pengzhiwei2018 commented on a change in pull request #3393:
URL: https://github.com/apache/hudi/pull/3393#discussion_r682235910
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File path:
hudi-spark-datasource/hudi-spark/src/main/scala/org/apache/spark/sql/hudi/analysis/HoodieAnalysis.scala
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@@ -268,7 +269,25 @@ case class HoodieResolveReferences(sparkSession:
SparkSession) extends Rule[Logi
} else {
l
}
-
+ // Fill schema for Create Table without specify schema info
+ case c @ CreateTable(tableDesc, _, _)
+ if isHoodieTable(tableDesc) =>
+ val tablePath = getTableLocation(c.tableDesc, sparkSession)
+ .getOrElse(s"Missing location defined in table
${c.tableDesc.identifier}")
+ val metaClient = HoodieTableMetaClient.builder()
+ .setBasePath(tablePath)
+ .setConf(sparkSession.sessionState.newHadoopConf())
+ .build()
+ val tableSchema =
HoodieSqlUtils.getTableSqlSchema(metaClient).map(HoodieSqlUtils.addMetaFields)
+ if (tableSchema.isDefined && tableDesc.schema.isEmpty) {
+ // Fill the schema with the schema from the table
+ c.copy(tableDesc.copy(schema = tableSchema.get))
+ } else if (tableSchema.isDefined && tableDesc.schema !=
tableSchema.get) {
Review comment:
well, In scala, we usually use "=" or "!=" test compile two object.
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