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[SPARK-50692][SQL][FOLLOWUP] Add the LPAD and RPAD pushdown support for H2 #50068

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[SPARK-50692][SQL][FOLLOWUP] Add the LPAD and RPAD pushdown support for H2 #50068

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2 changes: 1 addition & 1 deletion sql/core/src/main/scala/org/apache/spark/sql/jdbc/H2Dialect.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -52,7 +52,7 @@ private[sql] case class H2Dialect() extends JdbcDialect with NoLegacyJDBCError {
"POWER", "SQRT", "FLOOR", "CEIL", "ROUND", "SIN", "SINH", "COS", "COSH", "TAN",
"TANH", "COT", "ASIN", "ACOS", "ATAN", "ATAN2", "DEGREES", "RADIANS", "SIGN",
"PI", "SUBSTRING", "UPPER", "LOWER", "TRANSLATE", "TRIM", "MD5", "SHA1", "SHA2",
"BIT_LENGTH", "CHAR_LENGTH", "CONCAT")
"BIT_LENGTH", "CHAR_LENGTH", "CONCAT", "RPAD", "LPAD")

override def isSupportedFunction(funcName: String): Boolean =
supportedFunctions.contains(funcName)
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10 changes: 10 additions & 0 deletions sql/core/src/test/scala/org/apache/spark/sql/jdbc/JDBCV2Suite.scala
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Expand Up @@ -1922,6 +1922,16 @@ class JDBCV2Suite extends QueryTest with SharedSparkSession with ExplainSuiteHel
checkFiltersRemoved(df8)
checkPushedInfo(df8, "[(CONCAT(NAME, ',', CAST(SALARY AS string))) = 'cathy,9000.00']")
checkAnswer(df8, Seq(Row(1, "cathy", 9000, 1200, false)))

val df9 = sql("SELECT * FROM h2.test.employee WHERE " +
"lpad(name, 5, '*') = '**amy'")
checkPushedInfo(df9, "[NAME IS NOT NULL, (LPAD(NAME, 5, '*')) = '**amy']")
checkAnswer(df9, Seq(Row(1, "amy", 10000, 1000, true)))

val df10 = sql("SELECT * FROM h2.test.employee WHERE " +
"rpad(name, 5, '*') = 'jen**'")
checkPushedInfo(df10, "[NAME IS NOT NULL, (RPAD(NAME, 5, '*')) = 'jen**']")
checkAnswer(df10, Seq(Row(6, "jen", 12000, 1200, true)))
}

test("scan with aggregate push-down: MAX AVG with filter and group by") {
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