Adding Considerations for Spark's Insert Overwrite

wg1026688210 · Oct 10, 2023 · af33530 · af33530
1 parent cef2fc1
commit af33530
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/docs/content/how-to/writing-tables.md b/docs/content/how-to/writing-tables.md
@@ -127,7 +127,11 @@ INSERT INTO MyTable SELECT ...
 
 {{< /tabs >}}
 
-## Overwriting the Whole Table
+## Overwriting 
+Note :If `spark.sql.sources.partitionOverwriteMode` is set to `dynamic` by default in Spark, 
+in order to ensure that the insert overwrite function of the Paimon table can be used normally,
+`spark.sql.extensions` should be set to `org.apache.paimon.spark.extensions.PaimonSparkSessionExtensions`.
+### Overwriting the Whole Table
 
 For unpartitioned tables, Paimon supports overwriting the whole table.
 
@@ -153,7 +157,7 @@ INSERT OVERWRITE MyTable SELECT ...
 
 {{< /tabs >}}
 
-## Overwriting a Partition
+### Overwriting a Partition
 
 For partitioned tables, Paimon supports overwriting a partition.
 
@@ -179,7 +183,7 @@ INSERT OVERWRITE MyTable PARTITION (key1 = value1, key2 = value2, ...) SELECT ..
 
 {{< /tabs >}}
 
-## Dynamic Overwrite
+### Dynamic Overwrite
 
 {{< tabs "dynamic-overwrite" >}}