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new 10a308774b71 [SPARK-47781][SPARK-47791][SPARK-47798][DOCS][FOLLOWUP]
Update the decimal mapping remarks with JDBC data sources
10a308774b71 is described below
commit 10a308774b71cf774f1e661c5f55829b61c00521
Author: Kent Yao <[email protected]>
AuthorDate: Wed Apr 10 14:05:49 2024 -0700
[SPARK-47781][SPARK-47791][SPARK-47798][DOCS][FOLLOWUP] Update the decimal
mapping remarks with JDBC data sources
### What changes were proposed in this pull request?
Followup of SPARK-47781, SPARK-47791 and SPARK-47798, to update the decimal
mapping remarks with JDBC data sources
### Why are the changes needed?
doc revision
### Does this PR introduce _any_ user-facing change?
no
### How was this patch tested?
doc build
### Was this patch authored or co-authored using generative AI tooling?
no
Closes #45984 from yaooqinn/SPARK-47781-F.
Authored-by: Kent Yao <[email protected]>
Signed-off-by: Dongjoon Hyun <[email protected]>
---
docs/sql-data-sources-jdbc.md | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/docs/sql-data-sources-jdbc.md b/docs/sql-data-sources-jdbc.md
index 84e2d7f06381..d99e7bc9e519 100644
--- a/docs/sql-data-sources-jdbc.md
+++ b/docs/sql-data-sources-jdbc.md
@@ -544,7 +544,7 @@ are also available to connect MySQL, may have different
mapping rules.
<tr>
<td>DECIMAL(p,s) [UNSIGNED]</td>
<td>DecimalType(min(38, p),(min(18,s)))</td>
- <td>The column type is bounded to DecimalType(38, 18), thus if any value
of this column have a actual presion greater 38 will fail with
DECIMAL_PRECISION_EXCEEDS_MAX_PRECISION </td>
+ <td>The column type is bounded to DecimalType(38, 18), if 'p>38', the
fraction part will be truncated if exceeded. And if any value of this column
have an actual precision greater 38 will fail with
NUMERIC_VALUE_OUT_OF_RANGE.WITHOUT_SUGGESTION error</td>
</tr>
<tr>
<td>DATE</td>
@@ -845,7 +845,7 @@ as the activated JDBC Driver. Note that, different JDBC
drivers, or different ve
<tr>
<td>numeric, decimal</td>
<td>DecimalType</td>
- <td></td>
+ <td>Since PostgreSQL 15, 's' can be negative. If 's<0' it'll be adjusted
to DecimalType(min(p-s, 38), 0); Otherwise, DecimalType(p, s), and if 'p>38',
the fraction part will be truncated if exceeded. And if any value of this
column have an actual precision greater 38 will fail with
NUMERIC_VALUE_OUT_OF_RANGE.WITHOUT_SUGGESTION error</td>
</tr>
<tr>
<td>character varying(n), varchar(n)</td>
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