#3026 PPL - fieldsummary command
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Signed-off-by: Kenrick Yap <Kenrick.Yap@improving.com>
kenrickyap
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acarbonetto
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Feb 13, 2025
| List<String> includeFields = | ||
| node.getIncludeFields().stream() | ||
| .map(expr -> ((Field) expr).getField().toString()) | ||
| .toList(); |
Collaborator
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you can do your filter and collect to map in your stream, and then return a map.
| Map<String, ExprType> fieldsMap = env.lookupAllFields(Namespace.FIELD_NAME); | ||
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| if (node.getIncludeFields() != null) { | ||
| List<String> includeFields = |
Collaborator
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consider: for each key in fieldsMap, check to see if it's in includedFields, and if not, remove it from the map.
| context.push(); | ||
| TypeEnvironment newEnv = context.peek(); | ||
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| newEnv.define(new Symbol(Namespace.FIELD_NAME, "Field"), ExprCoreType.STRING); |
Collaborator
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consider encapsulating all the types and lists for FieldSummary within a class, like a FieldSummaryAggregationExpression. Then you can define enums for each column, and builders for the analyzer and parser.
Signed-off-by: Kenrick Yap <Kenrick.Yap@improving.com>
Signed-off-by: Kenrick Yap <Kenrick.Yap@improving.com>
kenrickyap
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Description
Implement
fieldsummarycommand. Similar to spark implementation https://github.com/opensearch-project/opensearch-spark/pull/766/files#diff-e70358b83b0ba411a94e8e338f5542f44d184d5dbc49baa08ba41391d8f8ad7dRelated Issues
Resolves #3026
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