1 files changed, 64 insertions, 0 deletions
diff --git a/SQLiteStudio3/sqlitestudiocli/commands/clicommanduse.cpp b/SQLiteStudio3/sqlitestudiocli/commands/clicommanduse.cpp
new file mode 100644
index 0000000..ef0f641
--- /dev/null
+++ b/SQLiteStudio3/sqlitestudiocli/commands/clicommanduse.cpp
@@ -0,0 +1,64 @@
+#include "clicommanduse.h"
+#include "cli.h"
+#include "services/config.h"
+#include "../cli_config.h"
+#include "services/dbmanager.h"
+
+void CliCommandUse::execute()
+{
+    if (syntax.isArgumentSet(DB_NAME))
+    {
+        if (!cli->getCurrentDb())
+        {
+            println(tr("No current database selected."));
+            return;
+        }
+        println(tr("Current database: %1").arg(cli->getCurrentDb()->getName()));
+        return;
+    }
+
+    Db* db = DBLIST->getByName(syntax.getArgument(DB_NAME));
+    if (!db)
+    {
+        println(tr("No such database: %1").arg(syntax.getArgument(DB_NAME)));
+        return;
+    }
+
+    cli->setCurrentDb(db);
+    CFG_CLI.Console.DefaultDatabase.set(db->getName());
+
+    println(tr("Current database: %1").arg(db->getName()));
+}
+
+QString CliCommandUse::shortHelp() const
+{
+    return tr("changes default working database");
+}
+
+QString CliCommandUse::fullHelp() const
+{
+    return tr(
+                "Changes current working database to <name>. If the <name> database is not registered in the application, "
+                "then the error message is printed and no change is made.\n"
+                "\n"
+                "What is current working database?\n"
+                "When you type a SQL query to be executed, it is executed on the default database, which is also known as "
+                "the current working database. Most of database-related commands can also work using default database, if no database was "
+                "provided in their arguments. The current database is always identified by command line prompt. "
+                "The default database is always defined (unless there is no database on the list at all).\n"
+                "\n"
+                "The default database can be selected in various ways:\n"
+                "- using %1 command,\n"
+                "- by passing database file name to the application startup parameters,\n"
+                "- by passing registered database name to the application startup parameters,\n"
+                "- by restoring previously selected default database from saved configuration,\n"
+                "- or when default database was not selected by any of the above, then first database from the registered databases list "
+                "becomes the default one."
+                ).arg(cmdName("use"));
+}
+
+void CliCommandUse::defineSyntax()
+{
+    syntax.setName("use");
+    syntax.addArgument(DB_NAME, tr("name", "CLI command syntax"), false);
+}