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Improvements to error messages for errors in the dot-commands of the

Browse Source 
command-line shell.  Add the ".once" command.  The output of ".help"
now goes to the designated output channel.

FossilOrigin-Name: 48dce821a07ac29da6ce05e92cf3f6e52b6eb388
This commit is contained in:
drh
2014-05-29 12:36:14 +00:00
parent dcb3e3d62c
commit c2ce0bea88
6 changed files with 291 additions and 176 deletions
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337
src/shell.c
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@@ -446,8 +446,9 @@ struct previous_mode_data {
struct callback_data {
sqlite3 *db; /* The database */
int echoOn; /* True to echo input commands */
int autoEQP; /* Run EXPLAIN QUERY PLAN prior to seach SQL statement */
int autoEQP; /* Run EXPLAIN QUERY PLAN prior to seach SQL stmt */
int statsOn; /* True to display memory stats before each finalize */
int outCount; /* Revert to stdout when reaching zero */
int cnt; /* Number of records displayed so far */
FILE *out; /* Write results here */
FILE *traceOut; /* Output for sqlite3_trace() */
@@ -878,7 +879,8 @@ static int shell_callback(void *pArg, int nArg, char **azArg, char **azCol, int
}else if( aiType && aiType[i]==SQLITE_TEXT ){
if( zSep[0] ) fprintf(p->out,"%s",zSep);
output_quoted_string(p->out, azArg[i]);
}else if( aiType && (aiType[i]==SQLITE_INTEGER || aiType[i]==SQLITE_FLOAT) ){
}else if( aiType && (aiType[i]==SQLITE_INTEGER
|| aiType[i]==SQLITE_FLOAT) ){
fprintf(p->out,"%s%s",zSep, azArg[i]);
}else if( aiType && aiType[i]==SQLITE_BLOB && p->pStmt ){
const void *pBlob = sqlite3_column_blob(p->pStmt, i);
@@ -1570,17 +1572,17 @@ static int run_schema_dump_query(
*/
static char zHelp[] =
".backup ?DB? FILE Backup DB (default \"main\") to FILE\n"
".bail ON|OFF Stop after hitting an error. Default OFF\n"
".bail on|off Stop after hitting an error. Default OFF\n"
".clone NEWDB Clone data into NEWDB from the existing database\n"
".databases List names and files of attached databases\n"
".dump ?TABLE? ... Dump the database in an SQL text format\n"
" If TABLE specified, only dump tables matching\n"
" LIKE pattern TABLE.\n"
".echo ON|OFF Turn command echo on or off\n"
".echo on|off Turn command echo on or off\n"
".exit Exit this program\n"
".explain ?ON|OFF? Turn output mode suitable for EXPLAIN on or off.\n"
".explain ?on|off? Turn output mode suitable for EXPLAIN on or off.\n"
" With no args, it turns EXPLAIN on.\n"
".headers ON|OFF Turn display of headers on or off\n"
".headers on|off Turn display of headers on or off\n"
".help Show this message\n"
".import FILE TABLE Import data from FILE into TABLE\n"
".indices ?TABLE? Show names of all indices\n"
@@ -1603,9 +1605,9 @@ static char zHelp[] =
" tabs Tab-separated values\n"
" tcl TCL list elements\n"
".nullvalue STRING Use STRING in place of NULL values\n"
".once FILENAME Output for the next SQL command only to FILENAME\n"
".open ?FILENAME? Close existing database and reopen FILENAME\n"
".output FILENAME Send output to FILENAME\n"
".output stdout Send output to the screen\n"
".output ?FILENAME? Send output to FILENAME or stdout\n"
