[maven-release-plugin] prepare release calcite-0.9.2-incubating
diff --git a/avatica/pom.xml b/avatica/pom.xml
index 7d64602..7c4ab8a 100644
--- a/avatica/pom.xml
+++ b/avatica/pom.xml
@@ -20,12 +20,12 @@
   <parent>
     <groupId>org.apache.calcite</groupId>
     <artifactId>calcite</artifactId>
-    <version>0.9.2-incubating-SNAPSHOT</version>
+    <version>0.9.2-incubating</version>
   </parent>
 
   <artifactId>calcite-avatica</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.2-incubating-SNAPSHOT</version>
+  <version>0.9.2-incubating</version>
   <name>Calcite Avatica</name>
   <description>JDBC driver framework.</description>
 
diff --git a/core/pom.xml b/core/pom.xml
index dcb3282..8bce360 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -20,12 +20,12 @@
   <parent>
     <groupId>org.apache.calcite</groupId>
     <artifactId>calcite</artifactId>
-    <version>0.9.2-incubating-SNAPSHOT</version>
+    <version>0.9.2-incubating</version>
   </parent>
 
   <artifactId>calcite-core</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.2-incubating-SNAPSHOT</version>
+  <version>0.9.2-incubating</version>
   <name>Calcite Core</name>
   <description>Core Calcite APIs and engine.</description>
 
diff --git a/mongodb/pom.xml b/mongodb/pom.xml
index 8b10ed0..6ec3a23 100644
--- a/mongodb/pom.xml
+++ b/mongodb/pom.xml
@@ -20,12 +20,12 @@
   <parent>
     <groupId>org.apache.calcite</groupId>
     <artifactId>calcite</artifactId>
-    <version>0.9.2-incubating-SNAPSHOT</version>
+    <version>0.9.2-incubating</version>
   </parent>
 
   <artifactId>calcite-mongodb</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.2-incubating-SNAPSHOT</version>
+  <version>0.9.2-incubating</version>
   <name>Calcite MongoDB</name>
   <description>MongoDB adapter for Calcite</description>
 
diff --git a/plus/pom.xml b/plus/pom.xml
index ef52d59..753ed77 100644
--- a/plus/pom.xml
+++ b/plus/pom.xml
@@ -20,12 +20,12 @@
   <parent>
     <groupId>org.apache.calcite</groupId>
     <artifactId>calcite</artifactId>
-    <version>0.9.2-incubating-SNAPSHOT</version>
+    <version>0.9.2-incubating</version>
   </parent>
 
   <artifactId>calcite-plus</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.2-incubating-SNAPSHOT</version>
+  <version>0.9.2-incubating</version>
   <name>Calcite Plus</name>
   <description>Miscellaneous extras for Calcite</description>
 
diff --git a/pom.xml b/pom.xml
index 05e7117..7c35513 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,7 +27,7 @@
   <groupId>org.apache.calcite</groupId>
   <artifactId>calcite</artifactId>
   <packaging>pom</packaging>
-  <version>0.9.2-incubating-SNAPSHOT</version>
+  <version>0.9.2-incubating</version>
 
   <!-- More project information. -->
   <name>Calcite</name>
@@ -59,7 +59,7 @@
     <connection>scm:git:https://git-wip-us.apache.org/repos/asf/incubator-calcite.git</connection>
     <developerConnection>scm:git:https://git-wip-us.apache.org/repos/asf/incubator-calcite.git</developerConnection>
     <url>https://github.com/apache/incubator-calcite</url>
-    <tag>HEAD</tag>
+    <tag>calcite-0.9.2-incubating</tag>
   </scm>
 
   <modules>
diff --git a/spark/pom.xml b/spark/pom.xml
index a78d5f2..20e2d3d 100644
--- a/spark/pom.xml
+++ b/spark/pom.xml
@@ -20,12 +20,12 @@
   <parent>
     <groupId>org.apache.calcite</groupId>
     <artifactId>calcite</artifactId>
-    <version>0.9.2-incubating-SNAPSHOT</version>
+    <version>0.9.2-incubating</version>
   </parent>
 
   <artifactId>calcite-spark</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.2-incubating-SNAPSHOT</version>
+  <version>0.9.2-incubating</version>
   <name>Calcite Spark</name>
 
   <properties>
diff --git a/splunk/pom.xml b/splunk/pom.xml
index 9dabb2b..8f2b8c6 100644
--- a/splunk/pom.xml
+++ b/splunk/pom.xml
@@ -20,12 +20,12 @@
   <parent>
     <groupId>org.apache.calcite</groupId>
     <artifactId>calcite</artifactId>
-    <version>0.9.2-incubating-SNAPSHOT</version>
+    <version>0.9.2-incubating</version>
   </parent>
 
   <artifactId>calcite-splunk</artifactId>
   <packaging>jar</packaging>
-  <version>0.9.2-incubating-SNAPSHOT</version>
+  <version>0.9.2-incubating</version>
   <name>Calcite Splunk</name>
   <description>Splunk adapter for Calcite; also a JDBC driver for Splunk</description>
 
diff --git a/ubenchmark/pom.xml b/ubenchmark/pom.xml
index 2378f91..ec403df 100644
--- a/ubenchmark/pom.xml
+++ b/ubenchmark/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <groupId>org.apache.calcite</groupId>
     <artifactId>calcite</artifactId>
-    <version>0.9.2-incubating-SNAPSHOT</version>
+    <version>0.9.2-incubating</version>
   </parent>
 
   <properties>