Gabriel39 commented on a change in pull request #6996:
URL: https://github.com/apache/incubator-doris/pull/6996#discussion_r741591615
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File path: fe/fe-core/src/main/java/org/apache/doris/load/Load.java
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@@ -758,6 +764,22 @@ public static void checkAndCreateSource(Database db,
DataDescription dataDescrip
// do nothing
}
+ } else if (!column.isVisible()) {
+ /*
+ * For batch delete table add hidden column
__DORIS_DELETE_SIGN__ to columns
+ * eg:
+ * (A, B, C)
+ * ->
+ * (A, B, C) SET (__DORIS_DELETE_SIGN__ = 0)
+ */
+ columnToHadoopFunction.put(column.getName(),
Pair.create("default_value", Lists.newArrayList("0")));
+ ImportColumnDesc importColumnDesc = null;
+ try {
+ importColumnDesc = new
ImportColumnDesc(column.getName(), new FunctionCallExpr("default_value",
Arrays.asList(column.getDefaultValueExpr())));
Review comment:
I think it's better to extract `default_value ` to a common constant to
decrease hard code
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