Github user ricellis commented on a diff in the pull request:
https://github.com/apache/bahir/pull/45#discussion_r126402723
--- Diff: sql-cloudant/README.md ---
@@ -52,39 +51,71 @@ Here each subsequent configuration overrides the
previous one. Thus, configurati
### Configuration in application.conf
-Default values are defined in
[here](cloudant-spark-sql/src/main/resources/application.conf).
+Default values are defined in [here](src/main/resources/application.conf).
### Configuration on SparkConf
Name | Default | Meaning
--- |:---:| ---
+cloudant.apiReceiver|"_all_docs"| API endpoint for RelationProvider when
loading or saving data from Cloudant to DataFrames or SQL temporary tables.
Select between "_all_docs" or "_changes" endpoint.
cloudant.protocol|https|protocol to use to transfer data: http or https
-cloudant.host||cloudant host url
-cloudant.username||cloudant userid
-cloudant.password||cloudant password
+cloudant.host| |cloudant host url
+cloudant.username| |cloudant userid
+cloudant.password| |cloudant password
cloudant.useQuery|false|By default, _all_docs endpoint is used if
configuration 'view' and 'index' (see below) are not set. When useQuery is
enabled, _find endpoint will be used in place of _all_docs when query condition
is not on primary key field (_id), so that query predicates may be driven into
datastore.
cloudant.queryLimit|25|The maximum number of results returned when
querying the _find endpoint.
jsonstore.rdd.partitions|10|the number of partitions intent used to drive
JsonStoreRDD loading query result in parallel. The actual number is calculated
based on total rows returned and satisfying maxInPartition and minInPartition
jsonstore.rdd.maxInPartition|-1|the max rows in a partition. -1 means
unlimited
jsonstore.rdd.minInPartition|10|the min rows in a partition.
jsonstore.rdd.requestTimeout|900000| the request timeout in milliseconds
bulkSize|200| the bulk save size
-schemaSampleSize| "-1" | the sample size for RDD schema discovery. 1 means
we are using only first document for schema discovery; -1 means all documents;
0 will be treated as 1; any number N means min(N, total) docs
-createDBOnSave|"false"| whether to create a new database during save
operation. If false, a database should already exist. If true, a new database
will be created. If true, and a database with a provided name already exists,
an error will be raised.
+schemaSampleSize|-1| the sample size for RDD schema discovery. 1 means we
are using only first document for schema discovery; -1 means all documents; 0
will be treated as 1; any number N means min(N, total) docs
--- End diff --
using only **the** first document
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