fix: union clause error message

fix: select <expr1>, <expr1##sth else> from ... return error data whe…

fix(stream): fix memory leak for stream processing.

Update cases.task

modify non asan mode

docs(connector-rust): update documents of connector for rust

fix: join push down condition issue

The connector for rust has been updated to use `deadpool` as default connection pool instead of `r2d2`, and the `r2d2` was only kept for blocking mode.

fix(stream):extract delete msg from wal.

Enh/tsbs perf.4

fix(stream): add some logs and set the wal offset to be the ended version when finishing the step2 recover stage.

fix: add on conditions null check and rightRowLocations no longer hides the outer scope rightRowLocations

fix:add lock to pHandle for safety

fix: using right rows to build hash table when the tag equal cond is not null and same ts row row number is greater than 16

fix: select <expr1>, <expr1##sth else> from ... return error data when strlen(expr1) > TSDB_COL_NAME_LEN