Column('lastname').text.not_null.default("''"),\
Column('bio').text.not_null.default("''"))\
.add_constraints(Unique('firstname').on_conflict_replace)
log = Table('Log').add_cols(
Column('pId').integer.not_null,
Column('firstname').text.not_null,
Column('lastname').text.not_null,
Column('bio').text.not_null,
Column('time').timestamp.default_current_timestamp)
# Create a trigger that keeps the log up to date
# I recommend using temp triggers unless you see a performance hit
trigger = Trigger('tr_log').temp.if_not_exists
trigger.after.update_on(log.name)
# Raw sql
trigger.do_sql("INSERT INTO {table} ({cols}) VALUES\
({oldcols})".format(table=log.name,
cols=log.list_column_names(exclude=['_id', 'time']),
oldcols=persons.list_column_names(exclude=[],
prefix="old.")))
g = Generator(srcdir='./sample/src/', pkg='com.example.appname.database')
g.add_tables(persons, log)
g.add_triggers(trigger)
g.write()
.add_constraints(Unique('firstname').on_conflict_replace)
log = Table('Log').add_cols(Column('pId').integer.not_null,
Column('firstname').text.not_null,
Column('lastname').text.not_null,
Column('bio').text.not_null,
Column('time').timestamp.default_current_timestamp)
# Create a trigger that keeps the log up to date
# I recommend using temp triggers unless you see a performance hit
trigger = Trigger('tr_log').temp.if_not_exists
# Here I have given the wrong table name on purpose. Notice that the sql
# creation will fail because there is no table named bob.
trigger.after.update_on("bob")
#trigger.after.update_on(log.name)
# Raw sql
trigger.do_sql("INSERT INTO {table} ({cols}) VALUES\
({oldcols})".format(table=log.name,
cols=log.list_column_names(exclude=['_id','time']),
oldcols=persons.list_column_names(exclude=[],
prefix="old.")))
# Let's try to create the SQL
st = SQLTester()
st.add_tables(persons, log)
st.add_triggers(trigger)
st.test_create()
