Go: add statistics command (#16119)

### What problem does this PR solve?

Prepare for enterprise command

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

---------

Signed-off-by: Jin Hai <haijin.chn@gmail.com>
This commit is contained in:
Jin Hai
2026-06-18 15:21:44 +08:00
committed by GitHub
parent 351b61a243
commit 20d11648a4
12 changed files with 2889 additions and 465 deletions

View File

@@ -442,12 +442,7 @@ func (p *Parser) parseShowCommand() (*Command, error) {
if p.curToken.Type == TokenSemicolon {
p.nextToken()
}
return NewCommand("show_current"), nil
case TokenUser:
return p.parseShowUser()
case TokenRole:
return p.parseShowRole()
case TokenVar:
return p.parseShowVariable()
case TokenService:
@@ -473,60 +468,6 @@ func (p *Parser) parseShowCommand() (*Command, error) {
}
}
func (p *Parser) parseShowUser() (*Command, error) {
p.nextToken() // consume USER
// Check for PERMISSION
if p.curToken.Type == TokenPermission {
p.nextToken()
userName, err := p.parseQuotedString()
if err != nil {
return nil, err
}
cmd := NewCommand("show_user_permission")
cmd.Params["user_name"] = userName
p.nextToken()
// Semicolon is optional for SHOW TOKEN
if p.curToken.Type == TokenSemicolon {
p.nextToken()
}
return cmd, nil
}
userName, err := p.parseQuotedString()
if err != nil {
return nil, err
}
cmd := NewCommand("show_user")
cmd.Params["user_name"] = userName
p.nextToken()
// Semicolon is optional for UNSET TOKEN
if p.curToken.Type == TokenSemicolon {
p.nextToken()
}
return cmd, nil
}
func (p *Parser) parseShowRole() (*Command, error) {
p.nextToken() // consume ROLE
roleName, err := p.parseIdentifier()
if err != nil {
return nil, err
}
cmd := NewCommand("show_role")
cmd.Params["role_name"] = roleName
p.nextToken()
// Semicolon is optional for UNSET TOKEN
if p.curToken.Type == TokenSemicolon {
p.nextToken()
}
return cmd, nil
}
func (p *Parser) parseShowVariable() (*Command, error) {
p.nextToken() // consume VAR
varName, err := p.parseIdentifier()