GitHub user hvanhovell opened a pull request:
https://github.com/apache/spark/pull/14819
[SPARK-17246][SQL] Add BigDecimal literal
## What changes were proposed in this pull request?
This PR adds parser support for `BigDecimal` literals. If you append the
suffix `BD` to a valid number then this will be interpreted as a `BigDecimal`,
for example `12.0E10BD` will interpreted into a BigDecimal with scale -9 and
precision 3. This is useful in situations where you need exact values.
## How was this patch tested?
Added tests to `ExpressionParserSuite`, `ExpressionSQLBuilderSuite` and
`SQLQueryTestSuite`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/hvanhovell/spark SPARK-17246
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14819.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #14819
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commit fda100f3c42bf82c9d0accafc7230c906e0b8317
Author: Herman van Hovell <hvanhov...@databricks.com>
Date: 2016-08-25T23:31:47Z
Add BigDecimal literal to parser.
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