[glom] MySQL: Avoid affecting PostgreSQL field types.

[Murray Cumming <murrayc src gnome org>]

commit afa7887717345828571abd31ede6753ef1e64d27
Author: Murray Cumming <murrayc murrayc com>
Date:   Sun Jan 6 15:36:24 2013 +0100

    MySQL: Avoid affecting PostgreSQL field types.
    
            * glom/libglom/db_utils.[h|cc]: create_table():
    Take the hosting mode so we can only do checks for
    relevant hosting modes.
            * glom/appwindow.cc: Adapt.

 ChangeLog                |    9 +++++++++
 glom/appwindow.cc        |    2 +-
 glom/libglom/db_utils.cc |   27 ++++++++++++++++-----------
 glom/libglom/db_utils.h  |    2 +-
 4 files changed, 27 insertions(+), 13 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index f151a4f..46c02be 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,14 @@
 2013-01-06  Murray Cumming  <murrayc murrayc com>
 
+        MySQL: Avoid affecting PostgreSQL field types.
+
+        * glom/libglom/db_utils.[h|cc]: create_table():
+	Take the hosting mode so we can only do checks for
+	relevant hosting modes.
+        * glom/appwindow.cc: Adapt.
+
+2013-01-06  Murray Cumming  <murrayc murrayc com>
+
         MySQL: Use double instead of DECIMAL for numeric values.
 
         * glom/libglom/db_utils.cc: create_table():
diff --git a/glom/appwindow.cc b/glom/appwindow.cc
index 7cb312a..fceaaaa 100644
--- a/glom/appwindow.cc
+++ b/glom/appwindow.cc
@@ -1748,7 +1748,7 @@ bool AppWindow::recreate_database_from_example(bool& user_cancelled)
     Document::type_vec_fields fields = pDocument->get_table_fields(table_info->get_name());
 
     pulse_progress_message();
-    const bool table_creation_succeeded = DbUtils::create_table(table_info, fields);
+    const bool table_creation_succeeded = DbUtils::create_table(pDocument->get_hosting_mode(), table_info, fields);
     pulse_progress_message();
     if(!table_creation_succeeded)
     {
diff --git a/glom/libglom/db_utils.cc b/glom/libglom/db_utils.cc
index 24293df..b1df9cb 100644
--- a/glom/libglom/db_utils.cc
+++ b/glom/libglom/db_utils.cc
@@ -278,7 +278,7 @@ bool recreate_database_from_document(Document* document, const sigc::slot<void>&
     Document::type_vec_fields fields = document->get_table_fields(table_info->get_name());
 
     progress();
-    const bool table_creation_succeeded = create_table(table_info, fields);
+    const bool table_creation_succeeded = create_table(document->get_hosting_mode(), table_info, fields);
     progress();
     if(!table_creation_succeeded)
     {
@@ -465,7 +465,7 @@ bool add_standard_tables(Document* document)
     //Name, address, etc:
     if(!get_table_exists_in_database(GLOM_STANDARD_TABLE_PREFS_TABLE_NAME))
     {
-      const bool test = create_table(prefs_table_info, pref_fields);
+      const bool test = create_table(document->get_hosting_mode(), prefs_table_info, pref_fields);
 
       if(test)
       {
@@ -535,7 +535,7 @@ bool add_standard_tables(Document* document)
       field_next_value->set_glom_type(Field::TYPE_TEXT);
       fields.push_back(field_next_value);
 
-      const bool test = create_table(table_info, fields);
+      const bool test = create_table(document->get_hosting_mode(), table_info, fields);
       if(!test)
       {
         std::cerr << G_STRFUNC << ": add_standard_tables(): create_table(autoincrements) failed." << std::endl;
@@ -1199,7 +1199,7 @@ bool create_table_with_default_fields(Document* document, const Glib::ustring& t
   table_info->set_name(table_name);
   table_info->set_title_original( Utils::title_from_string( table_name ) ); //Start with a title that might be appropriate.
 
-  created = create_table(table_info, fields);
+  created = create_table(document->get_hosting_mode(), table_info, fields);
 
   if(created)
   {
@@ -1213,7 +1213,7 @@ bool create_table_with_default_fields(Document* document, const Glib::ustring& t
 
   return created;
 }
-bool create_table(const sharedptr<const TableInfo>& table_info, const Document::type_vec_fields& fields_in)
+bool create_table(Document::HostingMode hosting_mode, const sharedptr<const TableInfo>& table_info, const Document::type_vec_fields& fields_in)
 {
   //std::cout << "debug: " << G_STRFUNC << ": " << table_info->get_name() << ", title=" << table_info->get_title() << std::endl;
 
@@ -1246,12 +1246,17 @@ bool create_table(const sharedptr<const TableInfo>& table_info, const Document::
     field->set_field_info(info); //TODO_Performance
 
     Glib::ustring field_type = field->get_sql_type();
-    if(field_type == "varchar")
-      field_type = "varchar(255)"; //For MySQL. //TODO: Avoid this for PostgreSQL
-    else if(field_type == "VARBINARY")
-      field_type = "blob"; //For MySQL.
-    else if(field_type == "DECIMAL")
-      field_type = "double"; //For MySQL, because DECIMAL with no parameters means no decimal points.
+
+    if( (hosting_mode == Document::HOSTING_MODE_MYSQL_CENTRAL) ||
+      (hosting_mode == Document::HOSTING_MODE_MYSQL_SELF) )
+    {
+      if(field_type == "varchar")
+        field_type = "varchar(255)";
+      else if(field_type == "VARBINARY")
+        field_type = "blob"; //Because VARBINARY needs us to specify a size.
+      else if(field_type == "DECIMAL")
+        field_type = "double"; //Because DECIMAL with no parameters means no decimal points.
+    }
 
     Glib::ustring sql_field_description = escape_sql_id(field->get_name()) + " " + field_type;
 
diff --git a/glom/libglom/db_utils.h b/glom/libglom/db_utils.h
index 408296b..3d05c17 100644
--- a/glom/libglom/db_utils.h
+++ b/glom/libglom/db_utils.h
@@ -79,7 +79,7 @@ type_vec_strings get_table_names_from_database(bool ignore_system_tables = false
 
 bool get_table_exists_in_database(const Glib::ustring& table_name);
 
-bool create_table(const sharedptr<const TableInfo>& table_info, const Document::type_vec_fields& fields);
+bool create_table(Document::HostingMode hosting_mode, const sharedptr<const TableInfo>& table_info, const Document::type_vec_fields& fields);
 
 /// Also saves the table information in the document:
 bool create_table_with_default_fields(Document* document, const Glib::ustring& table_name);