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https://issues.apache.org/jira/browse/CALCITE-3844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17052670#comment-17052670
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yaruqi commented on CALCITE-3844:
---------------------------------
golang:1.14
> when i use the example calcite-avatica-go provided, it always reports “panic:
> runtime error: invalid memory address or nil pointer dereference[signal
> SIGSEGV: segmentation violation code=0x1 addr=0x20 pc=0x4e6e01]”
> ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: CALCITE-3844
> URL: https://issues.apache.org/jira/browse/CALCITE-3844
> Project: Calcite
> Issue Type: Bug
> Components: avatica-go
> Reporter: yaruqi
> Assignee: Francis Chuang
> Priority: Blocker
>
> package main
>
> import (
> "context"
> "database/sql"
> _ "github.com/apache/calcite-avatica-go/v4"
> "github.com/sirupsen/logrus"
> )
> const(
> JDBC_DRIVER = "avatica"
> PHOENIX_ADDR = "http://localhost:8765";
> )
> var db *sql.DB
> func init(){
> db, err := sql.Open(JDBC_DRIVER, PHOENIX_ADDR)
> if err != nil {
> logrus.Error("error connecting: %s", err.Error())
> if err != nil {
> logrus.Error("exec phoenix sql", query, err)
> }
> defer db.Close()
> return res
> }
> func QueryContext(query string) (rows *sql.Rows) {
> rows, err := db.QueryContext(context.TODO(), query)
> if err != nil{
> logrus.Error("query: ", query, err)
> }
> defer db.Close()
> return rows
> }
> func main() {
> logrus.Info(QueryContext("SELECT * FROM TEST"))
> }
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