msi: Implement the DROP TABLE sql command.

dlls/msi/Makefile.in

@@ -19,6 +19,7 @@ C_SRCS = \
 	delete.c \
 	dialog.c \
 	distinct.c \
+	drop.c \
 	events.c \
 	files.c \
 	font.c \

dlls/msi/alter.c

@@ -242,6 +242,7 @@ static const MSIVIEWOPS alter_ops =
     NULL,
     NULL,
     NULL,
+    NULL,
 };
 
 UINT ALTER_CreateView( MSIDATABASE *db, MSIVIEW **view, LPCWSTR name, column_info *colinfo, int hold )

dlls/msi/create.c

@@ -137,6 +137,7 @@ static const MSIVIEWOPS create_ops =
     NULL,
     NULL,
     NULL,
+    NULL,
 };
 
 static UINT check_columns( column_info *col_info )
@@ -157,7 +158,7 @@ UINT CREATE_CreateView( MSIDATABASE *db, MSIVIEW **view, LPWSTR table,
 {
     MSICREATEVIEW *cv = NULL;
     UINT r;
-    const column_info *col;
+    column_info *col;
     BOOL temp = TRUE;
 
     TRACE("%p\n", cv );
@@ -171,11 +172,16 @@ UINT CREATE_CreateView( MSIDATABASE *db, MSIVIEW **view, LPWSTR table,
         return ERROR_FUNCTION_FAILED;
 
     for( col = col_info; col; col = col->next )
+    {
+        if (!col->table)
+            col->table = strdupW(table);
+
         if( !col->temporary )
         {
             temp = FALSE;
             break;
         }
+    }
 
     /* fill the structure */
     cv->view.ops = &create_ops;

dlls/msi/delete.c

@@ -191,7 +191,8 @@ static const MSIVIEWOPS delete_ops =
     NULL,
     NULL,
     NULL,
-    NULL
+    NULL,
+    NULL,
 };
 
 UINT DELETE_CreateView( MSIDATABASE *db, MSIVIEW **view, MSIVIEW *table )

dlls/msi/distinct.c

@@ -296,6 +296,7 @@ static const MSIVIEWOPS distinct_ops =
     NULL,
     NULL,
     DISTINCT_sort,
+    NULL,
 };
 
 UINT DISTINCT_CreateView( MSIDATABASE *db, MSIVIEW **view, MSIVIEW *table )

dlls/msi/drop.c

@@ -0,0 +1,125 @@
+/*
+ * Implementation of the Microsoft Installer (msi.dll)
+ *
+ * Copyright 2008 James Hawkins
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#include <stdarg.h>
+
+#include "windef.h"
+#include "winbase.h"
+#include "winerror.h"
+#include "wine/debug.h"
+#include "msi.h"
+#include "msiquery.h"
+#include "objbase.h"
+#include "objidl.h"
+#include "msipriv.h"
+
+#include "query.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(msidb);
+
+typedef struct tagMSIDROPVIEW
+{
+    MSIVIEW view;
+    MSIDATABASE *db;
+    MSIVIEW *table;
+    column_info *colinfo;
+    INT hold;
+} MSIDROPVIEW;
+
+static UINT DROP_execute(struct tagMSIVIEW *view, MSIRECORD *record)
+{
+    MSIDROPVIEW *dv = (MSIDROPVIEW*)view;
+    UINT r;
+
+    TRACE("%p %p\n", dv, record);
+
+    if( !dv->table )
+         return ERROR_FUNCTION_FAILED;
+
+    r = dv->table->ops->execute(dv->table, record);
+    if (r != ERROR_SUCCESS)
+        return r;
+
+    return dv->table->ops->drop(dv->table);
+}
+
+static UINT DROP_close(struct tagMSIVIEW *view)
+{
+    MSIDROPVIEW *dv = (MSIDROPVIEW*)view;
+
+    TRACE("%p\n", dv);
+
+    return ERROR_SUCCESS;
+}
+
+static UINT DROP_get_dimensions(struct tagMSIVIEW *view, UINT *rows, UINT *cols)
+{
+    MSIDROPVIEW *dv = (MSIDROPVIEW*)view;
+
+    TRACE("%p %p %p\n", dv, rows, cols);
+
+    return ERROR_FUNCTION_FAILED;
+}
+
+static const MSIVIEWOPS drop_ops =
+{
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    DROP_execute,
+    DROP_close,
+    DROP_get_dimensions,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+    NULL,
+};
+
+UINT DROP_CreateView(MSIDATABASE *db, MSIVIEW **view, LPCWSTR name)
+{
+    MSIDROPVIEW *dv;
+    UINT r;
+
+    TRACE("%p %s\n", view, debugstr_w(name));
+
+    dv = msi_alloc_zero(sizeof *dv);
+    if(!dv)
+        return ERROR_FUNCTION_FAILED;
+
+    r = TABLE_CreateView(db, name, &dv->table);
+    if (r != ERROR_SUCCESS || !dv->table)
+        return r;
+
+    dv->view.ops = &drop_ops;
+    dv->db = db;
+
+    *view = (MSIVIEW *)dv;
+
+    return ERROR_SUCCESS;
+}

