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feat: Alter column fulltext option #4637

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@irenjj irenjj commented Aug 28, 2024

I hereby agree to the terms of the GreptimeDB CLA.

Refer to a related PR or issue link (optional)

closes: #4395

What's changed and what's your intention?

Supports alter column options like:

ALTER TABLE monitor SET COLUMN load_15 fulltext WITH(analyzer = 'Chinese', case_sensitive = 'false');

Checklist

  • I have written the necessary rustdoc comments.
  • I have added the necessary unit tests and integration tests.
  • This PR requires documentation updates.

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@github-actions github-actions bot added the docs-not-required This change does not impact docs. label Aug 28, 2024
@irenjj irenjj changed the title feat: Alter column option feat: Alter column fulltext option Sep 7, 2024
@irenjj irenjj marked this pull request as ready for review September 7, 2024 12:07
@WenyXu
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WenyXu commented Sep 9, 2024

Hi @irenjj there are some conflicts

column_name,
target_type,
if self.parser.parse_keyword(Keyword::SET) {
let _ = self.parser.parse_keyword(Keyword::FULLTEXT);
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Maybe we can check the parse result to avoid receiving unexpected input

Comment on lines 84 to 101
let options = self
.parser
.parse_options(Keyword::WITH)?
.into_iter()
.map(|option: SqlOption| -> Result<(String, String)> {
let (key, value) = (option.name, option.value);
let v = match value {
Expr::Value(sqlparser::ast::Value::SingleQuotedString(v))
| Expr::Value(sqlparser::ast::Value::DoubleQuotedString(v)) => v,
Expr::Identifier(v) => v.value,
Expr::Value(sqlparser::ast::Value::Number(v, _)) => v.to_string(),
_ => return error::InvalidTableOptionValueSnafu { key, value }.fail(),
};
let k = key.value.to_lowercase();
Ok((k, v))
})
.collect::<Result<HashMap<String, String>>>()
.unwrap();
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Can be simplied as

Suggested change
let options = self
.parser
.parse_options(Keyword::WITH)?
.into_iter()
.map(|option: SqlOption| -> Result<(String, String)> {
let (key, value) = (option.name, option.value);
let v = match value {
Expr::Value(sqlparser::ast::Value::SingleQuotedString(v))
| Expr::Value(sqlparser::ast::Value::DoubleQuotedString(v)) => v,
Expr::Identifier(v) => v.value,
Expr::Value(sqlparser::ast::Value::Number(v, _)) => v.to_string(),
_ => return error::InvalidTableOptionValueSnafu { key, value }.fail(),
};
let k = key.value.to_lowercase();
Ok((k, v))
})
.collect::<Result<HashMap<String, String>>>()
.unwrap();
let options = self
.parser
.parse_options(Keyword::WITH)?
.into_iter()
.map(parse_option_string)
.collect::<Result<HashMap<String, String>>>()?;

Comment on lines 609 to 615
let index = table_schema
.column_index_by_name(column_name)
.with_context(|| error::ColumnNotExistsSnafu {
column_name,
table_name,
})?;
let column = &table_schema.column_schemas()[index];
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Suggested change
let index = table_schema
.column_index_by_name(column_name)
.with_context(|| error::ColumnNotExistsSnafu {
column_name,
table_name,
})?;
let column = &table_schema.column_schemas()[index];
let column = &table_schema.column_schema_by_name(column_name).with_context(...);

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@zhongzc zhongzc Sep 9, 2024

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I propose that we only allow modify column to create a fulltext index on columns that do not already have one, rather than modifying fulltext options for existing columns.

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So we can't disable the full-text index after creation?

@@ -262,6 +262,14 @@ impl ColumnSchema {
);
Ok(self)
}

pub fn set_fulltext_options(&mut self, options: FulltextOptions) -> Result<()> {
self.metadata.insert(
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Maybe you can add a check whether the column type is string: self.data_type == ConcreteDataType::string_datatype(), and also change the with_fulltext_options above

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Nice work!

Some nitpicking:

  1. Add more unit tests
  2. Reduce duplicate code by introducing functions
  3. Avoid unnecessary cloning

@@ -151,7 +151,7 @@ reqwest = { version = "0.12", default-features = false, features = [
"stream",
"multipart",
] }
# SCRAM-SHA-512 requires https://github.com/dequbed/rsasl/pull/48, https://github.com/influxdata/rskafka/pull/247
# SCRAM-SHA-512 requires https://github.com/dequbed/rsasl/pull/48, https://github.com/influxdata/rskafka/pull/247
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nit: No need to change this. The comments have been removed in the latest main.

