[HUDI-7423] Support table type name incase-sensitive when create table in sparksql

[xuzifu666]

Change Logs

Support table type name incase-sensitive when create table in sparksql.

When many user create table would set table.type = MOR/Mor/Cow/COW according to Hudi document，like：

CREATE TABLE hudi_test.hudi_test29 (
  app_id STRING COMMENT '应用id',
  message_id STRING COMMENT '消息id',
  dt INT,
  from STRING,
  day STRING COMMENT '日期分区',
  hour INT COMMENT '小时分区'
)using hudi
tblproperties (
  'primaryKey' = 'app_id,message_id',
  'type' = 'MOR',
  'preCombineField'='dt',
  'hoodie.index.type' = 'BUCKET',
  'hoodie.bucket.index.hash.field' = 'app_id,message_id',
  'hoodie.bucket.index.num.buckets'=256,
  'hoodie.datasource.hive_sync.table.strategy'='RT'
)
PARTITIONED BY (day,hour);

it would occur error as: 

java.lang.IllegalArgumentException: No enum constant org.apache.hudi.common.model.HoodieTableType.MOR
    at java.lang.Enum.valueOf(Enum.java:238)
    at org.apache.hudi.common.model.HoodieTableType.valueOf(HoodieTableType.java:30)
    at org.apache.hudi.common.table.HoodieTableMetaClient$PropertyBuilder.setTableType(HoodieTableMetaClient.java:833)
    at org.apache.hudi.common.table.HoodieTableMetaClient$PropertyBuilder.fromProperties(HoodieTableMetaClient.java:1009)
    at org.apache.spark.sql.catalyst.catalog.HoodieCatalogTable.initHoodieTable(HoodieCatalogTable.scala:219)
    at org.apache.spark.sql.hudi.command.CreateHoodieTableCommand.run(CreateHoodieTableCommand.scala:70)
    at org.apache.spark.sql.execution.command.ExecutedCommandExec.sideEffectResult$lzycompute(commands.scala:80)
    at org.apache.spark.sql.execution.command.ExecutedCommandExec.sideEffectResult(commands.scala:78)
    at org.apache.spark.sql.execution.command.ExecutedCommandExec.executeCollect(commands.scala:89)
    at org.apache.spark.sql.execution.QueryExecution$$anonfun$eagerlyExecuteCommands$1.$anonfun$applyOrElse$1(QueryExecution.scala:110)
    at org.apache.spark.sql.execution.SQLExecution$.$anonfun$withNewExecutionId$5(SQLExecution.scala:103)

It is not friendly to user which must set table=mor/cow for users. So it is better make the config incase-sensitive to users

Impact

low

Risk level (write none, low medium or high below)

low

Documentation Update

Describe any necessary documentation update if there is any new feature, config, or user-facing change

• The config description must be updated if new configs are added or the default value of the configs are changed
• Any new feature or user-facing change requires updating the Hudi website. Please create a Jira ticket, attach the
  ticket number here and follow the instruction to make
  changes to the website.

Contributor's checklist

• Read through contributor's guide
• Change Logs and Impact were stated clearly
• Adequate tests were added if applicable
• CI passed

[hudi-bot]

CI report:

• 3996fa3 Azure: SUCCESS

Bot commands

@hudi-bot supports the following commands:

• @hudi-bot run azure re-run the last Azure build

[bvaradar]

LGTM