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Expose sqlite3_preupdate_hook() and friends to the JS API.

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FossilOrigin-Name: cc02783a1210a083683320fae1ec1519e45b8e3003a9e32809d808513a2ce06b
This commit is contained in:
stephan
2022-12-27 14:34:32 +00:00
parent 4e013284a0
commit 294968e030
6 changed files with 137 additions and 24 deletions
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51
ext/wasm/api/sqlite3-api-glue.js
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@ -338,6 +338,26 @@ self.sqlite3ApiBootstrap.initializers.push(function(sqlite3){
["sqlite3_malloc64", "*","i64"],
["sqlite3_msize", "i64", "*"],
["sqlite3_overload_function", "int", ["sqlite3*","string","int"]],
["sqlite3_preupdate_blobwrite", "int", "sqlite3*"],
["sqlite3_preupdate_count", "int", "sqlite3*"],
["sqlite3_preupdate_depth", "int", "sqlite3*"],
["sqlite3_preupdate_hook", "*", [
"sqlite3*",
new wasm.xWrap.FuncPtrAdapter({
name: 'sqlite3_preupdate_hook',
signature: "v(ppippjj)",
contextKey: (argv)=>argv[0/* sqlite3* */],
callProxy: (callback)=>{
return (p,db,op,zDb,zTbl,iKey1,iKey2)=>{
callback(p, db, op, wasm.cstrToJs(zDb), wasm.cstrToJs(zTbl),
iKey1, iKey2);
};
}
}),
"*"
]],
["sqlite3_preupdate_new", "int", ["sqlite3*", "int", "**"]],
["sqlite3_preupdate_old", "int", ["sqlite3*", "int", "**"]],
["sqlite3_realloc64", "*","*", "i64"],
["sqlite3_result_int64", undefined, "*", "i64"],
["sqlite3_result_zeroblob64", "int", "*", "i64"],
@ -895,7 +915,7 @@ self.sqlite3ApiBootstrap.initializers.push(function(sqlite3){
Intended to be called _only_ from sqlite3_close_v2(),
passed its non-0 db argument.
This function freees up certain automatically-installed WASM
This function frees up certain automatically-installed WASM
function bindings which were installed on behalf of the given db,
as those may otherwise leak.
@ -914,7 +934,7 @@ self.sqlite3ApiBootstrap.initializers.push(function(sqlite3){
*/
__dbCleanupMap.cleanup = function(pDb){
pDb = __argPDb(pDb);
wasm.xWrap.FuncPtrAdapter.debugFuncInstall = false;
//wasm.xWrap.FuncPtrAdapter.debugFuncInstall = false;
/**
Installing NULL functions in the C API will remove those
bindings. The FuncPtrAdapter which sits between us and the C
@ -922,13 +942,26 @@ self.sqlite3ApiBootstrap.initializers.push(function(sqlite3){
wasm.uninstallFunction() any WASM function bindings it has
installed for pDb.
*/
try{capi.sqlite3_busy_handler(pDb, 0, 0)} catch(e){/*ignored*/}
try{capi.sqlite3_commit_hook(pDb, 0, 0)} catch(e){/*ignored*/}
try{capi.sqlite3_progress_handler(pDb, 0, 0, 0)} catch(e){/*ignored*/}
try{capi.sqlite3_rollback_hook(pDb, 0, 0)} catch(e){/*ignored*/}
try{capi.sqlite3_set_authorizer(pDb, 0, 0)} catch(e){/*ignored*/}
try{capi.sqlite3_trace_v2(pDb, 0, 0, 0, 0)} catch(e){/*ignored*/}
try{capi.sqlite3_update_hook(pDb, 0, 0)} catch(e){/*ignored*/}
const closeArgs = [pDb];
for(const name of [
'sqlite3_busy_handler',
'sqlite3_commit_hook',
'sqlite3_preupdate_hook',
'sqlite3_progress_handler',
'sqlite3_rollback_hook',
'sqlite3_set_authorizer',
'sqlite3_trace_v2',
'sqlite3_update_hook'
]) {
const x = wasm.exports[name];
closeArgs.length = x.length/*==argument count*/
/* recall that undefined entries translate to 0 when passed to
WASM. */;
try{ capi[name](...closeArgs) }
catch(e){
console.warn("close-time call of",name+"(",closeArgs,") threw:",e);
}
}
const m = __dbCleanupMap(pDb, 0);
if(!m) return;
if(m.collation){