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Added the last_insert_rowid API function. Improved documentation of

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the random ROWID algorithm. (CVS 349)

FossilOrigin-Name: f74d61aaf3fec06cde2c4a6f1465f86ac9058ad2
This commit is contained in:
drh
2002-01-16 21:00:27 +00:00
parent a297b5c3cf
commit af9ff33ac1
16 changed files with 154 additions and 39 deletions
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13
src/sqlite.h.in
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@@ -12,7 +12,7 @@
** This header file defines the interface that the SQLite library
** presents to client programs.
**
** @(#) $Id: sqlite.h.in,v 1.24 2001/12/22 14:49:25 drh Exp $
** @(#) $Id: sqlite.h.in,v 1.25 2002/01/16 21:00:27 drh Exp $
*/
#ifndef _SQLITE_H_
#define _SQLITE_H_
@@ -162,6 +162,17 @@ int sqlite_exec(
#define SQLITE_CONSTRAINT 19 /* Abort due to contraint violation */
#define SQLITE_MISMATCH 20 /* Data type mismatch */
/*
** Each entry in an SQLite table has a unique integer key. (The key is
** the value of the INTEGER PRIMARY KEY column if there is such a column,
** otherwise the key is generated at random. The unique key is always
** available as the ROWID, OID, or _ROWID_ column.) The following routine
** returns the integer key of the most recent insert in the database.
**
** This function is similar to the mysql_insert_id() function from MySQL.
*/
int sqlite_last_insert_rowid(sqlite*);
/* If the parameter to this routine is one of the return value constants
** defined above, then this routine returns a constant text string which
** descripts (in English) the meaning of the return value.