def test_simulate(): with pytest.raises(parse.BQLParseError): # Need limit. parse_bql_string('create table s as simulate x from t') with pytest.raises(parse.BQLParseError): # Need limit. parse_bql_string('create table s as simulate x from t given y = 0') assert parse_bql_string('create table s as' ' simulate x from t limit 10') == \ [ast.CreateTabSim(False, False, 's', ast.Simulate(['x'], 't', ast.ExpLit(ast.LitNull(None)), [], ast.ExpLit(ast.LitInt(10))))] assert parse_bql_string('create table if not exists s as' ' simulate x, y from t given z = 0 limit 10') == \ [ast.CreateTabSim(False, True, 's', ast.Simulate(['x', 'y'], 't', ast.ExpLit(ast.LitNull(None)), [('z', ast.ExpLit(ast.LitInt(0)))], ast.ExpLit(ast.LitInt(10))))] assert parse_bql_string('create temp table s as' ' simulate x, y from t given z = 0 limit 10') == \ [ast.CreateTabSim(True, False, 's', ast.Simulate(['x', 'y'], 't', ast.ExpLit(ast.LitNull(None)), [('z', ast.ExpLit(ast.LitInt(0)))], ast.ExpLit(ast.LitInt(10))))] assert parse_bql_string('create temp table if not exists s as' ' simulate x, y from t given z = 0, w = 1 limit 10') == \ [ast.CreateTabSim(True, True, 's', ast.Simulate(['x', 'y'], 't', ast.ExpLit(ast.LitNull(None)), [ ('z', ast.ExpLit(ast.LitInt(0))), ('w', ast.ExpLit(ast.LitInt(1))), ], ast.ExpLit(ast.LitInt(10))))]
def test_simulate_models(): assert parse_bql_string( 'simulate dependence probability of a with b from models of t;') == [ ast.SimulateModels([ ast.SimCol(ast.ExpBQLDepProb('a', 'b'), None), ], 't', None) ] assert parse_bql_string( 'simulate dependence probability of a with b AS q, ' 'mutual information of c with d given (e, r=2.7) ' 'using 100 samples as g ' 'from models of p modeled by z') == [ ast.SimulateModels([ ast.SimCol(ast.ExpBQLDepProb('a', 'b'), 'q'), ast.SimCol( ast.ExpBQLMutInf('c', 'd', [('e', ast.ExpLit(ast.LitNull(0))), ('r', ast.ExpLit(ast.LitFloat(2.7)))], ast.ExpLit(ast.LitInt(100))), 'g'), ], 'p', 'z') ] assert parse_bql_string( 'simulate probability of (a=2, c=1.1) given (b=0.5) ' 'from models of p') == [ ast.SimulateModels([ ast.SimCol( ast.ExpBQLProb([('a', ast.ExpLit(ast.LitInt(2))), ('c', ast.ExpLit(ast.LitFloat(1.1)))], [ ('b', ast.ExpLit(ast.LitFloat(0.5))) ]), None), ], 'p', None) ] for temp, ifnotexists in itertools.product(('temp', ''), ('if not exists', '')): assert parse_bql_string( 'create %s table %s f as ' 'simulate dependence probability of a with b AS q, ' 'mutual information of c with d ' 'given (e, r=2.7) using 100 samples as g ' 'from models of p modeled by z' % (temp, ifnotexists)) == [ ast.CreateTabSimModels( bool(temp), bool(ifnotexists), 'f', ast.SimulateModels([ ast.SimCol(ast.ExpBQLDepProb('a', 'b'), 'q'), ast.SimCol( ast.ExpBQLMutInf('c', 'd', [ ('e', ast.ExpLit(ast.LitNull(0))), ('r', ast.ExpLit(ast.LitFloat(2.7))) ], ast.ExpLit(ast.LitInt(100))), 'g'), ], 'p', 'z')) ]
def test_select_trivial(): assert parse_bql_string('select null;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpLit(ast.LitNull(None)), None)], None, None, None, None, None)] assert parse_bql_string("select 'x';") == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpLit(ast.LitString('x')), None)], None, None, None, None, None)] assert parse_bql_string("select 'x''y';") == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpLit(ast.LitString("x'y")), None)], None, None, None, None, None)] assert parse_bql_string('select "x";') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpCol(None, 'x'), None)], None, None, None, None, None)] assert parse_bql_string('select "x""y";') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpCol(None, 'x"y'), None)], None, None, None, None, None)] assert parse_bql_string('select 0;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpLit(ast.LitInt(0)), None)], None, None, None, None, None)] assert parse_bql_string('select 0.;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpLit(ast.LitFloat(0)), None)], None, None, None, None, None)] assert parse_bql_string('select .0;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpLit(ast.LitFloat(0)), None)], None, None, None, None, None)] assert parse_bql_string('select 0.0;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpLit(ast.LitFloat(0)), None)], None, None, None, None, None)] assert parse_bql_string('select 1e0;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpLit(ast.LitFloat(1)), None)], None, None, None, None, None)] assert