from sqlalchemy import *
from sqlalchemy.databases import informix
from sqlalchemy.test import *


class CompileTest(TestBase, AssertsCompiledSQL):
    __only_on__ = 'informix'
    __dialect__ = informix.InformixDialect()
    
    def test_statements(self):
        meta =MetaData()
        t1= Table('t1', meta, Column('col1', Integer, primary_key=True), Column('col2', String(50)))
        t2= Table('t2', meta, Column('col1', Integer, primary_key=True), Column('col2', String(50)), Column('col3', Integer, ForeignKey('t1.col1')))
        
        self.assert_compile(t1.select(), "SELECT t1.col1, t1.col2 FROM t1")
    
        self.assert_compile(select([t1, t2]).select_from(t1.join(t2)), "SELECT t1.col1, t1.col2, t2.col1, t2.col2, t2.col3 FROM t1 JOIN t2 ON t1.col1 = t2.col3")

        self.assert_compile(t1.update().values({t1.c.col1 : t1.c.col1 + 1}), 'UPDATE t1 SET col1=(t1.col1 + ?)')
        
        
