func DropSecondaryIndex(indexName, bucketName, server string) error {
log.Printf("Dropping the secondary index %v", indexName)
client, e := CreateClient(server, "2itest")
if e != nil {
return e
}
defer client.Close()
indexes, err := client.Refresh()
tc.HandleError(err, "Error while listing the secondary indexes")
for _, index := range indexes {
defn := index.Definition
if (defn.Name == indexName) && (defn.Bucket == bucketName) {
start := time.Now()
e := client.DropIndex(uint64(defn.DefnId))
elapsed := time.Since(start)
if e == nil {
log.Printf("Index dropped")
tc.LogPerfStat("DropIndex", elapsed)
} else {
return e
}
}
}
return nil
}
// Todo: Remove this function and update functional tests to use BuildIndexes
func BuildIndex(indexName, bucketName, server string, indexActiveTimeoutSeconds int64) error {
client, e := CreateClient(server, "2itest")
if e != nil {
return e
}
defer client.Close()
defnID, _ := GetDefnID(client, bucketName, indexName)
start := time.Now()
err := client.BuildIndexes([]uint64{defnID})
time.Sleep(2 * time.Second) // This wait is required for index state to get updated from error to initial, for example
if err == nil {
log.Printf("Build the deferred index %v. Waiting for the index to become active", indexName)
e := WaitTillIndexActive(defnID, client, indexActiveTimeoutSeconds)
if e != nil {
return e
} else {
elapsed := time.Since(start)
tc.LogPerfStat("BuildIndex", elapsed)
return nil
}
}
return err
}
func Lookup(indexName, bucketName, server string, values []interface{}, distinct bool, limit int64, consistency c.Consistency, vector *qc.TsConsistency) (tc.ScanResponse, error) {
var scanErr error
scanErr = nil
// ToDo: Create a client pool
client, e := CreateClient(server, "2itest")
if e != nil {
return nil, e
}
defer client.Close()
defnID, _ := GetDefnID(client, bucketName, indexName)
scanResults := make(tc.ScanResponse)
start := time.Now()
connErr := client.Lookup(
defnID, []c.SecondaryKey{values}, distinct, limit,
consistency, vector,
func(response qc.ResponseReader) bool {
if err := response.Error(); err != nil {
scanErr = err
return false
} else if skeys, pkeys, err := response.GetEntries(); err != nil {
scanErr = err
return false
} else {
for i, skey := range skeys {
primaryKey := string(pkeys[i])
if _, keyPresent := scanResults[primaryKey]; keyPresent {
// Duplicate primary key found
tc.HandleError(err, "Duplicate primary key found in the scan results: "+primaryKey)
} else {
scanResults[primaryKey] = skey
}
}
return true
}
return false
})
elapsed := time.Since(start)
if connErr != nil {
log.Printf("Connection error in Scan occured: %v", connErr)
return scanResults, connErr
} else if scanErr != nil {
return scanResults, scanErr
}
tc.LogPerfStat("Lookup", elapsed)
return scanResults, nil
}
// Creates an index and waits for it to become active
func CreateSecondaryIndex(
indexName, bucketName, server, whereExpr string, indexFields []string, isPrimary bool, with []byte,
skipIfExists bool, indexActiveTimeoutSeconds int64, client *qc.GsiClient) error {
if client == nil {
c, e := CreateClient(server, "2itest")
if e != nil {
return e
}
client = c
defer client.Close()
}
indexExists := IndexExistsWithClient(indexName, bucketName, server, client)
if skipIfExists == true && indexExists == true {
return nil
}
var secExprs []string
if isPrimary == false {
for _, indexField := range indexFields {
expr, err := n1ql.ParseExpression(indexField)
if err != nil {
log.Printf("Creating index %v. Error while parsing the expression (%v) : %v", indexName, indexField, err)
}
