Fix writing empty strings.

Also move version to 0.2 and move out of the Bro namespace.

VERSION

@@ -1 +1 @@
-0.1
+0.2

src/Plugin.cc

@@ -3,9 +3,9 @@
 #include "PostgresWriter.h"
 #include "PostgresReader.h"
 
-namespace plugin { namespace Bro_PostgreSQL { Plugin plugin; } }
+namespace plugin { namespace Johanna_PostgreSQL { Plugin plugin; } }
 
-using namespace plugin::Bro_PostgreSQL;
+using namespace plugin::Johanna_PostgreSQL;
 
 plugin::Configuration Plugin::Configure()
 	{
@@ -16,6 +16,6 @@ plugin::Configuration Plugin::Configure()
 	config.name = "Bro::PostgreSQL";
 	config.description = "PostgreSQL log writer and input reader";
 	config.version.major = 0;
-	config.version.minor = 1;
+	config.version.minor = 2;
 	return config;
 	}

src/Plugin.h

@@ -5,7 +5,7 @@
 #include <plugin/Plugin.h>
 
 namespace plugin {
-namespace Bro_PostgreSQL {
+namespace Johanna_PostgreSQL {
 
 class Plugin : public ::plugin::Plugin
 {

src/PostgresWriter.cc

@@ -303,9 +303,6 @@ std::tuple<bool, string, int> PostgreSQL::CreateParams(const Value* val)
 	case TYPE_STRING:
 	case TYPE_FILE:
 	case TYPE_FUNC:
-		if ( ! val->val.string_val.length || val->val.string_val.length == 0 )
-			return std::make_tuple(false, string(), 0);
-
 		retval = string(val->val.string_val.data, val->val.string_val.length);
 		break;
 

tests/Baseline/postgres.write-basic/ssh.out

@@ -1,19 +1,19 @@
-id|b|i|e|c|p|sn|a|d|t|iv|s|sc|ss|se|vc|ve|f
-1|t|-42|SSH::LOG|21|123|10.0.0.0/24|1.2.3.4|3.14|1485448463.53086|100|hurz|{2,4,1,3}|{BB,AA,CC}||{10,20,30}||SSHTest::foo
+id|b|i|e|c|p|sn|a|d|t|iv|s|sc|ss|se|vc|ve|f|vo|so
+1|t|-42|SSH::LOG|21|123|10.0.0.0/24|1.2.3.4|3.14|1485543658.08752|100|hurz|{2,4,1,3}|{BB,AA,CC}||{10,20,30}||SSHTest::foo
 { 
 if (0 < SSHTest::i) 
 	return (Foo);
 else
 	return (Bar);
 
-}
-2|t|-42|SSH::LOG|21|123|10.0.0.0/24|1.2.3.4|3.14|1485448463.53086|100|hurz|{2,4,1,3}|{"{\"\"\\hello","a	b
-cd
~e","\\\"\\{}","{{{{{}'","\""}||{10,20,30}||SSHTest::foo
+}||
+2|t|-42|SSH::LOG|21|123|10.0.0.0/24|1.2.3.4|3.14|1485543658.08752|100|hurz|{2,4,1,3}|{"{\"\"\\hello","a	b
+cd
~e","\\\"\\{}","{{{{{}'","","\""}||{10,20,30}||SSHTest::foo
 { 
 if (0 < SSHTest::i) 
 	return (Foo);
 else
 	return (Bar);
 
-}
+}||
 (2 rows)

tests/postgres/write-basic.bro

@@ -35,6 +35,8 @@ export {
 		vc: vector of count;
 		ve: vector of string;
 		f: function(i: count) : string;
+		vo: vector of string &optional;
+		so: string &optional;
 	} &log;
 }
 
@@ -88,7 +90,7 @@ event bro_init()
 		$iv=100secs,
 		$s="hurz",
 		$sc=set(1,2,3,4),
-		$ss=set("\\\"\\{}", "\"", "{{{{{}'", "{\"\"\\hello", "a\tb\nc\rd\x01\x02\x03\x7Ee"),
+		$ss=set("", "\\\"\\{}", "\"", "{{{{{}'", "{\"\"\\hello", "a\tb\nc\rd\x01\x02\x03\x7Ee"),
 		$se=empty_set,
 		$vc=vector(10, 20, 30),
 		$ve=empty_vector,