[Feature Request]: Supports more functions

[JinHai-CN]

Is there an existing issue for the same feature request?

• I have checked the existing issues.

Is your feature request related to a problem?

No response

Describe the feature you'd like

Math

• sqrt Support sqrt, round, ceil, floor functions #2081
• round Support sqrt, round, ceil, floor functions #2081
• ceiling Support sqrt, round, ceil, floor functions #2081
• log Support sqrt, round, ceil, floor functions #2081
• truncate
• isnan Add isnan, isinf, isfinite functions #2104
• isinf Add isnan, isinf, isfinite functions #2104
• isfinite Add isnan, isinf, isfinite functions #2104

Varchar

• char_length / character_length Support char_length / character_length function #2040
• md5 Support Substring function #2061
• regex Support Regex function #2059
• lower
• upper
• ltrim Sync logs from leader to follower and learner #2067
• rtrim Sync logs from leader to follower and learner #2067
• trim Sync logs from leader to follower and learner #2067
• substring Support Substring function #2061
• position Support char_position function #2080
• reverse
• strlen
• strip
• find

Date and time