(writer clause.Writer, str string)
| 40 | } |
| 41 | |
| 42 | func (DummyDialector) QuoteTo(writer clause.Writer, str string) { |
| 43 | var ( |
| 44 | underQuoted, selfQuoted bool |
| 45 | continuousBacktick int8 |
| 46 | shiftDelimiter int8 |
| 47 | ) |
| 48 | |
| 49 | for _, v := range []byte(str) { |
| 50 | switch v { |
| 51 | case '`': |
| 52 | continuousBacktick++ |
| 53 | if continuousBacktick == 2 { |
| 54 | writer.WriteString("``") |
| 55 | continuousBacktick = 0 |
| 56 | } |
| 57 | case '.': |
| 58 | if continuousBacktick > 0 || !selfQuoted { |
| 59 | shiftDelimiter = 0 |
| 60 | underQuoted = false |
| 61 | continuousBacktick = 0 |
| 62 | writer.WriteByte('`') |
| 63 | } |
| 64 | writer.WriteByte(v) |
| 65 | continue |
| 66 | default: |
| 67 | if shiftDelimiter-continuousBacktick <= 0 && !underQuoted { |
| 68 | writer.WriteByte('`') |
| 69 | underQuoted = true |
| 70 | if selfQuoted = continuousBacktick > 0; selfQuoted { |
| 71 | continuousBacktick -= 1 |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | for ; continuousBacktick > 0; continuousBacktick -= 1 { |
| 76 | writer.WriteString("``") |
| 77 | } |
| 78 | |
| 79 | writer.WriteByte(v) |
| 80 | } |
| 81 | shiftDelimiter++ |
| 82 | } |
| 83 | |
| 84 | if continuousBacktick > 0 && !selfQuoted { |
| 85 | writer.WriteString("``") |
| 86 | } |
| 87 | writer.WriteByte('`') |
| 88 | } |
| 89 | |
| 90 | func (DummyDialector) Explain(sql string, vars ...interface{}) string { |
| 91 | return logger.ExplainSQL(sql, nil, `"`, vars...) |
nothing calls this directly
no test coverage detected