Show SQL for database

Also improvements to the SQL for tables and views.

pglablib/catalog/PgDatabase.cpp

@@ -1,6 +1,51 @@
 #include "PgDatabase.h"
+#include "PgDatabaseCatalog.h"
+#include "SqlFormattingUtils.h"
+#include <QStringBuilder>
 
 QString PgDatabase::typeName() const
 {
-	return "DATABASE";
+    return "DATABASE";
+}
+
+QString PgDatabase::aclAllPattern() const
+{
+    // Create
+    // Connect
+    // Temporary
+    return "CcT";
+}
+
+QString PgDatabase::dropSql() const
+{
+    return "DROP DATABASE " % quotedObjectName() % ";";
+}
+
+QString PgDatabase::createSql() const
+{
+    QString s = "CREATE DATABASE " % quotedObjectName()
+    // TEMPLATE is missing as this is not stored in the catalog
+        % "\n  OWNER " % quoteIdent(ownerName())
+        % "\n  ENCODING " % escapeLiteral(encodingString)
+        % "\n  LC_COLLATE " % escapeLiteral(collate)
+        % "\n  LC_TYPE " % escapeLiteral(ctype);
+    auto ns = getTablespaceDisplayString(catalog(), tablespace);
+    if (ns != "pg_default")
+    {
+        s += "\n  TABLESPACE " % quoteIdent(ns);
+    }
+    if (!allowConn)
+    {
+        s += "\n  ALLOW_CONNECTIONS FALSE";
+    }
+    if (connLimit >= 0)
+    {
+        s += "\n  CONNECTION LIMIT " % QString::number(connLimit);
+    }
+    if (isTemplate)
+    {
+        s += "\n  IS_TEMPLATE TRUE";
+    }
+    s += ";";
+    return s;
 }