parse_bql_string('select 1e+1;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpLit(ast.LitFloat(10)), None)], None, None, None, None, None)] assert parse_bql_string('select 1e-1;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpLit(ast.LitFloat(.1)), None)], None, None, None, None, None)] assert parse_bql_string('select 1.e0;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpLit(ast.LitFloat(1)), None)], None, None, None, None, None)] assert parse_bql_string('select .1e0;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpLit(ast.LitFloat(.1)), None)], None, None, None, None, None)] assert parse_bql_string('select .1e1;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpLit(ast.LitFloat(1)), None)], None, None, None, None, None)] assert parse_bql_string('select 1.e10;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpLit(ast.LitFloat(1e10)), None)], None, None, None, None, None)] assert parse_bql_string('select all 0;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpLit(ast.LitInt(0)), None)], None, None, None, None, None)] assert parse_bql_string('select distinct 0;') == \ [ast.Select(ast.SELQUANT_DISTINCT, [ast.SelColExp(ast.ExpLit(ast.LitInt(0)), None)], None, None, None, None, None)] assert parse_bql_string('select 0 as z;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpLit(ast.LitInt(0)), 'z')], None, None, None, None, None)] assert parse_bql_string('select * from t;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColAll(None)], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string('select t1.* from t1;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColAll('t1')], [ast.SelTab('t1', None)], None, None, None, None)] assert parse_bql_string('select c from t;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpCol(None, 'c'), None)], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string('select c as d from t;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpCol(None, 'c'), 'd')], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string('select t.c as d from t;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpCol('t', 'c'), 'd')], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string('select t.c as d, p as q, x from t;') == \ [ast.Select(ast.SELQUANT_ALL, [ ast.SelColExp(ast.ExpCol('t', 'c'), 'd'), ast.SelColExp(ast.ExpCol(None, 'p'), 'q'), ast.SelColExp(ast.ExpCol(None, 'x'), None), ], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string('select * from t, u;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColAll(None)], [ast.SelTab('t', None), ast.SelTab('u', None)], None, None, None, None)] assert parse_bql_string('select * from t as u;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColAll(None)], [ast.SelTab('t', 'u')], None, None, None, None)] assert parse_bql_string('select * where x;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColAll(None)], None, ast.ExpCol(None, 'x'), None, None, None)] assert parse_bql_string('select * from t where x;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColAll(None)], [ast.SelTab('t', None)], ast.ExpCol(None, 'x'), None, None, None)] assert parse_bql_string('select * group by x;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColAll(None)], None, None, ast.Grouping([ast.ExpCol(None, 'x')], None), None, None)] assert parse_bql_string('select * from t where x group by y;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColAll(None)], [ast.SelTab('t', None)], ast.ExpCol(None, 'x'), ast.Grouping([ast.ExpCol(None, 'y')], None), None, None)] assert parse_bql_string('select * from t where x group by y, z;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColAll(None)], [ast.SelTab('t', None)], ast.ExpCol(None, 'x'), ast.Grouping([ast.ExpCol(None, 'y'), ast.ExpCol(None, 'z')], None), None, None)] assert parse_bql_string('select * order by x;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColAll(None)], None, None, None, [ast.Ord(ast.ExpCol(None, 'x'), ast.ORD_ASC)], None)] assert parse_bql_string('select * order by x asc;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColAll(None)], None, None, None, [ast.Ord(ast.ExpCol(None, 'x'), ast.ORD_ASC)], None)] assert parse_bql_string('select * order by x desc;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColAll(None)], None, None, None, [ast.Ord(ast.ExpCol(None, 'x'), ast.ORD_DESC)], None)] assert parse_bql_string('select * order by x, y;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColAll(None)], None, None, None, [ast.Ord(ast.ExpCol(None, 'x'), ast.ORD_ASC), ast.Ord(ast.ExpCol(None, 'y'), ast.ORD_ASC)], None)] assert parse_bql_string('select * order by x desc, y;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColAll(None)], None, None, None, [ast.Ord(ast.ExpCol(None, 'x'), ast.ORD_DESC), ast.Ord(ast.ExpCol(None, 'y'), ast.ORD_ASC)], None)] assert parse_bql_string('select * order by x, y asc;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColAll(None)], None, None, None, [ast.Ord(ast.ExpCol(None, 'x'), ast.ORD_ASC), ast.Ord(ast.ExpCol(None, 'y'), ast.ORD_ASC)], None)] assert parse_bql_string('select * limit 32;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColAll(None)], None, None, None, None, ast.Lim(ast.ExpLit(ast.LitInt(32)), None))] assert parse_bql_string('select * limit 32 offset 16;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColAll(None)], None, None, None, None, ast.Lim(ast.ExpLit(ast.LitInt(32)), ast.ExpLit(ast.LitInt(16))))] assert parse_bql_string('select * limit 16, 32;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColAll(None)], None, None, None, None, ast.Lim(ast.ExpLit(ast.LitInt(32)), ast.ExpLit(ast.LitInt(16))))] assert parse_bql_string('select (select0);') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpCol(None, 'select0'), None)], None, None, None, None, None)] assert parse_bql_string('select (select 0);') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp( ast.ExpSub(ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpLit(ast.LitInt(0)), None)], None, None, None, None, None) ), None, )], None, None, None, None, None)] assert parse_bql_string('select f(f(), f(x), f(*), f(distinct x), y);') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp( ast.ExpApp(False, 'f', [ ast.ExpApp(False, 'f', []), ast.ExpApp(False, 'f', [ast.ExpCol(None, 'x')]), ast.ExpAppStar('f'), ast.ExpApp(True, 'f', [ast.ExpCol(None, 'x')]), ast.ExpCol(None, 'y'), ]), None, )], None, None, None, None, None)]
def test_select_bql(): assert parse_bql_string('select predictive probability of c from t;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpBQLPredProb('c'), None)], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string('select predictive probability of c, * from t;') \ == \ [ast.Select(ast.SELQUANT_ALL, [ ast.SelColExp(ast.ExpBQLPredProb('c'), None), ast.SelColAll(None), ], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string('select c, predictive probability of d from t;') \ == \ [ast.Select(ast.SELQUANT_ALL, [ ast.SelColExp(ast.ExpCol(None, 'c'), None), ast.SelColExp(ast.ExpBQLPredProb('d'), None), ], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string('select predictive probability of c, d from t;') \ == \ [ast.Select(ast.SELQUANT_ALL, [ ast.SelColExp(ast.ExpBQLPredProb('c'), None), ast.SelColExp(ast.ExpCol(None, 'd'), None), ], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string('select probability of c = 42 from t;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpBQLProb([('c', ast.ExpLit(ast.LitInt(42)))], []), None)], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string('select similarity from t;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpBQLSim(None, [ast.ColListAll()]), None)], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string('select similarity to (rowid=8) from t;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp( ast.ExpBQLSim( ast.ExpOp(ast.OP_EQ, ( ast.ExpCol(None, 'rowid'), ast.ExpLit(ast.LitInt(8)) )), [ast.ColListAll()]), None)], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string('select similarity with respect to c from t;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpBQLSim(None, [ast.ColListLit(['c'])]), None)], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string( 'select similarity to (rowid=8) with respect to c from t;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp( ast.ExpBQLSim( ast.ExpOp(ast.OP_EQ, ( ast.ExpCol(None, 'rowid'), ast.ExpLit(ast.LitInt(8)), )), [ast.ColListLit(['c'])]), None)], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string( 'select similarity to (rowid=5) with respect to age from t1;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp( ast.ExpBQLSim( ast.ExpOp(ast.OP_EQ, ( ast.ExpCol(None, 