Exemplo n.º 1
0
func (self *FilteringSuite) TestEqualityFiltering(c *C) {
	queryStr := "select * from t where column_one = 100 and column_two <> 6;"
	query, err := parser.ParseSelectQuery(queryStr)
	c.Assert(err, IsNil)

	series, err := common.StringToSeriesArray(`
[
 {
   "points": [
     {"values": [{"int64_value": 100},{"int64_value": 5 }], "timestamp": 1381346631, "sequence_number": 1},
     {"values": [{"int64_value": 100},{"int64_value": 6 }], "timestamp": 1381346631, "sequence_number": 1},
     {"values": [{"int64_value": 90 },{"int64_value": 15}], "timestamp": 1381346632, "sequence_number": 1}
   ],
   "name": "t",
   "fields": ["column_one", "column_two"]
 }
]
`)
	c.Assert(err, IsNil)
	result, err := Filter(query, series[0])
	c.Assert(err, IsNil)
	c.Assert(result, NotNil)
	c.Assert(result.Points, HasLen, 1)
	c.Assert(*result.Points[0].Values[0].Int64Value, Equals, int64(100))
	c.Assert(*result.Points[0].Values[1].Int64Value, Equals, int64(5))
}
Exemplo n.º 2
0
func (self *FilteringSuite) TestFilteringWithGroupBy(c *C) {
	queryStr := "select sum(column_one) from t group by column_two where column_one = 85;"
	query, err := parser.ParseSelectQuery(queryStr)
	c.Assert(err, IsNil)

	series, err := common.StringToSeriesArray(`
[
 {
   "points": [
     {"values": [{"int64_value": 100},{"int64_value": 5 }], "timestamp": 1381346631, "sequence_number": 1},
     {"values": [{"int64_value": 85},{"int64_value": 6 }], "timestamp": 1381346631, "sequence_number": 1},
     {"values": [{"int64_value": 90 },{"int64_value": 15}], "timestamp": 1381346632, "sequence_number": 1}
   ],
   "name": "t",
   "fields": ["column_one", "column_two"]
 }
]
`)
	c.Assert(err, IsNil)
	result, err := Filter(query, series[0])
	c.Assert(err, IsNil)
	c.Assert(result, NotNil)
	c.Assert(result.Points, HasLen, 1)
	c.Assert(result.Fields, HasLen, 2)
}
Exemplo n.º 3
0
func (self *FilteringSuite) TestFilteringNonExistentColumn(c *C) {
	queryStr := "select * from t where column_one = 100 and column_two <> 6"
	query, err := parser.ParseSelectQuery(queryStr)
	c.Assert(err, IsNil)

	series, err := common.StringToSeriesArray(`
[
 {
   "points": [
     {"values": [{"int64_value": 100}], "timestamp": 1381346631, "sequence_number": 1},
     {"values": [{"int64_value": 90 }], "timestamp": 1381346632, "sequence_number": 1}
   ],
   "name": "t",
   "fields": ["column_one"]
 }
]
`)
	c.Assert(err, IsNil)
	_, err = Filter(query, series[0])
	c.Assert(err, NotNil)
}
Exemplo n.º 4
0
func (self *FilteringSuite) TestNotRegexFiltering(c *C) {
	queryStr := "select * from t where column_one !~ /.*foo.*/ and time > now() - 1d;"
	query, err := parser.ParseSelectQuery(queryStr)
	c.Assert(err, IsNil)
	series, err := common.StringToSeriesArray(`
[
 {
   "points": [
     {"values": [{"string_value": "100"}], "timestamp": 1381346631, "sequence_number": 1},
     {"values": [{"string_value": "foobar"}], "timestamp": 1381346631, "sequence_number": 1}
   ],
   "name": "t",
   "fields": ["column_one"]
 }
]
`)
	c.Assert(err, IsNil)
	result, err := Filter(query, series[0])
	c.Assert(err, IsNil)
	c.Assert(result, NotNil)
	c.Assert(result.Points, HasLen, 1)
	c.Assert(*result.Points[0].Values[0].StringValue, Equals, "100")
}
Exemplo n.º 5
0
func (self *FilteringSuite) TestFilteringWithJoin(c *C) {
	queryStr := "select * from t as bar inner join t as foo where bar.column_one = 100 and foo.column_two <> 6;"
	query, err := parser.ParseSelectQuery(queryStr)
	c.Assert(err, IsNil)
	series, err := common.StringToSeriesArray(`
[
 {
   "points": [
     {"values": [{"int64_value": 100},{"int64_value": 5 }], "timestamp": 1381346631, "sequence_number": 1},
     {"values": [{"int64_value": 100},{"int64_value": 6 }], "timestamp": 1381346631, "sequence_number": 1},
     {"values": [{"int64_value": 90 },{"int64_value": 15}], "timestamp": 1381346632, "sequence_number": 1}
   ],
   "name": "foo_join_bar",
   "fields": ["bar.column_one", "foo.column_two"]
 }
]
`)
	c.Assert(err, IsNil)
	result, err := Filter(query, series[0])
	c.Assert(err, IsNil)
	c.Assert(result, NotNil)
	// no filtering should happen for join queries
	c.Assert(result.Points, HasLen, 1)
}