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

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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12
manifest
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@ -1,5 +1,5 @@
C Make\sthe\sGROUP\sBY\sclause\swork\seven\sif\sthere\sare\sno\saggregate\sfunctions.\s(CVS\s859)
D 2003-02-02T12:41:26
C Make\sthe\sshell\srun\smuch\sfaster\sfor\sinputs\swhere\sa\ssingle\sSQL\sstatement\sspans\nthousands\sof\slines\sby\savoiding\sthe\scall\sto\ssqlite_complete()\sunless\sthe\ninput\sends\sin\sa\ssemicolon.\s(CVS\s860)
D 2003-02-05T14:06:20
F Makefile.in 6606854b1512f185b8e8c779b8d7fc2750463d64
F Makefile.linux-gcc b86a99c493a5bfb402d1d9178dcdc4bd4b32f906
F README f1de682fbbd94899d50aca13d387d1b3fd3be2dd
@ -39,7 +39,7 @@ F src/parse.y cdaed5009423d851708848bd279147c268e6022e
F src/printf.c f8fd911a8738f9b2eb07aca2870473d34707055d
F src/random.c 19e8e00fe0df32a742f115773f57651be327cabe
F src/select.c d12d4c12d6536deccdede90b482d24f0590f5dc8
F src/shell.c cbb29252f0bd7b144d1e3126e64e17e5a314f2fd
F src/shell.c 0d260a007e0668fc7dda2b0c89bd597ef2966ec6
F src/shell.tcl 27ecbd63dd88396ad16d81ab44f73e6c0ea9d20e
F src/sqlite.h.in 6f648803f2ffb9beb35cb1cfa42b323d55519171
F src/sqliteInt.h f22092ed33fea784f58bcd57b90c0babd16a0e29
@ -155,7 +155,7 @@ F www/speed.tcl 4d463e2aea41f688ed320a937f93ff885be918c3
F www/sqlite.tcl ae3dcfb077e53833b59d4fcc94d8a12c50a44098
F www/tclsqlite.tcl 1db15abeb446aad0caf0b95b8b9579720e4ea331
F www/vdbe.tcl 2013852c27a02a091d39a766bc87cff329f21218
P 65264780c553e8a00ec7a40cf76b89a11b245faf
R bcf5d563cdfd66ab83ddebe53976490d
P b68792315883eed8523f5e11856ec8378dc972c1
R 58fd040d5f3c326dafe0f8ea3c342f54
U drh
Z de0eb8741aaf06b1a17e5c2252ef5c5a
Z b59e898cbd5005ef4b11e662eace5dcc

2
manifest.uuid
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@ -1 +1 @@
b68792315883eed8523f5e11856ec8378dc972c1
e21afb82b53eade9ee267a97c58db0606f0c0a41

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 ){