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Diffstat (limited to 'odb-tests/evolution/alter-column/driver.cxx')
-rw-r--r-- | odb-tests/evolution/alter-column/driver.cxx | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/odb-tests/evolution/alter-column/driver.cxx b/odb-tests/evolution/alter-column/driver.cxx new file mode 100644 index 0000000..cf7cbc3 --- /dev/null +++ b/odb-tests/evolution/alter-column/driver.cxx @@ -0,0 +1,164 @@ +// file : evolution/alter-column/driver.cxx +// license : GNU GPL v2; see accompanying LICENSE file + +// Test altering a column. +// + +#include <memory> // std::unique_ptr +#include <iostream> + +#include <odb/database.hxx> +#include <odb/transaction.hxx> +#include <odb/schema-catalog.hxx> + +#include <libcommon/common.hxx> + +#include "test2.hxx" +#include "test3.hxx" +#include "test2-odb.hxx" +#include "test3-odb.hxx" + +#undef NDEBUG +#include <cassert> + +using namespace std; +using namespace odb::core; + +int +main (int argc, char* argv[]) +{ + try + { + unique_ptr<database> db (create_database (argc, argv, false)); + + db->schema_version_table (quote_name ("evo_alter_c_sv")); + + // SQLite doesn't support altering of columns. + // +#ifndef DATABASE_SQLITE + bool embedded (schema_catalog::exists (*db)); + + // 1 - base version + // 2 - migration + // 3 - current version + // + unsigned short pass (*argv[argc - 1] - '0'); + + switch (pass) + { + case 1: + { + using namespace v2; + + if (embedded) + { + transaction t (db->begin ()); + schema_catalog::drop_schema (*db); + schema_catalog::create_schema (*db, "", false); + schema_catalog::migrate_schema (*db, 2); + t.commit (); + } + + object o (1); + o.num = 123; + + { + transaction t (db->begin ()); + db->persist (o); + t.commit (); + } + break; + } + case 2: + { + using namespace v3; + + if (embedded) + { + transaction t (db->begin ()); + schema_catalog::migrate_schema_pre (*db, 3); + t.commit (); + } + + // NULL is already in effect; NOT NULL is not yet. + // + { + transaction t (db->begin ()); + unique_ptr<object> p (db->load<object> (1)); + + assert (!p->str); + assert (p->num && *p->num == 123); + assert (!p->num1); + + // Migration. + // + p->str = "abc"; + p->num.reset (); + p->num1 = 123; + db->update (*p); + + t.commit (); + } + + if (embedded) + { + transaction t (db->begin ()); + schema_catalog::migrate_schema_post (*db, 3); + t.commit (); + } + break; + } + case 3: + { + using namespace v3; + + { + transaction t (db->begin ()); + unique_ptr<object> p (db->load<object> (1)); + + assert (p->str && *p->str == "abc"); + assert (!p->num); + + t.commit (); + } + + // NOT NULL is now in effect. + // + try + { + object o2 (2); + o2.num1 = 234; // str is NULL + + transaction t (db->begin ()); + db->persist (o2); + assert (false); + } + catch (const odb::exception& ) {} + + try + { + object o3 (3); + o3.str = "bcd"; // num1 is NULL + + transaction t (db->begin ()); + db->persist (o3); + assert (false); + } + catch (const odb::exception& ) {} + + break; + } + default: + { + cerr << "unknown pass number '" << argv[argc - 1] << "'" << endl; + return 1; + } + } +#endif // DATABASE_SQLITE + } + catch (const odb::exception& e) + { + cerr << e.what () << endl; + return 1; + } +} |