Briefly, this error occurs when a DISTINCT clause is used in a query. Elasticsearch does not support the DISTINCT keyword as it is not a relational database. To resolve this issue, you can use the “terms” aggregation to get distinct values. Alternatively, you can use the “cardinality” aggregation to get the count of distinct values. Another option is to use a script to remove duplicates from the results. Remember to always check the syntax and structure of your queries to ensure they are compatible with Elasticsearch.
This guide will help you check for common problems that cause the log ” does not support DISTINCT yet it was specified ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “does not support DISTINCT yet it was specified” class name is SqlFunctionRegistry.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
T build(Source source; Expression expression; DataType dataType);
} private static void forbidDistinct(Source source; Boolean distinct) {
if (distinct != null) {
throw new ParsingException(source; "does not support DISTINCT yet it was specified");
}
}
}
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