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Add support for IF NOT EXISTS on CREATE VIRTUAL TABLE.

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FossilOrigin-Name: 230983e86a897caa91a487ef2d4c1c7fb7c79f10
This commit is contained in:
drh
2012-01-28 19:41:53 +00:00
parent dfada7ce06
commit b421b894e0
6 changed files with 48 additions and 21 deletions
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7
src/vtab.c
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@@ -278,13 +278,14 @@ void sqlite3VtabBeginParse(
Parse *pParse, /* Parsing context */
Token *pName1, /* Name of new table, or database name */
Token *pName2, /* Name of new table or NULL */
Token *pModuleName /* Name of the module for the virtual table */
Token *pModuleName, /* Name of the module for the virtual table */
int ifNotExists /* No error if the table already exists */
){
int iDb; /* The database the table is being created in */
Table *pTable; /* The new virtual table */
sqlite3 *db; /* Database connection */
sqlite3StartTable(pParse, pName1, pName2, 0, 0, 1, 0);
sqlite3StartTable(pParse, pName1, pName2, 0, 0, 1, ifNotExists);
pTable = pParse->pNewTable;
if( pTable==0 ) return;
assert( 0==pTable->pIndex );
@@ -319,7 +320,7 @@ void sqlite3VtabBeginParse(
** virtual table currently under construction in pParse->pTable.
*/
static void addArgumentToVtab(Parse *pParse){
if( pParse->sArg.z && ALWAYS(pParse->pNewTable) ){
if( pParse->sArg.z && pParse->pNewTable ){
const char *z = (const char*)pParse->sArg.z;
int n = pParse->sArg.n;
sqlite3 *db = pParse->db;