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Add the savepoint feature. This feature is largely untested at this point. (CVS 6036)

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FossilOrigin-Name: 34b56600ec0c5cd7b5faab265750252bc9850e3e
This commit is contained in:
danielk1977
2008-12-17 17:30:26 +00:00
parent f0f9f75443
commit fd7f045225
14 changed files with 820 additions and 251 deletions
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14
src/parse.y
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@@ -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 1.265 2008/12/10 18:03:46 drh Exp $
** @(#) $Id: parse.y,v 1.266 2008/12/17 17:30:26 danielk1977 Exp $
*/
// All token codes are small integers with #defines that begin with "TK_"
@@ -118,6 +118,18 @@ cmd ::= COMMIT trans_opt. {sqlite3CommitTransaction(pParse);}
cmd ::= END trans_opt. {sqlite3CommitTransaction(pParse);}
cmd ::= ROLLBACK trans_opt. {sqlite3RollbackTransaction(pParse);}
savepoint_opt ::= SAVEPOINT.
savepoint_opt ::= .
cmd ::= SAVEPOINT nm(X). {
sqlite3Savepoint(pParse, SAVEPOINT_BEGIN, &X);
}
cmd ::= RELEASE savepoint_opt nm(X). {
sqlite3Savepoint(pParse, SAVEPOINT_RELEASE, &X);
}
cmd ::= ROLLBACK trans_opt TO savepoint_opt nm(X). {
sqlite3Savepoint(pParse, SAVEPOINT_ROLLBACK, &X);
}
///////////////////// The CREATE TABLE statement ////////////////////////////
//
cmd ::= create_table create_table_args.