ast: add PostgreSQL text search DDL statement nodes

Introduce AST structures for CREATE/ALTER TEXT SEARCH object types\n(dictionary, configuration, template, parser), including display\nimplementations, statement variants, From conversions, and span wiring.

Author: LucaCappelletti94

src/ast/ddl.rs

@@ -5121,6 +5121,151 @@ impl Spanned for AlterOperatorClass {
     }
 }
 
+/// PostgreSQL text search object kind.
+#[derive(Debug, Clone, Copy, PartialEq, PartialOrd, Eq, Ord, Hash)]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "visitor", derive(Visit, VisitMut))]
+pub enum TextSearchObjectType {
+    /// `DICTIONARY`
+    Dictionary,
+    /// `CONFIGURATION`
+    Configuration,
+    /// `TEMPLATE`
+    Template,
+    /// `PARSER`
+    Parser,
+}
+
+impl fmt::Display for TextSearchObjectType {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            TextSearchObjectType::Dictionary => write!(f, "DICTIONARY"),
+            TextSearchObjectType::Configuration => write!(f, "CONFIGURATION"),
+            TextSearchObjectType::Template => write!(f, "TEMPLATE"),
+            TextSearchObjectType::Parser => write!(f, "PARSER"),
+        }
+    }
+}
+
+/// PostgreSQL `CREATE TEXT SEARCH ...` statement.
+#[derive(Debug, Clone, PartialEq, PartialOrd, Eq, Ord, Hash)]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "visitor", derive(Visit, VisitMut))]
+pub struct CreateTextSearch {
+    /// The specific text search object type.
+    pub object_type: TextSearchObjectType,
+    /// Object name.
+    pub name: ObjectName,
+    /// Parenthesized options.
+    pub options: Vec<SqlOption>,
+}
+
+impl fmt::Display for CreateTextSearch {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(
+            f,
+            "CREATE TEXT SEARCH {} {} ({})",
+            self.object_type,
+            self.name,
+            display_comma_separated(&self.options)
+        )
+    }
+}
+
+impl Spanned for CreateTextSearch {
+    fn span(&self) -> Span {
+        Span::empty()
+    }
+}
+
+/// Option assignment used by `ALTER TEXT SEARCH DICTIONARY ... ( ... )`.
+#[derive(Debug, Clone, PartialEq, PartialOrd, Eq, Ord, Hash)]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "visitor", derive(Visit, VisitMut))]
+pub struct AlterTextSearchDictionaryOption {
+    /// Option name.
+    pub key: Ident,
+    /// Optional value (`option [= value]`).
+    pub value: Option<Expr>,
+}
+
+impl fmt::Display for AlterTextSearchDictionaryOption {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        match &self.value {
+            Some(value) => write!(f, "{} = {}", self.key, value),
+            None => write!(f, "{}", self.key),
+        }
+    }
+}
+
+/// Operation for PostgreSQL `ALTER TEXT SEARCH ...`.
+#[derive(Debug, Clone, PartialEq, PartialOrd, Eq, Ord, Hash)]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "visitor", derive(Visit, VisitMut))]
+pub enum AlterTextSearchOperation {
+    /// `RENAME TO new_name`
+    RenameTo {
+        /// New name.
+        new_name: Ident,
+    },
+    /// `OWNER TO ...`
+    OwnerTo(Owner),
+    /// `SET SCHEMA schema_name`
+    SetSchema {
+        /// Target schema.
+        schema_name: ObjectName,
+    },
+    /// `( option [= value] [, ...] )`
+    SetOptions {
+        /// Dictionary options to apply.
+        options: Vec<AlterTextSearchDictionaryOption>,
+    },
+}
+
+impl fmt::Display for AlterTextSearchOperation {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        match self {
+            AlterTextSearchOperation::RenameTo { new_name } => write!(f, "RENAME TO {new_name}"),
+            AlterTextSearchOperation::OwnerTo(owner) => write!(f, "OWNER TO {owner}"),
+            AlterTextSearchOperation::SetSchema { schema_name } => {
+                write!(f, "SET SCHEMA {schema_name}")
+            }
+            AlterTextSearchOperation::SetOptions { options } => {
+                write!(f, "({})", display_comma_separated(options))
+            }
+        }
+    }
+}
+
+/// PostgreSQL `ALTER TEXT SEARCH ...` statement.
+#[derive(Debug, Clone, PartialEq, PartialOrd, Eq, Ord, Hash)]
+#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "visitor", derive(Visit, VisitMut))]
+pub struct AlterTextSearch {
+    /// The specific text search object type.
+    pub object_type: TextSearchObjectType,
+    /// Object name.
+    pub name: ObjectName,
+    /// Operation to apply.
+    pub operation: AlterTextSearchOperation,
+}
+
+impl fmt::Display for AlterTextSearch {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(
+            f,
+            "ALTER TEXT SEARCH {} {} {}",
+            self.object_type, self.name, self.operation
+        )
+    }
+}
+
+impl Spanned for AlterTextSearch {
+    fn span(&self) -> Span {
+        Span::empty()
+    }
+}
+
 /// CREATE POLICY statement.
 ///
 /// See [PostgreSQL](https://www.postgresql.org/docs/current/sql-createpolicy.html)