'rowid'), ast.ExpLit(ast.LitInt(5)), )), [ast.ColListLit(['age'])]), None)], [ast.SelTab('t1', None)], None, None, None, None)] assert parse_bql_string( 'select similarity to (rowid=8) with respect to c, d from t;') == \ [ast.Select(ast.SELQUANT_ALL, [ ast.SelColExp( ast.ExpBQLSim( ast.ExpOp(ast.OP_EQ, ( ast.ExpCol(None, 'rowid'), ast.ExpLit(ast.LitInt(8)), )), [ast.ColListLit(['c'])]), None), ast.SelColExp(ast.ExpCol(None, 'd'), None), ], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string('select similarity to (rowid=8)' ' with respect to (c, d) from t;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp( ast.ExpBQLSim( ast.ExpOp(ast.OP_EQ, ( ast.ExpCol(None, 'rowid'), ast.ExpLit(ast.LitInt(8)), )), [ast.ColListLit(['c']), ast.ColListLit(['d'])]), None)], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string('select similarity to (rowid=8) with respect to' + ' (estimate * from columns of t order by ' + ' probability of value 4 limit 1)' + ' from t;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp( ast.ExpBQLSim( ast.ExpOp(ast.OP_EQ, ( ast.ExpCol(None, 'rowid'), ast.ExpLit(ast.LitInt(8)), )), [ast.ColListSub( ast.EstCols([ast.SelColAll(None)], 't', None, None, [ast.Ord(ast.ExpBQLProbFn( ast.ExpLit(ast.LitInt(4)), []), ast.ORD_ASC)], ast.Lim(ast.ExpLit(ast.LitInt(1)), None)) )]), None)], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string('select dependence probability with c from t;') ==\ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpBQLDepProb('c', None), None)], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string( 'select dependence probability of c with d from t;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpBQLDepProb('c', 'd'), None)], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string('select mutual information with c from t;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpBQLMutInf('c', None, None, None), None)], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string( 'select mutual information of c with d from t;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpBQLMutInf('c', 'd', None, None), None)], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string('select mutual information of c with d' + ' using (1+2) samples from t;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp( ast.ExpBQLMutInf( 'c', 'd', None, ast.op( ast.OP_ADD, ast.ExpLit(ast.LitInt(1)), ast.ExpLit(ast.LitInt(2)))), None)], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string(''' select mutual information with c given (d, a=1) using 10 samples from t; ''') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp( ast.ExpBQLMutInf( 'c', None, [('d', ast.ExpLit(ast.LitNull(0))), ('a',ast.ExpLit(ast.LitInt(1)))], ast.ExpLit(ast.LitInt(10)) ), None)], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string(''' select mutual information of b with c given (d, a=1, e, r=2) from t;''') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp( ast.ExpBQLMutInf( 'b', 'c', [ ('d', ast.ExpLit(ast.LitNull(0))), ('a',ast.ExpLit(ast.LitInt(1))), ('e', ast.ExpLit(ast.LitNull(0))), ('r', ast.ExpLit(ast.LitInt(2))), ], None ), None)], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string('select correlation with c from t;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpBQLCorrel('c', None), None)], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string('select correlation of c with d from t;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpBQLCorrel('c', 'd'), None)], [ast.SelTab('t', None)], None, None, None, None)] # XXX This got broken a while ago: parenthesization in PROBABILITY # OF X = E is too permissive. I didn't notice because before I # introduced BQLParseError, this simply caught Exception -- which # covered the AssertionError that this turned into. # # with pytest.raises(parse.BQLParseError): # parse_bql_string('select probability of x = 1 -' + # ' probability of y = 0 from t;') # # XXX Should really be this test, but getting the grammar to # # admit this unambiguously is too much of a pain at the # # moment. # assert parse_bql_string('select probability of x = 1 -' + # ' probability of y = 0 from t;') == \ # [ast.Select(ast.SELQUANT_ALL, # [ast.SelColExp(ast.ExpBQLProb([('x', # ast.ExpOp(ast.OP_SUB, ( # ast.ExpLit(ast.LitInt(1)), # ast.ExpBQLProb([('y', # ast.ExpLit(ast.LitInt(0)))], # []), # )))], # []), # None)], # [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string('select probability of c1 = f(c2) from t;') == \ [ast.Select(ast.SELQUANT_ALL, [ast.SelColExp(ast.ExpBQLProb([('c1', ast.ExpApp(False, 'f', [ast.ExpCol(None, 'c2')]))], []), None)], [ast.SelTab('t', None)], None, None, None, None)] assert parse_bql_string('select key, t.