HIVE-1415: add CLI command for executing a SQL script

(Edward Capriolo via jvs)



git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1043849 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -300,6 +300,9 @@ Trunk -  Unreleased
     HIVE-1834 more debugging for locking
     (namit via He Yongqiang)
 
+    HIVE-1415: add CLI command for executing a SQL script
+    (Edward Capriolo via jvs)
+
   OPTIMIZATIONS
 
   BUG FIXES

cli/src/java/org/apache/hadoop/hive/cli/CliDriver.java

@@ -89,6 +89,20 @@ public int processCmd(String cmd) {
       // this counts as a successful run
       System.exit(0);
 
+    } else if (tokens[0].equalsIgnoreCase("source")) {
+      File sourceFile = new File(cmd_1);
+      if (! sourceFile.isFile()){
+        console.printError("File: "+ cmd_1 + " is not a file.");
+        ret = 1;
+      } else {
+        try {
+          this.processFile(cmd_1);
+        } catch (IOException e) {
+          console.printError("Failed processing file "+ cmd_1 +" "+ e.getLocalizedMessage(),
+            org.apache.hadoop.util.StringUtils.stringifyException(e));
+          ret = 1;
+        }
+      }
     } else if (cmd_trimmed.startsWith("!")) {
 
       String shell_cmd = cmd_trimmed.substring(1);

data/files/source.txt

@@ -0,0 +1,4 @@
+EXPLAIN
+SELECT x.* FROM SRC x;
+
+SELECT x.* FROM SRC x;

docs/xdocs/language_manual/cli.xml

@@ -143,6 +143,11 @@ Use ";" (semicolon) to terminate commands. Comments in scripts can be specified
 <td>Executes a hive query and prints results to standard out</td>
 </tr>
 
+<tr>
+<td>source FILE</td>
+<td>Used to execute a script file inside the CLI.</td>
+</tr>
+
 </table>
 
 Sample Usage:

ql/src/test/queries/clientpositive/source.q

@@ -0,0 +1 @@
+source ../data/files/source.txt;