dt

package main

import (
	"encoding/binary"
	"math/big"
	"math/rand"
	"reflect"
	"testing"
	"testing/quick"
)

dt

 rekik86 @rekik86 Jun 22 2016 16:51
Hi David

David Taylor @dt Jun 22 2016 16:51
Hey

rekik86 @rekik86 Jun 22 2016 16:52
Thanks for offering your help
I'm new to RDBM
This is just a homework actually

dt

[17:34:59] ~/code/go/src/github.com/cockroachdb/cockroach $ rm -rf cockroach-data

[17:35:02] ~/code/go/src/github.com/cockroachdb/cockroach $ ./cockroach start --background
CockroachDB node starting at 2017-01-05 17:35:11.062768945 +0000 UTC
build:      85fe10a @ 2017/01/05 17:34:36 (go1.7.1)
admin:      http://localhost:8080
sql:        postgresql://root@localhost:26257?sslmode=disable
logs:       cockroach-data/logs
store[0]:   path=cockroach-data
status:     initialized new cluster

dt

[20:33:44] ~/code/go/src/github.com/cockroachdb/cockroach $ glide cc && ./scripts/glide.sh --debug up && g diff && ./scripts/glide.sh --debug up && g diff
[INFO]	Glide cache has been cleared.
[DEBUG]	No mirrors.yaml file exists
[INFO]	Downloading dependencies. Please wait...
[DEBUG]	Locking https-github.com-cockroachdb-c-protobuf
[DEBUG]	Locking https-github.com-grpc-ecosystem-grpc-gateway
[DEBUG]	Locking https-github.com-jteeuwen-go-bindata
[DEBUG]	Locking https-github.com-cockroachdb-c-jemalloc
[DEBUG]	Locking https-github.com-cockroachdb-crlfmt
[DEBUG]	Locking https-github.com-golang-lint

dt

[20:23:31] ~/code/go/src/github.com/cockroachdb/cockroach $ glide cc && ./scripts/glide.sh up && g diff && ./scripts/glide.sh up && g diff
[INFO]	Glide cache has been cleared.
[INFO]	Downloading dependencies. Please wait...
...
[INFO]	Keeping google.golang.org/grpc 79b7c349179cdd6efd8bac4a1ce7f01b98c16e9b
[INFO]	--> Fetching github.com/matttproud/golang_protobuf_extensions.
[INFO]	--> Setting version for github.com/golang/protobuf to 8d92cf5fc15a4382f8964b08e1f42a75c0591aa3.
...
[INFO]	Project relies on 99 dependencies.
diff --git a/glide.lock b/glide.lock

dt

.tab:before {
  content: "\00bb\00a0";
}

/* Languages where tabs are used for indentation -- don't highlight */
.go.line.content .tab:before {
  content: "\00a0\00a0";
}

dt

package main

import	"fmt"
import "testing"

// go test -bench . -benchmem -count 10 | benchstat
// name   time/op			alloc/op		allocs/op
// Fmt-8  168ns ± 7%		32.0B ± 0%		2.00 ± 0%
func BenchmarkFmt(b *testing.B) {
	for k := 0; k < b.N; k++ {

dt

package main

import (
	"database/sql"
	"log"
	"time"

	_ "github.com/lib/pq"
)

dt

david=# CREATE TABLE test1 (t timestamp);
david=# SET TIME ZONE -4; INSERT INTO test1 VALUES('2015-05-01 12:00:00');
david=# SET TIME ZONE 0; INSERT INTO test1 VALUES('2015-05-01 12:00:00');
david=# SET TIME ZONE 2;  SELECT * FROM test1;
 2015-05-01 12:00:00
 2015-05-01 12:00:00
david=# SET TIME ZONE 0; SELECT * FROM test1;
 2015-05-01 12:00:00
 2015-05-01 12:00:00

dt

package main

import (
	"encoding/hex"
	"fmt"
)

func main() {
	data := []byte("ab")
	encoded := make([]byte, len(data)*2+1)