Golang

bin/quick-start-batch.sh

git clone [email protected]:fx19880617/pinot-client-go.git
cd pinot-client-go

go build ./examples/batch-quickstart
./batch-quickstart

pinotClient := pinot.NewFromZookeeper([]string{"localhost:2123"}, "", "QuickStartCluster")

pinotClient := pinot.NewFromBrokerList([]string{"localhost:8000"})

pinotClient := pinot.NewWithConfig(&pinot.ClientConfig{
    ZkConfig: &pinot.ZookeeperConfig{
        ZookeeperPath:     zkPath,
        PathPrefix:        strings.Join([]string{zkPathPrefix, pinotCluster}, "/"),
        SessionTimeoutSec: defaultZkSessionTimeoutSec,
    },
    ExtraHTTPHeader: map[string]string{
        "extra-header":"value",
    },
})

pinotClient, err := pinot.NewFromZookeeper([]string{"localhost:2123"}, "", "QuickStartCluster")
if err != nil {
    log.Error(err)
}
brokerResp, err := pinotClient.ExecuteSQL("baseballStats", "select count(*) as cnt, sum(homeRuns) as sum_homeRuns from baseballStats group by teamID limit 10")
if err != nil {
    log.Error(err)
}
log.Infof("Query Stats: response time - %d ms, scanned docs - %d, total docs - %d", brokerResp.TimeUsedMs, brokerResp.NumDocsScanned, brokerResp.TotalDocs)

type BrokerResponse struct {
    AggregationResults          []*AggregationResult `json:"aggregationResults,omitempty"`
    SelectionResults            *SelectionResults    `json:"SelectionResults,omitempty"`
    ResultTable                 *ResultTable         `json:"resultTable,omitempty"`
    Exceptions                  []Exception          `json:"exceptions"`
    TraceInfo                   map[string]string    `json:"traceInfo,omitempty"`
    NumServersQueried           int                  `json:"numServersQueried"`
    NumServersResponded         int                  `json:"numServersResponded"`
    NumSegmentsQueried          int                  `json:"numSegmentsQueried"`
    NumSegmentsProcessed        int                  `json:"numSegmentsProcessed"`
    NumSegmentsMatched          int                  `json:"numSegmentsMatched"`
    NumConsumingSegmentsQueried int                  `json:"numConsumingSegmentsQueried"`
    NumDocsScanned              int64                `json:"numDocsScanned"`
    NumEntriesScannedInFilter   int64                `json:"numEntriesScannedInFilter"`
    NumEntriesScannedPostFilter int64                `json:"numEntriesScannedPostFilter"`
    NumGroupsLimitReached       bool                 `json:"numGroupsLimitReached"`
    TotalDocs                   int64                `json:"totalDocs"`
    TimeUsedMs                  int                  `json:"timeUsedMs"`
    MinConsumingFreshnessTimeMs int64                `json:"minConsumingFreshnessTimeMs"`
}

// ResultTable is a ResultTable
type ResultTable struct {
    DataSchema RespSchema      `json:"dataSchema"`
    Rows       [][]interface{} `json:"rows"`
}

// RespSchema is response schema
type RespSchema struct {
    ColumnDataTypes []string `json:"columnDataTypes"`
    ColumnNames     []string `json:"columnNames"`
}

func (r ResultTable) GetRowCount() int
func (r ResultTable) GetColumnCount() int
func (r ResultTable) GetColumnName(columnIndex int) string
func (r ResultTable) GetColumnDataType(columnIndex int) string
func (r ResultTable) Get(rowIndex int, columnIndex int) interface{}
func (r ResultTable) GetString(rowIndex int, columnIndex int) string
func (r ResultTable) GetInt(rowIndex int, columnIndex int) int
func (r ResultTable) GetLong(rowIndex int, columnIndex int) int64
func (r ResultTable) GetFloat(rowIndex int, columnIndex int) float32
func (r ResultTable) GetDouble(rowIndex int, columnIndex int) float64

// Print Response Schema
for c := 0; c < brokerResp.ResultTable.GetColumnCount(); c++ {
  fmt.Printf("%s(%s)\t", brokerResp.ResultTable.GetColumnName(c), brokerResp.ResultTable.GetColumnDataType(c))
}
fmt.Println()

// Print Row Table
for r := 0; r < brokerResp.ResultTable.GetRowCount(); r++ {
  for c := 0; c < brokerResp.ResultTable.GetColumnCount(); c++ {
    fmt.Printf("%v\t", brokerResp.ResultTable.Get(r, c))
  }
  fmt.Println()
}