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The optimizer recognizes MATCH operators and allows virtual-tables to make

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use of them. (CVS 3232)

FossilOrigin-Name: 136bed496b89943522310ec511199b78198d0844
This commit is contained in:
drh
2006-06-13 17:38:59 +00:00
parent 03bea70cd8
commit 7f3759015a
5 changed files with 157 additions and 18 deletions
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16
src/func.c
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@@ -16,7 +16,7 @@
** sqliteRegisterBuildinFunctions() found at the bottom of the file.
** All other code has file scope.
**
** $Id: func.c,v 1.128 2006/05/11 13:25:39 drh Exp $
** $Id: func.c,v 1.129 2006/06/13 17:39:00 drh Exp $
*/
#include "sqliteInt.h"
#include <ctype.h>
@@ -548,6 +548,19 @@ static void versionFunc(
sqlite3_result_text(context, sqlite3_version, -1, SQLITE_STATIC);
}
/*
** The MATCH() function is unimplemented. If anybody tries to use it,
** return an error.
*/
static void matchStub(
sqlite3_context *context,
int argc,
sqlite3_value **argv
){
static const char zErr[] = "MATCH is not implemented";
sqlite3_result_error(context, zErr, sizeof(zErr)-1);
}
/*
** EXPERIMENTAL - This is not an official function. The interface may
@@ -1003,6 +1016,7 @@ void sqlite3RegisterBuiltinFunctions(sqlite3 *db){
{ "last_insert_rowid", 0, 1, SQLITE_UTF8, 0, last_insert_rowid },
{ "changes", 0, 1, SQLITE_UTF8, 0, changes },
{ "total_changes", 0, 1, SQLITE_UTF8, 0, total_changes },
{ "match", 2, 0, SQLITE_UTF8, 0, matchStub },
#ifdef SQLITE_SOUNDEX
{ "soundex", 1, 0, SQLITE_UTF8, 0, soundexFunc},
#endif