[CALCITE-3084] Implement JDBC string functions: ASCII, REPEAT, SPACE, SOUNDEX, DIFFERENCE

[ambition119]

Fix ISSUE #3048

Implement JDBC string functions:

{fn ASCII(string)}
{fn DIFFERENCE(string, string)}
{fn REPEAT(string, integer)}
{fn SOUNDEX(string)}
{fn SPACE(integer)}

[chunweilei]

Thanks for raising this. I am wondering if you can file another jira for this.

[ambition119]

Thanks for raising this. I am wondering if you can file another jira for this.

thanks, I can create new jira.

[chunweilei]

Please add your id in the end of commit message like [CALCITE-3084] xxxx (you jira id).

[ambition119]

Please add your id in the end of commit message like [CALCITE-3084] xxxx (you jira id).

my jira is CALCITE-3084, title info is 'Implement JDBC string functions: ASCII, REPEAT, SPACE, SOUNDEX, DIFFERENCE';

my commit message is

$ git log -2
[CALCITE-3084] Implement JDBC string functions: ASCII, REPEAT, SPACE, SOUNDEX, DIFFERENCE

Because the message is too long, so it looks like there is a middle … …, thanks.

[chunweilei]

@ambition119 What i mean is you should add your jira id as follows:

[chunweilei]

You can find more about contributing in https://calcite.apache.org/develop/#contributing.

[ambition119]

You can find more about contributing in https://calcite.apache.org/develop/#contributing.

oh, thanks.

[chunweilei]

LGTM