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Test the handling of errors in virtual table methods. (CVS 3284)

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FossilOrigin-Name: 51b729d9d9f8a60cdfb552809e4aa10012f4eb68
This commit is contained in:
danielk1977
2006-06-22 09:53:48 +00:00
parent f7e678d6e9
commit a298e90d50
9 changed files with 163 additions and 42 deletions
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28
src/test_schema.c
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@@ -13,7 +13,7 @@
** is not included in the SQLite library. It is used for automated
** testing of the SQLite library.
**
** $Id: test_schema.c,v 1.5 2006/06/20 11:01:08 danielk1977 Exp $
** $Id: test_schema.c,v 1.6 2006/06/22 09:53:50 danielk1977 Exp $
*/
/* The code in this file defines a sqlite3 virtual-table module that
@@ -161,6 +161,11 @@ static int finalize(sqlite3_stmt **ppStmt){
return rc;
}
static int schemaEof(sqlite3_vtab_cursor *cur){
schema_cursor *pCur = (schema_cursor *)cur;
return (pCur->pDbList ? 0 : 1);
}
/*
** Advance the cursor to the next row.
*/
@@ -171,15 +176,15 @@ static int schemaNext(sqlite3_vtab_cursor *cur){
char *zSql = 0;
while( !pCur->pColumnList || SQLITE_ROW!=sqlite3_step(pCur->pColumnList) ){
if( SQLITE_OK!=(rc = finalize(&pCur->pColumnList)) ) goto fail;
if( SQLITE_OK!=(rc = finalize(&pCur->pColumnList)) ) goto next_exit;
while( !pCur->pTableList || SQLITE_ROW!=sqlite3_step(pCur->pTableList) ){
if( SQLITE_OK!=(rc = finalize(&pCur->pTableList)) ) goto fail;
if( SQLITE_OK!=(rc = finalize(&pCur->pTableList)) ) goto next_exit;
assert(pCur->pDbList);
while( SQLITE_ROW!=sqlite3_step(pCur->pDbList) ){
if( SQLITE_OK!=(rc = finalize(&pCur->pDbList)) ) goto fail;
return 0;
rc = finalize(&pCur->pDbList);
goto next_exit;
}
/* Set zSql to the SQL to pull the list of tables from the
@@ -200,12 +205,12 @@ static int schemaNext(sqlite3_vtab_cursor *cur){
}
if( !zSql ){
rc = SQLITE_NOMEM;
goto fail;
goto next_exit;
}
rc = sqlite3_prepare(pVtab->db, zSql, -1, &pCur->pTableList, 0);
sqlite3_free(zSql);
if( rc!=SQLITE_OK ) goto fail;
if( rc!=SQLITE_OK ) goto next_exit;
}
/* Set zSql to the SQL to the table_info pragma for the table currently
@@ -219,17 +224,17 @@ static int schemaNext(sqlite3_vtab_cursor *cur){
if( !zSql ){
rc = SQLITE_NOMEM;
goto fail;
goto next_exit;
}
rc = sqlite3_prepare(pVtab->db, zSql, -1, &pCur->pColumnList, 0);
sqlite3_free(zSql);
if( rc!=SQLITE_OK ) goto fail;
if( rc!=SQLITE_OK ) goto next_exit;
}
pCur->rowid++;
fail:
next_exit:
/* TODO: Handle rc */
return 1;
return rc;
}
/*
@@ -274,6 +279,7 @@ static sqlite3_module schemaModule = {
schemaClose, /* xClose - close a cursor */
schemaFilter, /* xFilter - configure scan constraints */
schemaNext, /* xNext - advance a cursor */
schemaEof, /* xEof */
schemaColumn, /* xColumn - read data */
schemaRowid, /* xRowid - read data */
};