planner: do not use like to build range when new collation is enabled

[Reminiscent]

What problem does this PR solve?

Issue Number: close #31174

Problem Summary:
The like condition will be used to build range, but it can not handle some situations.

What is changed and how it works?

You can see here for more details. But in this PR, we only forbid using the like condition to build range when new collation is enabled and the column type is non-binary collation string.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• tangenta
• xiongjiwei

To complete the pull request process, please ask the reviewers in the list to review by filling /cc @reviewer in the comment.
After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

The full list of commands accepted by this bot can be found here.

Reviewer can indicate their review by submitting an approval review.
Reviewer can cancel approval by submitting a request changes review.

[bb7133]

@Reminiscent Please update the test cases:

https://ci.pingcap.net/blue/organizations/jenkins/tidb_ghpr_check/detail/tidb_ghpr_check/43756/pipeline

[2022-01-05T08:16:30.338Z] [2022/01/05 16:16:29.075 +08:00] [FATAL] [main.go:748] ["run test"] [test=explain_generate_column_substitute] [error="sql:explain format = 'brief' select count(*) from tbl1 where md5(s) like '02e74f10e0327ad868d138f2b4fdd6f%';: run \"explain format = 'brief' select count(*) from tbl1 where md5(s) like '02e74f10e0327ad868d138f2b4fdd6f%';\" at line 182 err, we need:\nexplain format = 'brief' select count(*) from tbl1 where md5(s) like '02e74f10e0327ad868d138f2b4fdd6f%';\nid\testRows\ttask\taccess object\toperator info\nStreamAgg\t1.00\troot\t\tfuncs:count(Column#6)->Column#4\n└─IndexReader\t1.00\troot\t\tindex:StreamAgg\n  └─StreamAgg\t1.00\tcop[tikv]\t\tfuncs:count(1)->Column#6\n    └─IndexRangeScan\t250.00\tcop[tikv]\ttable:tbl1, index:expression_index(md5(`s`))\trange:[\"02e74f10e0327ad868d138f2b4fdd6f\",\"02e74f10e0327ad868d138f2b4fdd6g\"), keep order:false, stats:pseudo\nselect count(*) from tbl1 use index() where md5(s)\nbut got:\nexplain format = 'brief' select count(*) from tbl1 where md5(s) like '02e74f10e0327ad868d138f2b4fdd6f%';\nid\testRows\ttask\taccess object\toperator info\nStreamAgg\t1.00\troot\t\tfuncs:count(Column#6)->Column#4\n└─IndexReader\t1.00\troot\t\tindex:StreamAgg\n  └─StreamAgg\t1.00\tcop[tikv]\t\tfuncs:count(1)->Column#6\n    └─Selection\t8000.00\tcop[tikv]\t\tlike(md5(cast(test.tbl1.s, var_string(20))), \"02e74f10e0327ad868d138f2b4fdd6f%\", 92)\n      └─IndexFullScan\t10000.00\tcop[tikv]\ttable:tbl1, index:expression_index(md5(`s`))\tkeep order:false, stats:pseudo\n\n"] [errorVerbose="run \"explain format = 'brief' select count(*) from tbl1 where md5(s) like '02e74f10e0327ad868d138f2b4fdd6f%';\" at line 182 err, we need:\nexplain format = 'brief' select count(*) from tbl1 where md5(s) like '02e74f10e0327ad868d138f2b4fdd6f%';\nid\testRows\ttask\taccess object\toperator info\nStreamAgg\t1.00\troot\t\tfuncs:count(Column#6)->Column#4\n└─IndexReader\t1.00\troot\t\tindex:StreamAgg\n  └─StreamAgg\t1.00\tcop[tikv]\t\tfuncs:count(1)->Column#6\n    └─IndexRangeScan\t250.00\tcop[tikv]\ttable:tbl1, index:expression_index(md5(`s`))\trange:[\"02e74f10e0327ad868d138f2b4fdd6f\",\"02e74f10e0327ad868d138f2b4fdd6g\"), keep order:false, stats:pseudo\nselect count(*) from tbl1 use index() where md5(s)\nbut got:\nexplain format = 'brief' select count(*) from tbl1 where md5(s) like '02e74f10e0327ad868d138f2b4fdd6f%';\nid\testRows\ttask\taccess object\toperator info\nStreamAgg\t1.00\troot\t\tfuncs:count(Column#6)->Column#4\n└─IndexReader\t1.00\troot\t\tindex:StreamAgg\n  └─StreamAgg\t1.00\tcop[tikv]\t\tfuncs:count(1)->Column#6\n    └─Selection\t8000.00\tcop[tikv]\t\tlike(md5(cast(test.tbl1.s, var_string(20))), \"02e74f10e0327ad868d138f2b4fdd6f%\", 92)\n      └─IndexFullScan\t10000.00\tcop[tikv]\ttable:tbl1, index:expression_index(md5(`s`))\tkeep order:false, stats:pseudo\n\n\nmain.(*tester).execute\n\t/home/jenkins/agent/workspace/tidb_ghpr_check/go/src/github.com/pingcap/tidb/cmd/explaintest/main.go:391\nmain.(*tester).Run\n\t/home/jenkins/agent/workspace/tidb_ghpr_check/go/src/github.com/pingcap/tidb/cmd/explaintest/main.go:176\nmain.main\n\t/home/jenkins/agent/workspace/tidb_ghpr_check/go/src/github.com/pingcap/tidb/cmd/explaintest/main.go:747\nruntime.main\n\t/usr/local/go/src/runtime/proc.go:225\nruntime.goexit\n\t/usr/local/go/src/runtime/asm_amd64.s:1371\nsql:explain format = 'brief' select count(*) from tbl1 where md5(s) like '02e74f10e0327ad868d138f2b4fdd6f%';"] 

[sre-bot]

Code Coverage Details: https://codecov.io/github/pingcap/tidb/commit/fd30ef2a0d3e60dccae22ce6f1900fe799edb680

[Reminiscent]

@tangenta Update. PTAL

[bb7133]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 6c9ae01

[bb7133]

/run-unit-test

[bb7133]

/run-unit-test

[winoros]

/run-cherry-picker release-5.2