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Support for temporary tables added. Still need more testing. (CVS 279)

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FossilOrigin-Name: 9368c62e4097aae3081a325962c1dec167fd253d
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drh
2001-10-08 13:22:32 +00:00
parent 382c0247c7
commit f57b339988
18 changed files with 684 additions and 311 deletions
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12
src/sqliteInt.h
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@@ -11,7 +11,7 @@
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.57 2001/10/06 16:33:03 drh Exp $
** @(#) $Id: sqliteInt.h,v 1.58 2001/10/08 13:22:33 drh Exp $
*/
#include "sqlite.h"
#include "hash.h"
@@ -139,6 +139,7 @@ typedef struct AggExpr AggExpr;
*/
struct sqlite {
Btree *pBe; /* The B*Tree backend */
Btree *pBeTemp; /* Backend for session temporary tables */
int flags; /* Miscellanous flags. See below */
int file_format; /* What file format version is this database? */
int schema_cookie; /* Magic number that changes with the schema */
@@ -195,6 +196,7 @@ struct Table {
u8 readOnly; /* True if this table should not be written by the user */
u8 isCommit; /* True if creation of this table has been committed */
u8 isDelete; /* True if this table is being deleted */
u8 isTemp; /* True if stored in db->pBeTemp instead of db->pBe */
};
/*
@@ -355,7 +357,9 @@ struct AggExpr {
};
/*
** An SQL parser context
** An SQL parser context. A copy of this structure is passed through
** the parser and down into all the parser action routine in order to
** carry around information that is global to the entire parse.
*/
struct Parse {
sqlite *db; /* The main database structure */
@@ -372,8 +376,8 @@ struct Parse {
int colNamesSet; /* TRUE after OP_ColumnCount has been issued to pVdbe */
int explain; /* True if the EXPLAIN flag is found on the query */
int initFlag; /* True if reparsing CREATE TABLEs */
int nameClash; /* A permanent table name clashes with temp table name */
int newTnum; /* Table number to use when reparsing CREATE TABLEs */
int newKnum; /* Primary key number when reparsing CREATE TABLEs */
int nErr; /* Number of errors seen */
int nTab; /* Number of previously allocated cursors */
int nMem; /* Number of memory cells used so far */
@@ -423,7 +427,7 @@ void sqliteExprListDelete(ExprList*);
void sqlitePragma(Parse*,Token*,Token*,int);
void sqliteCommitInternalChanges(sqlite*);
void sqliteRollbackInternalChanges(sqlite*);
void sqliteStartTable(Parse*,Token*,Token*);
void sqliteStartTable(Parse*,Token*,Token*,int);
void sqliteAddColumn(Parse*,Token*);
void sqliteAddNotNull(Parse*);
void sqliteAddColumnType(Parse*,Token*,Token*);