src/ast/mod.rs

@@ -64,20 +64,22 @@ pub use self::ddl::{
     AlterOperatorClass, AlterOperatorClassOperation, AlterOperatorFamily,
     AlterOperatorFamilyOperation, AlterOperatorOperation, AlterPolicy, AlterPolicyOperation,
     AlterSchema, AlterSchemaOperation, AlterTable, AlterTableAlgorithm, AlterTableLock,
-    AlterTableOperation, AlterTableType, AlterType, AlterTypeAddValue, AlterTypeAddValuePosition,
+    AlterTableOperation, AlterTableType, AlterTextSearch, AlterTextSearchDictionaryOption,
+    AlterTextSearchOperation, AlterType, AlterTypeAddValue, AlterTypeAddValuePosition,
     AlterTypeOperation, AlterTypeRename, AlterTypeRenameValue, ClusteredBy, ColumnDef,
     ColumnOption, ColumnOptionDef, ColumnOptions, ColumnPolicy, ColumnPolicyProperty,
     ConstraintCharacteristics, CreateConnector, CreateDomain, CreateExtension, CreateFunction,
     CreateIndex, CreateOperator, CreateOperatorClass, CreateOperatorFamily, CreatePolicy,
-    CreatePolicyCommand, CreatePolicyType, CreateTable, CreateTrigger, CreateView, Deduplicate,
-    DeferrableInitial, DropBehavior, DropExtension, DropFunction, DropOperator, DropOperatorClass,
-    DropOperatorFamily, DropOperatorSignature, DropPolicy, DropTrigger, ForValues, GeneratedAs,
-    GeneratedExpressionMode, IdentityParameters, IdentityProperty, IdentityPropertyFormatKind,
-    IdentityPropertyKind, IdentityPropertyOrder, IndexColumn, IndexOption, IndexType,
-    KeyOrIndexDisplay, Msck, NullsDistinctOption, OperatorArgTypes, OperatorClassItem,
-    OperatorFamilyDropItem, OperatorFamilyItem, OperatorOption, OperatorPurpose, Owner, Partition,
-    PartitionBoundValue, ProcedureParam, ReferentialAction, RenameTableNameKind, ReplicaIdentity,
-    TagsColumnOption, TriggerObjectKind, Truncate, UserDefinedTypeCompositeAttributeDef,
+    CreatePolicyCommand, CreatePolicyType, CreateTable, CreateTextSearch, CreateTrigger,
+    CreateView, Deduplicate, DeferrableInitial, DropBehavior, DropExtension, DropFunction,
+    DropOperator, DropOperatorClass, DropOperatorFamily, DropOperatorSignature, DropPolicy,
+    DropTrigger, ForValues, GeneratedAs, GeneratedExpressionMode, IdentityParameters,
+    IdentityProperty, IdentityPropertyFormatKind, IdentityPropertyKind, IdentityPropertyOrder,
+    IndexColumn, IndexOption, IndexType, KeyOrIndexDisplay, Msck, NullsDistinctOption,
+    OperatorArgTypes, OperatorClassItem, OperatorFamilyDropItem, OperatorFamilyItem,
+    OperatorOption, OperatorPurpose, Owner, Partition, PartitionBoundValue, ProcedureParam,
+    ReferentialAction, RenameTableNameKind, ReplicaIdentity, TagsColumnOption,
+    TextSearchObjectType, TriggerObjectKind, Truncate, UserDefinedTypeCompositeAttributeDef,
     UserDefinedTypeInternalLength, UserDefinedTypeRangeOption, UserDefinedTypeRepresentation,
     UserDefinedTypeSqlDefinitionOption, UserDefinedTypeStorage, ViewColumnDef,
 };
@@ -3707,6 +3709,11 @@ pub enum Statement {
     /// See [PostgreSQL](https://www.postgresql.org/docs/current/sql-createopclass.html)
     CreateOperatorClass(CreateOperatorClass),
     /// ```sql
+    /// CREATE TEXT SEARCH { DICTIONARY | CONFIGURATION | TEMPLATE | PARSER }
+    /// ```
+    /// See [PostgreSQL](https://www.postgresql.org/docs/current/textsearch-intro.html)
+    CreateTextSearch(CreateTextSearch),
+    /// ```sql
     /// ALTER TABLE
     /// ```
     AlterTable(AlterTable),
@@ -3759,6 +3766,11 @@ pub enum Statement {
     /// See [PostgreSQL](https://www.postgresql.org/docs/current/sql-alteropclass.html)
     AlterOperatorClass(AlterOperatorClass),
     /// ```sql
+    /// ALTER TEXT SEARCH { DICTIONARY | CONFIGURATION | TEMPLATE | PARSER }
+    /// ```
+    /// See [PostgreSQL](https://www.postgresql.org/docs/current/textsearch-configuration.html)
+    AlterTextSearch(AlterTextSearch),
+    /// ```sql
     /// ALTER ROLE
     /// ```
     AlterRole {
@@ -5443,6 +5455,7 @@ impl fmt::Display for Statement {
                 create_operator_family.fmt(f)
             }
             Statement::CreateOperatorClass(create_operator_class) => create_operator_class.fmt(f),
+            Statement::CreateTextSearch(create_text_search) => create_text_search.fmt(f),
             Statement::AlterTable(alter_table) => write!(f, "{alter_table}"),
             Statement::AlterIndex { name, operation } => {
                 write!(f, "ALTER INDEX {name} {operation}")
@@ -5472,6 +5485,7 @@ impl fmt::Display for Statement {
             Statement::AlterOperatorClass(alter_operator_class) => {
                 write!(f, "{alter_operator_class}")
             }
+            Statement::AlterTextSearch(alter_text_search) => write!(f, "{alter_text_search}"),
             Statement::AlterRole { name, operation } => {
                 write!(f, "ALTER ROLE {name} {operation}")
             }
@@ -11912,6 +11926,12 @@ impl From<CreateOperatorClass> for Statement {
     }
 }
 
