njalan commented on issue #9967:
URL: https://github.com/apache/hudi/issues/9967#issuecomment-1811874964
@ad1happy2go If I have one df with below 3 three records:
+---+----+
| id|name|
+---+----+
| 1| a|
| 2| a|
| 3| c|
+---+----+
Then I run below command and there are 3 records in hudi table:
df.write.format("hudi").
options(getQuickstartWriteConfigs).
option(OPERATION.key(),"insert_overwrite_table").
option(PRECOMBINE_FIELD.key(), "id").
option(RECORDKEY_FIELD.key(), "name").
option(TBL_NAME.key(), tableName).
option(KEYGENERATOR_CLASS_OPT_KEY,
"org.apache.hudi.keygen.NonpartitionedKeyGenerator").
mode(Append).
save(basePath)
Then I add option("hoodie.datasource.write.insert.drop.duplicates",true) to
run again then there is no records in table :
df.write.format("hudi").
options(getQuickstartWriteConfigs).
option(OPERATION.key(),"insert_overwrite_table").
option(PRECOMBINE_FIELD.key(), "id").
option(RECORDKEY_FIELD.key(), "name").
option(TBL_NAME.key(), tableName).
option(KEYGENERATOR_CLASS_OPT_KEY,
"org.apache.hudi.keygen.NonpartitionedKeyGenerator").
option("hoodie.datasource.write.insert.drop.duplicates",true).
mode(Append).
save(basePath)
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