".print STRING... Print literal STRING\n"
".prompt MAIN CONTINUE Replace the standard prompts\n"
".quit Exit this program\n"
@@ -1618,22 +1620,19 @@ static char zHelp[] =
".separator STRING Change separator used by output mode and .import\n"
".shell CMD ARGS... Run CMD ARGS... in a system shell\n"
".show Show the current values for various settings\n"
".stats ON|OFF Turn stats on or off\n"
".stats on|off Turn stats on or off\n"
".system CMD ARGS... Run CMD ARGS... in a system shell\n"
".tables ?TABLE? List names of tables\n"
" If TABLE specified, only list tables matching\n"
" LIKE pattern TABLE.\n"
".timeout MS Try opening locked tables for MS milliseconds\n"
".timer on|off Turn SQL timer on or off\n"
".trace FILE|off Output each SQL statement as it is run\n"
".vfsname ?AUX? Print the name of the VFS stack\n"
".width NUM1 NUM2 ... Set column widths for \"column\" mode\n"
" Negative values right-justify\n"
;
static char zTimerHelp[] =
".timer ON|OFF Turn the CPU timer measurement on or off\n"
;
/* Forward reference */
static int process_input(struct callback_data *p, FILE *in);
@@ -1675,6 +1674,7 @@ static void open_db(struct callback_data *p, int keepAlive){
static void resolve_backslashes(char *z){
int i, j;
char c;
while( *z && *z!='\\' ) z++;
for(i=j=0; (c = z[i])!=0; i++, j++){
if( c=='\\' ){
c = z[++i];
@@ -1700,7 +1700,7 @@ static void resolve_backslashes(char *z){
}
z[j] = c;
}
z[j] = 0;
if( j<i ) z[j] = 0;
}
/*
@@ -2144,6 +2144,19 @@ static void tryToClone(struct callback_data *p, const char *zNewDb){
sqlite3_close(newDb);
}
/*
** Change the output file back to stdout
*/
static void output_reset(struct callback_data *p){
if( p->outfile[0]=='|' ){
pclose(p->out);
}else{
output_file_close(p->out);
}
p->outfile[0] = 0;
p->out = stdout;
}
/*
** If an input line begins with "." then invoke this routine to
** process that line.
@@ -2242,8 +2255,13 @@ static int do_meta_command(char *zLine, struct callback_data *p){
sqlite3_close(pDest);
}else
if( c=='b' && n>=3 && strncmp(azArg[0], "bail", n)==0 && nArg>1 && nArg<3 ){
bail_on_error = booleanValue(azArg[1]);
if( c=='b' && n>=3 && strncmp(azArg[0], "bail", n)==0 ){
if( nArg==2 ){
bail_on_error = booleanValue(azArg[1]);
}else{
fprintf(stderr, "Usage: .bail on|off\n");
rc = 1;
}
}else
/* The undocumented ".breakpoint" command causes a call to the no-op
@@ -2253,11 +2271,16 @@ static int do_meta_command(char *zLine, struct callback_data *p){
test_breakpoint();
}else
if( c=='c' && strncmp(azArg[0], "clone", n)==0 && nArg>1 && nArg<3 ){
tryToClone(p, azArg[1]);
if( c=='c' && strncmp(azArg[0], "clone", n)==0 ){
if( nArg==2 ){
tryToClone(p, azArg[1]);
}else{
fprintf(stderr, "Usage: .clone FILENAME\n");
rc = 1;
}
}else
if( c=='d' && n>1 && strncmp(azArg[0], "databases", n)==0 && nArg==1 ){
if( c=='d' && n>1 && strncmp(azArg[0], "databases", n)==0 ){
struct callback_data data;
char *zErrMsg = 0;
open_db(p, 0);
@@ -2276,11 +2299,16 @@ static int do_meta_command(char *zLine, struct callback_data *p){
}
}else
if( c=='d' && strncmp(azArg[0], "dump", n)==0 && nArg<3 ){
if( c=='d' && strncmp(azArg[0], "dump", n)==0 ){
open_db(p, 0);
