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secondaryindexscan.go
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secondaryindexscan.go
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package secondaryindex
import (
"errors"
"github.com/couchbase/indexing/secondary/collatejson"
c "github.com/couchbase/indexing/secondary/common"
qc "github.com/couchbase/indexing/secondary/queryport/client"
tc "github.com/couchbase/indexing/secondary/tests/framework/common"
"github.com/couchbase/query/value"
"log"
"time"
)
var CheckCollation = false
var UseClient = "gsi"
var DescCollation = false
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) {
distinct = false
if UseClient == "n1ql" {
log.Printf("Using n1ql client")
return N1QLRange(indexName, bucketName, server, low, high, inclusion,
distinct, limit, consistency, vector)
}
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 DescCollation {
if secVal.Collate(previousSecKey) > 0 {
errMsg := "Collation check failed. Previous Sec key < Current Sec key"
scanErr = errors.New(errMsg)
return false
}
} 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
}
func Lookup(indexName, bucketName, server string, values []interface{}, distinct bool, limit int64, consistency c.Consistency, vector *qc.TsConsistency) (tc.ScanResponse, error) {
distinct = false
if UseClient == "n1ql" {
log.Printf("Using n1ql client")
return N1QLLookup(indexName, bucketName, server, values,
distinct, limit, consistency, vector)
}
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
}
func ScanAll(indexName, bucketName, server string, limit int64, consistency c.Consistency, vector *qc.TsConsistency) (tc.ScanResponse, error) {
if UseClient == "n1ql" {
log.Printf("Using n1ql client")
return N1QLScanAll(indexName, bucketName, server, limit, consistency, vector)
}
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.ScanAll(
defnID, "", 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("ScanAll", elapsed)
return scanResults, nil
}
func CountRange(indexName, bucketName, server string, low, high []interface{}, inclusion uint32,
consistency c.Consistency, vector *qc.TsConsistency) (int64, error) {
// ToDo: Create a client pool
client, e := CreateClient(server, "2itest")
if e != nil {
return 0, e
}
defer client.Close()
defnID, _ := GetDefnID(client, bucketName, indexName)
count, err := client.CountRange(defnID, "", c.SecondaryKey(low), c.SecondaryKey(high), qc.Inclusion(inclusion), consistency, vector)
if err != nil {
return 0, err
} else {
return count, nil
}
}
func CountLookup(indexName, bucketName, server string, values []interface{},
consistency c.Consistency, vector *qc.TsConsistency) (int64, error) {
// ToDo: Create a client pool
client, e := CreateClient(server, "2itest")
if e != nil {
return 0, e
}
defer client.Close()
defnID, _ := GetDefnID(client, bucketName, indexName)
count, err := client.CountLookup(defnID, "", []c.SecondaryKey{values}, consistency, vector)
if err != nil {
return 0, err
} else {
return count, nil
}
}
func RangeStatistics(indexName, bucketName, server string, low, high []interface{}, inclusion uint32) error {
// ToDo: Create a client pool
client, e := CreateClient(server, "2itest")
if e != nil {
return e
}
defer client.Close()
defnID, _ := GetDefnID(client, bucketName, indexName)
statistics, err := client.RangeStatistics(defnID, "", c.SecondaryKey(low), c.SecondaryKey(high), qc.Inclusion(inclusion))
if err != nil {
return err
} else {
log.Print("Statistics: %v\n\n", statistics)
return nil
}
}
func Scans(indexName, bucketName, server string, scans qc.Scans, reverse, distinct bool,
projection *qc.IndexProjection, offset, limit int64,
consistency c.Consistency, vector *qc.TsConsistency) (tc.ScanResponse, error) {
if UseClient == "n1ql" {
log.Printf("Using n1ql client")
return N1QLScans(indexName, bucketName, server, scans, reverse, distinct,
projection, offset, limit, consistency, vector)
}
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)
count := 0
start := time.Now()
connErr := client.MultiScan(
defnID, "", scans, reverse, distinct, projection, offset, limit,
consistency, vector,
func(response qc.ResponseReader) bool {
if err := response.Error(); err != nil {
scanErr = err
log.Printf("ScanError = %v ", scanErr)
return false
} else if skeys, pkeys, err := response.GetEntries(); err != nil {
scanErr = err
log.Printf("ScanError = %v ", scanErr)
return false
} else {
for i, skey := range skeys {
primaryKey := string(pkeys[i])
//log.Printf("Scanresult count = %v: %v : %v ", count, skey, primaryKey)
count++
if _, keyPresent := scanResults[primaryKey]; keyPresent {
// Duplicate primary key found
dupError := errors.New("Duplicate primary key found")
tc.HandleError(dupError, "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("MultiScan", elapsed)
log.Printf("Total Scanresults = %v", count)
return scanResults, nil
}
func MultiScanCount(indexName, bucketName, server string, scans qc.Scans, distinct bool,
consistency c.Consistency, vector *qc.TsConsistency) (int64, error) {
if UseClient == "n1ql" {
log.Printf("Using n1ql client")
return N1QLMultiScanCount(indexName, bucketName, server, scans, distinct,
consistency, vector)
}
// ToDo: Create a client pool
client, e := CreateClient(server, "2itest")
if e != nil {
return 0, e
}
defer client.Close()
defnID, _ := GetDefnID(client, bucketName, indexName)
count, err := client.MultiScanCount(defnID, "", scans, distinct, consistency, vector)
if err != nil {
return 0, err
} else {
return count, nil
}
}
func skey2Values(skey c.SecondaryKey) []value.Value {
vals := make([]value.Value, len(skey))
for i := 0; i < len(skey); i++ {
if s, ok := skey[i].(string); ok && collatejson.MissingLiteral.Equal(s) {
vals[i] = value.NewMissingValue()
} else {
vals[i] = value.NewValue(skey[i])
}
}
return vals
}