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Fix the ".dump" command in the shell. Ticket #2072. Also ticket #2065. (CVS 3515)

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FossilOrigin-Name: 9fdc249609a4745715a2bf49bbf1376ea243a20a
This commit is contained in:
drh
2006-11-20 16:21:10 +00:00
parent c28e3a1828
commit 45e29d8a1e
3 changed files with 40 additions and 23 deletions
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49
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 1.155 2006/11/08 12:25:43 drh Exp $
** $Id: shell.c,v 1.156 2006/11/20 16:21:10 drh Exp $
*/
#include <stdlib.h>
#include <string.h>
@@ -225,6 +225,7 @@ struct previous_mode_data {
int showHeader;
int colWidth[100];
};
/*
** An pointer to an instance of this structure is passed from
** the main program to the callback. This is used to communicate
@@ -236,6 +237,7 @@ struct callback_data {
int cnt; /* Number of records displayed so far */
FILE *out; /* Write results here */
int mode; /* An output mode setting */
int writableSchema; /* True if PRAGMA writable_schema=ON */
int showHeader; /* True to show column names in List or Column mode */
char *zDestTable; /* Name of destination table when MODE_Insert */
char separator[20]; /* Separator character for MODE_List */
@@ -675,6 +677,9 @@ static char *appendText(char *zIn, char const *zAppend, char quote){
/*
** Execute a query statement that has a single result column. Print
** that result column on a line by itself with a semicolon terminator.
**
** This is used, for example, to show the schema of the database by
** querying the SQLITE_MASTER table.
*/
static int run_table_dump_query(FILE *out, sqlite3 *db, const char *zSelect){
sqlite3_stmt *pSelect;
@@ -716,6 +721,19 @@ static int dump_callback(void *pArg, int nArg, char **azArg, char **azCol){
fprintf(p->out, "ANALYZE sqlite_master;\n");
}else if( strncmp(zTable, "sqlite_", 7)==0 ){
return 0;
}else if( strncmp(zSql, "CREATE VIRTUAL TABLE", 20)==0 ){
char *zIns;
if( !p->writableSchema ){
fprintf(p->out, "PRAGMA writable_schema=ON;\n");
p->writableSchema = 1;
}
zIns = sqlite3_mprintf(
"INSERT INTO sqlite_master(type,name,tbl_name,rootpage,sql)"
"VALUES('table','%q','%q',0,'%q');",
zTable, zTable, zSql);
fprintf(p->out, "%s\n", zIns);
sqlite3_free(zIns);
return 0;
}else{
fprintf(p->out, "%s;\n", zSql);
}
@@ -749,7 +767,7 @@ static int dump_callback(void *pArg, int nArg, char **azArg, char **azCol){
zSelect = appendText(zSelect, zText, '"');
rc = sqlite3_step(pTableInfo);
if( rc==SQLITE_ROW ){
zSelect = appendText(zSelect, ") || ', ' || ", 0);
zSelect = appendText(zSelect, ") || ',' || ", 0);
}else{
zSelect = appendText(zSelect, ") ", 0);
}
@@ -773,7 +791,9 @@ static int dump_callback(void *pArg, int nArg, char **azArg, char **azCol){
}
/*
** Run zQuery. Update dump_callback() as the callback routine.
** Run zQuery. Use dump_callback() as the callback routine so that
** the contents of the query are output as SQL statements.
**
** If we get a SQLITE_CORRUPT error, rerun the query after appending
** "ORDER BY rowid DESC" to the end.
*/
@@ -979,19 +999,15 @@ static int do_meta_command(char *zLine, struct callback_data *p){
char *zErrMsg = 0;
open_db(p);
fprintf(p->out, "BEGIN TRANSACTION;\n");
p->writableSchema = 0;
if( nArg==1 ){
run_schema_dump_query(p,
"SELECT name, type, sql FROM sqlite_master "
"WHERE sql NOT NULL AND type=='table' AND rootpage!=0", 0
);
run_schema_dump_query(p,
"SELECT name, type, sql FROM sqlite_master "
"WHERE sql NOT NULL AND "
" AND type!='table' AND type!='meta'", 0
"WHERE sql NOT NULL AND type=='table'", 0
);
run_table_dump_query(p->out, p->db,
"SELECT sql FROM sqlite_master "
"WHERE sql NOT NULL AND rootpage==0"
"WHERE sql NOT NULL AND type IN ('index','trigger','view')"
);
}else{
int i;
@@ -1000,19 +1016,20 @@ static int do_meta_command(char *zLine, struct callback_data *p){
run_schema_dump_query(p,
"SELECT name, type, sql FROM sqlite_master "
"WHERE tbl_name LIKE shellstatic() AND type=='table'"
" AND rootpage!=0 AND sql NOT NULL", 0);
run_schema_dump_query(p,
"SELECT name, type, sql FROM sqlite_master "
"WHERE tbl_name LIKE shellstatic() AND type!='table'"
" AND type!='meta' AND sql NOT NULL", 0);
" AND sql NOT NULL", 0);
run_table_dump_query(p->out, p->db,
"SELECT sql FROM sqlite_master "
"WHERE sql NOT NULL AND rootpage==0"
"WHERE sql NOT NULL"
" AND type IN ('index','trigger','view')"
" AND tbl_name LIKE shellstatic()"
);
zShellStatic = 0;
}
}
if( p->writableSchema ){
fprintf(p->out, "PRAGMA writable_schema=OFF;\n");
p->writableSchema = 0;
}
if( zErrMsg ){
fprintf(stderr,"Error: %s\n", zErrMsg);
sqlite3_free(zErrMsg);