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package lesci
import (
"context"
"database/sql"
"errors"
"fmt"
)
func EnsureTable(db *sql.DB, table string, query string) (bool, error) {
ctx := context.Background()
var exists bool
queryTableExists := `SELECT COUNT(*) > 0 FROM information_schema.tables WHERE table_name = ?`
if err := db.QueryRowContext(ctx, queryTableExists, table).Scan(&exists); err != nil {
return false, err
}
if !exists {
if _, err := db.ExecContext(ctx, query); err != nil {
return false, err
}
return true, nil
}
var count int64
queryNumRows := fmt.Sprintf(`SELECT COUNT(*) FROM "%s"`, table)
if err := db.QueryRowContext(ctx, queryNumRows).Scan(&count); err != nil {
return false, errors.New("table not empty")
}
return count == 0, nil
}
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