akashrn5 commented on a change in pull request #3436: [WIP]Geospatial Support: Modified to create and load table with invisible dimension sort column
URL:
https://github.com/apache/carbondata/pull/3436#discussion_r345030185
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File path: integration/spark-common/src/main/scala/org/apache/spark/sql/catalyst/CarbonDDLSqlParser.scala
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@@ -268,6 +309,151 @@ abstract class CarbonDDLSqlParser extends AbstractCarbonSparkSQLParser {
}
}
+ /**
+ * The method parses, validates and processes the index_handler property.
+ *
+ * @param tableProperties Table properties
+ * @param tableFields Sequence of table fields
+ * @return <Seq[Field]> Sequence of table fields
+ *
+ */
+ private def processIndexProperty(tableProperties: mutable.Map[String, String],
+ tableFields: Seq[Field]): Seq[Field] = {
+ val option = tableProperties.get(CarbonCommonConstants.INDEX_HANDLER)
+ val fields = ListBuffer[Field]()
+ if (option.isDefined) {
+ if (option.get.isEmpty) {
+ throw new MalformedCarbonCommandException(
+ s"Carbon ${CarbonCommonConstants.INDEX_HANDLER} property is invalid. " +
+ s"Option value is empty.")
+ }
+
+ val handlers = option.get.split(",")
+ handlers.foreach { e =>
+ /* Validate target column name */
+ if (tableFields.exists(_.column.equalsIgnoreCase(e))) {
+ throw new MalformedCarbonCommandException(
+ s"Carbon ${CarbonCommonConstants.INDEX_HANDLER} property is invalid. " +
+ s"handler value : $e is not allowed. It matches with another column name in table. " +
+ s"Cannot create column with it.")
+ }
+
+ val sourceColumnsOption = tableProperties.get(
+ CarbonCommonConstants.INDEX_HANDLER + s".$e.sourcecolumns")
+ if (sourceColumnsOption.isEmpty) {
+ throw new MalformedCarbonCommandException(
+ s"Carbon ${CarbonCommonConstants.INDEX_HANDLER} property is invalid. " +
+ s"${CarbonCommonConstants.INDEX_HANDLER}.$e.sourcecolumns property is not specified.")
+ } else if (sourceColumnsOption.get.isEmpty) {
+ throw new MalformedCarbonCommandException(
+ s"Carbon ${CarbonCommonConstants.INDEX_HANDLER} property is invalid. " +
+ s"${CarbonCommonConstants.INDEX_HANDLER}.$e.sourcecolumns property cannot be empty.")
+ }
+
+ /* Validate source columns */
+ val sources = sourceColumnsOption.get.split(",")
+ if (sources.distinct.length != sources.size) {
+ throw new MalformedCarbonCommandException(
Review comment:
here better to print duplicate column in error message, you can refer org.apache.carbondata.spark.util.CarbonScalaUtil#validateLocalDictionaryColumns and can change logic like that.
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