Create temporary table t(c1, c2) as select ... (#1225)

Co-authored-by: Francois Secherre <secherre.nospam@gmail.com>

Author: francois-secherre

src/main/java/net/sf/jsqlparser/statement/create/table/CreateTable.java

@@ -14,6 +14,7 @@
 import java.util.Collections;
 import java.util.List;
 import java.util.Optional;
+
 import net.sf.jsqlparser.schema.Table;
 import net.sf.jsqlparser.statement.Statement;
 import net.sf.jsqlparser.statement.StatementVisitor;
@@ -27,6 +28,7 @@ public class CreateTable implements Statement {
     private List<String> createOptionsStrings;
     private List<String> tableOptionsStrings;
     private List<ColumnDefinition> columnDefinitions;
+    private List<String> columns;
     private List<Index> indexes;
     private Select select;
     private Table likeTable;
@@ -66,6 +68,14 @@ public void setColumnDefinitions(List<ColumnDefinition> list) {
         columnDefinitions = list;
     }
 
+    public List<String> getColumns() {
+        return this.columns;
+    }
+
+    public void setColumns(List<String> columns) {
+        this.columns =columns;
+    }
+
     /**
      * @return a list of options (as simple strings) of this table definition, as ("TYPE", "=", "MYISAM")
      */
@@ -150,6 +160,10 @@ public String toString() {
                 + (!"".equals(createOps) ? createOps + " " : "")
                 + "TABLE " + (ifNotExists ? "IF NOT EXISTS " : "") + table;
 
+        if (columns != null && !columns.isEmpty()) {
+            sql += " ";
+            sql += PlainSelect.getStringList(columns, true, true);
+        }
         if (columnDefinitions != null && !columnDefinitions.isEmpty()) {
             sql += " (";
 
@@ -217,6 +231,11 @@ public CreateTable withColumnDefinitions(List<ColumnDefinition> columnDefinition
         return this;
     }
 
+    public CreateTable withColumns(List<String> columns) {
+        this.setColumns(columns);
+        return this;
+    }
+
     public CreateTable withIndexes(List<Index> indexes) {
         this.setIndexes(indexes);
         return this;
@@ -246,6 +265,18 @@ public CreateTable addColumnDefinitions(Collection<? extends ColumnDefinition> c
         return this.withColumnDefinitions(collection);
     }
 
+    public CreateTable addColumns(String... columns) {
+        List<String> collection = Optional.ofNullable(getColumns()).orElseGet(ArrayList::new);
+        Collections.addAll(collection, columns);
+        return this.withColumns(collection);
+    }
+
+    public CreateTable addColumns(Collection<String> columns) {
+        List<String> collection = Optional.ofNullable(getColumns()).orElseGet(ArrayList::new);
+        collection.addAll(columns);
+        return this.withColumns(collection);
+    }
+
     public CreateTable addIndexes(Index... indexes) {
         List<Index> collection = Optional.ofNullable(getIndexes()).orElseGet(ArrayList::new);
         Collections.addAll(collection, indexes);

src/main/java/net/sf/jsqlparser/util/deparser/CreateTableDeParser.java

@@ -49,6 +49,15 @@ public void deParse(CreateTable createTable) {
         }
         buffer.append(createTable.getTable().getFullyQualifiedName());
 
+        if (createTable.getColumns() != null && !createTable.getColumns().isEmpty()) {
+            buffer.append(" (");
+            Iterator<String> columnIterator = createTable.getColumns().iterator();
+            buffer.append(columnIterator.next());
+            while (columnIterator.hasNext()) {
+                buffer.append(", ").append(columnIterator.next());
+            }
+            buffer.append(")");
+        }
         if (createTable.getColumnDefinitions() != null) {
             buffer.append(" (");
             for (Iterator<ColumnDefinition> iter = createTable.getColumnDefinitions().iterator(); iter.hasNext();) {

src/main/jjtree/net/sf/jsqlparser/parser/JSqlParserCC.jjt

@@ -4253,6 +4253,8 @@ CreateTable CreateTable():
     ExcludeConstraint excludeC = null;
     RowMovement rowMovement = null;
     ReferentialAction.Action action = null;
+    String tableColumn = null;
+    List<String> columns = new ArrayList<String>();
 }
 {
     <K_CREATE>
@@ -4268,7 +4270,8 @@ CreateTable CreateTable():
     <K_TABLE>
     [ LOOKAHEAD(2) <K_IF> <K_NOT> <K_EXISTS> { createTable.setIfNotExists(true); }]
     table=Table()
-    [ LOOKAHEAD(2)
+    [ ( LOOKAHEAD(3) "(" tableColumn=RelObjectName() { columns.add(tableColumn); } ("," tableColumn=RelObjectName() { columns.add(tableColumn); } )* ")" |
+    LOOKAHEAD(2)
         ("("
         coldef = ColumnDefinition()
 
@@ -4397,6 +4400,7 @@ CreateTable CreateTable():
 
         ")"
         )
+      )
     ]
     ( parameter=CreateParameter() { tableOptions.addAll(parameter); } )*
 
@@ -4421,6 +4425,8 @@ CreateTable CreateTable():
             createTable.setTableOptionsStrings(tableOptions);
         if (columnDefinitions.size() > 0)
             createTable.setColumnDefinitions(columnDefinitions);
+        if (columns.size() > 0)
+            createTable.setColumns(columns);
         return createTable;
     }
 }

src/test/java/net/sf/jsqlparser/statement/create/CreateTableTest.java

@@ -821,4 +821,16 @@ public void testDefaultArray() throws JSQLParserException {
     assertSqlCanBeParsedAndDeparsed(
         "CREATE TABLE t (f1 text[] DEFAULT ARRAY[] :: text[] NOT NULL, f2 int[] DEFAULT ARRAY[1, 2])");
   }
+
+  @Test
+  public void testCreateTemporaryTableAsSelect() throws JSQLParserException {
+    assertSqlCanBeParsedAndDeparsed(
+            "CREATE TEMPORARY TABLE T1 (C1, C2) AS SELECT C3, C4 FROM T2");
+  }
+
+  @Test
+  public void testCreateTempTableAsSelect() throws JSQLParserException {
+    assertSqlCanBeParsedAndDeparsed(
+            "CREATE TEMP TABLE T1 (C1, C2) AS SELECT C3, C4 FROM T2");
+  }
 }