+impl From<CreateTextSearch> for Statement {
+    fn from(c: CreateTextSearch) -> Self {
+        Self::CreateTextSearch(c)
+    }
+}
+
 impl From<AlterSchema> for Statement {
     fn from(a: AlterSchema) -> Self {
         Self::AlterSchema(a)
@@ -11942,6 +11962,12 @@ impl From<AlterOperatorClass> for Statement {
     }
 }
 
+impl From<AlterTextSearch> for Statement {
+    fn from(a: AlterTextSearch) -> Self {
+        Self::AlterTextSearch(a)
+    }
+}
+
 impl From<Merge> for Statement {
     fn from(m: Merge) -> Self {
         Self::Merge(m)

src/ast/spans.rs

@@ -388,6 +388,7 @@ impl Spanned for Statement {
                 create_operator_family.span()
             }
             Statement::CreateOperatorClass(create_operator_class) => create_operator_class.span(),
+            Statement::CreateTextSearch(create_text_search) => create_text_search.span(),
             Statement::AlterTable(alter_table) => alter_table.span(),
             Statement::AlterIndex { name, operation } => name.span().union(&operation.span()),
             Statement::AlterView {
@@ -406,6 +407,7 @@ impl Spanned for Statement {
             Statement::AlterOperator { .. } => Span::empty(),
             Statement::AlterOperatorFamily { .. } => Span::empty(),
             Statement::AlterOperatorClass { .. } => Span::empty(),
+            Statement::AlterTextSearch { .. } => Span::empty(),
             Statement::AlterRole { .. } => Span::empty(),
             Statement::AlterSession { .. } => Span::empty(),
             Statement::AttachDatabase { .. } => Span::empty(),