Implement method="csv" serialization (BaseX-inspired)#12
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Implement method="csv" serialization (BaseX-inspired)#12
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Add a CSV output method for fn:serialize(), modelled on BaseX's csv serialization extension (https://docs.basex.org/13/XQuery_Extensions#serialization). This is not part of any W3C specification. Features: - Configurable field/row delimiters and quote character - csv-header parameter for optional column headers - csv-quotes: needed/all/none quoting strategies - Array items become fields, sequence items become rows - Map values as rows with keys as headers Test: csvSerializer.xql — XQSuite tests for CSV output. Reference: https://docs.basex.org/13/XQuery_Extensions#serialization Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Completes the CSV serialization feature: - Add CSV_* string constants to EXistOutputKeys - Register CSV serialization parameters in SerializerUtils (field/row delimiters, quote char, header, quotes strategy) and map method="csv" to media type text/csv - Route method="csv" to CSVSerializer in XQuerySerializer dispatch and exclude csv from the XML normalization path (isXmlMethod) - Remove unused outputProperties field from CSVSerializer Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
Implements a CSV output method for
fn:serialize(), modelled on BaseX's csv serialization extension. This is not part of any W3C specification.This was extracted from
v2/serialization-compliance(PR eXist-db#6219) where it was incorrectly attributed to the QT4 Serialization spec. Keeping here as a joewiz/exist draft PR for evaluation before deciding whether to open upstream.What Changed
EXistOutputKeys.java— addCSV_*string constantsSerializerUtils.java— register CSV serialization parameters (csv.field-delimiter,csv.row-delimiter,csv.quote-character,csv.header,csv.quotes) and mapmethod="csv"→text/csvCSVSerializer.java(new) — CSV serializer implementationXQuerySerializer.java— routemethod="csv"toCSVSerializer; exclude from XML normalization pathcsvSerializer.xql(new) — XQSuite testsReference