dlls/msi/insert.c

@@ -239,6 +239,7 @@ static const MSIVIEWOPS insert_ops =
     NULL,
     NULL,
     NULL,
+    NULL,
 };
 
 static UINT count_column_info( const column_info *ci )

dlls/msi/join.c

@@ -306,6 +306,7 @@ static const MSIVIEWOPS join_ops =
     NULL,
     NULL,
     JOIN_sort,
+    NULL,
 };
 
 UINT JOIN_CreateView( MSIDATABASE *db, MSIVIEW **view, LPWSTR tables )

dlls/msi/msipriv.h

@@ -274,6 +274,11 @@ typedef struct tagMSIVIEWOPS
      * sort - orders the table by columns
      */
     UINT (*sort)( struct tagMSIVIEW *view, column_info *columns );
+
+    /*
+     * drop - drops the table from the database
+     */
+    UINT (*drop)( struct tagMSIVIEW *view );
 } MSIVIEWOPS;
 
 struct tagMSIVIEW

dlls/msi/query.h

@@ -117,6 +117,8 @@ UINT STREAMS_CreateView( MSIDATABASE *db, MSIVIEW **view );
 
 UINT STORAGES_CreateView( MSIDATABASE *db, MSIVIEW **view );
 
+UINT DROP_CreateView( MSIDATABASE *db, MSIVIEW **view, LPCWSTR name );
+
 int sqliteGetToken(const WCHAR *z, int *tokenType);
 
 MSIRECORD *msi_query_merge_record( UINT fields, const column_info *vl, MSIRECORD *rec );

dlls/msi/select.c

@@ -363,6 +363,7 @@ static const MSIVIEWOPS select_ops =
     NULL,
     NULL,
     SELECT_sort,
+    NULL,
 };
 
 static UINT SELECT_AddColumn( MSISELECTVIEW *sv, LPCWSTR name )

dlls/msi/sql.y

@@ -81,7 +81,7 @@ static struct expr * EXPR_wildcard( void *info );
     int integer;
 }
 
-%token TK_ALTER TK_AND TK_BY TK_CHAR TK_COMMA TK_CREATE TK_DELETE
+%token TK_ALTER TK_AND TK_BY TK_CHAR TK_COMMA TK_CREATE TK_DELETE TK_DROP
 %token TK_DISTINCT TK_DOT TK_EQ TK_FREE TK_FROM TK_GE TK_GT TK_HOLD TK_ADD
 %token <str> TK_ID
 %token TK_ILLEGAL TK_INSERT TK_INT
@@ -106,7 +106,7 @@ static struct expr * EXPR_wildcard( void *info );
 %type <column_list> selcollist column column_and_type column_def table_def
 %type <column_list> column_assignment update_assign_list constlist
 %type <query> query from fromtable selectfrom unorderedsel
-%type <query> oneupdate onedelete oneselect onequery onecreate oneinsert onealter
+%type <query> oneupdate onedelete oneselect onequery onecreate oneinsert onealter onedrop
 %type <expr> expr val column_val const_val
 %type <column_type> column_type data_type data_type_l data_count
 %type <integer> number alterop
@@ -135,6 +135,7 @@ onequery:
   | oneupdate
   | onedelete
   | onealter
+  | onedrop
     ;
 
 oneinsert:
@@ -267,6 +268,19 @@ alterop:
         }
   ;
 
+onedrop:
+    TK_DROP TK_TABLE table
+        {
+            SQL_input* sql = (SQL_input*) info;
+            UINT r;
+
+            $$ = NULL;
+            r = DROP_CreateView( sql->db, &$$, $3 );
+            if( r != ERROR_SUCCESS || !$$ )
+                YYABORT;
+        }
+  ;
+
 table_def:
     column_def TK_PRIMARY TK_KEY selcollist
         {

dlls/msi/storages.c

@@ -474,6 +474,7 @@ static const MSIVIEWOPS storages_ops =
     NULL,
     NULL,
     NULL,
+    NULL,
 };
 
 static INT add_storages_to_table(MSISTORAGESVIEW *sv)

dlls/msi/streams.c

@@ -438,6 +438,7 @@ static const MSIVIEWOPS streams_ops =
     NULL,
     NULL,
     NULL,
+    NULL,
 };
 
 static INT add_streams_to_table(MSISTREAMSVIEW *sv)

dlls/msi/table.c

@@ -109,7 +109,7 @@ static const MSICOLUMNINFO _Columns_cols[4] = {
 };
 
 static const MSICOLUMNINFO _Tables_cols[1] = {
-    { szTables,  1, szName,   MSITYPE_VALID | MSITYPE_STRING | 64, 0, 0, NULL },
+    { szTables,  1, szName,   MSITYPE_VALID | MSITYPE_STRING | MSITYPE_KEY | 64, 0, 0, NULL },
 };
 
