feat: support select into and temporary table in tsql

pegjs/transactsql.pegjs

@@ -1412,6 +1412,7 @@ select_stmt_nake
     d:KW_DISTINCT?      __
     top:top_clause? __
     c:column_clause     __
+    ci:into_clause?      __
     f:from_clause?      __
     w:where_clause?     __
     g:group_by_clause?  __
@@ -1426,6 +1427,10 @@ select_stmt_nake
           options: opts,
           distinct: d,
           columns: c,
+          into: {
+            ...(ci || {}),
+            position: ci && 'column',
+          },
           from: f,
           for: fx,
           where: w,
@@ -1515,6 +1520,14 @@ alias_clause
   = KW_AS __ i:alias_ident { return i; }
   / KW_AS? __ i:ident { return i; }
 
+into_clause
+  = KW_INTO __ f:ident {
+    return {
+      type: 'into',
+      expr: f
+    }
+  }
+
 from_clause
   = KW_FROM __ l:table_ref_list __ op:pivot_operator? {
     if (l[0]) l[0].operator = op
@@ -1850,6 +1863,10 @@ table_name
       v.table = v.name;
       return v;
     }
+  / p:('##' / '#') n:ident {
+      return { db: null, table: `${p}${n}` }
+  }
+
 or_and_expr
 	= head:expr tail:(__ (KW_AND / KW_OR) __ expr)* {
     const len = tail.length
@@ -3133,7 +3150,6 @@ ___
 comment
   = block_comment
   / line_comment
-  / pound_sign_comment
 
 block_comment
   = "/*" (!"*/" !"/*" char / block_comment)* "*/"

test/transactsql.spec.js

@@ -360,4 +360,26 @@ describe('transactsql', () => {
       expect(getParsedSql(sql)).to.be.equal("SELECT * FROM (VALUES (0,0), (1,NULL), (NULL,2), (3,4)) AS [t(a, b)]")
     })
   })
+  const SQL_LIST = [
+    {
+      title: 'select from temp table',
+      sql: [
+        'SELECT * FROM #TempLocationCol',
+        'SELECT * FROM [#TempLocationCol]'
+      ]
+    },
+    {
+      title: 'select into clause',
+      sql: [
+        'SELECT * INTO #temp_table FROM tableName',
+        'SELECT * INTO [#temp_table] FROM [tableName]'
+      ]
+    }
+  ]
+  SQL_LIST.forEach(sqlInfo => {
+    const { title, sql } = sqlInfo
+    it(`should support ${title}`, () => {
+      expect(getParsedSql(sql[0], tsqlOpt)).to.equal(sql[1])
+    })
+  })
 })