Make some small improvements in the accuracy of plpgsql's error location

reports; inspired by the misleading CONTEXT lines shown in recent bug report
from Stefan Kaltenbrunner.  Also, allow statement-type names shown in these
messages to be translated.
This commit is contained in:
Tom Lane 2007-01-28 17:58:13 +00:00
parent 17c8493c64
commit 5681cde7b1
2 changed files with 80 additions and 37 deletions

View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/pl/plpgsql/src/pl_exec.c,v 1.184 2007/01/28 16:15:49 tgl Exp $
* $PostgreSQL: pgsql/src/pl/plpgsql/src/pl_exec.c,v 1.185 2007/01/28 17:58:13 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -267,6 +267,8 @@ plpgsql_exec_function(PLpgSQL_function *func, FunctionCallInfo fcinfo)
}
}
estate.err_text = gettext_noop("during function entry");
/*
* Set the magic variable FOUND to false
*/
@ -414,6 +416,8 @@ plpgsql_exec_function(PLpgSQL_function *func, FunctionCallInfo fcinfo)
}
}
estate.err_text = gettext_noop("during function exit");
/*
* Let the instrumentation plugin peek at this function
*/
@ -608,6 +612,8 @@ plpgsql_exec_trigger(PLpgSQL_function *func,
CStringGetDatum(trigdata->tg_trigger->tgargs[i]));
}
estate.err_text = gettext_noop("during function entry");
/*
* Set the magic variable FOUND to false
*/
@ -644,6 +650,9 @@ plpgsql_exec_trigger(PLpgSQL_function *func,
errmsg("control reached end of trigger procedure without RETURN")));
}
estate.err_stmt = NULL;
estate.err_text = gettext_noop("during function exit");
if (estate.retisset)
ereport(ERROR,
(errcode(ERRCODE_DATATYPE_MISMATCH),
@ -711,30 +720,48 @@ plpgsql_exec_error_callback(void *arg)
if (estate->err_text == raise_skip_msg)
return;
if (estate->err_stmt != NULL)
{
/* translator: last %s is a plpgsql statement type name */
errcontext("PL/pgSQL function \"%s\" line %d at %s",
estate->err_func->fn_name,
estate->err_stmt->lineno,
plpgsql_stmt_typename(estate->err_stmt));
}
else if (estate->err_text != NULL)
if (estate->err_text != NULL)
{
/*
* We don't expend the cycles to run gettext() on err_text unless we
* actually need it. Therefore, places that set up err_text should
* use gettext_noop() to ensure the strings get recorded in the
* message dictionary.
*
* If both err_text and err_stmt are set, use the err_text as
* description, but report the err_stmt's line number. When
* err_stmt is not set, we're in function entry/exit, or some such
* place not attached to a specific line number.
*/
/*
* translator: last %s is a phrase such as "while storing call
* arguments into local variables"
*/
errcontext("PL/pgSQL function \"%s\" %s",
if (estate->err_stmt != NULL)
{
/*
* translator: last %s is a phrase such as "during statement
* block local variable initialization"
*/
errcontext("PL/pgSQL function \"%s\" line %d %s",
estate->err_func->fn_name,
estate->err_stmt->lineno,
gettext(estate->err_text));
}
else
{
/*
* translator: last %s is a phrase such as "while storing call
* arguments into local variables"
*/
errcontext("PL/pgSQL function \"%s\" %s",
estate->err_func->fn_name,
gettext(estate->err_text));
}
}
else if (estate->err_stmt != NULL)
{
/* translator: last %s is a plpgsql statement type name */
errcontext("PL/pgSQL function \"%s\" line %d at %s",
estate->err_func->fn_name,
gettext(estate->err_text));
estate->err_stmt->lineno,
plpgsql_stmt_typename(estate->err_stmt));
}
else
errcontext("PL/pgSQL function \"%s\"",
@ -846,6 +873,8 @@ exec_stmt_block(PLpgSQL_execstate *estate, PLpgSQL_stmt_block *block)
/*
* First initialize all variables declared in this block
*/
estate->err_text = gettext_noop("during statement block local variable initialization");
for (i = 0; i < block->n_initvars; i++)
{
n = block->initvarnos[i];
@ -915,6 +944,8 @@ exec_stmt_block(PLpgSQL_execstate *estate, PLpgSQL_stmt_block *block)
EState *old_eval_estate = estate->eval_estate;
long int old_eval_estate_simple_id = estate->eval_estate_simple_id;
estate->err_text = gettext_noop("during statement block entry");
BeginInternalSubTransaction(NULL);
/* Want to run statements inside function's memory context */
MemoryContextSwitchTo(oldcontext);
@ -929,9 +960,13 @@ exec_stmt_block(PLpgSQL_execstate *estate, PLpgSQL_stmt_block *block)
*/
plpgsql_create_econtext(estate);
estate->err_text = NULL;
/* Run the block's statements */
rc = exec_stmts(estate, block->body);
estate->err_text = gettext_noop("during statement block exit");
/* Commit the inner transaction, return to outer xact context */
ReleaseCurrentSubTransaction();
MemoryContextSwitchTo(oldcontext);
@ -953,6 +988,8 @@ exec_stmt_block(PLpgSQL_execstate *estate, PLpgSQL_stmt_block *block)
ErrorData *edata;
ListCell *e;
estate->err_text = gettext_noop("during exception cleanup");
/* Save error info */
MemoryContextSwitchTo(oldcontext);
edata = CopyErrorData();
@ -1004,6 +1041,8 @@ exec_stmt_block(PLpgSQL_execstate *estate, PLpgSQL_stmt_block *block)
errm_var->freeval = true;
errm_var->isnull = false;
estate->err_text = NULL;
rc = exec_stmts(estate, exception->action);
free_var(state_var);
@ -1025,9 +1064,13 @@ exec_stmt_block(PLpgSQL_execstate *estate, PLpgSQL_stmt_block *block)
/*
* Just execute the statements in the block's body
*/
estate->err_text = NULL;
rc = exec_stmts(estate, block->body);
}
estate->err_text = NULL;
/*
* Handle the return code.
*/