Comment on lines 266 to 272
pub fn set_fulltext_options(&mut self, options: FulltextOptions) -> Result<()> {
self.metadata.insert(
FULLTEXT_KEY.to_string(),
serde_json::to_string(&options).context(error::SerializeSnafu)?,
);
Ok(())
}
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Prefer to reduce the duplicated code

Option 1: refactor the with_fulltext_options method

    pub fn with_fulltext_options(mut self, options: FulltextOptions) -> Result<Self> {
        self. set_fulltext_options(options)?;
        Ok(self)
    }

Option 2: use the with_fulltext_options method

column_meta.column_schema = column_meta.column_schema.with_fulltext_options(fulltext)?;

src/sql/src/statements/alter.rs Outdated Show resolved Hide resolved
_ => {}
}
}
column_meta.column_schema.set_fulltext_options(fulltext).expect("set fulltext");
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Handle the error

fulltext.enable = true;
fulltext.case_sensitive = false;
}
_ => {}
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It's better to throw an error here. What will happen if the user sets the invalid full-text options while creating a table? @zhongzc

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@zhongzc zhongzc Sep 9, 2024

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will return error

return FulltextInvalidOptionSnafu {
    msg: format!("{analyzer}, expected: 'English' | 'Chinese'"),
}
.fail();

Comment on lines 623 to 652
if let Some(analyzer) = options.get(COLUMN_FULLTEXT_OPT_KEY_ANALYZER) {
match analyzer.to_ascii_lowercase().as_str() {
"english" => {
fulltext.enable = true;
fulltext.analyzer = FulltextAnalyzer::English;
}
"chinese" => {
fulltext.enable = true;
fulltext.analyzer = FulltextAnalyzer::Chinese;
}
_ => {
return error::InvalidFulltextOptionsSnafu { column_name }.fail()?;
}
}
}
if let Some(case_sensitive) = options.get(COLUMN_FULLTEXT_OPT_KEY_CASE_SENSITIVE) {
match case_sensitive.to_ascii_lowercase().as_str() {
"true" => {
fulltext.enable = true;
fulltext.case_sensitive = true;
}
"false" => {
fulltext.enable = true;
fulltext.case_sensitive = false;
}
_ => {
return error::InvalidFulltextOptionsSnafu { column_name }.fail()?;
}
}
}
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ditto, repeated code.

src/table/src/metadata.rs Outdated Show resolved Hide resolved
Comment on lines 81 to 113
if self.parser.parse_keyword(Keyword::SET) {
let _ = self.parser.parse_keyword(Keyword::FULLTEXT);

let options = self
.parser
.parse_options(Keyword::WITH)?
.into_iter()
.map(|option: SqlOption| -> Result<(String, String)> {
let (key, value) = (option.name, option.value);
let v = match value {
Expr::Value(sqlparser::ast::Value::SingleQuotedString(v))
| Expr::Value(sqlparser::ast::Value::DoubleQuotedString(v)) => v,
Expr::Identifier(v) => v.value,
Expr::Value(sqlparser::ast::Value::Number(v, _)) => v.to_string(),
_ => return error::InvalidTableOptionValueSnafu { key, value }.fail(),
};
let k = key.value.to_lowercase();
Ok((k, v))
})
.collect::<Result<HashMap<String, String>>>()
.unwrap();

AlterTableOperation::AlterColumnFulltext {
column_name,
options: options.into(),
}
} else {
let target_type = self.parser.parse_data_type()?;

AlterTableOperation::ChangeColumnType {
column_name,
target_type,
}
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Add unit tests

@@ -588,6 +597,95 @@ impl TableMeta {
Ok(meta_builder)
}

fn change_column_fulltext(
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Do we have a way to add tests to verify it?

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Some nitpicking

src/datatypes/src/schema.rs Outdated Show resolved Hide resolved
src/store-api/src/region_request.rs Outdated Show resolved Hide resolved
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WenyXu commented Sep 18, 2024

Hi @irenjj There are some conflicts 👀

@irenjj
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irenjj commented Sep 18, 2024

Hi @irenjj There are some conflicts 👀

yep, it's greptime.proto that conflicts, i'll merge it first when this pr is ready to merge.

