macroguo-ghy commented on code in PR #3373:
URL: https://github.com/apache/calcite/pull/3373#discussion_r1299376297
##########
core/src/main/java/org/apache/calcite/sql/type/OperandTypes.java:
##########
@@ -510,6 +510,30 @@ public static SqlOperandTypeChecker variadic(
}
};
+ public static final SqlSingleOperandTypeChecker ARRAY_OF_INTEGER =
+ new SqlSingleOperandTypeChecker() {
+ @Override public boolean checkSingleOperandType(SqlCallBinding
callBinding, SqlNode operand,
+ int iFormalOperand, boolean throwOnFailure) {
+ assert 0 == iFormalOperand;
+ RelDataType type = SqlTypeUtil.deriveType(callBinding, operand);
+ RelDataType componentType =
+ requireNonNull(type.getComponentType(), "componentType");
+ if (SqlTypeUtil.isArray(type)
+ && SqlTypeUtil.isIntType(componentType)) {
+ return true;
+ }
+
+ if (throwOnFailure) {
+ throw callBinding.newValidationSignatureError();
+ }
+ return false;
+ }
+
+ @Override public String getAllowedSignatures(SqlOperator op, String
opName) {
+ return opName + "(<INTEGER ARRAY>)";
+ }
+ };
+
Review Comment:
Done.
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