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Add the sqliteErrorMsg() function and use it to generate error message

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text during parsing and code generation.  This simplifies the code
somewhat and makes it easier to handle names with a database prefix. (CVS 891)

FossilOrigin-Name: 1d3fc977211abdc7ba3fd51d661863e8ce5aef69
This commit is contained in:
drh
2003-03-31 02:12:46 +00:00
parent 1c2d84148a
commit da93d238c2
11 changed files with 228 additions and 175 deletions
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31
src/trigger.c
View File

@@ -66,33 +66,29 @@ void sqliteCreateTrigger(
goto trigger_cleanup;
}
if( tab->iDb>=2 ){
sqliteSetString(&pParse->zErrMsg, "triggers may not be added to "
"auxiliary database \"", db->aDb[tab->iDb].zName, "\"", 0);
pParse->nErr++;
sqliteErrorMsg(pParse, "triggers may not be added to auxiliary "
"database %s", db->aDb[tab->iDb].zName);
goto trigger_cleanup;
}
zName = sqliteStrNDup(pName->z, pName->n);
if( sqliteHashFind(&(db->aDb[tab->iDb].trigHash), zName,pName->n+1) ){
sqliteSetNString(&pParse->zErrMsg, "trigger ", -1,
pName->z, pName->n, " already exists", -1, 0);
pParse->nErr++;
sqliteErrorMsg(pParse, "trigger %T already exists", pName);
goto trigger_cleanup;
}
if( sqliteStrNICmp(tab->zName, "sqlite_", 7)==0 ){
sqliteSetString(&pParse->zErrMsg,"cannot create trigger on system table",0);
sqliteErrorMsg(pParse, "cannot create trigger on system table");
pParse->nErr++;
goto trigger_cleanup;
}
if( tab->pSelect && tr_tm != TK_INSTEAD ){
sqliteSetString(&pParse->zErrMsg, "cannot create ",
(tr_tm == TK_BEFORE)?"BEFORE":"AFTER", " trigger on view: ",
pTableName->a[0].zName, 0);
sqliteErrorMsg(pParse, "cannot create %s trigger on view: %S",
(tr_tm == TK_BEFORE)?"BEFORE":"AFTER", pTableName, 0);
goto trigger_cleanup;
}
if( !tab->pSelect && tr_tm == TK_INSTEAD ){
sqliteSetString(&pParse->zErrMsg, "cannot create INSTEAD OF",
" trigger on table: ", pTableName->a[0].zName, 0);
sqliteErrorMsg(pParse, "cannot create INSTEAD OF"
" trigger on table: %S", pTableName, 0);
goto trigger_cleanup;
}
#ifndef SQLITE_OMIT_AUTHORIZATION
@@ -362,14 +358,13 @@ void sqliteDropTrigger(Parse *pParse, SrcList *pName, int nested){
if( pTrigger ) break;
}
if( !pTrigger ){
sqliteSetString(&pParse->zErrMsg, "no such trigger: ", zName, 0);
sqliteErrorMsg(pParse, "no such trigger: %S", pName, 0);
goto drop_trigger_cleanup;
}
assert( pTrigger->iDb>=0 && pTrigger->iDb<db->nDb );
if( pTrigger->iDb>=2 ){
sqliteSetString(&pParse->zErrMsg, "triggers may not be removed from "
"auxiliary database \"", db->aDb[pTrigger->iDb].zName, "\"", 0);
pParse->nErr++;
sqliteErrorMsg(pParse, "triggers may not be removed from "
"auxiliary database %s", db->aDb[pTrigger->iDb].zName);
goto drop_trigger_cleanup;
}
pTable = sqliteFindTable(db, pTrigger->table, db->aDb[pTrigger->iDb].zName);
@@ -764,9 +759,7 @@ void sqliteViewTriggers(
}
}
if( jj>=pTab->nCol ){
sqliteSetString(&pParse->zErrMsg, "no such column: ",
pChanges->a[ii].zName, 0);
pParse->nErr++;
sqliteErrorMsg(pParse, "no such column: %s", pChanges->a[ii].zName);
goto trigger_cleanup;
}
}