in non-Hive tables, and CREATE/ALTER TABLE commands will fail if CHAR/VARCHAR type is detected. In Spark version 2.4 and earlier, CHAR/VARCHAR type are treated as STRING type and the length parameter is simply ignored.
 
 Review comment:
   BTW, `VARCHAR` is a little different and have more official documents. Could you check them together?
   ```
   $ git grep 'CHAR'
   sql-data-sources-jdbc.md:     The database column data types to use instead of the defaults, when creating the table. Data type information should be specified in the same format as CREATE TABLE columns syntax (e.g: <code>"name CHAR(64), comments VARCHAR(1024)")</code>. The specified types should be valid spark sql data types. This option applies only to writing.
   sql-ref-syntax-aux-describe-table.md:    state VARCHAR(20),
   sql-ref-syntax-aux-show-columns.md:  name VARCHAR(100),
   sql-ref-syntax-aux-show-tblproperties.md:CREATE TABLE customer(cust_code INT, name VARCHAR(100), cust_addr STRING)
   sql-ref-syntax-dml-insert-into.md: CREATE TABLE students (name VARCHAR(64), address VARCHAR(64), student_id INT)
   sql-ref-syntax-dml-load.md: CREATE TABLE test_load (name VARCHAR(64), address VARCHAR(64), student_id INT);
   ```

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[GitHub] [spark] dongjoon-hyun closed pull request #27902: [SPARK-31147][SQL] Forbid CHAR type in non-Hive-Serde tables

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dongjoon-hyun closed pull request #27902: [SPARK-31147][SQL] Forbid CHAR type in non-Hive-Serde tables
URL: https://github.com/apache/spark/pull/27902
 
 
   

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Posted by GitBox <gi...@apache.org>.
SparkQA commented on issue #27902: [SPARK-31147][SQL] forbid CHAR/VARCHAR type in non-Hive tables
URL: https://github.com/apache/spark/pull/27902#issuecomment-598808238
 
 
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[GitHub] [spark] cloud-fan commented on issue #27902: [SPARK-31147][SQL] forbid CHAR type in non-Hive-Serde tables

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cloud-fan commented on issue #27902: [SPARK-31147][SQL] forbid CHAR type in non-Hive-Serde tables
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   retest this please

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[GitHub] [spark] dongjoon-hyun commented on issue #27902: [SPARK-31147][SQL] forbid CHAR type in non-Hive-Serde tables

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dongjoon-hyun commented on issue #27902: [SPARK-31147][SQL] forbid CHAR type in non-Hive-Serde tables
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   Retest this please.

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[GitHub] [spark] dongjoon-hyun commented on issue #27902: [SPARK-31147][SQL] Forbid CHAR type in non-Hive-Serde tables

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dongjoon-hyun commented on issue #27902: [SPARK-31147][SQL] Forbid CHAR type in non-Hive-Serde tables
URL: https://github.com/apache/spark/pull/27902#issuecomment-603942303
 
 
   Hi, @cloud-fan . There was a conflict on branch-3.0. Could you make a backporting PR, please?

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AmplabJenkins commented on issue #27902: [SPARK-31147][SQL] Forbid CHAR type in non-Hive-Serde tables
URL: https://github.com/apache/spark/pull/27902#issuecomment-603890515
 
 
   Test PASSed.
   Refer to this link for build results (access rights to CI server needed): 
   https://amplab.cs.berkeley.edu/jenkins//job/SparkPullRequestBuilder/120328/
   Test PASSed.

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