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Good job. Left some comments. I'll start the alter table option work soon, feel free to engage if you're interested in that.

src/datatypes/src/schema/column_schema.rs Outdated Show resolved Hide resolved
src/datatypes/src/schema.rs Outdated Show resolved Hide resolved
src/store-api/src/metadata.rs Outdated Show resolved Hide resolved
src/store-api/src/region_request.rs Outdated Show resolved Hide resolved
src/table/src/metadata.rs Outdated Show resolved Hide resolved
column = column
.clone()
.with_fulltext_options(fulltext.clone())
.unwrap();
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maybe add the doc for the safety of unwrap here or handle the error

@github-actions github-actions bot added docs-required This change requires docs update. docs-not-required This change does not impact docs. and removed docs-not-required This change does not impact docs. docs-required This change requires docs update. labels Sep 20, 2024
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WenyXu commented Sep 20, 2024

I prefer to use the struct instead of a hashmap, then we don't need to validate the hashmap everywhere. cc @evenyag @zhongzc
GreptimeTeam/greptime-proto#185 (comment)

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evenyag commented Sep 29, 2024

I prefer to use the struct instead of a hashmap, then we don't need to validate the hashmap everywhere. cc @evenyag @zhongzc GreptimeTeam/greptime-proto#185 (comment)

Looks good. We know the options in advance so I'd also suggest using a struct.

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What's the status of this PR? @irenjj @WenyXu

@irenjj
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irenjj commented Oct 8, 2024

What's the status of this PR? @irenjj @WenyXu

I'll finish it this week as @WenyXu mentioned.

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WenyXu commented Oct 8, 2024

What's the status of this PR? @irenjj @WenyXu

I'll finish it this week as @WenyXu mentioned.

Many thanks ❤️!


pub fn set_fulltext_options(&mut self, options: &FulltextOptions) -> Result<()> {
if self.data_type != ConcreteDataType::string_datatype() {
return error::InvalidFulltextDataTypeSnafu {
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Let's add column name in error

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So we can't disable the full-text index after creation?

Comment on lines 100 to 106
}) => AlterKind::ChangeFulltext {
column_name,
options: ChangeFulltextOptions {
enable,
analyzer,
case_sensitive,
},
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add a new function under api::v1::column_def

/// Tries to construct a `ChangeFulltextOptions` from the given `ChangeFulltext`.
pub fn try_as_change_fulltext_options(
    ChangeFulltext {
        column_name,
        enable,
        analyzer,
        case_sensitive,
    }: &ChangeFulltext,
) -> Result<ChangeFulltextOptions> {
    let analyer = analyzer
        .map(|a| Analyzer::try_from(a))
        .transpose()
        .context(error::DecodeProto)?;
    Ok(ChangeFulltextOptions {
        enable: *enable,
        analyzer: analyzer,
        case_sensitive: *case_sensitive,
    })
}

and use it like

        }) => AlterKind::ChangeFulltext {
             column_name,
             options: column_def::try_as_change_fulltext_options(&change)?.context(...)

Comment on lines 419 to 471
impl TryFrom<HashMap<String, String>> for ChangeFulltextOptions {
type Error = Error;

fn try_from(options: HashMap<String, String>) -> Result<Self> {
let mut fulltext = ChangeFulltextOptions::default();

// Check and parse the "analyzer" option
if let Some(analyzer) = options.get(COLUMN_FULLTEXT_OPT_KEY_ANALYZER) {
match analyzer.to_ascii_lowercase().as_str() {
"english" => {
fulltext.enable = Some(true);
fulltext.analyzer = Some(0);
}
"chinese" => {
fulltext.enable = Some(true);
fulltext.analyzer = Some(1);
}
_ => {
// If the analyzer is invalid, return None to indicate failure
return error::InvalidFulltextOptionsSnafu {
key: COLUMN_FULLTEXT_OPT_KEY_ANALYZER.to_string(),
value: analyzer.to_string(),
}
.fail();
}
}
}

// Check and parse the "case_sensitive" option
if let Some(case_sensitive) = options.get(COLUMN_FULLTEXT_OPT_KEY_CASE_SENSITIVE) {
match case_sensitive.to_ascii_lowercase().as_str() {
"true" => {
fulltext.enable = Some(true);
fulltext.case_sensitive = Some(true);
}
"false" => {
fulltext.enable = Some(true);
fulltext.case_sensitive = Some(false);
}
_ => {
// If case sensitivity is invalid, return None
return error::InvalidFulltextOptionsSnafu {
key: COLUMN_FULLTEXT_OPT_KEY_CASE_SENSITIVE.to_string(),
value: case_sensitive.to_string(),
}
.fail();
}
}
}

Ok(fulltext)
}
}
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unused code

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used by let fulltext_options: ChangeFulltextOptions = match options.try_into() {...} to extract FulltextOptions from map.

