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Make the internal dynamic string interface available to extensions using

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the new sqlite3_str object and its associated methods.  This is mostly just
a renaming of internal objects and methods to use external names, through
there are a few small wrapper functions.

FossilOrigin-Name: 87f261f0cb800b06ad786f6df16f2c4dddd0d93dfdcc77b4a4eaa22920b56bf1
This commit is contained in:
drh
2018-05-09 13:46:26 +00:00
parent 721e8539c3
commit 0cdbe1aee0
14 changed files with 337 additions and 179 deletions
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10
src/func.c
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@@ -251,7 +251,7 @@ static void printfFunc(
x.apArg = argv+1;
sqlite3StrAccumInit(&str, db, 0, 0, db->aLimit[SQLITE_LIMIT_LENGTH]);
str.printfFlags = SQLITE_PRINTF_SQLFUNC;
sqlite3XPrintf(&str, zFormat, &x);
sqlite3_str_appendf(&str, zFormat, &x);
n = str.nChar;
sqlite3_result_text(context, sqlite3StrAccumFinish(&str), n,
SQLITE_DYNAMIC);
@@ -1654,20 +1654,20 @@ static void groupConcatStep(
zSep = ",";
nSep = 1;
}
if( zSep ) sqlite3StrAccumAppend(pAccum, zSep, nSep);
if( zSep ) sqlite3_str_append(pAccum, zSep, nSep);
}
zVal = (char*)sqlite3_value_text(argv[0]);
nVal = sqlite3_value_bytes(argv[0]);
if( zVal ) sqlite3StrAccumAppend(pAccum, zVal, nVal);
if( zVal ) sqlite3_str_append(pAccum, zVal, nVal);
}
}
static void groupConcatFinalize(sqlite3_context *context){
StrAccum *pAccum;
pAccum = sqlite3_aggregate_context(context, 0);
if( pAccum ){
if( pAccum->accError==STRACCUM_TOOBIG ){
if( pAccum->accError==SQLITE_TOOBIG ){
sqlite3_result_error_toobig(context);
}else if( pAccum->accError==STRACCUM_NOMEM ){
}else if( pAccum->accError==SQLITE_NOMEM ){
sqlite3_result_error_nomem(context);
}else{
sqlite3_result_text(context, sqlite3StrAccumFinish(pAccum), -1,