(query string, args []interface{})
| 22 | } |
| 23 | |
| 24 | func inlinePositionalArgs(query string, args []interface{}) (string, error) { |
| 25 | var b strings.Builder |
| 26 | b.Grow(len(query) + (len(args) * 8)) |
| 27 | |
| 28 | inSingle := false |
| 29 | inDouble := false |
| 30 | argPos := 0 |
| 31 | |
| 32 | for i := 0; i < len(query); i++ { |
| 33 | ch := query[i] |
| 34 | |
| 35 | switch ch { |
| 36 | case '\'': |
| 37 | b.WriteByte(ch) |
| 38 | if !inDouble { |
| 39 | if inSingle && i+1 < len(query) && query[i+1] == '\'' { |
| 40 | b.WriteByte(query[i+1]) |
| 41 | i++ |
| 42 | continue |
| 43 | } |
| 44 | inSingle = !inSingle |
| 45 | } |
| 46 | |
| 47 | case '"': |
| 48 | b.WriteByte(ch) |
| 49 | if !inSingle { |
| 50 | if inDouble && i+1 < len(query) && query[i+1] == '"' { |
| 51 | b.WriteByte(query[i+1]) |
| 52 | i++ |
| 53 | continue |
| 54 | } |
| 55 | inDouble = !inDouble |
| 56 | } |
| 57 | |
| 58 | case '?': |
| 59 | if inSingle || inDouble { |
| 60 | b.WriteByte(ch) |
| 61 | continue |
| 62 | } |
| 63 | if argPos >= len(args) { |
| 64 | return "", fmt.Errorf("missing argument for placeholder at index %d", argPos) |
| 65 | } |
| 66 | lit, err := sqlLiteral(args[argPos]) |
| 67 | if err != nil { |
| 68 | return "", err |
| 69 | } |
| 70 | b.WriteString(lit) |
| 71 | argPos++ |
| 72 | |
| 73 | default: |
| 74 | b.WriteByte(ch) |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | if argPos != len(args) { |
| 79 | return "", fmt.Errorf("unused arguments: used %d of %d", argPos, len(args)) |
| 80 | } |
| 81 |
no test coverage detected