feat: Support add_function/alter_function/drop_function

[junjiejiangjjj]

#44053

[sre-ci-robot]

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[mergify]

@junjiejiangjjj

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[sre-ci-robot]

[ci-v2-notice]
Notice: We are gradually rolling out the new ci-v2 system.

• Legacy CI jobs remain unaffected, you can just ignore ci-v2 if you don't want to run it.
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[codecov]

Codecov Report

❌ Patch coverage is 81.07477% with 162 lines in your changes missing coverage. Please review.
✅ Project coverage is 76.97%. Comparing base (ac062c6) to head (92f7101).
⚠️ Report is 12 commits behind head on master.

Files with missing lines	Patch %	Lines
internal/proxy/impl.go	63.51%	45 Missing and 9 partials ⚠️
internal/rootcoord/function_task.go	83.20%	37 Missing and 5 partials ⚠️
internal/proxy/function_task.go	90.00%	14 Missing and 4 partials ⚠️
...nternal/distributed/proxy/httpserver/request_v2.go	17.64%	14 Missing ⚠️
...nternal/distributed/proxy/httpserver/handler_v2.go	80.95%	10 Missing and 2 partials ⚠️
internal/coordinator/mix_coord.go	0.00%	6 Missing ⚠️
internal/distributed/mixcoord/service.go	0.00%	6 Missing ⚠️
internal/distributed/proxy/service.go	0.00%	6 Missing ⚠️
internal/metastore/kv/rootcoord/kv_catalog.go	75.00%	2 Missing and 1 partial ⚠️
cmd/tools/migration/mmap/mmap_230_240.go	0.00%	1 Missing ⚠️

❌ Your project check has failed because the head coverage (76.97%) is below the target coverage (77.00%). You can increase the head coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #44895      +/-   ##
==========================================
- Coverage   77.01%   76.97%   -0.04%     
==========================================
  Files        1830     1832       +2     
  Lines      285091   285937     +846     
==========================================
+ Hits       219562   220111     +549     
- Misses      58362    58613     +251     
- Partials     7167     7213      +46     

Components	Coverage Δ
Client	78.03% <ø> (ø)
Core	83.90% <ø> (ø)
Go	75.09% <81.16%> (-0.05%)	⬇️

Files with missing lines	Coverage Δ
internal/distributed/mixcoord/client/client.go	87.05% <100.00%> (+0.26%)	⬆️
internal/metastore/catalog.go	100.00% <ø> (ø)
internal/proxy/task.go	78.15% <ø> (-0.16%)	⬇️
internal/rootcoord/meta_table.go	78.20% <100.00%> (+0.13%)	⬆️
internal/rootcoord/root_coord.go	78.06% <100.00%> (+1.11%)	⬆️
internal/rootcoord/step.go	83.70% <100.00%> (ø)
...util/function/embedding/text_embedding_function.go	89.40% <ø> (ø)
internal/util/mock/grpc_rootcoord_client.go	84.17% <100.00%> (+0.71%)	⬆️
cmd/tools/migration/mmap/mmap_230_240.go	0.00% <0.00%> (ø)
internal/metastore/kv/rootcoord/kv_catalog.go	76.28% <75.00%> (-0.07%)	⬇️
... and 8 more

... and 26 files with indirect coverage changes

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[mergify]

@junjiejiangjjj cpu-e2e job failed, comment /run-cpu-e2e can trigger the job again.

[junjiejiangjjj]

/assign @liliu-z