switch to using gpg for signing in build.gradle

- avoids having to put password anywhere rather will use gpg-agent
- needs "signing.gnupg.keyName" in gradle.properties or else the default gpg signing key, if
  any, will be used which may not be desirable
- updated mkdocs.yml

Author: Sumedh Wale

build.gradle

@@ -119,6 +119,7 @@ allprojects {
     sparkAvroVersion = '4.0.0'
     sparkXmlVersion = '0.4.1'
     scalatestVersion = '2.2.6'
+    py4jVersion = '0.10.7'
     jettyVersion = '9.2.26.v20180806'
     guavaVersion = '14.0.1'
     fastutilVersion = '8.5.4'
@@ -803,10 +804,9 @@ subprojects {
     from javadoc
   }
   if (rootProject.hasProperty('enablePublish')) {
-    if (rootProject.hasProperty('sign')) {
-      signing {
-        sign configurations.archives
-      }
+    signing {
+      useGpgCmd()
+      sign configurations.archives
     }
 
     uploadArchives {
@@ -1227,10 +1227,10 @@ ospackage {
     into '/opt/' + packageName
   }
 
-  if (rootProject.hasProperty('enablePublish') && rootProject.hasProperty('sign')) {
-    signingKeyId = rootProject.property('signing.keyId')
-    signingKeyPassphrase = rootProject.property('signing.password')
-    signingKeyRingFile = file(rootProject.property('signing.secretKeyRingFile'))
+  if (rootProject.hasProperty('enablePublish')) {
+    // signingKeyId = rootProject.property('signing.keyId')
+    // signingKeyPassphrase = rootProject.property('signing.password')
+    // signingKeyRingFile = file(rootProject.property('signing.secretKeyRingFile'))
   }
 
   link('/usr/sbin/snappy-start-all.sh', "/opt/${packageName}/sbin/snappy-start-all.sh")
@@ -1564,7 +1564,7 @@ task checkPython(type: Exec) {
     from "${rootDir}/python/pyspark/test_supprt"
     into wdir
   }
-  environment 'PYTHONPATH': "${snappyProductDir}/python/lib/py4j-0.10.4-src.zip:${snappyProductDir}/python",
+  environment 'PYTHONPATH': "${snappyProductDir}/python/lib/py4j-${py4jVersion}-src.zip:${snappyProductDir}/python",
       'SPARK_HOME': "${snappyProductDir}"
   commandLine 'python', '-u', "${rootDir}/python/run-snappy-tests.py"
 }

docs/install/building_from_source.md

@@ -43,6 +43,7 @@ Building SparkR with the `-PR.enable` flag requires R 3.x or 4.x to be installed
 At least the following R packages along with their dependencies also need to be installed:
 `knitr`, `markdown`, `rmarkdown`, `testthat`
 
+Official builds are published to maven using the `publishMaven` task.
 
 ## Repository Layout
 

docs/release_notes/release_notes.md

@@ -292,10 +292,10 @@ The following table describes the download artifacts included in SnappyData 1.3.
 
 | Artifact Name | Description |
 | ------------- | ----------- |
-|snappydata-1.3.0-bin.tar.gz | Full product binary (includes Hadoop 3.2.0) |
+|snappydata-1.3.0-bin.tar.gz     | Full product binary (includes Hadoop 3.2.0) |
 |snappydata-jdbc\_2.11-1.3.0.jar | JDBC client driver and push down JDBC data source for Spark |
 |snappydata-core\_2.11-1.3.0.jar | The single jar needed in Smart Connector mode; an alternative to --packages option |
-|snappydata-odbc\_1.3.0_win.zip | 32-bit and 64-bit ODBC client drivers for Windows |
+|snappydata-odbc\_1.3.0\_win.zip | 32-bit and 64-bit ODBC client drivers for Windows |
 |snappydata-1.3.0.sha256 | The SHA256 checksums of the product artifacts. On Linux verify using `sha256sum --check snappydata-1.3.0.sha256`. |
-|snappydata-1.3.0.sha256.gpg | GnuPG signature for snappydata-1.3.0.sha256. Get the public key using `gpg --keyserver hkps://keys.gnupg.net --recv-keys 573D42FDD455480DC33B7105F76D50B69DB1586C`. Then verify using `gpg --verify snappydata-1.3.0.sha256.gpg`. |
+|snappydata-1.3.0.sha256.asc | PGP signature for snappydata-1.3.0.sha256 in ASCII format. Get the public key using `gpg --keyserver hkps://keyserver.ubuntu.com --recv-keys 573D42FDD455480DC33B7105F76D50B69DB1586C`. Then verify using `gpg --verify snappydata-1.3.0.sha256.asc` which should show the mentioned key in the verification with email as `swale@tibco.com`. |
 |[snappydata-zeppelin\_2.11-0.8.2.1.jar](https://github.com/TIBCOSoftware/snappy-zeppelin-interpreter/releases/download/v0.8.2.1/snappydata-zeppelin_2.11-0.8.2.1.jar) | The Zeppelin interpreter jar for SnappyData compatible with Apache Zeppelin 0.8.2. The standard jdbc interpreter is preferred over this. See [How to Use Apache Zeppelin with SnappyData](../howto/use_apache_zeppelin_with_snappydata.md). |

mkdocs.yml

@@ -217,6 +217,7 @@ pages:
         - 'SET SCHEMA': 'reference/sql_reference/set-schema.md'
         - 'TRUNCATE TABLE': 'reference/sql_reference/truncate-table.md'
         - 'UPDATE': 'reference/sql_reference/update.md'
+    - 'SQL Functions': 'reference/sql_functions/sql_functions.md'
     - 'SQL General Limitations': 'reference/sql_general_limitations.md'
     - 'Built-in System Procedures and Built-in Functions': 'reference/inbuilt_system_procedures/system-procedures.md'
     - 'Built-in System Procedures and Built-in Functions': 
@@ -339,7 +340,7 @@ pages:
 #- Additional Information: additional_files/additional_docs.md
 #- About:
 #   - Contributing: about/contributing.md
-- Community Edition/ Enterprise Edition Features: additional_files/open_source_components.md
+- Community Edition Features: additional_files/open_source_components.md
 - 'License Model': 'additional_files/license_model.md'
 - 'Release Notes': 'release_notes/release_notes.md' 
 - 'Doc Archives': prev_doc_ver.md
@@ -365,5 +366,5 @@ extra_css:
 markdown_extensions:
     - admonition 
 
-copyright: Copyright © 2017-2020 TIBCO Software Inc. All rights reserved. 
+copyright: Copyright © 2017-2021 TIBCO Software Inc. All rights reserved.