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Add usage info at migration script generator.

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Also suppress error at the latest migration script
for backward compatibility with existing database, in which
open_invitations column wasn't added via migration.
This commit is contained in:
Nurahmadie 2014-03-12 08:33:04 +07:00
parent 89a00bd448
commit 97825cf6bf
2 changed files with 23 additions and 6 deletions
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7
pkg/database/migrate/20140310104446_add_open_invitation_column.go
View file

@ -9,10 +9,9 @@ func (r *rev20140310104446) Revision() int64 {
}
func (r *rev20140310104446) Up(mg *MigrationDriver) error {
if _, err := mg.AddColumn("settings", "open_invitations BOOLEAN"); err != nil {
return err
}
_, err := mg.Tx.Exec("UPDATE settings SET open_invitations=0 WHERE open_invitations IS NULL")
// Suppress error here for backward compatibility
_, err := mg.AddColumn("settings", "open_invitations BOOLEAN")
_, err = mg.Tx.Exec("UPDATE settings SET open_invitations=0 WHERE open_invitations IS NULL")
return err
}

22
pkg/database/migrate/migration
View file

@ -9,6 +9,24 @@ titleize() {
echo "$1" | sed -r -e "s/-|_/ /g" -e 's/\b(.)/\U\1/g' -e 's/ //g'
}
howto() {
echo "Usage:"
echo " ./migration create_sample_table"
echo ""
echo "Above invocation will create a migration script called:"
echo " ${REV}_create_sample_table.go"
echo "You can add your migration step at the Up and Down function"
echo "definition inside the file."
echo ""
echo "Database transaction available through MigrationDriver,"
echo "so you can access mg.Tx (sql.Tx instance) directly,"
echo "there are also some migration helpers available, see api.go"
echo "for the list of available helpers (Operation interface)."
echo ""
}
[[ $# -eq 0 ]] && howto && exit 0
cat > ${REV}_$filename.go << EOF
package migrate
@ -20,11 +38,11 @@ func (r *rev$REV) Revision() int64 {
${TAB}return $REV
}
func (r *rev$REV) Up(op Operation) error {
func (r *rev$REV) Up(mg *MigrationDriver) error {
${TAB}// Migration steps here
}
func (r *rev$REV) Down(op Operation) error {
func (r *rev$REV) Down(mg *MigrationDriver) error {
${TAB}// Revert migration steps here
}
EOF