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| author | hyukjinkwon <gurwls223@gmail.com> | 2016-07-26 17:14:58 +0800 |
|---|---|---|
| committer | Wenchen Fan <wenchen@databricks.com> | 2016-07-26 17:14:58 +0800 |
| commit | 3b2b785ece4394ca332377647a6305ea493f411b (patch) | |
| tree | caf1f45dcc784d570b57b346bbbb065f0bc3b435 /sql/core/src/test/scala | |
| parent | 03c27435aee4e319abe290771ba96e69469109ac (diff) | |
| download | spark-3b2b785ece4394ca332377647a6305ea493f411b.tar.gz spark-3b2b785ece4394ca332377647a6305ea493f411b.tar.bz2 spark-3b2b785ece4394ca332377647a6305ea493f411b.zip | |
[SPARK-16675][SQL] Avoid per-record type dispatch in JDBC when writing
## What changes were proposed in this pull request?
Currently, `JdbcUtils.savePartition` is doing type-based dispatch for each row to write appropriate values.
So, appropriate setters for `PreparedStatement` can be created first according to the schema, and then apply them to each row. This approach is similar with `CatalystWriteSupport`.
This PR simply make the setters to avoid this.
## How was this patch tested?
Existing tests should cover this.
Author: hyukjinkwon <gurwls223@gmail.com>
Closes #14323 from HyukjinKwon/SPARK-16675.
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