aiguofer commented on code in PR #39485:
URL: https://github.com/apache/arrow/pull/39485#discussion_r1443544489
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java/adapter/jdbc/src/main/java/org/apache/arrow/adapter/jdbc/JdbcToArrowUtils.java:
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@@ -164,12 +167,21 @@ public static ArrowType getArrowTypeFromJdbcType(final
JdbcFieldInfo fieldInfo,
case Types.INTEGER:
return new ArrowType.Int(32, true);
case Types.BIGINT:
- return new ArrowType.Int(64, true);
+ precision = fieldInfo.getPrecision();
+ if (precision > 18) {
+ return new ArrowType.Decimal(precision, 0);
Review Comment:
We ran into an issue with this on Snowflake. Although technically some 19
precision numbers can be expressed in 64 bit, the safest way to ensure the
conversion always works seems to be doing this.
I can remove this, or add it in a separate PR if ya'll think think that's
better.
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