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In the CLI in the ".dump" command, do not attempt to clear the sqlite_sequence

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table until the first row of content of that table is seen.  Ticket #3867 (CVS 6664)

FossilOrigin-Name: bedd5ad1942021ef2b3defde3ff3e8aead86137e
This commit is contained in:
drh
2009-05-21 15:15:00 +00:00
parent 4f32476cea
commit 157e29a9e3
3 changed files with 29 additions and 17 deletions
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32
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 1.208 2009/05/21 14:51:03 drh Exp $
** $Id: shell.c,v 1.209 2009/05/21 15:15:01 drh Exp $
*/
#if defined(_WIN32) || defined(WIN32)
/* This needs to come before any includes for MSVC compiler */
@@ -1644,7 +1644,12 @@ static char *appendText(char *zIn, char const *zAppend, char quote){
** 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){
static int run_table_dump_query(
FILE *out, /* Send output here */
sqlite3 *db, /* Database to query */
const char *zSelect, /* SELECT statement to extract content */
const char *zFirstRow /* Print before first row, if not NULL */
){
sqlite3_stmt *pSelect;
int rc;
rc = sqlite3_prepare(db, zSelect, -1, &pSelect, 0);
@@ -1653,6 +1658,10 @@ static int run_table_dump_query(FILE *out, sqlite3 *db, const char *zSelect){
}
rc = sqlite3_step(pSelect);
while( rc==SQLITE_ROW ){
if( zFirstRow ){
fprintf(out, "%s", zFirstRow);
zFirstRow = 0;
}
fprintf(out, "%s;\n", sqlite3_column_text(pSelect, 0));
rc = sqlite3_step(pSelect);
}
@@ -1671,6 +1680,7 @@ static int dump_callback(void *pArg, int nArg, char **azArg, char **azCol){
const char *zTable;
const char *zType;
const char *zSql;
const char *zPrepStmt = 0;
struct callback_data *p = (struct callback_data *)pArg;
UNUSED_PARAMETER(azCol);
@@ -1680,7 +1690,7 @@ static int dump_callback(void *pArg, int nArg, char **azArg, char **azCol){
zSql = azArg[2];
if( strcmp(zTable, "sqlite_sequence")==0 ){
fprintf(p->out, "DELETE FROM sqlite_sequence;\n");
zPrepStmt = "DELETE FROM sqlite_sequence;\n";
}else if( strcmp(zTable, "sqlite_stat1")==0 ){
fprintf(p->out, "ANALYZE sqlite_master;\n");
}else if( strncmp(zTable, "sqlite_", 7)==0 ){
@@ -1707,13 +1717,14 @@ static int dump_callback(void *pArg, int nArg, char **azArg, char **azCol){
char *zSelect = 0;
char *zTableInfo = 0;
char *zTmp = 0;
int nRow = 0;
zTableInfo = appendText(zTableInfo, "PRAGMA table_info(", 0);
zTableInfo = appendText(zTableInfo, zTable, '"');
zTableInfo = appendText(zTableInfo, ");", 0);
rc = sqlite3_prepare(p->db, zTableInfo, -1, &pTableInfo, 0);
if( zTableInfo ) free(zTableInfo);
free(zTableInfo);
if( rc!=SQLITE_OK || !pTableInfo ){
return 1;
}
@@ -1735,19 +1746,20 @@ static int dump_callback(void *pArg, int nArg, char **azArg, char **azCol){
}else{
zSelect = appendText(zSelect, ") ", 0);
}
nRow++;
}
rc = sqlite3_finalize(pTableInfo);
if( rc!=SQLITE_OK ){
if( zSelect ) free(zSelect);
if( rc!=SQLITE_OK || nRow==0 ){
free(zSelect);
return 1;
}
zSelect = appendText(zSelect, "|| ')' FROM ", 0);
zSelect = appendText(zSelect, zTable, '"');
rc = run_table_dump_query(p->out, p->db, zSelect);
rc = run_table_dump_query(p->out, p->db, zSelect, zPrepStmt);
if( rc==SQLITE_CORRUPT ){
zSelect = appendText(zSelect, " ORDER BY rowid DESC", 0);
rc = run_table_dump_query(p->out, p->db, zSelect);
rc = run_table_dump_query(p->out, p->db, zSelect, 0);
}
if( zSelect ) free(zSelect);
}
@@ -2088,7 +2100,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
);
run_table_dump_query(p->out, p->db,
"SELECT sql FROM sqlite_master "
"WHERE sql NOT NULL AND type IN ('index','trigger','view')"
"WHERE sql NOT NULL AND type IN ('index','trigger','view')", 0
);
}else{
int i;
@@ -2102,7 +2114,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
"SELECT sql FROM sqlite_master "
"WHERE sql NOT NULL"
" AND type IN ('index','trigger','view')"
" AND tbl_name LIKE shellstatic()"
" AND tbl_name LIKE shellstatic()", 0
);
zShellStatic = 0;
}