fix

apps/api/internal/processing/mysql_dump_parse.go

@@ -0,0 +1,67 @@
+package processing
+
+import "strings"
+
+// LooksLikeMySQLTupleLine reports whether line starts a mysqldump VALUES tuple.
+func LooksLikeMySQLTupleLine(line string) bool {
+	s := strings.TrimLeft(line, " \t")
+	return strings.HasPrefix(s, "(")
+}
+
+// ParseMySQLTupleFields parses all fields from the first (...) tuple on the line.
+func ParseMySQLTupleFields(line string) []string {
+	return ParseMySQLTupleFieldsN(line, 0)
+}
+
+// ParseMySQLTupleFieldsN parses up to maxFields (0 = all) from the first (...) tuple.
+func ParseMySQLTupleFieldsN(line string, maxFields int) []string {
+	start := strings.Index(line, "(")
+	if start < 0 {
+		return nil
+	}
+	body := line[start+1:]
+	var out []string
+	for i := 0; i < len(body); {
+		if maxFields > 0 && len(out) >= maxFields {
+			break
+		}
+		for i < len(body) && (body[i] == ' ' || body[i] == '\t' || body[i] == ',') {
+			i++
+		}
+		if i >= len(body) || body[i] == ')' {
+			break
+		}
+		if body[i] == '\'' {
+			i++
+			var b strings.Builder
+			for i < len(body) {
+				ch := body[i]
+				if ch == '\\' && i+1 < len(body) {
+					b.WriteByte(body[i+1])
+					i += 2
+					continue
+				}
+				if ch == '\'' {
+					if i+1 < len(body) && body[i+1] == '\'' {
+						b.WriteByte('\'')
+						i += 2
+						continue
+					}
+					i++
+					break
+				}
+				b.WriteByte(ch)
+				i++
+			}
+			out = append(out, b.String())
+			continue
+		}
+		j := i
+		for j < len(body) && body[j] != ',' && body[j] != ')' {
+			j++
+		}
+		out = append(out, strings.TrimSpace(body[i:j]))
+		i = j
+	}
+	return out
+}