walterddr commented on a change in pull request #8248: [FLINK-12309][JDBC]
JDBCOoutputFormat and JDBCAppendTableSink float behavior is not align
URL: https://github.com/apache/flink/pull/8248#discussion_r279414601
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File path:
flink-connectors/flink-jdbc/src/test/java/org/apache/flink/api/java/io/jdbc/JDBCOutputFormatTest.java
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@@ -133,6 +133,32 @@ public void testExceptionOnInvalidType() throws
IOException {
jdbcOutputFormat.writeRecord(row);
}
+ @Test(expected = RuntimeException.class)
+ public void testCastFloatToDoubleType() throws IOException {
+ jdbcOutputFormat = JDBCOutputFormat.buildJDBCOutputFormat()
+ .setDrivername(DRIVER_CLASS)
+ .setDBUrl(DB_URL)
+ .setQuery(String.format(INSERT_TEMPLATE, INPUT_TABLE))
+ .setSqlTypes(new int[] {
+ Types.INTEGER,
+ Types.VARCHAR,
+ Types.VARCHAR,
+ Types.FLOAT,
+ Types.VARCHAR})
+ .finish();
+ jdbcOutputFormat.open(0, 1);
+
+ Row row = new Row(5);
+ row.setField(0, 4);
+ row.setField(1, "hello");
+ row.setField(2, "world");
+ row.setField(3, 0.99f); // jdbcOutputFormat will cast float to
double
Review comment:
I usually avoid trailing comments (it's already pretty self-explanatory from
your test function name
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