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Provide query source text when parsing a SQL-standard function body.

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Without this, we lose error cursor positions, as shown in the
modified regression test result.

Discussion: https://postgr.es/m/2197698.1617984583@sss.pgh.pa.us
This commit is contained in:
Tom Lane
2021-04-15 17:24:12 -04:00
parent 83efce7a1e
commit 409723365b
2 changed files with 10 additions and 2 deletions
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10
src/backend/commands/functioncmds.c
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@ -852,7 +852,9 @@ static void
interpret_AS_clause(Oid languageOid, const char *languageName,
char *funcname, List *as, Node *sql_body_in,
List *parameterTypes, List *inParameterNames,
char **prosrc_str_p, char **probin_str_p, Node **sql_body_out)
char **prosrc_str_p, char **probin_str_p,
Node **sql_body_out,
const char *queryString)
{
if (!sql_body_in && !as)
ereport(ERROR,
@ -929,6 +931,7 @@ interpret_AS_clause(Oid languageOid, const char *languageName,
Query *q;
ParseState *pstate = make_parsestate(NULL);
pstate->p_sourcetext = queryString;
sql_fn_parser_setup(pstate, pinfo);
q = transformStmt(pstate, stmt);
if (q->commandType == CMD_UTILITY)
@ -947,6 +950,7 @@ interpret_AS_clause(Oid languageOid, const char *languageName,
Query *q;
ParseState *pstate = make_parsestate(NULL);
pstate->p_sourcetext = queryString;
sql_fn_parser_setup(pstate, pinfo);
q = transformStmt(pstate, sql_body_in);
if (q->commandType == CMD_UTILITY)
@ -954,6 +958,7 @@ interpret_AS_clause(Oid languageOid, const char *languageName,
errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("%s is not yet supported in unquoted SQL function body",
GetCommandTagName(CreateCommandTag(q->utilityStmt))));
free_parsestate(pstate);
*sql_body_out = (Node *) q;
}
@ -1220,7 +1225,8 @@ CreateFunction(ParseState *pstate, CreateFunctionStmt *stmt)
interpret_AS_clause(languageOid, language, funcname, as_clause, stmt->sql_body,
parameterTypes_list, inParameterNames_list,
&prosrc_str, &probin_str, &prosqlbody);
&prosrc_str, &probin_str, &prosqlbody,
pstate->p_sourcetext);
/*
* Set default values for COST and ROWS depending on other parameters;