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Cause opening a transaction on a sharable b-tree module automatically obtain a read-lock on page 1. This means there is no way for sqlite3BtreeGetMeta() to fail. (CVS 6836)

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FossilOrigin-Name: e3c055f167f895ae45858de9d9d8a264df2f36b6
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danielk1977
2009-07-02 07:47:33 +00:00
parent 325ccfa90e
commit 602b466e99
12 changed files with 168 additions and 163 deletions
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8
src/btree.h
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@@ -13,7 +13,7 @@
** subsystem. See comments in the source code for a detailed description
** of what each interface routine does.
**
** @(#) $Id: btree.h,v 1.116 2009/06/03 11:25:07 danielk1977 Exp $
** @(#) $Id: btree.h,v 1.117 2009/07/02 07:47:33 danielk1977 Exp $
*/
#ifndef _BTREE_H_
#define _BTREE_H_
@@ -97,8 +97,8 @@ int sqlite3BtreeIsInTrans(Btree*);
int sqlite3BtreeIsInReadTrans(Btree*);
int sqlite3BtreeIsInBackup(Btree*);
void *sqlite3BtreeSchema(Btree *, int, void(*)(void *));
int sqlite3BtreeSchemaLocked(Btree *);
int sqlite3BtreeLockTable(Btree *, int, u8);
int sqlite3BtreeSchemaLocked(Btree *pBtree);
int sqlite3BtreeLockTable(Btree *pBtree, int iTab, u8 isWriteLock);
int sqlite3BtreeSavepoint(Btree *, int, int);
const char *sqlite3BtreeGetFilename(Btree *);
@@ -118,7 +118,7 @@ int sqlite3BtreeDropTable(Btree*, int, int*);
int sqlite3BtreeClearTable(Btree*, int, int*);
void sqlite3BtreeTripAllCursors(Btree*, int);
int sqlite3BtreeGetMeta(Btree*, int idx, u32 *pValue);
void sqlite3BtreeGetMeta(Btree *pBtree, int idx, u32 *pValue);
int sqlite3BtreeUpdateMeta(Btree*, int idx, u32 value);
/*