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vsphere-influxdb-go/vendor/github.com/influxdata/influxdb/influxql/statement_rewriter_test.go

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2017-10-25 22:52:40 +02:00
package influxql_test
import (
"testing"
"github.com/influxdata/influxdb/influxql"
)
func TestRewriteStatement(t *testing.T) {
tests := []struct {
stmt string
s string
}{
{
stmt: `SHOW FIELD KEYS`,
s: `SELECT fieldKey, fieldType FROM _fieldKeys`,
},
{
stmt: `SHOW FIELD KEYS ON db0`,
s: `SELECT fieldKey, fieldType FROM db0.._fieldKeys`,
},
{
stmt: `SHOW FIELD KEYS FROM cpu`,
s: `SELECT fieldKey, fieldType FROM _fieldKeys WHERE _name = 'cpu'`,
},
{
stmt: `SHOW FIELD KEYS ON db0 FROM cpu`,
s: `SELECT fieldKey, fieldType FROM db0.._fieldKeys WHERE _name = 'cpu'`,
},
{
stmt: `SHOW FIELD KEYS FROM /c.*/`,
s: `SELECT fieldKey, fieldType FROM _fieldKeys WHERE _name =~ /c.*/`,
},
{
stmt: `SHOW FIELD KEYS ON db0 FROM /c.*/`,
s: `SELECT fieldKey, fieldType FROM db0.._fieldKeys WHERE _name =~ /c.*/`,
},
{
stmt: `SHOW FIELD KEYS FROM mydb.myrp2.cpu`,
s: `SELECT fieldKey, fieldType FROM mydb.myrp2._fieldKeys WHERE _name = 'cpu'`,
},
{
stmt: `SHOW FIELD KEYS ON db0 FROM mydb.myrp2.cpu`,
s: `SELECT fieldKey, fieldType FROM mydb.myrp2._fieldKeys WHERE _name = 'cpu'`,
},
{
stmt: `SHOW FIELD KEYS FROM mydb.myrp2./c.*/`,
s: `SELECT fieldKey, fieldType FROM mydb.myrp2._fieldKeys WHERE _name =~ /c.*/`,
},
{
stmt: `SHOW FIELD KEYS ON db0 FROM mydb.myrp2./c.*/`,
s: `SELECT fieldKey, fieldType FROM mydb.myrp2._fieldKeys WHERE _name =~ /c.*/`,
},
{
stmt: `SHOW SERIES`,
s: `SELECT "key" FROM _series`,
},
{
stmt: `SHOW SERIES ON db0`,
s: `SELECT "key" FROM db0.._series`,
},
{
stmt: `SHOW SERIES FROM cpu`,
s: `SELECT "key" FROM _series WHERE _name = 'cpu'`,
},
{
stmt: `SHOW SERIES ON db0 FROM cpu`,
s: `SELECT "key" FROM db0.._series WHERE _name = 'cpu'`,
},
{
stmt: `SHOW SERIES FROM mydb.myrp1.cpu`,
s: `SELECT "key" FROM mydb.myrp1._series WHERE _name = 'cpu'`,
},
{
stmt: `SHOW SERIES ON db0 FROM mydb.myrp1.cpu`,
s: `SELECT "key" FROM mydb.myrp1._series WHERE _name = 'cpu'`,
},
{
stmt: `SHOW SERIES FROM mydb.myrp1./c.*/`,
s: `SELECT "key" FROM mydb.myrp1._series WHERE _name =~ /c.*/`,
},
{
stmt: `SHOW SERIES ON db0 FROM mydb.myrp1./c.*/`,
s: `SELECT "key" FROM mydb.myrp1._series WHERE _name =~ /c.*/`,
},
{
stmt: `SHOW TAG KEYS`,
s: `SELECT tagKey FROM _tagKeys`,
},
{
stmt: `SHOW TAG KEYS ON db0`,
s: `SELECT tagKey FROM db0.._tagKeys`,
},
{
stmt: `SHOW TAG KEYS FROM cpu`,
s: `SELECT tagKey FROM _tagKeys WHERE _name = 'cpu'`,
},
{
stmt: `SHOW TAG KEYS ON db0 FROM cpu`,
s: `SELECT tagKey FROM db0.._tagKeys WHERE _name = 'cpu'`,
},
{
stmt: `SHOW TAG KEYS FROM /c.*/`,
s: `SELECT tagKey FROM _tagKeys WHERE _name =~ /c.*/`,
},
{
stmt: `SHOW TAG KEYS ON db0 FROM /c.*/`,
s: `SELECT tagKey FROM db0.._tagKeys WHERE _name =~ /c.*/`,
},
{
stmt: `SHOW TAG KEYS FROM cpu WHERE region = 'uswest'`,
s: `SELECT tagKey FROM _tagKeys WHERE (_name = 'cpu') AND (region = 'uswest')`,
},
{
stmt: `SHOW TAG KEYS ON db0 FROM cpu WHERE region = 'uswest'`,
s: `SELECT tagKey FROM db0.._tagKeys WHERE (_name = 'cpu') AND (region = 'uswest')`,
},
{
stmt: `SHOW TAG KEYS FROM mydb.myrp1.cpu`,
s: `SELECT tagKey FROM mydb.myrp1._tagKeys WHERE _name = 'cpu'`,
},
{
stmt: `SHOW TAG KEYS ON db0 FROM mydb.myrp1.cpu`,
s: `SELECT tagKey FROM mydb.myrp1._tagKeys WHERE _name = 'cpu'`,
},
{
stmt: `SHOW TAG KEYS FROM mydb.myrp1./c.*/`,
s: `SELECT tagKey FROM mydb.myrp1._tagKeys WHERE _name =~ /c.*/`,
},
{
stmt: `SHOW TAG KEYS ON db0 FROM mydb.myrp1./c.*/`,
s: `SELECT tagKey FROM mydb.myrp1._tagKeys WHERE _name =~ /c.*/`,
},
{
stmt: `SHOW TAG KEYS FROM mydb.myrp1.cpu WHERE region = 'uswest'`,
s: `SELECT tagKey FROM mydb.myrp1._tagKeys WHERE (_name = 'cpu') AND (region = 'uswest')`,
},
{
stmt: `SHOW TAG KEYS ON db0 FROM mydb.myrp1.cpu WHERE region = 'uswest'`,
s: `SELECT tagKey FROM mydb.myrp1._tagKeys WHERE (_name = 'cpu') AND (region = 'uswest')`,
},
{
stmt: `SELECT value FROM cpu`,
s: `SELECT value FROM cpu`,
},
}
for _, test := range tests {
stmt, err := influxql.ParseStatement(test.stmt)
if err != nil {
t.Errorf("error parsing statement: %s", err)
} else {
stmt, err = influxql.RewriteStatement(stmt)
if err != nil {
t.Errorf("error rewriting statement: %s", err)
} else if s := stmt.String(); s != test.s {
t.Errorf("error rendering string. expected %s, actual: %s", test.s, s)
}
}
}
}