zstan commented on code in PR #13543:
URL: https://github.com/apache/ignite/pull/13543#discussion_r3924678307
##########
modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/exec/exp/IgniteTableFunction.java:
##########
@@ -132,4 +145,43 @@ private static void raiseValidationError(Method method,
String errPostfix) {
throw new IgniteSQLException("Unable to create table function for
method '" + mtdSign + "'. " + errPostfix);
}
+
+ /** Returns function parameters represented as SQL types where required. */
+ private static List<FunctionParameter> sqlParameters(Method method,
List<FunctionParameter> functionParameters) {
+ var res = new ArrayList<>(functionParameters);
+
+ for (int i = 0; i < method.getParameterTypes().length; i++) {
+ if (method.getParameterTypes()[i] == byte[].class)
+ res.set(i, sqlBinaryParameter(res.get(i)));
+ }
+
+ return Collections.unmodifiableList(res);
+ }
+
+ /** Prevents Calcite from evaluating binary literals while deriving a
table function row type. */
+ private static FunctionParameter sqlBinaryParameter(FunctionParameter
delegate) {
Review Comment:
I prefer to revise this approach, if it\`s hard to implement now - let\`s
fill an additional issue, thanks !
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