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Create separate affinities for INTEGER and REAL. (CVS 2766)

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FossilOrigin-Name: ce06c123d0c5663dbaf263c2e0aaf5d9cdeb2ccd
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drh
2005-11-14 22:29:05 +00:00
parent a8f1914b72
commit 8a51256c0c
29 changed files with 318 additions and 248 deletions
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25
src/sqliteInt.h
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@@ -11,7 +11,7 @@
*************************************************************************
** Internal interface definitions for SQLite.
**
** @(#) $Id: sqliteInt.h,v 1.427 2005/11/03 02:15:03 drh Exp $
** @(#) $Id: sqliteInt.h,v 1.428 2005/11/14 22:29:05 drh Exp $
*/
#ifndef _SQLITEINT_H_
#define _SQLITEINT_H_
@@ -585,12 +585,25 @@ struct CollSeq {
/*
** Column affinity types.
**
** These used to have mnemonic name like 'i' for SQLITE_AFF_INTEGER and
** 't' for SQLITE_AFF_TEXT. But we can save a little space and improve
** the speed a little by number the values consecutively.
**
** But rather than start with 0 or 1, we begin with 'a'. That way,
** when multiple affinity types are concatenated into a string and
** used as the P3 operand, they will be more readable.
**
** Note also that the numeric types are grouped together so that testing
** for a numeric type is a single comparison.
*/
#define SQLITE_AFF_NUMERIC 'n'
#define SQLITE_AFF_INTEGER 'i' /* Used for CAST operators only */
#define SQLITE_AFF_TEXT 't'
#define SQLITE_AFF_NONE 'o'
#define SQLITE_AFF_TEXT 'a'
#define SQLITE_AFF_NONE 'b'
#define SQLITE_AFF_NUMERIC 'c'
#define SQLITE_AFF_INTEGER 'd'
#define SQLITE_AFF_REAL 'e'
#define sqlite3IsNumericAffinity(X) ((X)>=SQLITE_AFF_NUMERIC)
/*
** Each SQL table is represented in memory by an instance of the
@@ -1653,7 +1666,7 @@ void sqlite3AlterFinishAddColumn(Parse *, Token *);
void sqlite3AlterBeginAddColumn(Parse *, SrcList *);
const char *sqlite3TestErrorName(int);
CollSeq *sqlite3GetCollSeq(sqlite3*, CollSeq *, const char *, int);
char sqlite3AffinityType(const Token*, int);
char sqlite3AffinityType(const Token*);
void sqlite3Analyze(Parse*, Token*, Token*);
int sqlite3InvokeBusyHandler(BusyHandler*);
int sqlite3FindDb(sqlite3*, Token*);