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Use sql.Named to clarify the blobio example (#281)

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I find the example SQL queries a bit difficult to read at the callsite with the magic numbers and ? placeholders. I think sql.Named makes it more obvious to the reader what the different parts of the SQL query represent.
This commit is contained in:
Michael Lynch
2025-05-25 14:02:19 -04:00
committed by GitHub
parent 93f711c77b
commit f3d65142cc
1 changed files with 11 additions and 5 deletions
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16
ext/blobio/blob_test.go
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@@ -1,6 +1,7 @@
package blobio_test
import (
"database/sql"
"io"
"log"
"os"
@@ -34,7 +35,8 @@ func Example() {
const message = "Hello BLOB!"
// Create the BLOB.
r, err := db.Exec(`INSERT INTO test VALUES (?)`, sqlite3.ZeroBlob(len(message)))
r, err := db.Exec(`INSERT INTO test VALUES (:data)`,
sql.Named("data", sqlite3.ZeroBlob(len(message))))
if err != nil {
log.Fatal(err)
}
@@ -45,15 +47,19 @@ func Example() {
}
// Write the BLOB.
_, err = db.Exec(`SELECT writeblob('main', 'test', 'col', ?, 0, ?)`,
id, message)
_, err = db.Exec(`SELECT writeblob('main', 'test', 'col', :rowid, :offset, :message)`,
sql.Named("rowid", id),
sql.Named("offset", 0),
sql.Named("message", message))
if err != nil {
log.Fatal(err)
}
// Read the BLOB.
_, err = db.Exec(`SELECT readblob('main', 'test', 'col', ?, 0, ?)`,
id, sqlite3.Pointer(os.Stdout))
_, err = db.Exec(`SELECT readblob('main', 'test', 'col', :rowid, :offset, :writer)`,
sql.Named("rowid", id),
sql.Named("offset", 0),
sql.Named("writer", sqlite3.Pointer(os.Stdout)))
if err != nil {
log.Fatal(err)
}