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EditTableDialog: Add buttons to move a field up and down

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Add two buttons to move the currently selected field up or down to allow
changing the field order of a table.

Extend the DBBrowserDB::renameColumn() method to support changing the
position of a field.
This commit is contained in:
Martin Kleusberg
2013-06-13 20:37:19 +02:00
parent bd169e034f
commit 7167129464
8 changed files with 178 additions and 5 deletions
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17
src/sqlitedb.cpp
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@@ -518,7 +518,7 @@ bool DBBrowserDB::addColumn(const QString& tablename, const sqlb::FieldPtr& fiel
return result;
}
bool DBBrowserDB::renameColumn(const QString& tablename, const QString& name, sqlb::FieldPtr to)
bool DBBrowserDB::renameColumn(const QString& tablename, const QString& name, sqlb::FieldPtr to, int move)
{
// NOTE: This function is working around the incomplete ALTER TABLE command in SQLite.
// If SQLite should fully support this command one day, this entire
@@ -574,9 +574,20 @@ bool DBBrowserDB::renameColumn(const QString& tablename, const QString& name, sq
select_cols.chop(1); // remove last comma
} else {
// We want to modify it
newSchema.setField(newSchema.findField(name), to);
select_cols = "*";
// Move field
int index = newSchema.findField(name);
sqlb::FieldPtr temp = newSchema.fields().at(index);
newSchema.setField(index, newSchema.fields().at(index + move));
newSchema.setField(index + move, temp);
// Get names of fields to select from old table now - after the field has been moved and before it might be renamed
for(int i=0;i<newSchema.fields().count();++i)
select_cols.append(QString("`%1`,").arg(newSchema.fields().at(i)->name()));
select_cols.chop(1); // remove last comma
// Modify field
newSchema.setField(index + move, to);
}
// Create the new table