secExprs = append(secExprs, expression.NewStringer().Visit(expr))
}
}
using := "gsi"
exprType := "N1QL"
partnExp := ""
start := time.Now()
defnID, err := client.CreateIndex(indexName, bucketName, using, exprType, partnExp, whereExpr, secExprs, isPrimary, with)
if err == nil {
log.Printf("Created the secondary index %v. Waiting for it become active", indexName)
e := WaitTillIndexActive(defnID, client, indexActiveTimeoutSeconds)
if e != nil {
return e
} else {
elapsed := time.Since(start)
tc.LogPerfStat("CreateAndBuildIndex", elapsed)
return nil
}
}
return err
}
func RangeWithClient(indexName, bucketName, server string, low, high []interface{}, inclusion uint32,
distinct bool, limit int64, consistency c.Consistency, vector *qc.TsConsistency, client *qc.GsiClient) (tc.ScanResponse, error) {
var scanErr error
scanErr = nil
defnID, _ := GetDefnID(client, bucketName, indexName)
scanResults := make(tc.ScanResponse)
start := time.Now()
connErr := client.Range(
defnID, c.SecondaryKey(low), c.SecondaryKey(high), qc.Inclusion(inclusion), distinct, limit,
consistency, vector,
func(response qc.ResponseReader) bool {
if err := response.Error(); err != nil {
scanErr = err
return false
} else if skeys, pkeys, err := response.GetEntries(); err != nil {
scanErr = err
return false
} else {
for i, skey := range skeys {
primaryKey := string(pkeys[i])
if _, keyPresent := scanResults[primaryKey]; keyPresent {
// Duplicate primary key found
tc.HandleError(err, "Duplicate primary key found in the scan results: "+primaryKey)
} else {
scanResults[primaryKey] = skey
}
}
return true
}
return false
})
elapsed := time.Since(start)
if connErr != nil {
log.Printf("Connection error in Scan occured: %v", connErr)
return scanResults, connErr
} else if scanErr != nil {
return scanResults, scanErr
}
tc.LogPerfStat("Range", elapsed)
return scanResults, nil
}
func Range(indexName, bucketName, server string, low, high []interface{}, inclusion uint32,
distinct bool, limit int64, consistency c.Consistency, vector *qc.TsConsistency) (tc.ScanResponse, error) {
var scanErr error
scanErr = nil
var previousSecKey value.Value
// ToDo: Create a client pool
client, e := CreateClient(server, "2itest")
if e != nil {
return nil, e
}
defer client.Close()
defnID, _ := GetDefnID(client, bucketName, indexName)
scanResults := make(tc.ScanResponse)
start := time.Now()
connErr := client.Range(
defnID, c.SecondaryKey(low), c.SecondaryKey(high), qc.Inclusion(inclusion), distinct, limit,
consistency, vector,
func(response qc.ResponseReader) bool {
if err := response.Error(); err != nil {
scanErr = err
return false
} else if skeys, pkeys, err := response.GetEntries(); err != nil {
scanErr = err
return false
} else {
for i, skey := range skeys {
primaryKey := string(pkeys[i])
if _, keyPresent := scanResults[primaryKey]; keyPresent {
// Duplicate primary key found
tc.HandleError(err, "Duplicate primary key found in the scan results: "+primaryKey)
} else {
// Test collation only if CheckCollation is true
if CheckCollation == true && len(skey) > 0 {
secVal := skey2Values(skey)[0]
if previousSecKey == nil {
previousSecKey = secVal
} else {
if secVal.Collate(previousSecKey) < 0 {
errMsg := "Collation check failed. Previous Sec key > Current Sec key"
scanErr = errors.New(errMsg)
return false
}
}
}
scanResults[primaryKey] = skey
}
}
return true
}
return false
})
elapsed := time.Since(start)
if connErr != nil {
log.Printf("Connection error in Scan occured: %v", connErr)
return scanResults, connErr
} else if scanErr != nil {
return scanResults, scanErr
}
tc.LogPerfStat("Range", elapsed)
return scanResults, nil
}