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Make the shell run much faster for inputs where a single SQL statement spans

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thousands of lines by avoiding the call to sqlite_complete() unless the
input ends in a semicolon. (CVS 860)

FossilOrigin-Name: e21afb82b53eade9ee267a97c58db0606f0c0a41
This commit is contained in:
drh
2003-02-05 14:06:20 +00:00
parent bb999ef6fa
commit 324ccefeb5
3 changed files with 18 additions and 9 deletions
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13
src/shell.c
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@@ -12,7 +12,7 @@
** This file contains code to implement the "sqlite" command line
** utility for accessing SQLite databases.
**
** $Id: shell.c,v 1.65 2003/01/18 17:05:01 drh Exp $
** $Id: shell.c,v 1.66 2003/02/05 14:06:20 drh Exp $
*/
#include <stdlib.h>
#include <string.h>
@@ -926,6 +926,15 @@ static char *skip_whitespace(char *z){
return z;
}
/*
** Return TRUE if the last non-whitespace character in z[] is a semicolon.
** z[] is N characters long.
*/
static int _ends_with_semicolon(const char *z, int N){
while( N>0 && isspace(z[N-1]) ){ N--; }
return N>0 && z[N-1]==';';
}
/*
** Read input from *in and process it. If *in==0 then input
** is interactive - the user is typing it it. Otherwise, input
@@ -971,7 +980,7 @@ static void process_input(struct callback_data *p, FILE *in){
nSql += len;
}
free(zLine);
if( zSql && sqlite_complete(zSql) ){
if( zSql && _ends_with_semicolon(zSql, nSql) && sqlite_complete(zSql) ){
p->cnt = 0;
rc = sqlite_exec(db, zSql, callback, p, &zErrMsg);
if( rc || zErrMsg ){