[SPARK-51521] Add integral/floating/string/date type test and answer files

Author: dongjoon-hyun

Tests/SparkConnectTests/Resources/queries/date.sql

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+SELECT DATE '2025-03-15'

Tests/SparkConnectTests/Resources/queries/date.sql.json

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+[["2025-03-15 00:00:00 +0000"]]

Tests/SparkConnectTests/Resources/queries/floating.sql

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+SELECT
+1.0F, -2.0F,
+3.0D, -4.0D,
+float('inf'), float('NaN'),
+double('inf'), double('NaN')

Tests/SparkConnectTests/Resources/queries/floating.sql.json

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+[["1.0","-2.0","3.0","-4.0","inf","nan","inf","nan"]]

Tests/SparkConnectTests/Resources/queries/integral.sql

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+SELECT
+127Y, -128Y,
+32767S, -32768S,
+2147483647, -2147483648,
+9223372036854775807L, -9223372036854775808L

Tests/SparkConnectTests/Resources/queries/integral.sql.json

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+[["127","-128","32767","-32768","2147483647","-2147483648","9223372036854775807","-9223372036854775808"]]

Tests/SparkConnectTests/Resources/queries/string.sql

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+SELECT 'abc', 'def'

Tests/SparkConnectTests/Resources/queries/string.sql.json

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+[["abc","def"]]