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Error message editing in contrib (mostly by Joe Conway --- thanks Joe!)
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@ -30,10 +30,13 @@ insert_username(PG_FUNCTION_ARGS)
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/* sanity checks from autoinc.c */
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if (!CALLED_AS_TRIGGER(fcinfo))
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/* internal error */
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elog(ERROR, "insert_username: not fired by trigger manager");
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if (TRIGGER_FIRED_FOR_STATEMENT(trigdata->tg_event))
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/* internal error */
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elog(ERROR, "insert_username: can't process STATEMENT events");
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if (TRIGGER_FIRED_AFTER(trigdata->tg_event))
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/* internal error */
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elog(ERROR, "insert_username: must be fired before event");
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if (TRIGGER_FIRED_BY_INSERT(trigdata->tg_event))
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@ -41,6 +44,7 @@ insert_username(PG_FUNCTION_ARGS)
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else if (TRIGGER_FIRED_BY_UPDATE(trigdata->tg_event))
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rettuple = trigdata->tg_newtuple;
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else
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/* internal error */
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elog(ERROR, "insert_username: can't process DELETE events");
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rel = trigdata->tg_relation;
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@ -50,6 +54,7 @@ insert_username(PG_FUNCTION_ARGS)
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nargs = trigger->tgnargs;
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if (nargs != 1)
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/* internal error */
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elog(ERROR, "insert_username (%s): one argument was expected", relname);
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args = trigger->tgargs;
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@ -58,10 +63,15 @@ insert_username(PG_FUNCTION_ARGS)
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attnum = SPI_fnumber(tupdesc, args[0]);
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if (attnum < 0)
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elog(ERROR, "insert_username (%s): there is no attribute %s", relname, args[0]);
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ereport(ERROR,
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(errcode(ERRCODE_TRIGGERED_ACTION_EXCEPTION),
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errmsg("\"%s\" has no attribute \"%s\"", relname, args[0])));
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if (SPI_gettypeid(tupdesc, attnum) != TEXTOID)
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elog(ERROR, "insert_username (%s): attribute %s must be of TEXT type",
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relname, args[0]);
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ereport(ERROR,
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(errcode(ERRCODE_TRIGGERED_ACTION_EXCEPTION),
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errmsg("attribute \"%s\" of \"%s\" must be type TEXT",
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args[0], relname)));
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/* create fields containing name */
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newval = DirectFunctionCall1(textin,
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@ -70,7 +80,8 @@ insert_username(PG_FUNCTION_ARGS)
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/* construct new tuple */
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rettuple = SPI_modifytuple(rel, rettuple, 1, &attnum, &newval, NULL);
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if (rettuple == NULL)
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elog(ERROR, "insert_username (%s): %d returned by SPI_modifytuple",
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/* internal error */
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elog(ERROR, "insert_username (\"%s\"): %d returned by SPI_modifytuple",
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relname, SPI_result);
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pfree(relname);
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