/* When playing back a "dump", the content might appear in an order
** which causes immediate foreign key constraints to be violated.
** So disable foreign-key constraint enforcement to prevent problems. */
if( nArg!=1 && nArg!=2 ){
fprintf(stderr, "Usage: .dump ?LIKE-PATTERN?\n");
rc = 1;
goto meta_command_exit;
}
fprintf(p->out, "PRAGMA foreign_keys=OFF;\n");
fprintf(p->out, "BEGIN TRANSACTION;\n");
p->writableSchema = 0;
@@ -2325,12 +2353,22 @@ static int do_meta_command(char *zLine, struct callback_data *p){
fprintf(p->out, p->nErr ? "ROLLBACK; -- due to errors\n" : "COMMIT;\n");
}else
if( c=='e' && strncmp(azArg[0], "echo", n)==0 && nArg>1 && nArg<3 ){
p->echoOn = booleanValue(azArg[1]);
if( c=='e' && strncmp(azArg[0], "echo", n)==0 ){
if( nArg==2 ){
p->echoOn = booleanValue(azArg[1]);
}else{
fprintf(stderr, "Usage: .echo on|off\n");
rc = 1;
}
}else
if( c=='e' && strncmp(azArg[0], "eqp", n)==0 && nArg>1 && nArg<3 ){
p->autoEQP = booleanValue(azArg[1]);
if( c=='e' && strncmp(azArg[0], "eqp", n)==0 ){
if( nArg==2 ){
p->autoEQP = booleanValue(azArg[1]);
}else{
fprintf(stderr, "Usage: .eqp on|off\n");
rc = 1;
}
}else
if( c=='e' && strncmp(azArg[0], "exit", n)==0 ){
@@ -2338,7 +2376,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
rc = 2;
}else
if( c=='e' && strncmp(azArg[0], "explain", n)==0 && nArg<3 ){
if( c=='e' && strncmp(azArg[0], "explain", n)==0 ){
int val = nArg>=2 ? booleanValue(azArg[1]) : 1;
if(val == 1) {
if(!p->explainPrev.valid) {
@@ -2373,19 +2411,20 @@ static int do_meta_command(char *zLine, struct callback_data *p){
}
}else
if( c=='h' && (strncmp(azArg[0], "header", n)==0 ||
strncmp(azArg[0], "headers", n)==0) && nArg>1 && nArg<3 ){
p->showHeader = booleanValue(azArg[1]);
}else
if( c=='h' && strncmp(azArg[0], "help", n)==0 ){
fprintf(stderr,"%s",zHelp);
if( HAS_TIMER ){
fprintf(stderr,"%s",zTimerHelp);
if( c=='h' && strncmp(azArg[0], "headers", n)==0 ){
if( nArg==2 ){
p->showHeader = booleanValue(azArg[1]);
}else{
fprintf(stderr, "Usage: .headers on|off\n");
rc = 1;
}
}else
if( c=='i' && strncmp(azArg[0], "import", n)==0 && nArg==3 ){
if( c=='h' && strncmp(azArg[0], "help", n)==0 ){
fprintf(p->out, "%s", zHelp);
}else
if( c=='i' && strncmp(azArg[0], "import", n)==0 ){
char *zTable = azArg[2]; /* Insert data into this table */
char *zFile = azArg[1]; /* Name of file to extra content from */
sqlite3_stmt *pStmt = NULL; /* A statement */
@@ -2398,6 +2437,10 @@ static int do_meta_command(char *zLine, struct callback_data *p){
CSVReader sCsv; /* Reader context */
int (*xCloser)(FILE*); /* Procedure to close th3 connection */
if( nArg!=3 ){
fprintf(stderr, "Usage: .import FILE TABLE\n");
goto meta_command_exit;
}
seenInterrupt = 0;
memset(&sCsv, 0, sizeof(sCsv));
open_db(p, 0);
@@ -2536,7 +2579,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
if( needCommit ) sqlite3_exec(db, "COMMIT", 0, 0, 0);
}else
if( c=='i' && strncmp(azArg[0], "indices", n)==0 && nArg<3 ){
if( c=='i' && strncmp(azArg[0], "indices", n)==0 ){
struct callback_data data;
char *zErrMsg = 0;
open_db(p, 0);
@@ -2553,7 +2596,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
"ORDER BY 1",
callback, &data, &zErrMsg
);
}else{
}else if( nArg==2 ){
zShellStatic = azArg[1];
rc = sqlite3_exec(p->db,
"SELECT name FROM sqlite_master "
@@ -2565,6 +2608,10 @@ static int do_meta_command(char *zLine, struct callback_data *p){
callback, &data, &zErrMsg
);
zShellStatic = 0;
}else{
fprintf(stderr, "Usage: .indices ?LIKE-PATTERN?\n");
rc = 1;
goto meta_command_exit;
}
if( zErrMsg ){
fprintf(stderr,"Error: %s\n", zErrMsg);
@@ -2600,9 +2647,14 @@ static int do_meta_command(char *zLine, struct callback_data *p){
#endif
#ifndef SQLITE_OMIT_LOAD_EXTENSION
if( c=='l' && strncmp(azArg[0], "load", n)==0 && nArg>=2 ){
if( c=='l' && strncmp(azArg[0], "load", n)==0 ){
const char *zFile, *zProc;
char *zErrMsg = 0;
if( nArg<2 ){
fprintf(stderr, "Usage: .load FILE ?ENTRYPOINT?\n");
rc = 1;
goto meta_command_exit;
}
zFile = azArg[1];
zProc = nArg>=3 ? azArg[2] : 0;
open_db(p, 0);
@@ -2615,38 +2667,41 @@ static int do_meta_command(char *zLine, struct callback_data *p){
}else
#endif
if( c=='l' && strncmp(azArg[0], "log", n)==0 && nArg>=2 ){
const char *zFile = azArg[1];
output_file_close(p->pLog);
p->pLog = output_file_open(zFile);
if( c=='l' && strncmp(azArg[0], "log", n)==0 ){
if( nArg!=2 ){
fprintf(stderr, "Usage: .log FILENAME\n");
rc = 1;
}else{
const char *zFile = azArg[1];
output_file_close(p->pLog);
p->pLog = output_file_open(zFile);
}
}else
if( c=='m' && strncmp(azArg[0], "mode", n)==0 && nArg==2 ){
int n2 = strlen30(azArg[1]);
if( (n2==4 && strncmp(azArg[1],"line",n2)==0)
||
(n2==5 && strncmp(azArg[1],"lines",n2)==0) ){
if( c=='m' && strncmp(azArg[0], "mode", n)==0 ){
const char *zMode = nArg>=2 ? azArg[1] : "";
int n2 = (int)strlen(zMode);
int c2 = zMode[0];
if( c2=='l' && n2>2 && strncmp(azArg[1],"lines",n2)==0 ){
p->mode = MODE_Line;
}else if( (n2==6 && strncmp(azArg[1],"column",n2)==0)
||
(n2==7 && strncmp(azArg[1],"columns",n2)==0) ){
}else if( c2=='c' && strncmp(azArg[1],"columns",n2)==0 ){
p->mode = MODE_Column;
}else if( n2==4 && strncmp(azArg[1],"list",n2)==0 ){
}else if( c2=='l' && n2>2 && strncmp(azArg[1],"list",n2)==0 ){
p->mode = MODE_List;
}else if( n2==4 && strncmp(azArg[1],"html",n2)==0 ){
}else if( c2=='h' && strncmp(azArg[1],"html",n2)==0 ){
p->mode = MODE_Html;
}else if( n2==3 && strncmp(azArg[1],"tcl",n2)==0 ){
}else if( c2=='t' && strncmp(azArg[1],"tcl",n2)==0 ){
p->mode = MODE_Tcl;
sqlite3_snprintf(sizeof(p->separator), p->separator, " ");
}else if( n2==3 && strncmp(azArg[1],"csv",n2)==0 ){
}else if( c2=='c' && strncmp(azArg[1],"csv",n2)==0 ){
p->mode = MODE_Csv;
sqlite3_snprintf(sizeof(p->separator), p->separator, ",");
}else if( n2==4 && strncmp(azArg[1],"tabs",n2)==0 ){
}else if( c2=='t' && strncmp(azArg[1],"tabs",n2)==0 ){
p->mode = MODE_List;
sqlite3_snprintf(sizeof(p->separator), p->separator, "\t");
}else if( n2==6 && strncmp(azArg[1],"insert",n2)==0 ){
}else if( c2=='i' && strncmp(azArg[1],"insert",n2)==0 ){
p->mode = MODE_Insert;
set_table_name(p, "table");
set_table_name(p, nArg>=3 ? azArg[2] : "table");
}else {
fprintf(stderr,"Error: mode should be one of: "
"column csv html insert line list tabs tcl\n");
@@ -2654,23 +2709,16 @@ static int do_meta_command(char *zLine, struct callback_data *p){
}
}else
if( c=='m' && strncmp(azArg[0], "mode", n)==0 && nArg==3 ){
int n2 = strlen30(azArg[1]);
if( n2==6 && strncmp(azArg[1],"insert",n2)==0 ){
p->mode = MODE_Insert;
set_table_name(p, azArg[2]);
}else {
fprintf(stderr, "Error: invalid arguments: "
" \"%s\". Enter \".help\" for help\n", azArg[2]);
if( c=='n' && strncmp(azArg[0], "nullvalue", n)==0 ){
if( nArg==2 ){
sqlite3_snprintf(sizeof(p->nullvalue), p->nullvalue,
"%.*s", (int)ArraySize(p->nullvalue)-1, azArg[1]);
}else{
fprintf(stderr, "Usage: .nullvalue STRING\n");
rc = 1;
}
}else
if( c=='n' && strncmp(azArg[0], "nullvalue", n)==0 && nArg==2 ) {
sqlite3_snprintf(sizeof(p->nullvalue), p->nullvalue,
"%.*s", (int)ArraySize(p->nullvalue)-1, azArg[1]);
}else
if( c=='o' && strncmp(azArg[0], "open", n)==0 && n>=2 ){
sqlite3 *savedDb = p->db;
const char *zSavedFilename = p->zDbFilename;
@@ -2691,32 +2739,45 @@ static int do_meta_command(char *zLine, struct callback_data *p){
}
}else
if( c=='o' && strncmp(azArg[0], "output", n)==0 && nArg==2 ){
if( p->outfile[0]=='|' ){
pclose(p->out);
}else{
output_file_close(p->out);
if( c=='o'
&& (strncmp(azArg[0], "output", n)==0 || strncmp(azArg[0], "once", n)==0)
){
const char *zFile = nArg>=2 ? azArg[1] : "stdout";
if( nArg>2 ){
fprintf(stderr, "Usage: .%s FILE\n", azArg[0]);
rc = 1;
goto meta_command_exit;
}
p->outfile[0] = 0;
if( azArg[1][0]=='|' ){
p->out = popen(&azArg[1][1], "w");
if( n>1 && strncmp(azArg[0], "once", n)==0 ){
if( nArg<2 ){
fprintf(stderr, "Usage: .once FILE\n");
rc = 1;
goto meta_command_exit;
}
p->outCount = 2;
}else{
p->outCount = 0;
}
output_reset(p);
if( zFile[0]=='|' ){
p->out = popen(zFile + 1, "w");
if( p->out==0 ){
fprintf(stderr,"Error: cannot open pipe \"%s\"\n", &azArg[1][1]);
fprintf(stderr,"Error: cannot open pipe \"%s\"\n", zFile + 1);
p->out = stdout;
rc = 1;
}else{
sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", azArg[1]);
sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", zFile);
}
}else{
p->out = output_file_open(azArg[1]);
p->out = output_file_open(zFile);
if( p->out==0 ){
if( strcmp(azArg[1],"off")!=0 ){
fprintf(stderr,"Error: cannot write to \"%s\"\n", azArg[1]);
if( strcmp(zFile,"off")!=0 ){
fprintf(stderr,"Error: cannot write to \"%s\"\n", zFile);
}
p->out = stdout;
rc = 1;
} else {
sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", azArg[1]);
sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", zFile);
}
}
}else
@@ -2730,7 +2791,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
fprintf(p->out, "\n");
}else
if( c=='p' && strncmp(azArg[0], "prompt", n)==0 && (nArg==2 || nArg==3)){
if( c=='p' && strncmp(azArg[0], "prompt", n)==0 ){
if( nArg >= 2) {
strncpy(mainPrompt,azArg[1],(int)ArraySize(mainPrompt)-1);
}
@@ -2739,12 +2800,18 @@ static int do_meta_command(char *zLine, struct callback_data *p){
}
}else
if( c=='q' && strncmp(azArg[0], "quit", n)==0 && nArg==1 ){
if( c=='q' && strncmp(azArg[0], "quit", n)==0 ){
rc = 2;
}else
if( c=='r' && n>=3 && strncmp(azArg[0], "read", n)==0 && nArg==2 ){
FILE *alt = fopen(azArg[1], "rb");
if( c=='r' && n>=3 && strncmp(azArg[0], "read", n)==0 ){
FILE *alt;
if( nArg!=2 ){
fprintf(stderr, "Usage: .read FILE\n");
rc = 1;
goto meta_command_exit;
}
alt = fopen(azArg[1], "rb");
if( alt==0 ){
fprintf(stderr,"Error: cannot open \"%s\"\n", azArg[1]);
rc = 1;
@@ -2754,7 +2821,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
}
}else
if( c=='r' && n>=3 && strncmp(azArg[0], "restore", n)==0 && nArg>1 && nArg<4){
if( c=='r' && n>=3 && strncmp(azArg[0], "restore", n)==0 ){
const char *zSrcFile;
const char *zDb;
sqlite3 *pSrc;
@@ -2764,9 +2831,13 @@ static int do_meta_command(char *zLine, struct callback_data *p){
if( nArg==2 ){
zSrcFile = azArg[1];
zDb = "main";
}else{
}else if( nArg==3 ){
zSrcFile = azArg[2];
zDb = azArg[1];
}else{
fprintf(stderr, "Usage: .restore ?DB? FILE\n");
rc = 1;
goto meta_command_exit;
}
rc = sqlite3_open(zSrcFile, &pSrc);
if( rc!=SQLITE_OK ){
@@ -2801,14 +2872,14 @@ static int do_meta_command(char *zLine, struct callback_data *p){
sqlite3_close(pSrc);
}else
if( c=='s' && strncmp(azArg[0], "schema", n)==0 && nArg<3 ){
if( c=='s' && strncmp(azArg[0], "schema", n)==0 ){
struct callback_data data;
char *zErrMsg = 0;
open_db(p, 0);
memcpy(&data, p, sizeof(data));
data.showHeader = 0;
data.mode = MODE_Semi;
if( nArg>1 ){
if( nArg==2 ){
int i;
for(i=0; azArg[1][i]; i++) azArg[1][i] = ToLower(azArg[1][i]);
if( strcmp(azArg[1],"sqlite_master")==0 ){
@@ -2852,7 +2923,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
callback, &data, &zErrMsg);
zShellStatic = 0;
}
}else{
}else if( nArg==1 ){
rc = sqlite3_exec(p->db,
"SELECT sql FROM "
" (SELECT sql sql, type type, tbl_name tbl_name, name name, rowid x"
@@ -2862,6 +2933,10 @@ static int do_meta_command(char *zLine, struct callback_data *p){
"ORDER BY rowid",
callback, &data, &zErrMsg
);
}else{
fprintf(stderr, "Usage: .schema ?LIKE-PATTERN?\n");
rc = 1;
goto meta_command_exit;
}
if( zErrMsg ){
fprintf(stderr,"Error: %s\n", zErrMsg);
@@ -2891,24 +2966,33 @@ static int do_meta_command(char *zLine, struct callback_data *p){
for(i=1; i<nArg; i++){
char zBuf[200];
v = integerValue(azArg[i]);
sqlite3_snprintf(sizeof(zBuf), zBuf, "%s: %lld 0x%llx\n", azArg[i], v, v);
sqlite3_snprintf(sizeof(zBuf),zBuf,"%s: %lld 0x%llx\n", azArg[i],v,v);
fprintf(p->out, "%s", zBuf);
}
}
}else
#endif
if( c=='s' && strncmp(azArg[0], "separator", n)==0 && nArg==2 ){
sqlite3_snprintf(sizeof(p->separator), p->separator,
"%.*s", (int)sizeof(p->separator)-1, azArg[1]);
if( c=='s' && strncmp(azArg[0], "separator", n)==0 ){
if( nArg==2 ){
sqlite3_snprintf(sizeof(p->separator), p->separator,
"%.*s", (int)sizeof(p->separator)-1, azArg[1]);
}else{
fprintf(stderr, "Usage: .separator STRING\n");
rc = 1;
}
}else
if( c=='s'
&& (strncmp(azArg[0], "shell", n)==0 || strncmp(azArg[0],"system",n)==0)
&& nArg>=2
){
char *zCmd;
int i;
if( nArg<2 ){
fprintf(stderr, "Usage: .system COMMAND\n");
rc = 1;
goto meta_command_exit;
}
zCmd = sqlite3_mprintf(strchr(azArg[1],' ')==0?"%s":"\"%s\"", azArg[1]);
for(i=2; i<nArg; i++){
zCmd = sqlite3_mprintf(strchr(azArg[i],' ')==0?"%z %s":"%z \"%s\"",
@@ -2918,8 +3002,13 @@ static int do_meta_command(char *zLine, struct callback_data *p){
sqlite3_free(zCmd);
}else
if( c=='s' && strncmp(azArg[0], "show", n)==0 && nArg==1 ){
if( c=='s' && strncmp(azArg[0], "show", n)==0 ){
int i;
if( nArg!=1 ){
fprintf(stderr, "Usage: .show\n");
rc = 1;
goto meta_command_exit;
}
fprintf(p->out,"%9.9s: %s\n","echo", p->echoOn ? "on" : "off");
fprintf(p->out,"%9.9s: %s\n","eqp", p->autoEQP ? "on" : "off");
fprintf(p->out,"%9.9s: %s\n","explain", p->explainPrev.valid ? "on" :"off");
@@ -2941,11 +3030,16 @@ static int do_meta_command(char *zLine, struct callback_data *p){
fprintf(p->out,"\n");
}else
if( c=='s' && strncmp(azArg[0], "stats", n)==0 && nArg>1 && nArg<3 ){
p->statsOn = booleanValue(azArg[1]);
if( c=='s' && strncmp(azArg[0], "stats", n)==0 ){
if( nArg==2 ){
p->statsOn = booleanValue(azArg[1]);
}else{
fprintf(stderr, "Usage: .stats on|off\n");
rc = 1;
}
}else
if( c=='t' && n>1 && strncmp(azArg[0], "tables", n)==0 && nArg<3 ){
if( c=='t' && n>1 && strncmp(azArg[0], "tables", n)==0 ){
sqlite3_stmt *pStmt;
char **azResult;
int nRow, nAlloc;
@@ -3151,20 +3245,32 @@ static int do_meta_command(char *zLine, struct callback_data *p){
}
}else
if( c=='t' && n>4 && strncmp(azArg[0], "timeout", n)==0 && nArg==2 ){
if( c=='t' && n>4 && strncmp(azArg[0], "timeout", n)==0 ){
open_db(p, 0);
sqlite3_busy_timeout(p->db, (int)integerValue(azArg[1]));
sqlite3_busy_timeout(p->db, nArg>=2 ? (int)integerValue(azArg[1]) : 0);
}else
if( HAS_TIMER && c=='t' && n>=5 && strncmp(azArg[0], "timer", n)==0
&& nArg==2
){
enableTimer = booleanValue(azArg[1]);
if( c=='t' && n>=5 && strncmp(azArg[0], "timer", n)==0 ){
if( nArg==2 ){
enableTimer = booleanValue(azArg[1]);
if( enableTimer && !HAS_TIMER ){
fprintf(stderr, "Error: timer not available on this system.\n");
enableTimer = 0;
}
}else{
fprintf(stderr, "Usage: .timer on|off\n");
rc = 1;
}
}else
if( c=='t' && strncmp(azArg[0], "trace", n)==0 && nArg>1 ){
if( c=='t' && strncmp(azArg[0], "trace", n)==0 ){
open_db(p, 0);
output_file_close(p->traceOut);
if( nArg!=2 ){
fprintf(stderr, "Usage: .trace FILE|off\n");
rc = 1;
goto meta_command_exit;
}
p->traceOut = output_file_open(azArg[1]);
#if !defined(SQLITE_OMIT_TRACE) && !defined(SQLITE_OMIT_FLOATING_POINT)
if( p->traceOut==0 ){
@@ -3195,11 +3301,11 @@ static int do_meta_command(char *zLine, struct callback_data *p){
#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_WHERETRACE)
if( c=='w' && strncmp(azArg[0], "wheretrace", n)==0 ){
extern int sqlite3WhereTrace;
sqlite3WhereTrace = booleanValue(azArg[1]);
sqlite3WhereTrace = nArg>=2 ? booleanValue(azArg[1]) : 0xff;
}else
#endif
if( c=='w' && strncmp(azArg[0], "width", n)==0 && nArg>1 ){
if( c=='w' && strncmp(azArg[0], "width", n)==0 ){
int j;
assert( nArg<=ArraySize(azArg) );
for(j=1; j<nArg && j<ArraySize(p->colWidth); j++){
@@ -3213,6 +3319,11 @@ static int do_meta_command(char *zLine, struct callback_data *p){
rc = 1;
}
meta_command_exit:
if( p->outCount ){
p->outCount--;
if( p->outCount==0 ) output_reset(p);
}
return rc;
}
@@ -3380,6 +3491,10 @@ static int process_input(struct callback_data *p, FILE *in){
errCnt++;
}
nSql = 0;
if( p->outCount ){
output_reset(p);
p->outCount = 0;
}
}else if( nSql && _all_whitespace(zSql) ){
if( p->echoOn ) printf("%s\n", zSql);
nSql = 0;