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Overview
| Comment: | Fix a problem with renaming a table that starts with "sqlite". Fix for ticket [f00d7b65]. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
a2ead8aa4517b63cda7bf84464326e9c |
| User & Date: | dan 2019-04-19 16:34:22 |
Context
|
2019-04-19
| ||
| 17:26 | Improved optimization of the AND and OR operators. (check-in: 0fbd154e user: drh tags: trunk) | |
| 16:34 | Fix a problem with renaming a table that starts with "sqlite". Fix for ticket [f00d7b65]. (check-in: a2ead8aa user: dan tags: trunk) | |
| 16:21 | Use macros to determine if an expression is always true or always false. (check-in: 6de980a0 user: drh tags: trunk) | |
Changes
Changes to src/alter.c.
50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 ... 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 ... 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 |
** statement to ensure that the operation has not rendered any schema
** objects unusable.
*/
static void renameTestSchema(Parse *pParse, const char *zDb, int bTemp){
sqlite3NestedParse(pParse,
"SELECT 1 "
"FROM \"%w\".%s "
"WHERE name NOT LIKE 'sqlite_%%'"
" AND sql NOT LIKE 'create virtual%%'"
" AND sqlite_rename_test(%Q, sql, type, name, %d)=NULL ",
zDb, MASTER_NAME,
zDb, bTemp
);
if( bTemp==0 ){
sqlite3NestedParse(pParse,
"SELECT 1 "
"FROM temp.%s "
"WHERE name NOT LIKE 'sqlite_%%'"
" AND sql NOT LIKE 'create virtual%%'"
" AND sqlite_rename_test(%Q, sql, type, name, 1)=NULL ",
MASTER_NAME, zDb
);
}
}
................................................................................
/* Rewrite all CREATE TABLE, INDEX, TRIGGER or VIEW statements in
** the schema to use the new table name. */
sqlite3NestedParse(pParse,
"UPDATE \"%w\".%s SET "
"sql = sqlite_rename_table(%Q, type, name, sql, %Q, %Q, %d) "
"WHERE (type!='index' OR tbl_name=%Q COLLATE nocase)"
"AND name NOT LIKE 'sqlite_%%'"
, zDb, MASTER_NAME, zDb, zTabName, zName, (iDb==1), zTabName
);
/* Update the tbl_name and name columns of the sqlite_master table
** as required. */
sqlite3NestedParse(pParse,
"UPDATE %Q.%s SET "
"tbl_name = %Q, "
"name = CASE "
"WHEN type='table' THEN %Q "
"WHEN name LIKE 'sqlite_autoindex%%' AND type='index' THEN "
"'sqlite_autoindex_' || %Q || substr(name,%d+18) "
"ELSE name END "
"WHERE tbl_name=%Q COLLATE nocase AND "
"(type='table' OR type='index' OR type='trigger');",
zDb, MASTER_NAME,
zName, zName, zName,
nTabName, zTabName
................................................................................
zNew = sqlite3NameFromToken(db, pNew);
if( !zNew ) goto exit_rename_column;
assert( pNew->n>0 );
bQuote = sqlite3Isquote(pNew->z[0]);
sqlite3NestedParse(pParse,
"UPDATE \"%w\".%s SET "
"sql = sqlite_rename_column(sql, type, name, %Q, %Q, %d, %Q, %d, %d) "
"WHERE name NOT LIKE 'sqlite_%%' AND (type != 'index' OR tbl_name = %Q)"
" AND sql NOT LIKE 'create virtual%%'",
zDb, MASTER_NAME,
zDb, pTab->zName, iCol, zNew, bQuote, iSchema==1,
pTab->zName
);
sqlite3NestedParse(pParse,
|
| | | > | > | |
50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 ... 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 ... 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 |
** statement to ensure that the operation has not rendered any schema
** objects unusable.
*/
static void renameTestSchema(Parse *pParse, const char *zDb, int bTemp){
sqlite3NestedParse(pParse,
"SELECT 1 "
"FROM \"%w\".%s "
"WHERE name NOT LIKE 'sqliteX_%%' ESCAPE 'X'"
" AND sql NOT LIKE 'create virtual%%'"
" AND sqlite_rename_test(%Q, sql, type, name, %d)=NULL ",
zDb, MASTER_NAME,
zDb, bTemp
);
if( bTemp==0 ){
sqlite3NestedParse(pParse,
"SELECT 1 "
"FROM temp.%s "
"WHERE name NOT LIKE 'sqliteX_%%' ESCAPE 'X'"
" AND sql NOT LIKE 'create virtual%%'"
" AND sqlite_rename_test(%Q, sql, type, name, 1)=NULL ",
MASTER_NAME, zDb
);
}
}
................................................................................
/* Rewrite all CREATE TABLE, INDEX, TRIGGER or VIEW statements in
** the schema to use the new table name. */
sqlite3NestedParse(pParse,
"UPDATE \"%w\".%s SET "
"sql = sqlite_rename_table(%Q, type, name, sql, %Q, %Q, %d) "
"WHERE (type!='index' OR tbl_name=%Q COLLATE nocase)"
"AND name NOT LIKE 'sqliteX_%%' ESCAPE 'X'"
, zDb, MASTER_NAME, zDb, zTabName, zName, (iDb==1), zTabName
);
/* Update the tbl_name and name columns of the sqlite_master table
** as required. */
sqlite3NestedParse(pParse,
"UPDATE %Q.%s SET "
"tbl_name = %Q, "
"name = CASE "
"WHEN type='table' THEN %Q "
"WHEN name LIKE 'sqliteX_autoindex%%' ESCAPE 'X' "
" AND type='index' THEN "
"'sqlite_autoindex_' || %Q || substr(name,%d+18) "
"ELSE name END "
"WHERE tbl_name=%Q COLLATE nocase AND "
"(type='table' OR type='index' OR type='trigger');",
zDb, MASTER_NAME,
zName, zName, zName,
nTabName, zTabName
................................................................................
zNew = sqlite3NameFromToken(db, pNew);
if( !zNew ) goto exit_rename_column;
assert( pNew->n>0 );
bQuote = sqlite3Isquote(pNew->z[0]);
sqlite3NestedParse(pParse,
"UPDATE \"%w\".%s SET "
"sql = sqlite_rename_column(sql, type, name, %Q, %Q, %d, %Q, %d, %d) "
"WHERE name NOT LIKE 'sqliteX_%%' ESCAPE 'X' "
" AND (type != 'index' OR tbl_name = %Q)"
" AND sql NOT LIKE 'create virtual%%'",
zDb, MASTER_NAME,
zDb, pTab->zName, iCol, zNew, bQuote, iSchema==1,
pTab->zName
);
sqlite3NestedParse(pParse,
|
Changes to test/altertab.test.
554 555 556 557 558 559 560 561 562 |
ALTER TABLE y1 RENAME TO z1;
}
do_execsql_test 16.4 {
SELECT * FROM z1_segments;
}
}
finish_test
|
> > > > > > > > > > |
554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 |
ALTER TABLE y1 RENAME TO z1;
}
do_execsql_test 16.4 {
SELECT * FROM z1_segments;
}
}
#-------------------------------------------------------------------------
reset_db
do_execsql_test 17.0 {
CREATE TABLE sqlite1234 (id integer);
ALTER TABLE sqlite1234 RENAME TO User;
SELECT name, sql FROM sqlite_master WHERE sql IS NOT NULL;
} {
User {CREATE TABLE "User" (id integer)}
}
finish_test
|