twalthr commented on a change in pull request #17658:
URL: https://github.com/apache/flink/pull/17658#discussion_r743516392
##########
File path:
flink-table/flink-table-planner/src/test/java/org/apache/flink/table/planner/functions/casting/CastRulesTest.java
##########
@@ -60,39 +112,142 @@
.fromCase(SMALLINT(), (short) 10, 10L)
.fromCase(TINYINT(), (byte) 10, 10L),
CastTestSpecBuilder.testCastTo(STRING())
+ .fromCase(STRING(), null, null)
+ .fromCase(
+ CHAR(3), StringData.fromString("foo"),
StringData.fromString("foo"))
+ .fromCase(
+ VARCHAR(5),
+ StringData.fromString("Flink"),
+ StringData.fromString("Flink"))
+ .fromCase(
+ VARCHAR(10),
+ StringData.fromString("Flink"),
+ StringData.fromString("Flink"))
+ .fromCase(
+ STRING(),
+ StringData.fromString("Apache Flink"),
+ StringData.fromString("Apache Flink"))
+ .fromCase(BOOLEAN(), true,
StringData.fromString("true"))
+ .fromCase(BOOLEAN(), false,
StringData.fromString("false"))
+ .fromCase(
+ BINARY(2), new byte[] {0, 1},
StringData.fromString("\u0000\u0001"))
+ .fromCase(
+ VARBINARY(3),
+ new byte[] {0, 1, 2},
+ StringData.fromString("\u0000\u0001\u0002"))
+ .fromCase(
+ VARBINARY(5),
+ new byte[] {0, 1, 2},
+ StringData.fromString("\u0000\u0001\u0002"))
+ .fromCase(
+ BYTES(),
+ new byte[] {0, 1, 2, 3, 4},
+
StringData.fromString("\u0000\u0001\u0002\u0003\u0004"))
+ .fromCase(
+ DECIMAL(4, 3),
+ DecimalData.fromBigDecimal(new
BigDecimal("9.87"), 4, 3),
+ StringData.fromString("9.870"))
+ .fromCase(
+ DECIMAL(5, 3),
+ DecimalData.fromBigDecimal(new
BigDecimal("9.87"), 5, 3),
+ StringData.fromString("9.870"))
Review comment:
ignore this comment
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