[Coral-Spark] Migrate convertToZeroBasedArrayIndex to SqlNode layer + Remove IRRelToSparkRelTransformer#2
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…former (linkedin#512) * fix redundant transforms/casts * spotless * fix fuzzyunionsqlrewriter incorrect struct type when building structs * remove unused * spotless * spotless
* add precision for int and bigint for hive type system * use static final variables for precisions * spotless check * fix converting type to typespec bug * add UT * add tinyint and smallint precisions * spotless * spotless * spotless * new UTs * add tableInt to rel to trino tests * spotless * remove redundant test
* fix single uniontypes in Coral * remove SingleUnionFieldReferenceTransformer * remove field reference fix to put in separate PR * spotless * update comments * fix comment + add single uniontype test for RelDataTypeToHiveTypeStringConverter * spotless * improve Javadoc for ExtractUnionFunctionTransformer * use html brackets in javadoc
… conversion (linkedin#521) * temp * temp * use coralsqldialect in trino reltosql * Import class not member
…ence on UDF calls (linkedin#510) * fix field reference bug in coral schema * bring back override tag * address nits
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What changes are proposed in this pull request, and why are they necessary?
Changes:
convertToZeroBasedArrayIndexfrom RelNode layer inIRRelToSparkRelTransformerto SqlNode layer.IRRelToSparkRelTransformersinceconvertToZeroBasedArrayIndexwas the last transformation in the RelNode layer of coral-spark.How was this patch tested?