[Feature][Transform] Sql transform support array and split function

[CosmosNi]

selectItem support array and split func

Purpose of this pull request

Does this PR introduce any user-facing change?

How was this patch tested?

Check list

• If any new Jar binary package adding in your PR, please add License Notice according
  New License Guide
• If necessary, please update the documentation to describe the new feature. https://github.com/apache/seatunnel/tree/dev/docs
• If you are contributing the connector code, please check that the following files are updated:
  1. Update plugin-mapping.properties and add new connector information in it
  2. Update the pom file of seatunnel-dist
  3. Add ci label in label-scope-conf
  4. Add e2e testcase in seatunnel-e2e
  5. Update connector plugin_config
• Update the release-note.

[Hisoka-X]

LGTM if ci passes. Thanks @CosmosNi !

[hailin0]

Why does it return a fixed string[]?

Example:
Array(1, 2, 3) returns Integer[]
Array(1L, 2, 3) returns Long[]
Array(1L, 1.1F, 2.1D) returns Double[]
Array(true, false, true) returns Boolean[]
Array(true, "aaa", 1) returns String[]
Array(1, true, 3L) returns String[]

[hailin0]

Of course, you can merge this pr and submit a new PR to optimize this function

[CosmosNi]

case ZetaSQLFunction.ARRAY:
return ArrayType.STRING_ARRAY_TYPE;

Then we need to dynamically generate the returned ArrayType.

[Hisoka-X]

Then we need to dynamically generate the returned ArrayType.

+1, we can reuse

seatunnel/seatunnel-api/src/main/java/org/apache/seatunnel/api/table/type/TypeUtil.java

Line 23 in d2576ff

public static boolean canConvert(SeaTunnelDataType<?> from, SeaTunnelDataType<?> to) {

to check and convert type.