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Do not allow triggers on the SQLITE_MASTER table. (CVS 579)

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FossilOrigin-Name: 275ba356f351abcf9a079ac16b765c9443750f0e
This commit is contained in:
drh
2002-05-23 00:30:31 +00:00
parent 97fc3d060a
commit 1873cd508a
7 changed files with 34 additions and 18 deletions
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3
src/parse.y
View File

@ -14,7 +14,7 @@
** the parser. Lemon will also generate a header file containing
** numeric codes for all of the tokens.
**
** @(#) $Id: parse.y,v 1.66 2002/05/21 11:38:12 drh Exp $
** @(#) $Id: parse.y,v 1.67 2002/05/23 00:30:31 drh Exp $
*/
%token_prefix TK_
%token_type {Token}
@ -124,6 +124,7 @@ id(A) ::= OFFSET(X). {A = X;}
id(A) ::= PRAGMA(X). {A = X;}
id(A) ::= REPLACE(X). {A = X;}
id(A) ::= ROW(X). {A = X;}
id(A) ::= STATEMENT(X). {A = X;}
id(A) ::= TEMP(X). {A = X;}
id(A) ::= TRIGGER(X). {A = X;}
id(A) ::= VACUUM(X). {A = X;}

3
src/tokenize.c
View File

@ -15,7 +15,7 @@
** individual tokens and sends those tokens one-by-one over to the
** parser for analysis.
**
** $Id: tokenize.c,v 1.41 2002/05/15 08:30:14 danielk1977 Exp $
** $Id: tokenize.c,v 1.42 2002/05/23 00:30:31 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
@ -100,6 +100,7 @@ static Keyword aKeywordTable[] = {
{ "ROW", 0, TK_ROW, 0 },
{ "SELECT", 0, TK_SELECT, 0 },
{ "SET", 0, TK_SET, 0 },
{ "STATEMENT", 0, TK_STATEMENT, 0 },
{ "TABLE", 0, TK_TABLE, 0 },
{ "TEMP", 0, TK_TEMP, 0 },
{ "TEMPORARY", 0, TK_TEMP, 0 },

6
src/trigger.c
View File

@ -60,6 +60,12 @@ void sqliteCreateTrigger(
pParse->nErr++;
goto trigger_cleanup;
}
if( sqliteStrICmp(tab->zName, MASTER_NAME)==0 ){
sqliteSetString(&pParse->zErrMsg, "cannot create trigger on system "
"table: " MASTER_NAME, 0);
pParse->nErr++;
goto trigger_cleanup;
}
}
/* Build the Trigger object */