public SqlExpression? MakeContainsExpression()

in EFCore/src/Query/Expressions/Internal/MySQLStringComparisonMethodTranslator.cs [413:497]
80 lines of code
3 McCabe index (conditional complexity)

    public SqlExpression? MakeContainsExpression(
      SqlExpression target,
      SqlExpression search,
      SqlExpression? stringComparison = null)
    {
      if (stringComparison == null)
      {
        return MakeContainsExpressionImpl(
          target,
          e => e,
          search,
          e => e);
      }

      if (TryGetExpressionValue<StringComparison>(stringComparison, out var cmp))
      {
        return CreateExpressionForCaseSensitivity(
          cmp,
          () =>
            MakeContainsExpressionImpl(
              target,
              e => e,
              search,
              e => Utf8Bin(e)
            ),
          () =>
            MakeContainsExpressionImpl(
              target,
              e => LCase(e),
              search,
              e => Utf8Bin(LCase(e))
            )
        );
      }
      else
      {
#if !NET8_0_OR_GREATER
        return new CaseExpression(
          new[]
          {
        new CaseWhenClause(
          _sqlExpressionFactory.In(stringComparison, _caseSensitiveComparisons, false),
          // Case sensitive, accent sensitive
          MakeContainsExpressionImpl(
            target,
            e => e,
            search,
            e => Utf8Bin(e)
          )
        )
          },
          // Case insensitive, accent sensitive
          MakeContainsExpressionImpl(
              target,
              e => LCase(e),
              search,
              e => Utf8Bin(LCase(e))
          )
        );
#else
        return new CaseExpression(
          new[]
          {
        new CaseWhenClause(
          _sqlExpressionFactory.In(stringComparison,(IReadOnlyList<SqlExpression>) _caseSensitiveComparisons),
          // Case sensitive, accent sensitive
          MakeContainsExpressionImpl(
            target,
            e => e,
            search,
            e => Utf8Bin(e)
          )
        )
          },
          // Case insensitive, accent sensitive
          MakeContainsExpressionImpl(
              target,
              e => LCase(e),
              search,
              e => Utf8Bin(LCase(e))
          )
        );
#endif
      }
    }