Comment on lines 359 to 373
impl TryFrom<i32> for FulltextAnalyzer {
type Error = Error;

fn try_from(value: i32) -> Result<Self> {
match value {
0 => Ok(FulltextAnalyzer::English),
1 => Ok(FulltextAnalyzer::Chinese),
_ => Err(error::InvalidFulltextOptionsSnafu {
key: "analyzer".to_string(),
value: value.to_string(),
}
.build()),
}
}
}
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Suggested change
impl TryFrom<i32> for FulltextAnalyzer {
type Error = Error;
fn try_from(value: i32) -> Result<Self> {
match value {
0 => Ok(FulltextAnalyzer::English),
1 => Ok(FulltextAnalyzer::Chinese),
_ => Err(error::InvalidFulltextOptionsSnafu {
key: "analyzer".to_string(),
value: value.to_string(),
}
.build()),
}
}
}

Comment on lines 375 to 380
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Visit, VisitMut, Default)]
pub struct ChangeFulltextOptions {
pub enable: Option<bool>,
pub analyzer: Option<i32>,
pub case_sensitive: Option<bool>,
}
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Suggested change
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Visit, VisitMut, Default)]
pub struct ChangeFulltextOptions {
pub enable: Option<bool>,
pub analyzer: Option<i32>,
pub case_sensitive: Option<bool>,
}
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Visit, VisitMut, Default)]
pub struct ChangeFulltextOptions {
pub enable: Option<bool>,
pub analyzer: Option<FulltextAnalyzer>,
pub case_sensitive: Option<bool>,
}

Comment on lines 98 to 116
/// Tries to construct a `ChangeFulltextOptions` from the given `ChangeFulltext`.
pub fn try_as_change_fulltext_options(
ChangeFulltext {
enable,
analyzer,
case_sensitive,
..
}: &ChangeFulltext,
) -> Result<ChangeFulltextOptions> {
let _ = analyzer
.map(|a| Analyzer::try_from(a))
.transpose()
.context(error::DecodeProtoSnafu)?;
Ok(ChangeFulltextOptions {
enable: *enable,
analyzer: *analyzer,
case_sensitive: *case_sensitive,
})
}
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Suggested change
/// Tries to construct a `ChangeFulltextOptions` from the given `ChangeFulltext`.
pub fn try_as_change_fulltext_options(
ChangeFulltext {
enable,
analyzer,
case_sensitive,
..
}: &ChangeFulltext,
) -> Result<ChangeFulltextOptions> {
let _ = analyzer
.map(|a| Analyzer::try_from(a))
.transpose()
.context(error::DecodeProtoSnafu)?;
Ok(ChangeFulltextOptions {
enable: *enable,
analyzer: *analyzer,
case_sensitive: *case_sensitive,
})
}
/// Tries to construct a `FulltextAnalyzer` from the given `Analyzer`.
pub fn try_as_fulltext_option(analyzer: Option<i32>) -> Result<Option<FulltextAnalyzer>> {
let analyzer = analyzer
.map(Analyzer::try_from)
.transpose()
.context(error::DecodeProtoSnafu)?;
Ok(analyzer.map(|a| match a {
Analyzer::English => FulltextAnalyzer::English,
Analyzer::Chiniese => FulltextAnalyzer::Chinese,
}))
}
/// Tries to construct a `ChangeFulltextOptions` from the given `ChangeFulltext`.
pub fn try_as_change_fulltext_options(
ChangeFulltext {
enable,
analyzer,
case_sensitive,
..
}: &ChangeFulltext,
) -> Result<ChangeFulltextOptions> {
let analyzer = try_as_fulltext_option(*analyzer)?;
Ok(ChangeFulltextOptions {
enable: *enable,
analyzer,
case_sensitive: *case_sensitive,
})
}