(estimate * from columns of t' ' order by dependence probability with c desc limit 4)' ' from t order by key asc') == \ [ast.Select(ast.SELQUANT_ALL, [ ast.SelColExp(ast.ExpCol(None, 'key'), None), ast.SelColSub('t', ast.EstCols([ast.SelColAll(None)], 't', None, None, [ast.Ord(ast.ExpBQLDepProb('c', None), ast.ORD_DESC)], ast.Lim(ast.ExpLit(ast.LitInt(4)), None))) ], [ast.SelTab('t', None)], None, None, [ast.Ord(ast.ExpCol(None, 'key'), ast.ORD_ASC)], None)]
def p_literal_null(self): return ast.LitNull(None)
def p_mi_constraint_m(self, col): return (col, ast.ExpLit(ast.LitNull(0)))
def test_trivial_commands(): assert parse_bql_string('create generator t_cc for t using crosscat' '(xyz numerical, pqr categorical, lmn cyclic)') == \ [ast.CreateGen(False, 't_cc', False, 't', 'crosscat', [ ['xyz', 'numerical'], ['pqr', 'categorical'], ['lmn', 'cyclic'], ])] assert parse_bql_string('create default generator t_cc for t using crosscat' '(xyz numerical, pqr categorical, lmn cyclic)') == \ [ast.CreateGen(True, 't_cc', False, 't', 'crosscat', [ ['xyz', 'numerical'], ['pqr', 'categorical'], ['lmn', 'cyclic'], ])] assert parse_bql_string('create generator t_cc if not exists' ' for t using crosscat' '(xyz numerical, pqr categorical, lmn cyclic)') == \ [ast.CreateGen(False, 't_cc', True, 't', 'crosscat', [ ['xyz', 'numerical'], ['pqr', 'categorical'], ['lmn', 'cyclic'], ])] assert parse_bql_string('initialize 1 model for t;') == \ [ast.InitModels(False, 't', 1, None)] assert parse_bql_string('initialize 1 model if not exists for t;') == \ [ast.InitModels(True, 't', 1, None)] assert parse_bql_string('initialize 2 models for t;') == \ [ast.InitModels(False, 't', 2, None)] assert parse_bql_string('initialize 2 models if not exists for t;') == \ [ast.InitModels(True, 't', 2, None)] assert parse_bql_string('analyze t for 1 iteration;') == \ [ast.AnalyzeModels('t', None, 1, None, None, None, False)] assert parse_bql_string('analyze t for 1 iteration wait;') == \ [ast.AnalyzeModels('t', None, 1, None, None, None, True)] assert parse_bql_string('analyze t for 1 minute;') == \ [ast.AnalyzeModels('t', None, None, 60, None, None, False)] assert parse_bql_string('analyze t for 1 minute wait;') == \ [ast.AnalyzeModels('t', None, None, 60, None, None, True)] assert parse_bql_string('analyze t for 2 minutes;') == \ [ast.AnalyzeModels('t', None, None, 120, None, None, False)] assert parse_bql_string('analyze t for 2 minutes wait;') == \ [ast.AnalyzeModels('t', None, None, 120, None, None, True)] assert parse_bql_string('analyze t for 1 second;') == \ [ast.AnalyzeModels('t', None, None, 1, None, None, False)] assert parse_bql_string('analyze t for 1 second wait;') == \ [ast.AnalyzeModels('t', None, None, 1, None, None, True)] assert parse_bql_string('analyze t for 2 seconds;') == \ [ast.AnalyzeModels('t', None, None, 2, None, None, False)] assert parse_bql_string('analyze t for 2 seconds wait;') == \ [ast.AnalyzeModels('t', None, None, 2, None, None, True)] assert parse_bql_string('analyze t model 1 for 1 iteration;') == \ [ast.AnalyzeModels('t', [1], 1, None, None, None, False)] assert parse_bql_string('analyze t models 1,2,3 for 1 iteration;') == \ [ast.AnalyzeModels('t', [1,2,3], 1, None, None, None, False)] assert parse_bql_string('analyze t models 1-3,5 for 1 iteration;') == \ [ast.AnalyzeModels('t', [1,2,3,5], 1, None, None, None, False)] assert parse_bql_string('analyze t for 10 iterations' ' checkpoint 3 iterations') == \ [ast.AnalyzeModels('t', None, 10, None, 3, None, False)] assert parse_bql_string('analyze t for 10 seconds' ' checkpoint 3 seconds') == \ [ast.AnalyzeModels('t', None, None, 10, None, 3, False)] assert parse_bql_string('create temporary table tx as' ' infer explicit x, predict x as xi confidence xc from t_cc') == \ [ast.CreateTabAs(True, False, 'tx', ast.InferExplicit( [ ast.SelColExp(ast.ExpCol(None, 'x'), None), ast.PredCol('x', 'xi', 'xc'), ], 't_cc', ast.ExpLit(ast.LitNull(None)), None, None, None, None, ))]
def p_usingmodel_opt_all(self): return ast.ExpLit(ast.LitNull(None))
def p_literal_null(self): return ast.LitNull(None) def p_literal_integer(self, i): return ast.LitInt(i)