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  1. Calcite
  2. CALCITE-6283

Function ARRAY_APPEND with a NULL array argument crashes with NullPointerException

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    Description

      The following test added to SqlOperatorTest:

      f.checkNull("array_append(null, 2)");

      causes Calcite to crash with the following stack trace:

      java.lang.NullPointerException: componentType is null for NULL

	at java.base/java.util.Objects.requireNonNull(Objects.java:347)
	at org.apache.calcite.sql.type.NonNullableAccessors.getComponentTypeOrThrow(NonNullableAccessors.java:52)
	at org.apache.calcite.sql.type.ArrayElementOperandTypeChecker.checkOperandTypes(ArrayElementOperandTypeChecker.java:49)
	at org.apache.calcite.sql.SqlOperator.checkOperandTypes(SqlOperator.java:761)
	at org.apache.calcite.sql.SqlOperator.validateOperands(SqlOperator.java:498)
	at org.apache.calcite.sql.SqlFunction.deriveType(SqlFunction.java:347)
	at org.apache.calcite.sql.SqlFunction.deriveType(SqlFunction.java:231)

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          Web Link GitHub Pull Request #3706

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              mbudiu Mihai Budiu
              mbudiu Mihai Budiu
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                Updated:
                Resolved: