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In the command-line shell: importments to the "help" message and better

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error checking in the new .import command. (CVS 1877)

FossilOrigin-Name: ed489f776aed2de2f16e5c4b93ec6bc872118fb2
This commit is contained in:
drh
2004-08-04 15:16:55 +00:00
parent a9600bc692
commit b860bc97d5
3 changed files with 35 additions and 21 deletions
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42
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 1.108 2004/08/01 00:10:45 drh Exp $
** $Id: shell.c,v 1.109 2004/08/04 15:16:55 drh Exp $
*/
#include <stdlib.h>
#include <string.h>
@@ -643,18 +643,24 @@ static int dump_callback(void *pArg, int nArg, char **azArg, char **azCol){
*/
static char zHelp[] =
".databases List names and files of attached databases\n"
".dump ?TABLE? ... Dump the database in a text format\n"
".dump ?TABLE? ... Dump the database in an SQL text format\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"
".header(s) ON|OFF Turn display of headers on or off\n"
".help Show this message\n"
".import FILE TABLE Import data from FILE\n"
".import FILE TABLE Import data from FILE into TABLE\n"
".indices TABLE Show names of all indices on TABLE\n"
".mode MODE Set mode to one of: cvs column html insert line\n"
" list tabs tcl\n"
".mode insert TABLE Generate SQL insert statements for TABLE\n"
".nullvalue STRING Print STRING instead of nothing for NULL data\n"
".mode MODE ?TABLE? Set output mode where MODE is on of:\n"
" cvs Comma-separated values\n"
" column Left-aligned columns. (See .width)\n"
" html HTML <table> code\n"
" insert SQL insert statements for TABLE\n"
" line One value per line\n"
" list Values delimited by .separator string\n"
" tabs Tab-separated values\n"
" tcl TCL list elements\n"
".nullvalue STRING Print STRING in place of NULL values\n"
".output FILENAME Send output to FILENAME\n"
".output stdout Send output to the screen\n"
".prompt MAIN CONTINUE Replace the standard prompts\n"
@@ -664,7 +670,7 @@ static char zHelp[] =
".rekey OLD NEW NEW Change the encryption key\n"
#endif
".schema ?TABLE? Show the CREATE statements\n"
".separator STRING Change separator string\n"
".separator STRING Change separator used by output mode and .import\n"
".show Show the current values for various settings\n"
".tables ?PATTERN? List names of tables matching a LIKE pattern\n"
".timeout MS Try opening locked tables for MS milliseconds\n"
@@ -915,7 +921,8 @@ static int do_meta_command(char *zLine, struct callback_data *p){
char *zLine; /* A single line of input from the file */
char **azCol; /* zLine[] broken up into columns */
char *zCommit; /* How to commit changes */
FILE *in; /* The input file */
FILE *in; /* The input file */
int lineno = 0; /* Line number of input file */
nSep = strlen(p->separator);
if( nSep==0 ){
@@ -965,17 +972,24 @@ static int do_meta_command(char *zLine, struct callback_data *p){
while( (zLine = local_getline(0, in))!=0 ){
char *z;
i = 0;
lineno++;
azCol[0] = zLine;
for(i=0, z=zLine; *z; z++){
if( *z==p->separator[0] && strncmp(z, p->separator, nSep)==0 ){
*z = 0;
i++;
if( i>=nCol ) break;
azCol[i] = &z[nSep];
z += nSep-1;
if( i<nCol ){
azCol[i] = &z[nSep];
z += nSep-1;
}
}
}
while( i<nCol ) azCol[i++] = 0;
if( i+1!=nCol ){
fprintf(stderr,"%s line %d: expected %d columns of data but found %d\n",
zFile, lineno, nCol, i+1);
zCommit = "ROLLBACK";
break;
}
for(i=0; i<nCol; i++){
sqlite3_bind_text(pStmt, i+1, azCol[i], -1, SQLITE_STATIC);
}
@@ -991,7 +1005,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
free(azCol);
fclose(in);
sqlite3_finalize(pStmt);
sqlite3_exec(p->db, "COMMIT", 0, 0, 0);
sqlite3_exec(p->db, zCommit, 0, 0, 0);
}else
if( c=='i' && strncmp(azArg[0], "indices", n)==0 && nArg>1 ){