 #define MAX_STREAM_NAME 0x1f
@@ -1073,20 +1073,12 @@ BOOL TABLE_Exists( MSIDATABASE *db, LPCWSTR name )
     count = table->row_count;
     for( i=0; i<count; i++ )
         if( table->data[ i ][ 0 ] == table_id )
-            break;
-
-    if (i!=count)
-        return TRUE;
+            return TRUE;
 
     count = table->nonpersistent_row_count;
     for( i=0; i<count; i++ )
         if( table->nonpersistent_data[ i ][ 0 ] == table_id )
-            break;
-
-    if (i!=count)
-        return TRUE;
-
-    TRACE("Searched %d tables, but %d was not found\n", count, table_id );
+            return TRUE;
 
     return FALSE;
 }
@@ -2058,6 +2050,52 @@ static UINT TABLE_sort(struct tagMSIVIEW *view, column_info *columns)
     return ERROR_SUCCESS;
 }
 
+static UINT TABLE_drop(struct tagMSIVIEW *view)
+{
+    MSITABLEVIEW *tv = (MSITABLEVIEW*)view;
+    MSIVIEW *tables = NULL;
+    MSIRECORD *rec = NULL;
+    UINT i, r, row;
+
+    TRACE("dropping table %s\n", debugstr_w(tv->name));
+
+    for (i = 0; i < tv->table->col_count; i++)
+    {
+        r = TABLE_remove_column(view, tv->table->colinfo[i].tablename,
+                                tv->table->colinfo[i].number);
+        if (r != ERROR_SUCCESS)
+            return r;
+    }
+
+    rec = MSI_CreateRecord(1);
+    if (!rec)
+        return ERROR_OUTOFMEMORY;
+
+    MSI_RecordSetStringW(rec, 1, tv->name);
+
+    r = TABLE_CreateView(tv->db, szTables, &tables);
+    if (r != ERROR_SUCCESS)
+        return r;
+
+    r = msi_table_find_row((MSITABLEVIEW *)tables, rec, &row);
+    if (r != ERROR_SUCCESS)
+        goto done;
+
+    r = TABLE_delete_row(tables, row);
+    if (r != ERROR_SUCCESS)
+        goto done;
+
+    list_remove(&tv->table->entry);
+    free_table(tv->table);
+    TABLE_delete(view);
+
+done:
+    msiobj_release(&rec->hdr);
+    tables->ops->delete(tables);
+
+    return r;
+}
+
 static const MSIVIEWOPS table_ops =
 {
     TABLE_fetch_int,
@@ -2078,6 +2116,7 @@ static const MSIVIEWOPS table_ops =
     TABLE_add_column,
     TABLE_remove_column,
     TABLE_sort,
+    TABLE_drop,
 };
 
 UINT TABLE_CreateView( MSIDATABASE *db, LPCWSTR name, MSIVIEW **view )

dlls/msi/tests/db.c

@@ -6313,6 +6313,94 @@ static void test_dbtopackage(void)
     DeleteFileA(msifile);
 }
 
