mirror of
https://github.com/minio/minio.git
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315e66858c
* The user is required to specify a table name and database connection
information in the configuration file.
* INSERTs and DELETEs are done via prepared statements for speed.
* Assumes a table structure, and requires PostgreSQL 9.5 or above due to
the use of UPSERT.
* Creates the table if it does not exist with the given table name using
a query like:
CREATE TABLE myminio (
key varchar PRIMARY KEY,
value JSONB
);
* Vendors some required libraries.
75 lines
1.2 KiB
Go
75 lines
1.2 KiB
Go
// +build ignore
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// Generate the table of OID values
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// Run with 'go run gen.go'.
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package main
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import (
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"database/sql"
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"fmt"
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"log"
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"os"
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"os/exec"
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_ "github.com/lib/pq"
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)
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func main() {
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datname := os.Getenv("PGDATABASE")
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sslmode := os.Getenv("PGSSLMODE")
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if datname == "" {
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os.Setenv("PGDATABASE", "pqgotest")
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}
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if sslmode == "" {
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os.Setenv("PGSSLMODE", "disable")
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}
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db, err := sql.Open("postgres", "")
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if err != nil {
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log.Fatal(err)
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}
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cmd := exec.Command("gofmt")
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cmd.Stderr = os.Stderr
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w, err := cmd.StdinPipe()
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if err != nil {
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log.Fatal(err)
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}
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f, err := os.Create("types.go")
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if err != nil {
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log.Fatal(err)
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}
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cmd.Stdout = f
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err = cmd.Start()
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if err != nil {
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log.Fatal(err)
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}
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fmt.Fprintln(w, "// generated by 'go run gen.go'; do not edit")
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fmt.Fprintln(w, "\npackage oid")
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fmt.Fprintln(w, "const (")
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rows, err := db.Query(`
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SELECT typname, oid
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FROM pg_type WHERE oid < 10000
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ORDER BY oid;
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`)
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if err != nil {
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log.Fatal(err)
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}
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var name string
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var oid int
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for rows.Next() {
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err = rows.Scan(&name, &oid)
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if err != nil {
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log.Fatal(err)
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}
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fmt.Fprintf(w, "T_%s Oid = %d\n", name, oid)
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}
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if err = rows.Err(); err != nil {
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log.Fatal(err)
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}
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fmt.Fprintln(w, ")")
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w.Close()
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cmd.Wait()
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}
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