()
| 65 | } |
| 66 | |
| 67 | func (ow *operatorWrapper) preprocess() (string, []interface{}) { |
| 68 | placeholder := "?" |
| 69 | |
| 70 | column, err := ow.cv.Column.Compile(ow.tu.Template) |
| 71 | if err != nil { |
| 72 | panic(fmt.Sprintf("could not compile column: %v", err.Error())) |
| 73 | } |
| 74 | |
| 75 | c := ow.cmp() |
| 76 | |
| 77 | op := ow.tu.comparisonOperatorMapper(c.Operator()) |
| 78 | |
| 79 | var args []interface{} |
| 80 | |
| 81 | switch c.Operator() { |
| 82 | case adapter.ComparisonOperatorNone: |
| 83 | panic("no operator given") |
| 84 | case adapter.ComparisonOperatorCustom: |
| 85 | op = c.CustomOperator() |
| 86 | case adapter.ComparisonOperatorIn, adapter.ComparisonOperatorNotIn: |
| 87 | values := c.Value().([]interface{}) |
| 88 | if len(values) < 1 { |
| 89 | placeholder, args = "(NULL)", []interface{}{} |
| 90 | break |
| 91 | } |
| 92 | placeholder, args = "(?"+strings.Repeat(", ?", len(values)-1)+")", values |
| 93 | case adapter.ComparisonOperatorIs, adapter.ComparisonOperatorIsNot: |
| 94 | switch c.Value() { |
| 95 | case nil: |
| 96 | placeholder, args = "NULL", []interface{}{} |
| 97 | case false: |
| 98 | placeholder, args = "FALSE", []interface{}{} |
| 99 | case true: |
| 100 | placeholder, args = "TRUE", []interface{}{} |
| 101 | } |
| 102 | case adapter.ComparisonOperatorBetween, adapter.ComparisonOperatorNotBetween: |
| 103 | values := c.Value().([]interface{}) |
| 104 | placeholder, args = "? AND ?", []interface{}{values[0], values[1]} |
| 105 | case adapter.ComparisonOperatorEqual: |
| 106 | v := c.Value() |
| 107 | if b, ok := v.([]byte); ok { |
| 108 | v = string(b) |
| 109 | } |
| 110 | args = []interface{}{v} |
| 111 | } |
| 112 | |
| 113 | if args == nil { |
| 114 | args = []interface{}{c.Value()} |
| 115 | } |
| 116 | |
| 117 | if strings.Contains(op, ":column") { |
| 118 | return strings.Replace(op, ":column", column, -1), args |
| 119 | } |
| 120 | |
| 121 | return column + " " + op + " " + placeholder, args |
| 122 | } |
no test coverage detected