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Tighter binding of views, triggers, and indices to their respective

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databases.  Ticket #323.  Much more testing needs to be done to the
sqliteFix...() routines in attach.c. (CVS 990)

FossilOrigin-Name: 7202d4f1a8853368954a967b7ccca9d8a6645a2e
This commit is contained in:
drh
2003-05-31 16:21:12 +00:00
parent 8372b8d134
commit f26e09c87f
13 changed files with 373 additions and 72 deletions
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23
src/sqliteInt.h
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@@ -11,7 +11,7 @@
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.188 2003/05/29 17:50:55 drh Exp $
** @(#) $Id: sqliteInt.h,v 1.189 2003/05/31 16:21:13 drh Exp $
*/
#include "config.h"
#include "sqlite.h"
@@ -857,7 +857,6 @@ struct Parse {
** while generating expressions. Normally false */
u8 iDb; /* Index of database whose schema is being parsed */
u8 useCallback; /* True if callbacks should be used to report results */
int useDb; /* Restrict references to tables in this database */
int newTnum; /* Table number to use when reparsing CREATE TABLEs */
int nErr; /* Number of errors seen */
int nTab; /* Number of previously allocated VDBE cursors */
@@ -905,6 +904,7 @@ struct Trigger {
IdList *pColumns; /* If this is an UPDATE OF <column-list> trigger,
the <column-list> is stored here */
int foreach; /* One of TK_ROW or TK_STATEMENT */
Token *pNameToken; /* Token containing zName. Use during parsing only */
TriggerStep *step_list; /* Link list of trigger program steps */
Trigger *pNext; /* Next trigger associated with the table */
@@ -1001,6 +1001,19 @@ struct TriggerStack {
TriggerStack *pNext; /* Next trigger down on the trigger stack */
};
/*
** The following structure contains information used by the sqliteFix...
** routines as they walk the parse tree to make database references
** explicit.
*/
typedef struct DbFixer DbFixer;
struct DbFixer {
Parse *pParse; /* The parsing context. Error messages written here */
const char *zDb; /* Make sure all objects are contained in this database */
const char *zType; /* Type of the container - used for error messages */
const Token *pName; /* Name of the container - used for error messages */
};
/*
* This global flag is set for performance testing of triggers. When it is set
* SQLite will perform the overhead of building new and old trigger references
@@ -1171,3 +1184,9 @@ void sqliteAttach(Parse*, Token*, Token*);
void sqliteDetach(Parse*, Token*);
int sqliteBtreeFactory(const sqlite *db, const char *zFilename,
int mode, int nPg, Btree **ppBtree);
int sqliteFixInit(DbFixer*, Parse*, int, const char*, const Token*);
int sqliteFixSrcList(DbFixer*, SrcList*);
int sqliteFixSelect(DbFixer*, Select*);
int sqliteFixExpr(DbFixer*, Expr*);
int sqliteFixExprList(DbFixer*, ExprList*);
int sqliteFixTriggerStep(DbFixer*, TriggerStep*);