Comment on lines 506 to 513
alter_request::Kind::ChangeFulltext(x) => AlterKind::ChangeColumnFulltext {
column_name: x.column_name,
options: ChangeFulltextOptions {
enable: x.enable,
analyzer: x.analyzer,
case_sensitive: x.case_sensitive,
},
},
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Suggested change
alter_request::Kind::ChangeFulltext(x) => AlterKind::ChangeColumnFulltext {
column_name: x.column_name,
options: ChangeFulltextOptions {
enable: x.enable,
analyzer: x.analyzer,
case_sensitive: x.case_sensitive,
},
},
alter_request::Kind::ChangeFulltext(x) => AlterKind::ChangeColumnFulltext {
column_name: x.column_name,
options: ChangeFulltextOptions {
enable: x.enable,
analyzer: column_def::try_as_fulltext_option(x.analyzer).context(..)?,
case_sensitive: x.case_sensitive,
},
},

Comment on lines 382 to 410
impl fmt::Display for ChangeFulltextOptions {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "fulltext options: ")?;

if let Some(enable) = self.enable {
write!(f, "enable={}", enable)?;
} else {
write!(f, "enable=None")?;
}

if let Some(analyzer) = self.analyzer {
if analyzer == 0 {
write!(f, ", analyzer=English")?;
} else {
write!(f, ", analyzer=Chinese")?;
}
} else {
write!(f, ", analyzer=None")?;
}

if let Some(case_sensitive) = self.case_sensitive {
write!(f, ", case_sensitive={}", case_sensitive)?;
} else {
write!(f, ", case_sensitive=None")?;
}

Ok(())
}
}
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Suggested change
impl fmt::Display for ChangeFulltextOptions {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "fulltext options: ")?;
if let Some(enable) = self.enable {
write!(f, "enable={}", enable)?;
} else {
write!(f, "enable=None")?;
}
if let Some(analyzer) = self.analyzer {
if analyzer == 0 {
write!(f, ", analyzer=English")?;
} else {
write!(f, ", analyzer=Chinese")?;
}
} else {
write!(f, ", analyzer=None")?;
}
if let Some(case_sensitive) = self.case_sensitive {
write!(f, ", case_sensitive={}", case_sensitive)?;
} else {
write!(f, ", case_sensitive=None")?;
}
Ok(())
}
}
impl fmt::Display for ChangeFulltextOptions {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "fulltext options: ")?;
if let Some(enable) = self.enable {
write!(f, "enable={}", enable)?;
} else {
write!(f, "enable=None")?;
}
if let Some(analyzer) = &self.analyzer {
match analyzer {
FulltextAnalyzer::English => {
write!(f, ", analyzer=English")?;
}
FulltextAnalyzer::Chinese => {
write!(f, ", analyzer=Chinese")?;
}
}
} else {
write!(f, ", analyzer=None")?;
}
if let Some(case_sensitive) = self.case_sensitive {
write!(f, ", case_sensitive={}", case_sensitive)?;
} else {
write!(f, ", case_sensitive=None")?;
}
Ok(())
}
}

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BTW, We can remove this

Comment on lines 486 to 494
AlterTableOperation::AlterColumnFulltext {
column_name,
options,
} => Kind::ChangeFulltext(ChangeFulltext {
column_name: column_name.value.to_string(),
enable: options.enable,
analyzer: options.analyzer,
case_sensitive: options.case_sensitive,
}),
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Suggested change
AlterTableOperation::AlterColumnFulltext {
column_name,
options,
} => Kind::ChangeFulltext(ChangeFulltext {
column_name: column_name.value.to_string(),
enable: options.enable,
analyzer: options.analyzer,
case_sensitive: options.case_sensitive,
}),
AlterTableOperation::AlterColumnFulltext {
column_name,
options,
} => Kind::ChangeFulltext(ChangeFulltext {
column_name: column_name.value.to_string(),
enable: options.enable,
analyzer: match options.analyzer {
Some(FulltextAnalyzer::Chinese) => Some(Analyzer::Chiniese as i32),
Some(FulltextAnalyzer::English) => Some(Analyzer::English as i32),
None => None,
},
case_sensitive: options.case_sensitive,
}),

And the found a proto typo: Chiniese

@CookiePieWw
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Hi @irenjj , I‘ve noticed the pr is almost completed. If you're busy recently, I'd like to help to push forward this based on your great efforts :)

@irenjj
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irenjj commented Nov 4, 2024

Hi @irenjj , I‘ve noticed the pr is almost completed. If you're busy recently, I'd like to help to push forward this based on your great efforts :)

Sure, feel to continue this work, thank you! @CookiePieWw

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Alter column option
7 participants