View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/pl/plpgsql/src/pl_funcs.c,v 1.56 2007/01/05 22:20:02 momjian Exp $
* $PostgreSQL: pgsql/src/pl/plpgsql/src/pl_funcs.c,v 1.57 2007/01/28 17:58:13 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -426,43 +426,43 @@ plpgsql_stmt_typename(PLpgSQL_stmt *stmt)
switch (stmt->cmd_type)
{
case PLPGSQL_STMT_BLOCK:
return "block variables initialization";
return _("statement block");
case PLPGSQL_STMT_ASSIGN:
return "assignment";
return _("assignment");
case PLPGSQL_STMT_IF:
return "if";
return _("if");
case PLPGSQL_STMT_LOOP:
return "loop";
return _("loop");
case PLPGSQL_STMT_WHILE:
return "while";
return _("while");
case PLPGSQL_STMT_FORI:
return "for with integer loopvar";
return _("for with integer loop variable");
case PLPGSQL_STMT_FORS:
return "for over select rows";
return _("for over select rows");
case PLPGSQL_STMT_EXIT:
return "exit";
return _("exit");
case PLPGSQL_STMT_RETURN:
return "return";
return _("return");
case PLPGSQL_STMT_RETURN_NEXT:
return "return next";
return _("return next");
case PLPGSQL_STMT_RAISE:
return "raise";
return _("raise");
case PLPGSQL_STMT_EXECSQL:
return "SQL statement";
return _("SQL statement");
case PLPGSQL_STMT_DYNEXECUTE:
return "execute statement";
return _("execute statement");
case PLPGSQL_STMT_DYNFORS:
return "for over execute statement";
return _("for over execute statement");
case PLPGSQL_STMT_GETDIAG:
return "get diagnostics";
return _("get diagnostics");
case PLPGSQL_STMT_OPEN:
return "open";
return _("open");
case PLPGSQL_STMT_FETCH:
return "fetch";
return _("fetch");
case PLPGSQL_STMT_CLOSE:
return "close";
return _("close");
case PLPGSQL_STMT_PERFORM:
return "perform";
return _("perform");
}
return "unknown";