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Overview
| Comment: | Provide the SQLITE_MAX_SCHEMA_RETRY compile-time parameter for adjusting the number of reparse attempts after a schema change. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
8dca748b23fa6f9abf47a186dcd1766f |
| User & Date: | drh 2011-06-23 01:42:53 |
Context
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2011-06-23
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| 16:18 | Do not do affinity transformations on inserts into an index for the manifestation of a view or subquery. Fix for ticket [91e2e8ba6ff2e2]. (check-in: 0b3174e0 user: drh tags: trunk) | |
| 02:30 | Pull the latest changes from trunk into the apple-osx branch. (check-in: b5acda04 user: drh tags: apple-osx) | |
| 02:11 | Pull the latest trunk changes into the sessions branch. (check-in: 5d95b429 user: drh tags: sessions) | |
| 01:42 | Provide the SQLITE_MAX_SCHEMA_RETRY compile-time parameter for adjusting the number of reparse attempts after a schema change. (check-in: 8dca748b user: drh tags: trunk) | |
| 01:07 | Remove unused variables from test_vfs.c (check-in: 07884cc2 user: drh tags: trunk) | |
Changes
Changes to src/vdbeapi.c.
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** caller. Set the error code in the database handle to the same value.
*/
rc = db->errCode = p->rc;
}
return (rc&db->errMask);
}
/*
** This is the top-level implementation of sqlite3_step(). Call
** sqlite3Step() to do most of the work. If a schema error occurs,
** call sqlite3Reprepare() and try again.
*/
int sqlite3_step(sqlite3_stmt *pStmt){
int rc = SQLITE_OK; /* Result from sqlite3Step() */
................................................................................
if( vdbeSafetyNotNull(v) ){
return SQLITE_MISUSE_BKPT;
}
db = v->db;
sqlite3_mutex_enter(db->mutex);
while( (rc = sqlite3Step(v))==SQLITE_SCHEMA
&& cnt++ < 5
&& (rc2 = rc = sqlite3Reprepare(v))==SQLITE_OK ){
sqlite3_reset(pStmt);
v->expired = 0;
}
if( rc2!=SQLITE_OK && ALWAYS(v->isPrepareV2) && ALWAYS(db->pErr) ){
/* This case occurs after failing to recompile an sql statement.
** The error message from the SQL compiler has already been loaded
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** caller. Set the error code in the database handle to the same value.
*/
rc = db->errCode = p->rc;
}
return (rc&db->errMask);
}
/*
** The maximum number of times that a statement will try to reparse
** itself before giving up and returning SQLITE_SCHEMA.
*/
#ifndef SQLITE_MAX_SCHEMA_RETRY
# define SQLITE_MAX_SCHEMA_RETRY 5
#endif
/*
** This is the top-level implementation of sqlite3_step(). Call
** sqlite3Step() to do most of the work. If a schema error occurs,
** call sqlite3Reprepare() and try again.
*/
int sqlite3_step(sqlite3_stmt *pStmt){
int rc = SQLITE_OK; /* Result from sqlite3Step() */
................................................................................
if( vdbeSafetyNotNull(v) ){
return SQLITE_MISUSE_BKPT;
}
db = v->db;
sqlite3_mutex_enter(db->mutex);
while( (rc = sqlite3Step(v))==SQLITE_SCHEMA
&& cnt++ < SQLITE_MAX_SCHEMA_RETRY
&& (rc2 = rc = sqlite3Reprepare(v))==SQLITE_OK ){
sqlite3_reset(pStmt);
v->expired = 0;
}
if( rc2!=SQLITE_OK && ALWAYS(v->isPrepareV2) && ALWAYS(db->pErr) ){
/* This case occurs after failing to recompile an sql statement.
** The error message from the SQL compiler has already been loaded
|