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Make it possible to add rows to a WITHOUT rowid table

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This commit allows you to add new rows to a table without rowid column.
The main problem here is that SQLite won't create the next value for the
primary key column itself, so we have to do that instead.

See issue #51.
This commit is contained in:
Martin Kleusberg
2014-08-26 18:38:04 +02:00
parent e37df8658c
commit c7de94cb77
3 changed files with 38 additions and 21 deletions
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29
src/sqlitetypes.cpp
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@@ -156,28 +156,29 @@ QPair<Table, bool> Table::parseSQL(const QString &sSQL)
return qMakePair(Table(""), false);
}
QString Table::emptyInsertStmt() const
QString Table::emptyInsertStmt(int pk_value) const
{
QString stmt = QString("INSERT INTO `%1`").arg(m_name);
QStringList vals;
QStringList fields;
foreach(FieldPtr f, m_fields) {
if(f->notnull())
if( f->primaryKey() && f->isInteger() )
{
fields << f->name();
if( f->primaryKey() && f->isInteger() )
{
if(pk_value != -1)
vals << QString::number(pk_value);
else
vals << "NULL";
} else {
if(f->isInteger())
vals << "0";
else
vals << "''";
}
}
else
{
} else if(f->notnull()) {
fields << f->name();
if(f->isInteger())
vals << "0";
else
vals << "''";
} else {
// don't insert into fields with a default value
// or we will never see it.
if(f->defaultValue().length() == 0)
@@ -228,7 +229,7 @@ QString Table::sql() const
sql += "\n)";
// without rowid
if(m_rowidColumn != "_rowid_")
if(isWithoutRowidTable())
sql += " WITHOUT ROWID";
return sql + ";";