jonvex commented on code in PR #9743:
URL: https://github.com/apache/hudi/pull/9743#discussion_r1361268093
##########
hudi-spark-datasource/hudi-spark-common/src/main/scala/org/apache/hudi/HoodieSparkSqlWriter.scala:
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@@ -578,17 +582,25 @@ object HoodieSparkSqlWriter {
} else {
if (!shouldValidateSchemasCompatibility) {
// if no validation is enabled, check for col drop
- // if col drop is allowed, go ahead. if not, check for
projection, so that we do not allow dropping cols
- if (allowAutoEvolutionColumnDrop ||
canProject(latestTableSchema, canonicalizedSourceSchema)) {
+ if (allowAutoEvolutionColumnDrop) {
canonicalizedSourceSchema
} else {
- log.error(
- s"""Incoming batch schema is not compatible with the table's
one.
- |Incoming schema ${sourceSchema.toString(true)}
- |Incoming schema (canonicalized)
${canonicalizedSourceSchema.toString(true)}
- |Table's schema ${latestTableSchema.toString(true)}
- |""".stripMargin)
- throw new SchemaCompatibilityException("Incoming batch schema
is not compatible with the table's one")
+ val reconciledSchema = if (addNullForDeletedColumns) {
+
AvroSchemaEvolutionUtils.reconcileSchema(canonicalizedSourceSchema,
latestTableSchema)
Review Comment:
https://issues.apache.org/jira/browse/HUDI-6947 and deprecated reconcile
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