+static void test_droptable(void)
+{
+    MSIHANDLE hdb, hview, hrec;
+    LPCSTR query;
+    UINT r;
+
+    r = MsiOpenDatabase(msifile, MSIDBOPEN_CREATE, &hdb);
+    ok(r == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", r);
+
+    query = "CREATE TABLE `One` ( `A` INT PRIMARY KEY `A` )";
+    r = run_query(hdb, 0, query);
+    ok(r == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", r);
+
+    query = "SELECT * FROM `One`";
+    r = do_query(hdb, query, &hrec);
+    ok(r == ERROR_NO_MORE_ITEMS, "Expected ERROR_NO_MORE_ITEMS, got %d\n", r);
+
+    query = "SELECT * FROM `_Tables` WHERE `Name` = 'One'";
+    r = do_query(hdb, query, &hrec);
+    ok(r == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", r);
+
+    MsiCloseHandle(hrec);
+
+    query = "SELECT * FROM `_Columns` WHERE `Table` = 'One'";
+    r = do_query(hdb, query, &hrec);
+    ok(r == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", r);
+
+    MsiCloseHandle(hrec);
+
+    query = "DROP `One`";
+    r = run_query(hdb, 0, query);
+    ok(r == ERROR_BAD_QUERY_SYNTAX,
+       "Expected ERROR_BAD_QUERY_SYNTAX, got %d\n", r);
+
+    query = "DROP TABLE";
+    r = run_query(hdb, 0, query);
+    ok(r == ERROR_BAD_QUERY_SYNTAX,
+       "Expected ERROR_BAD_QUERY_SYNTAX, got %d\n", r);
+
+    query = "DROP TABLE `One`";
+    hview = 0;
+    r = MsiDatabaseOpenViewA(hdb, query, &hview);
+    ok(r == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", r);
+    r = MsiViewExecute(hview, 0);
+    ok(r == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", r);
+
+    r = MsiViewFetch(hview, &hrec);
+    ok(r == ERROR_FUNCTION_FAILED,
+       "Expected ERROR_FUNCTION_FAILED, got %d\n", r);
+
+    MsiViewClose(hview);
+    MsiCloseHandle(hview);
+
+    query = "SELECT * FROM `IDontExist`";
+    r = do_query(hdb, query, &hrec);
+    ok(r == ERROR_BAD_QUERY_SYNTAX,
+       "Expected ERROR_BAD_QUERY_SYNTAX, got %d\n", r);
+
+    query = "SELECT * FROM `One`";
+    r = do_query(hdb, query, &hrec);
+    ok(r == ERROR_BAD_QUERY_SYNTAX,
+       "Expected ERROR_BAD_QUERY_SYNTAX, got %d\n", r);
+
+    query = "CREATE TABLE `One` ( `A` INT PRIMARY KEY `A` )";
+    r = run_query(hdb, 0, query);
+    ok(r == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", r);
+
+    query = "DROP TABLE One";
+    r = run_query(hdb, 0, query);
+    ok(r == ERROR_SUCCESS, "Expected ERROR_SUCCESS, got %d\n", r);
+
+    query = "SELECT * FROM `One`";
+    r = do_query(hdb, query, &hrec);
+    ok(r == ERROR_BAD_QUERY_SYNTAX,
+       "Expected ERROR_BAD_QUERY_SYNTAX, got %d\n", r);
+
+    query = "SELECT * FROM `_Tables` WHERE `Name` = 'One'";
+    r = do_query(hdb, query, &hrec);
+    ok(r == ERROR_NO_MORE_ITEMS, "Expected ERROR_NO_MORE_ITEMS, got %d\n", r);
+
+    query = "SELECT * FROM `_Columns` WHERE `Table` = 'One'";
+    r = do_query(hdb, query, &hrec);
+    ok(r == ERROR_NO_MORE_ITEMS, "Expected ERROR_NO_MORE_ITEMS, got %d\n", r);
+
+    MsiCloseHandle(hdb);
+    DeleteFileA(msifile);
+}
+
 START_TEST(db)
 {
     test_msidatabase();
@@ -6352,4 +6440,5 @@ START_TEST(db)
     test_where_viewmodify();
     test_storages_table();
     test_dbtopackage();
+    test_droptable();
 }

dlls/msi/tokenize.c

@@ -47,6 +47,7 @@ static const WCHAR CHARACTER_W[] = { 'C','H','A','R','A','C','T','E','R',0 };
 static const WCHAR CREATE_W[] = { 'C','R','E','A','T','E',0 };
 static const WCHAR DELETE_W[] = { 'D','E','L','E','T','E',0 };
 static const WCHAR DISTINCT_W[] = { 'D','I','S','T','I','N','C','T',0 };
+static const WCHAR DROP_W[] = { 'D','R','O','P',0 };
 static const WCHAR FREE_W[] = { 'F','R','E','E',0 };
 static const WCHAR FROM_W[] = { 'F','R','O','M',0 };
 static const WCHAR HOLD_W[] = { 'H','O','L','D',0 };
@@ -89,6 +90,7 @@ static const Keyword aKeywordTable[] = {
   { CREATE_W, TK_CREATE },
   { DELETE_W, TK_DELETE },
   { DISTINCT_W, TK_DISTINCT },
+  { DROP_W, TK_DROP },
   { FREE_W, TK_FREE },
   { FROM_W, TK_FROM },
   { HOLD_W, TK_HOLD },

dlls/msi/update.c

@@ -222,6 +222,7 @@ static const MSIVIEWOPS update_ops =
     NULL,
     NULL,
     NULL,
+    NULL,
 };
 
 UINT UPDATE_CreateView( MSIDATABASE *db, MSIVIEW **view, LPCWSTR table,

dlls/msi/where.c

@@ -585,6 +585,7 @@ static const MSIVIEWOPS where_ops =
     NULL,
     NULL,
     WHERE_sort,
+    NULL,
 };
 
 static UINT WHERE_VerifyCondition( MSIDATABASE *db, MSIVIEW *table, struct expr *cond,