MySQL: Support SHOW FULL PROCESSLIST syntax

Author: jstnd

src/ast/mod.rs

@@ -4098,6 +4098,15 @@ pub enum Statement {
         show_options: ShowStatementOptions,
     },
     /// ```sql
+    /// SHOW [FULL] PROCESSLIST
+    /// ```
+    ///
+    /// Note: this is a MySQL-specific statement.
+    ShowProcessList {
+        /// `true` when full process information was requested.
+        full: bool,
+    },
+    /// ```sql
     /// SHOW SCHEMAS
     /// ```
     ShowSchemas {
@@ -5710,6 +5719,14 @@ impl fmt::Display for Statement {
                 )?;
                 Ok(())
             }
+            Statement::ShowProcessList { full } => {
+                write!(
+                    f,
+                    "SHOW {full}PROCESSLIST",
+                    full = if *full { "FULL " } else { "" },
+                )?;
+                Ok(())
+            }
             Statement::ShowSchemas {
                 terse,
                 history,

src/ast/spans.rs

@@ -474,6 +474,7 @@ impl Spanned for Statement {
             Statement::DropPolicy { .. } => Span::empty(),
             Statement::DropConnector { .. } => Span::empty(),
             Statement::ShowDatabases { .. } => Span::empty(),
+            Statement::ShowProcessList { .. } => Span::empty(),
             Statement::ShowSchemas { .. } => Span::empty(),
             Statement::ShowObjects { .. } => Span::empty(),
             Statement::ShowViews { .. } => Span::empty(),

src/keywords.rs

@@ -810,6 +810,7 @@ define_keywords!(
     PRIOR,
     PRIVILEGES,
     PROCEDURE,
+    PROCESSLIST,
     PROFILE,
     PROGRAM,
     PROJECTION,

src/parser/mod.rs

@@ -15047,6 +15047,10 @@ impl<'a> Parser<'a> {
             Ok(self.parse_show_views(terse, false)?)
         } else if self.parse_keyword(Keyword::FUNCTIONS) {
             Ok(self.parse_show_functions()?)
+        } else if self.parse_keyword(Keyword::PROCESSLIST)
+            && dialect_of!(self is MySqlDialect | GenericDialect)
+        {
+            Ok(Statement::ShowProcessList { full })
         } else if extended || full {
             Err(ParserError::ParserError(
                 "EXTENDED/FULL are not supported with this type of SHOW query".to_string(),

tests/sqlparser_mysql.rs

@@ -369,6 +369,18 @@ fn parse_show_columns() {
     );
 }
 
+#[test]
+fn parse_show_process_list() {
+    assert_eq!(
+        mysql_and_generic().verified_stmt("SHOW PROCESSLIST"),
+        Statement::ShowProcessList { full: false }
+    );
+    assert_eq!(
+        mysql_and_generic().verified_stmt("SHOW FULL PROCESSLIST"),
+        Statement::ShowProcessList { full: true }
+    );
+}
+
 #[test]
 fn parse_show_status() {
     assert_eq!(