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[doc] Adding Considerations for Spark's Insert Overwrite #2111

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Oct 11, 2023
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[doc] Adding Considerations for Spark's Insert Overwrite #2111

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10 changes: 7 additions & 3 deletions docs/content/how-to/writing-tables.md
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Expand Up @@ -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.

Expand All @@ -153,7 +157,7 @@ INSERT OVERWRITE MyTable SELECT ...

{{< /tabs >}}

## Overwriting a Partition
### Overwriting a Partition

For partitioned tables, Paimon supports overwriting a partition.

Expand All @@ -179,7 +183,7 @@ INSERT OVERWRITE MyTable PARTITION (key1 = value1, key2 = value2, ...) SELECT ..

{{< /tabs >}}

## Dynamic Overwrite
### Dynamic Overwrite

{{< tabs "dynamic-overwrite" >}}

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