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:-) (CVS 66)

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FossilOrigin-Name: 5d2e72e4bd5e218133190b8b1ebe52f48e2d7140
This commit is contained in:
drh
2000-06-07 01:27:47 +00:00
parent 596925440c
commit 4c653a0f78
5 changed files with 116 additions and 26 deletions
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73
src/shell.c
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@@ -24,7 +24,7 @@
** This file contains code to implement the "sqlite" command line
** utility for accessing SQLite databases.
**
** $Id: shell.c,v 1.9 2000/06/07 00:12:25 drh Exp $
** $Id: shell.c,v 1.10 2000/06/07 01:27:48 drh Exp $
*/
#include <stdlib.h>
#include <string.h>
@@ -122,10 +122,12 @@ static char *one_input_line(const char *zPrior, int isatty){
** state and mode information.
*/
struct callback_data {
sqlite *db; /* The database */
int cnt; /* Number of records displayed so far */
FILE *out; /* Write results here */
int mode; /* An output mode setting */
int showHeader; /* True to show column names in List or Column mode */
int escape; /* Escape this character when in MODE_List */
char separator[20];/* Separator character for MODE_List */
int colWidth[30]; /* Width of each column when in column mode */
};
@@ -200,8 +202,20 @@ static int callback(void *pArg, int nArg, char **azArg, char **azCol){
}
}
for(i=0; i<nArg; i++){
fprintf(p->out,"%s%s",azArg[i] ? azArg[i] : "",
i==nArg-1 ? "\n" : p->separator);
char *z = azArg[i];
if( z==0 ) z = "";
while( *z ){
int j;
for(j=0; z[j] && z[j]!=p->escape && z[j]!='\\'; j++){}
if( j>0 ){
fprintf(p->out, "%.*s", j, z);
}
if( z[j] ){
fprintf(p->out, "\\%c", z[j]);
z = &z[j+1];
}
}
fprintf(p->out, "%s", i==nArg-1 ? "\n" : p->separator);
}
break;
}
@@ -226,10 +240,36 @@ static int callback(void *pArg, int nArg, char **azArg, char **azCol){
return 0;
}
/*
** This is a different callback routine used for dumping the database.
** Each row received by this callback consists of a table name,
** the table type ("index" or "table") and SQL to create the table.
** This routine should print text sufficient to recreate the table.
*/
static int dump_callback(void *pArg, int nArg, char **azArg, char **azCol){
struct callback_data *pData = (struct callback_data *)pArg;
if( nArg!=3 ) return 1;
fprintf(pData->out, "%s;\n", azArg[2]);
if( strcmp(azArg[1],"table")==0 ){
struct callback_data d2;
char zSql[1000];
d2 = *pData;
d2.mode = MODE_List;
strcpy(d2.separator,"\t");
fprintf(pData->out, "COPY '%s' FROM STDIN;\n", azArg[0]);
sprintf(zSql, "SELECT * FROM '%s'", azArg[0]);
sqlite_exec(pData->db, zSql, callback, &d2, 0);
fprintf(pData->out, "\\.\n");
}
fprintf(pData->out, "VACUUM '%s';\n", azArg[2]);
return 0;
}
/*
** Text of a help message
*/
static char zHelp[] =
".dump ?TABLE? ... Dump the database in an text format\n"
".exit Exit this program\n"
".explain Set output mode suitable for EXPLAIN\n"
".header ON|OFF Turn display of headers on or off\n"
@@ -278,6 +318,29 @@ static void do_meta_command(char *zLine, sqlite *db, struct callback_data *p){
if( nArg==0 ) return;
n = strlen(azArg[0]);
c = azArg[0][0];
if( c=='d' && strncmp(azArg[0], "dump", n)==0 ){
char *zErrMsg = 0;
char zSql[1000];
if( nArg==1 ){
sprintf(zSql, "SELECT name, type, sql FROM sqlite_master "
"ORDER BY tbl_name, type DESC, name");
sqlite_exec(db, zSql, dump_callback, p, &zErrMsg);
}else{
int i;
for(i=1; i<nArg && zErrMsg==0; i++){
sprintf(zSql, "SELECT name, type, sql FROM sqlite_master "
"WHERE tbl_name LIKE '%.800s'"
"ORDER BY type DESC, name", azArg[i]);
sqlite_exec(db, zSql, dump_callback, p, &zErrMsg);
}
}
if( zErrMsg ){
fprintf(stderr,"Error: %s\n", zErrMsg);
free(zErrMsg);
}
}else
if( c=='e' && strncmp(azArg[0], "exit", n)==0 ){
exit(0);
@@ -320,7 +383,7 @@ static void do_meta_command(char *zLine, sqlite *db, struct callback_data *p){
data.showHeader = 0;
data.mode = MODE_List;
sprintf(zSql, "SELECT name FROM sqlite_master "
"WHERE type='index' AND tbl_name LIKE '%.00s' "
"WHERE type='index' AND tbl_name LIKE '%.800s' "
"ORDER BY name", azArg[1]);
sqlite_exec(db, zSql, callback, &data, &zErrMsg);
if( zErrMsg ){
@@ -456,7 +519,7 @@ int main(int argc, char **argv){
fprintf(stderr,"Usage: %s ?OPTIONS? FILENAME ?SQL?\n", argv0);
exit(1);
}
db = sqlite_open(argv[1], 0666, &zErrMsg);
data.db = db = sqlite_open(argv[1], 0666, &zErrMsg);
if( db==0 ){
if( zErrMsg ){
fprintf(stderr,"Unable to open database \"%s\": %s\n", argv[1], zErrMsg);