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Overview
| Comment: | Test for schema corruption is reachable after all. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
2032236cce2ea040dec4cb1c03284bf4 |
| User & Date: | drh 2020-07-30 23:47:00 |
Context
|
2020-07-31
| ||
| 02:07 | Remove an ALWAYS() that turns out to be reachable. (check-in: 12bb75d9 user: drh tags: trunk) | |
|
2020-07-30
| ||
| 23:47 | Test for schema corruption is reachable after all. (check-in: 2032236c user: drh tags: trunk) | |
| 22:33 | Provide an alternative "guaranteed-safe" method for overwriting the WAL index on recovery, in case some platform is found for which memcpy() cannot do this safely. (check-in: 168cccba user: drh tags: trunk) | |
Changes
Changes to src/build.c.
2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 |
** Also write code to modify the sqlite_schema table and internal schema
** if a root-page of another table is moved by the btree-layer whilst
** erasing iTable (this can happen with an auto-vacuum database).
*/
static void destroyRootPage(Parse *pParse, int iTable, int iDb){
Vdbe *v = sqlite3GetVdbe(pParse);
int r1 = sqlite3GetTempReg(pParse);
if( NEVER(iTable<2) ) return;
sqlite3VdbeAddOp3(v, OP_Destroy, iTable, r1, iDb);
sqlite3MayAbort(pParse);
#ifndef SQLITE_OMIT_AUTOVACUUM
/* OP_Destroy stores an in integer r1. If this integer
** is non-zero, then it is the root page number of a table moved to
** location iTable. The following code modifies the sqlite_schema table to
** reflect this.
|
| |
2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 |
** Also write code to modify the sqlite_schema table and internal schema
** if a root-page of another table is moved by the btree-layer whilst
** erasing iTable (this can happen with an auto-vacuum database).
*/
static void destroyRootPage(Parse *pParse, int iTable, int iDb){
Vdbe *v = sqlite3GetVdbe(pParse);
int r1 = sqlite3GetTempReg(pParse);
if( iTable<2 ) sqlite3ErrorMsg(pParse, "corrupt schema");
sqlite3VdbeAddOp3(v, OP_Destroy, iTable, r1, iDb);
sqlite3MayAbort(pParse);
#ifndef SQLITE_OMIT_AUTOVACUUM
/* OP_Destroy stores an in integer r1. If this integer
** is non-zero, then it is the root page number of a table moved to
** location iTable. The following code modifies the sqlite_schema table to
** reflect this.
|