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Overview
| Comment: | Enhance the shell tool ".dump PATTERN" command so that it dumps the contents of shadow tables when a virtual table is identified by the PATTERN. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
b0bc5ab9ceec496ac260ccfd53b51a2b |
| User & Date: | dan 2021-05-25 11:39:14 |
Context
|
2021-05-25
| ||
| 15:21 | Update an allocation routine in the sessions module to allow it to allocate the maximum size permitted by sqlite3_realloc64(). (check-in: 0b45e821 user: dan tags: trunk) | |
| 11:39 | Enhance the shell tool ".dump PATTERN" command so that it dumps the contents of shadow tables when a virtual table is identified by the PATTERN. (check-in: b0bc5ab9 user: dan tags: trunk) | |
|
2021-05-24
| ||
| 14:35 | Fix a problem in the in-memory journal code that could occasionally lead to a segfault when a sub-transaction that modified zero pages was committed. (check-in: 17960165 user: dan tags: trunk) | |
Changes
Changes to src/shell.c.in.
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}else
{
raw_printf(stderr, "Unknown option \"%s\" on \".dump\"\n", azArg[i]);
rc = 1;
sqlite3_free(zLike);
goto meta_command_exit;
}
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}else
{
raw_printf(stderr, "Unknown option \"%s\" on \".dump\"\n", azArg[i]);
rc = 1;
sqlite3_free(zLike);
goto meta_command_exit;
}
}else{
/* azArg[i] contains a LIKE pattern. This ".dump" request should
** only dump data for tables for which either the table name matches
** the LIKE pattern, or the table appears to be a shadow table of
** a virtual table for which the name matches the LIKE pattern.
*/
char *zExpr = sqlite3_mprintf(
"name LIKE %Q ESCAPE '\\' OR EXISTS ("
" SELECT 1 FROM sqlite_schema WHERE "
" name LIKE %Q ESCAPE '\\' AND"
" sql LIKE 'CREATE VIRTUAL TABLE%%' AND"
" substr(o.name, 1, length(name)+1) == (name||'_')"
")", azArg[i], azArg[i]
);
if( zLike ){
zLike = sqlite3_mprintf("%z OR %z", zLike, zExpr);
}else{
zLike = zExpr;
}
}
}
open_db(p, 0);
if( (p->shellFlgs & SHFLG_DumpDataOnly)==0 ){
/* When playing back a "dump", the content might appear in an order
|
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/* Set writable_schema=ON since doing so forces SQLite to initialize
** as much of the schema as it can even if the sqlite_schema table is
** corrupt. */
sqlite3_exec(p->db, "SAVEPOINT dump; PRAGMA writable_schema=ON", 0, 0, 0);
p->nErr = 0;
if( zLike==0 ) zLike = sqlite3_mprintf("true");
zSql = sqlite3_mprintf(
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/* Set writable_schema=ON since doing so forces SQLite to initialize
** as much of the schema as it can even if the sqlite_schema table is
** corrupt. */
sqlite3_exec(p->db, "SAVEPOINT dump; PRAGMA writable_schema=ON", 0, 0, 0);
p->nErr = 0;
if( zLike==0 ) zLike = sqlite3_mprintf("true");
zSql = sqlite3_mprintf(
"SELECT name, type, sql FROM sqlite_schema AS o "
"WHERE (%s) AND type=='table'"
" AND sql NOT NULL"
" ORDER BY tbl_name='sqlite_sequence', rowid",
zLike
);
run_schema_dump_query(p,zSql);
sqlite3_free(zSql);
if( (p->shellFlgs & SHFLG_DumpDataOnly)==0 ){
zSql = sqlite3_mprintf(
"SELECT sql FROM sqlite_schema AS o "
"WHERE (%s) AND sql NOT NULL"
" AND type IN ('index','trigger','view')",
zLike
);
run_table_dump_query(p, zSql);
sqlite3_free(zSql);
}
|
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