dawidwys commented on code in PR #22730:
URL: https://github.com/apache/flink/pull/22730#discussion_r1242194435
##########
flink-table/flink-table-planner/src/test/java/org/apache/flink/table/planner/functions/CollectionFunctionsITCase.java:
##########
@@ -479,4 +480,165 @@ private Stream<TestSetSpec> arrayUnionTestCases() {
"Invalid input arguments. Expected signatures
are:\n"
+ "ARRAY_UNION(<COMMON>, <COMMON>)"));
}
+
+ private Stream<TestSetSpec> arrayMaxTestCases() {
+ return Stream.of(
+ TestSetSpec.forFunction(BuiltInFunctionDefinitions.ARRAY_MAX)
+ .onFieldsWithData(
+ new Integer[] {1, 2, null},
+ null,
+ new Double[] {1.2, null, 3.4, 8.0},
+ new String[] {"a", null, "bc", "d", "def"},
+ new Row[] {
+ Row.of(true, LocalDate.of(2022, 4, 20)),
+ Row.of(true, LocalDate.of(1990, 10, 14)),
+ null
+ },
+ new Map[] {
+ CollectionUtil.map(entry(1, "a"), entry(2,
"b")),
+ CollectionUtil.map(entry(3, "c"), entry(4,
"d")),
+ null
+ },
+ new Integer[][] {{1, 2, 3}, {4, 5, 6}, {7, 8,
9}, null},
+ new Row[] {
+ Row.of(LocalDate.of(2022, 4, 20)),
+ Row.of(LocalDate.of(1990, 10, 14)),
+ Row.of(LocalDate.of(2022, 4, 20)),
+ Row.of(LocalDate.of(1990, 10, 14)),
+ Row.of(LocalDate.of(2022, 4, 20)),
+ Row.of(LocalDate.of(1990, 10, 14)),
+ null
+ },
+ new Boolean[] {true, false, true, false, true,
null},
+ new Row[] {
+ Row.of(true),
+ Row.of(false),
+ Row.of(true),
+ Row.of(false),
+ Row.of(true),
+ Row.of(false),
+ null
+ },
+ new Row[] {
+ Row.of(1), Row.of(2), Row.of(8),
Row.of(4), Row.of(5),
+ Row.of(8), null
+ },
+ 1,
+ 1.5,
+ "abc",
+ new Integer[][] {{1, 2}, {2, 3}, null},
+ new LocalDate[] {
+ LocalDate.of(2022, 1, 2),
+ LocalDate.of(2023, 4, 21),
+ LocalDate.of(2022, 12, 24),
+ LocalDate.of(2026, 2, 10),
+ LocalDate.of(2012, 5, 16),
+ LocalDate.of(2092, 7, 19)
+ })
+ .andDataTypes(
+ DataTypes.ARRAY(DataTypes.INT()),
+ DataTypes.ARRAY(DataTypes.INT()),
+ DataTypes.ARRAY(DataTypes.DOUBLE()),
+ DataTypes.ARRAY(DataTypes.STRING()),
+ DataTypes.ARRAY(
+ DataTypes.ROW(DataTypes.BOOLEAN(),
DataTypes.DATE())),
+ DataTypes.ARRAY(DataTypes.MAP(DataTypes.INT(),
DataTypes.STRING())),
+
DataTypes.ARRAY(DataTypes.ARRAY(DataTypes.INT())),
+
DataTypes.ARRAY(DataTypes.ROW(DataTypes.DATE())),
+ DataTypes.ARRAY(DataTypes.BOOLEAN()),
+
DataTypes.ARRAY(DataTypes.ROW(DataTypes.BOOLEAN())),
+
DataTypes.ARRAY(DataTypes.ROW(DataTypes.INT())),
+ DataTypes.INT().notNull(),
+ DataTypes.DOUBLE().notNull(),
+ DataTypes.STRING().notNull(),
+
DataTypes.ARRAY(DataTypes.ARRAY(DataTypes.INT())),
+ DataTypes.ARRAY(DataTypes.DATE()))
+ .testResult($("f0").arrayMax(), "ARRAY_MAX(f0)", 2,
DataTypes.INT())
+ .testResult($("f1").arrayMax(), "ARRAY_MAX(f1)", null,
DataTypes.INT())
+ .testResult($("f2").arrayMax(), "ARRAY_MAX(f2)", 8.0,
DataTypes.DOUBLE())
+ .testResult($("f3").arrayMax(), "ARRAY_MAX(f3)",
"def", DataTypes.STRING())
+ .testResult(
+ $("f15").arrayMax(),
+ "ARRAY_MAX(f15)",
+ LocalDate.of(2092, 7, 19),
+ DataTypes.DATE())
+ .testSqlValidationError(
+ "ARRAY_MAX(f4)",
+ "SQL validation failed. Invalid function
call:\n"
+ + "ARRAY_MAX(ARRAY<ROW<`f0` BOOLEAN,
`f1` DATE>>")
+ .testTableApiValidationError(
+ $("f4").arrayMax(),
+ "Invalid function call:\n"
+ + "ARRAY_MAX(ARRAY<ROW<`f0` BOOLEAN,
`f1` DATE>>")
+ .testSqlValidationError(
+ "ARRAY_MAX(f5)",
+ "SQL validation failed. Invalid function
call:\n"
+ + "ARRAY_MAX(ARRAY<MAP<INT, STRING>>")
+ .testTableApiValidationError(
+ $("f5").arrayMax(),
+ "Invalid function call:\n" +
"ARRAY_MAX(ARRAY<MAP<INT, STRING>>)")
+ .testSqlValidationError(
+ "ARRAY_MAX(f6)",
+ "SQL validation failed. Invalid function
call:\n"
+ + "ARRAY_MAX(ARRAY<ARRAY<INT>>)")
+ .testTableApiValidationError(
+ $("f6").arrayMax(),
+ "Invalid function call:\n" +
"ARRAY_MAX(ARRAY<ARRAY<INT>>)")
+ .testSqlValidationError(
Review Comment:
why is this invalid? I guess, because there is no coverage for `constructed`
types in the input strategy, right?
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